Business Instant Messaging
IceWarp
Provenance unknown Report an error0–5 in half steps. 5 means the rubric's top anchor is met on the evidence.
by IceWarp Software Ltd. · icewarp.com
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IceWarp at a glance
- Vendor
- IceWarp Software Ltd.
- Headquarters
- Not stated on the vendor’s pages as of 3 Nov 2026
- Data hosting
- Not stated on the vendor’s pages as of 3 Nov 2026
- Free plan
- Not stated on the vendor’s pages as of 3 Nov 2026
- Panel verdict
- The AI panel rates IceWarp 2/5, the mean of 6 judges. IceWarp sells an all-in-one suite — business email server, TeamChat, real-time document collaboration, video calls, ChatGPT integration — offered cloud or self-hosted, and the bench scores it highest where deployment control matters: deployment control runs 6 to 7, resting on a documented on-premises installation with MySQL/MariaDB or MS SQL support, backup, monitoring and a watchdog, and the vendor's written statement that in on-premises deployments it has no access to personal data at all. how scores are made
- As of
- Vendor pages captured 3 Nov 2026; evaluated by the panel 3 Nov 2026. all sources
Read this page as one judge. Each weighs the same scores by what they care about.
The panel's verdict
IceWarp sells an all-in-one suite — business email server, TeamChat, real-time document collaboration, video calls, ChatGPT integration — offered cloud or self-hosted, and the bench scores it highest where deployment control matters: deployment control runs 6 to 7, resting on a documented on-premises installation with MySQL/MariaDB or MS SQL support, backup, monitoring and a watchdog, and the vendor's written statement that in on-premises deployments it has no access to personal data at all. Weakest is the chat itself: messaging core sits at 2, because no captured page documents a channel model, threaded replies, mentions or search over message history. The genuine split is sovereignty, spanning 4 to 7: higher scores credit the published subprocessor list, with named US processors and stated transfer mechanisms, plus the self-hosted route; lower ones note that no captured page states where cloud message content is hosted and that "Made in the EU" is an origin slogan, not a residency statement. Encryption and access runs 3 to 4, governance and discovery 2 to 3, integrations 4 to 5; pricing transparency scores 0 to 1.
Speaks for it
- Self-hosting is documented as a first-class option, with MySQL/MariaDB or MS SQL databases, automatic backup of settings, databases and mails, and server monitoring with a watchdog.
- The privacy policy states that for on-premises products the vendor has no access to personal data at all.
- A subprocessor list is published with names, locations and purposes — including US processors Amazon Web Services, Salesforce and ZenDesk — with adequacy decisions, SCCs and BCRs named as transfer mechanisms.
- Documented API modules cover Maintenance, Chat & Conferences, Mail and Cloud, alongside CalDAV, CardDAV and WebDAV support and a ChatGPT integration.
- TeamChat is a real module across web, desktop and mobile, with chat content stored in the groupware database.
Held against it
- The captured pages never describe a channel model, threaded replies, mentions or search over message history, so whether an eighteen-month-old decision can be found again is unknown.
- The privacy policy promises encryption "whenever it's technically feasible"; we found no public information on encryption at rest for chat content, key handling or end-to-end encryption.
- The privacy policy fixes the vendor's own retention — up to sixteen years after contract termination for legal claims, ten for piracy protection — and we found no public information on customer-configurable retention, discovery export or an administrative audit trail.
- Inbound migration is documented via an IMAP/POP3 tool and downloadable migration tools; we found no public information on an export of chat history, files and channel structure out of the platform.
- Even on-premises, conference recordings are stored on the vendor's cloud and the Preview micro-service offloads processing there, and we found no public information on where cloud message content and metadata are hosted.
Best for
- You want one self-hosted suite for email, TeamChat, files and conferencing, running on your own hardware against your own MySQL/MariaDB or MS SQL database.
- You need written custody language for on-premises use — the vendor states it has no access to personal data at all there.
- Your integration needs run on documented APIs and open protocols — CalDAV, CardDAV, WebDAV, Active Directory/LDAP — rather than webhooks and bots.
Avoid if
- You need to prove that decisions from months back can be found again — ask the vendor: the public pages we read do not show it
- You must have documented encryption at rest or end-to-end encryption for chat content before signing.
- You need discovery export, legal hold or customer-configurable message retention for compliance work.
- You need a documented exit path that exports chat history and files out of the platform.
The scores
| Criterion | Panel median |
|---|---|
| Channels, threads & search | 1 of 5 |
| Encryption & access control | 2 of 5 |
| Retention, discovery & co-determination | 1.5 of 5 |
| Deployment & data custody | 3.5 of 5 |
| Integrations & extensibility | 2 of 5 |
| European sovereignty | 3 of 5 |
Channels, threads & search
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How this is scored
The daily surface: channel model, threading, mentions, files, and whether search can find a decision made eighteen months ago.
0 — Not a team chat: no persistent channels or group conversations, only notifications or one-off messages.
3 — Group chats or channels and direct messages, file sharing, and search over messages.
5 — Public and private channels, threaded replies, mentions and reactions, file sharing with previews, and search across message history.
8 — Cross-organisation or guest channels with clear boundaries, message editing history, pinned and saved items, search with filters by channel, person and date, and unlimited history or a documented history limit per plan.
10 — The archive is a working knowledge base: search that ranks well across years, threads that stay readable, channel lifecycle management (archive, rename, merge) without losing history, and export of a conversation in a form a human can read.
The Team Lead
TeamChat is confirmed as a real chat platform across web, desktop and mobile, with photo and location sharing, calls, chatting with several colleagues at once, and chat content persisted in the groupware database. But we found no public information on a channel model, threaded replies, mentions, or — the thing I care about most — search over message history, so the surface my team opens every day is only partially documented. 1 4 5
The Security Officer
TeamChat is documented as a persistent part of the suite, with chat content stored in the GroupWare database and synchronised across web, desktop and mobile, group chat in landscape mode, photo and location sharing, and per-conversation locking on iPhone. We found no public information on public and private channels, threaded replies, mentions, or search across message history, so I cannot tell a buyer whether a decision made eighteen months ago can be found again. 1 2 4 5
The Works Council Advocate
There is a real team chat here: TeamChat ships across web, desktop and mobile with file sharing, push notifications and per-conversation locking on the phone. But we found no public information on channels, threading, mentions or search over message history — and whether the log of who spoke to whom can still be found eighteen months on is exactly what the captured pages do not establish. 1 2 4 5
The Compliance Counsel
A team chat is documented — TeamChat across web, desktop and mobile, group conversations on a split-screen mobile view, photo and file sharing, push notifications and locking individual conversations with Touch ID. But the captured pages say nothing about a channel model, threaded replies, or search over message history, and without search I cannot promise anyone that a decision from eighteen months ago can be found again. 1 2 4 5
The Platform Engineer
TeamChat is a genuine module across web, desktop and mobile, with file sharing and per-conversation locking via Touch ID or PIN, but the captured pages never show a channel model, threaded replies or search over message history — the chat app page documents landscape mode and push notifications instead. Until something shows me search finding an eighteen-month-old decision, this is a real chat surface with an unproven archive. 1 2 5
The Skeptic
TeamChat is a real module with web, desktop and mobile clients and history stored in the groupware database, so conversations persist. But the pages I read never describe a channel model, threads, mentions or search over messages, and I found no statement of a history limit — so whether an eighteen-month-old decision can be found again is unknown. 1 2 4 5
Encryption & access control
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How this is scored
What is encrypted and against whom, plus who can reach which room. Judged on documented mechanism, since "encrypted" in this category usually means the vendor holds the keys.
0 — The vendor states that messages are transmitted or stored unencrypted.
3 — Encryption in transit stated, with admin and member roles.
5 — Encryption in transit and at rest stated, admin roles and private channels, guest accounts limited to the channels they are invited to, and SSO or two-factor authentication.
8 — Optional end-to-end encryption for direct messages or private rooms with the trade-offs named, or customer-managed encryption keys; device or session management an admin can revoke, granular permissions per channel, and documented key handling.
10 — End-to-end encryption as a first-class mode — documented or open cryptography, cross-device key management that ordinary users survive, identity verification, and the vendor stating plainly what it cannot decrypt.
The Team Lead
The on-premises specification documents SSL/TLS, Kerberos single sign-on, two-factor authentication and access list management, and the iOS app can be locked per conversation with Touch ID. We found no public information on encryption at rest for stored messages or on guest and private-channel scoping, and the privacy policy only promises encryption "whenever it's technically feasible", which is not a mechanism I can weigh. 2 4 5
The Security Officer
SSL/TLS, Kerberos single sign-on and two-factor authentication are documented, and the privacy policy says encryption is used whenever technically feasible and always for collecting or transferring sensitive data such as card numbers — a statement scoped to transfer, not to what the provider can read. We found no public information on end-to-end encryption, revocable sessions or device management, or a plain statement of what the vendor cannot decrypt in the cloud; the only cannot-read statement covers on-premises deployments, where the vendor says it has no access to personal data at all. 2 4 5
The Works Council Advocate
The server specification states SSL/TLS, Kerberos single sign-on and two-factor authentication, and the privacy policy says encryption is used whenever it is technically feasible for sensitive data — wording that stops short of saying chat content is encrypted at rest. We found no public information on end-to-end encryption, key handling, or admin-revocable device sessions. 2 4 5
The Compliance Counsel
The technical documentation states SSL/TLS, single sign-on and two-factor authentication, and the privacy policy says encryption is used "whenever it's technically feasible", always when collecting or transferring sensitive data such as credit card information — a statement aimed at payment data more than messages. Nothing on the captured pages documents encryption at rest for chat content, admin and member roles, guest access limits, or how keys are handled. 2 4
The Platform Engineer
The technical specification states SSL/TLS support together with Kerberos single sign-on and two-factor authentication, while the privacy policy hedges that encryption is used "whenever it's technically feasible" — a caveat, not a mechanism. We found no public information on at-rest encryption of the message store, private channel granularity, guest scoping or key handling. 2 4
The Skeptic
The technical specification states SSL/TLS, Kerberos single sign-on and two-factor authentication, which is transport encryption plus admin-side identity. The privacy policy's encryption sentence — "whenever it's technically feasible" — is tied to the vendor's own collection of sensitive data, not to chat storage, and I found no statement of encryption at rest, no guest-access model and no end-to-end encryption claim on the pages I read. 2 4 5
Retention, discovery & co-determination
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How this is scored
The archive as a legal object: retention policies, export for discovery, audit, and the monitoring features a works council will ask to have switched off under BetrVG §87(1) no. 6.
0 — A messenger with no organisation-level administration: each user controls their own history, and the organisation has no central export or retention.
3 — Admin export of workspace data or a history setting, with users controlling their own status.
5 — Configurable retention for messages and files, admin export of workspace data in a documented format, and an audit log or activity log of administrative actions.
8 — Per-channel retention executed per policy, legal-hold and eDiscovery export including edits and deletions, a full admin audit trail, and presence, read receipts or activity analytics switchable off organisation-wide.
10 — Built to pass a works agreement and a subpoena on the same day: granular retention with documented deletion, discovery export a lawyer can use, complete audit, and individual productivity scoring stated as not part of the product.
The Team Lead
The on-premises product documents automatic message archiving and automatic backup of settings, databases and mail, which gives an administrator a history and export story, and the privacy policy states concrete retention periods — though those are the vendor's own processing terms, not a configurable organisation policy. Mobile telemetry with an opt-out and a link shortener that logs each recipient's IP address are the items a works council would probe; we found no public information on an audit log or legal-hold export. 2 4
The Security Officer
Automatic message archiving and automatic backup of settings, databases and mails are documented at the organisation level, and the vendor states it does no profiling or automated decision-making. We found no public information on configurable retention for chat messages, discovery export in a documented format, or an admin audit trail; the short-link service does record access times, IP addresses and recipient geography, which a works council will ask about. 2 4
The Works Council Advocate
Retention is fixed in years the customer cannot configure — up to sixteen years after contract end for legal claims, ten for piracy protection — alongside automatic message archiving and backup: this is retention that keeps, not retention that deletes. The short-link service records each access with time, IP address and the recipient's geographic location, the mobile apps collect device metadata including IMEI, and the only documented switch is an installation-time telemetry opt-out; we found no public information on an administrative audit trail, discovery export, or organisation-wide controls for presence or analytics. In our favour, the vendor states it does no profiling and no automated decision-making. 2 4
The Compliance Counsel
What is documented is server-side: automatic message archiving and automatic backup of settings, databases and mails on the self-hosted server, with TeamChat content stored in the groupware database, plus the vendor's own privacy retention schedules — none of this is customer-configurable retention per channel. The captured pages show no legal hold, no discovery export a lawyer could work from, and no audit log of administrative actions; and a link shortener that records each recipient's IP address and geographical location is precisely the kind of feature a works council will ask to have switched off. 2 4
The Platform Engineer
The on-premises specification lists automatic message archiving and automatic backup of settings, databases and mails, which is an admin-level history capability, and the privacy policy states the vendor's own retention periods, including sixteen years after contract termination for legal claims. We found no public information on configurable retention for chat, discovery export, an administrative audit trail, or organisation-wide switches for presence and read receipts — the questions a works council asks first. 2 4
The Skeptic
The retention periods on the privacy policy — three years for contract data, sixteen for legal claims — describe the vendor's own handling of personal data, not a retention setting a customer configures for messages. The on-premises specification lists automatic message archiving and backups of settings, databases and mails, but I found no admin audit trail, no discovery export and no organisation-wide telemetry switch beyond an install-time opt-out for anonymous WebClient statistics. 2 4
Deployment & data custody
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How this is scored
Whether the customer can hold their own archive: self-hosting, private cloud, open source, federation, and what an exit actually looks like.
0 — The terms state that the customer's messages cannot be exported or are not returned when the account ends.
3 — Cloud service with an admin export of messages and files.
5 — Cloud service with a documented full export of messages, files and channel structure, or a choice of hosting region, a dedicated instance or a private-cloud option.
8 — A self-hosted edition close to feature parity, or an open-source core with a documented upgrade path, plus complete export including files and metadata.
10 — Custody is the customer's: open-source or source-available server, self-hosting supported as a first-class deployment, open protocol or federation, and a migration path in and out that the vendor documents rather than resists.
The Team Lead
Self-hosting is first-class: cloud or self-hosted is the homepage pitch, the suite runs on my own hardware against my own MySQL or MS SQL database, and the vendor states plainly that for on-premises deployments it has no access to personal data at all. Migration tools and IMAP/POP3 importers are documented coming in; what holds this back is that a documented full export of chat history and files out of the platform is not shown, and conference recordings and previews are stated to run in the vendor's cloud. 1 2 4
The Security Officer
Self-hosting is a documented, first-class path: cloud or on-premises are both offered, the on-premises specification covers supported databases, backup, monitoring and migration tools, and the vendor states it has no access to personal data at all in on-premises use. We found no public information on an open-source server or federation, and the captured pages document inbound migration and backup rather than a stated export path out in a form a human can read. 1 2 4 5
The Works Council Advocate
Cloud or self-hosted is offered as a first choice, with an on-premises technical specification covering databases, archiving, anti-spam and APIs, and the privacy policy states plainly that for on-premises products the vendor has no access to your personal data at all — the custody language a works council wants in writing. It falls short of the top because the documented exit is an IMAP/POP3 mail migration tool plus an unanswered FAQ question, and even on-premises some micro-services stay pointed at the vendor's cloud, notably Recordings and Preview. 1 2 4
The Compliance Counsel
Cloud and self-hosted deployment are both offered, the technical specification reads as a full on-premises administrator document (database choices, backup, monitoring, control panels), and the vendor states plainly that for on-premises products it has no access to personal data at all. What I cannot find is the way out: migration tools are documented for bringing mail in, but no export of chat, files and channel metadata for leaving is described. 1 2 4
The Platform Engineer
Self-hosting is a first-class deployment, not a hobby build: a downloadable installer, database options in MySQL/MariaDB and MS SQL, migration tools, monitoring and watchdog in the technical specification, and a plain statement that in on-premises deployments the vendor has no access to personal data at all. We found no public information on an open-source codebase, chat federation, or export of chat history and channel structure as such — backup covers settings, databases and mails — and some micro-services lean back on the vendor's cloud, with Preview offloading processing and Recordings stored there. 1 2 4
The Skeptic
Self-hosting is a first-class pitch — "Choose between cloud or self-hosted solutions" — and the vendor states plainly that on-premises "we have no access to your personal data at all", which is the kind of sentence I look for. The exit side is thin: migration tools are documented inbound and the FAQ asks "Can I migrate my data to IceWarp from another service?", I found no documented export-out path or open-source core, and conference recordings are stored on the vendor's cloud even though the other micro-services are runtime-only for on-premise customers. 1 2 4
Integrations & extensibility
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How this is scored
Bots, webhooks, app framework, identity — whether the chat becomes the place work is noticed, and whether that is buildable without a partner agreement.
0 — A closed messenger: no integrations, webhooks, bots or API.
3 — Incoming webhooks or a handful of named integrations.
5 — An app directory or a list of native integrations with common tools, a documented API, incoming webhooks and bots or slash commands.
8 — A proper app framework with interactive components, event subscriptions with retries, SSO and SCIM provisioning, documented rate limits and a sandbox.
10 — A platform: versioned API with a deprecation policy, an app directory or plugin system with permissions a customer can audit, and integrations the vendor maintains rather than lists.
The Team Lead
There is a real API surface — maintenance, chat and conferences, mail and cloud modules, with the cloud API reaching calendars, files, notes, contacts, tasks and email across servers — plus named native integrations such as ChatGPT, Outlook Sync, Active Directory and hosting control panels. We found no public information on webhooks, bots or slash commands, an app directory, or SCIM provisioning, so it stops short of a platform my team could build on without a partner agreement. 1 4 6
The Security Officer
Documented API modules cover maintenance, chat and conferences, mail, and a centralised cloud API spanning calendars, files, notes, contacts, tasks and email, alongside CalDAV, CardDAV and WebDAV standards, single sign-on and a ChatGPT integration. We found no public information on webhooks, bots, slash commands or an app directory, so the buildability story rests on the APIs alone. 1 4 6
The Works Council Advocate
A documented, multi-module API — Maintenance, Chat & Conferences, Mail, and a centralised cloud API over calendars, files, notes, contacts, tasks and email — plus CalDAV, CardDAV and WebDAV standards support and a ChatGPT integration. We found no public information on webhooks, bots, slash commands, an app directory or SCIM provisioning on the captured pages. 1 4 6
The Compliance Counsel
Four documented API modules including a Chat & Conferences API and a centralised cloud API covering calendars, files, notes, contacts, tasks and emails, alongside a ChatGPT integration, Outlook synchronisation and hosting control-panel support. No webhooks, bots or slash commands appear on the captured pages, and no rate limits, sandbox or deprecation policy governs the APIs. 1 4 6
The Platform Engineer
There is a documented multi-module API surface — Maintenance, Chat & Conferences, Mail and Cloud APIs, the last described as unified access to calendars, files, notes, contacts, tasks and email across all servers — plus open protocols (CalDAV, CardDAV, WebDAV, Active Directory/LDAP) and a ChatGPT integration. We found no public information on webhooks, bots or slash commands, an app directory, documented rate limits or a sandbox, so this is a documented API rather than a platform with a permission model I could audit. 1 4 6
The Skeptic
There is a documented API split into maintenance, chat and conferences, mail and cloud modules, a dedicated TeamChat API page, a named ChatGPT integration, and open standards like CalDAV, CardDAV and WebDAV. But I found no webhooks, bots or slash commands, no app directory and no SCIM provisioning, and the partner certification programme suggests the build-out path runs through partners. 1 4 6 7
European sovereignty
panel opinion
panel disagrees
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How this is scored
Where the archive and its metadata live, who the contracting entity is, which subprocessors touch it. Independently sourced by the sovereignty pipeline; scored here as this buyer weighs it. Dimensions the evidence does not establish are unknown, not non-EU.
0 — Proven non-EU on every dimension the evidence covers: non-EU vendor and contracting entity and non-EU hosting, with no EU option stated.
3 — One European element proven — EU data residency for message content, an EU contracting entity or EU representative, or a published DPA — with the rest of the chain unstated.
5 — EU hosting stated as standard or selectable and an EU contracting entity or EU representative, with a DPA offered; the subprocessor chain (notifications, AI features, analytics) is unstated or partly non-EU.
8 — EU hosting on named infrastructure covering content and metadata, EU contracting entity, subprocessor list published with locations, any non-EU processing named with its legal basis.
10 — Sovereign end to end and evidenced: vendor, entity, hosting and every subprocessor European, certification published, and a self-hosted option that removes the question.
The Team Lead
The homepage claims "Made in the EU", the contracting controller is IceWarp Limited of Limassol, Cyprus, the main establishment answers to the Prague supervisory authority, a data processing agreement with the vendor as processor is stated, and a subprocessor list is published with countries and purposes — including named US processors for conference-recordings storage, CRM, support and newsletters, with adequacy decisions, SCCs and BCRs cited. What no page I read establishes is where message content and metadata are actually hosted for cloud customers, which is the question I ask first. 1 2
The Security Officer
The controller is IceWarp Limited of Limassol, Cyprus, the main establishment sits in the Czech Republic under the Prague supervisory authority, a data processing agreement with the vendor as processor is offered, and a subprocessor list is published with countries and transfer safeguards named. That list names American processors — Amazon Web Services Inc. as storage for conference recordings, plus Salesforce, ZenDesk and Rocket Science Group — and we found no public information on where message content and metadata are hosted, so the location of the archive itself is not stated. 1 2 3
The Works Council Advocate
The controller is IceWarp Limited of Limassol, Cyprus, with its main establishment in the Czech Republic under the Prague data protection authority, a data processing agreement is offered with the vendor acting as processor, and a full subprocessor list is published with locations — including named US processors such as Amazon Web Services for recordings storage, Salesforce and ZenDesk. Where the messages and their metadata actually sit is not established on the captured pages: a datacenters page for cloud users exists but its locations were not captured, so the hosting question stays open. 1 2 3
The Compliance Counsel
The contracting entity is IceWarp Limited of Limassol, Cyprus, the supervisory authority is named as the Office for Personal Data Protection in Prague, a data processing agreement is described with the vendor acting as processor, and the subprocessor list is published with names and locations — including US processors for recordings storage, CRM and support, with adequacy decisions, SCCs and BCRs named as transfer mechanisms. Where cloud message content is actually hosted is not established on the captured pages, and a "Made in the EU" slogan is not a datacentre location. 1 2
The Platform Engineer
The contracting controller is an EU entity (IceWarp Limited, Limassol, Cyprus) with its main establishment under the Czech supervisory authority, the subprocessor list is published with locations and the US-based ones (Amazon Web Services, Salesforce, ZenDesk, The Rocket Science Group) are named with their purposes and SCC/BCR transfer mechanisms, and the self-hosted route removes the vendor from the data path entirely. What holds it back from the top marks: no captured page states where cloud message content and metadata are hosted — the datacenters page exists but its contents are not in evidence. 1 2
The Skeptic
The contracting entity is IceWarp Limited of Limassol, Cyprus, with a Czech main establishment before the Prague supervisory authority and a concluded data-processing agreement, and the subprocessor list is published with locations — including named US processors such as Amazon Web Services for conference recordings, Salesforce and ZenDesk, with adequacy decisions, BCRs and SCCs stated as transfer mechanisms. What I could not establish is where the message archive itself is hosted: a "Datacenters for cloud users" page exists but the captures do not show its locations, and "Made in the EU" is a product-origin slogan rather than a residency statement. 1 2 3
Pricing transparency
not rated — the vendor publishes no price
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How this is scored
Whether a buyer can compute the annual invoice for their headcount — including the retention, compliance and guest features they actually need — from public pages alone.
0 — No public prices at all; every tier is a sales conversation.
3 — A public "from" price or one priced tier per user.
5 — Per-user prices public for the main tiers with the billing period stated and the main features per tier listed.
8 — Every tier priced publicly with per-user maths, history and storage limits, feature boundaries (retention, SSO, eDiscovery), minimum term and VAT treatment stated; self-hosted licensing priced too where offered.
10 — Complete price computability: annual invoice derivable for a given headcount and deployment choice, including guest users, storage and any per-instance licence.
The Team Lead not rated — no public information
We found no public information on prices, plan tiers or billing terms on any of the pages I read, including the homepage and the product pages. A free-trial FAQ and a sales phone line are shown, but no figures that would let me compute an annual invoice for a given headcount. 1 5 6
The Security Officer
We found no public prices on any captured page: the commercial contact is a sales email and phone number, an FAQ asks whether a free trial is available without stating terms, and SLA plans are listed without figures. A buyer cannot compute an annual invoice for their headcount from these pages. 1 5
The Works Council Advocate
We found no public price information on any page captured — no per-user figures, no tier boundaries, no billing period — while every page routes to a sales email and phone number, and the free-trial question survives only as an unanswered FAQ line. Computing an annual invoice for a given headcount from public pages is not possible on this evidence. 1 5
The Compliance Counsel
No price figures, tiers, billing periods or VAT treatment appear on any page captured; purchase contact is steered to a sales telephone line and email, a free trial exists only as an unanswered FAQ question, and SLA plans are mentioned without prices. An annual invoice for a given headcount cannot be computed from this evidence. 1 3
The Platform Engineer not rated — no public information
We found no public information on pricing: no per-user figures, tier structure, history or storage limits, trial terms or VAT treatment appear on the homepage, the technical specification pages or the product pages we read, and buyers are routed to a sales phone line and email. The free trial is referenced only as an unanswered question. 1 4 6
The Skeptic not rated — no public information
I found no public price information on the pages I read: no per-user price, tier, billing period, storage limit or self-hosted licence figure appears on any captured page, and the commercial facts are a sales email and phone number plus a free-trial FAQ question. 1 5 6
European sovereignty — proven facts
0 of 6 dimensions provenBuilt only from facts shown on the vendor's own pages. A dimension we could not prove is left open, not scored as zero.
| Legal entity | Not determined ⚠ unverified | — | uncited Report an error |
|---|---|---|---|
| Hosting location | Not determined | — | uncited Report an error |
| Hosting options | Not determined ⚠ unverified | — | uncited Report an error |
| Open source | Not determined | — | uncited Report an error |
| Data processing agreement | Not determined | — | uncited Report an error |
| Transfer impact assessment | Not determined | — | uncited Report an error |
Questions about IceWarp
Is IceWarp European?
Not determined: the vendor’s pages as captured do not say where IceWarp is based.
Where does IceWarp store data?
Not stated on the vendor’s pages as of 3 Nov 2026.
Does IceWarp have a free plan?
Not stated on the vendor’s pages as of 3 Nov 2026.
What are the best alternatives to IceWarp?
As of 3 Nov 2026, the panel rates Element (3.5/5), Stackfield (3.5/5) and Wire (Messaging) (3.5/5) highest among the other 24 Business Instant Messaging products evaluated. Ratings that look equal are rounded to half stars; the order uses the unrounded rating, then the name. The highest-rated European alternative is Element (UK / wider Europe). Ratings are the AI panel’s opinion, formed from public evidence: how scores are made. The full list, with European products first: IceWarp alternatives.
Where this could be wrong
- Evidence ages. The oldest capture behind this page is from 3 Nov 2026. Vendors change pricing and policies without notice; every fact reflects its source as of the capture date shown in the registry.
- Weak sourcing — Legal entity, Hosting options. Not confirmed on the vendor’s own pages as captured.
- AI can misread a source. Extraction and judgement are automated; a citation guarantees traceability, not infallibility. If something here is wrong, say so — no account needed, every report is decided within 5 business days, and accepted corrections are published.
What we left out
A claim that does not survive our checks costs us the claim, not the page. This is what was taken off this one.
- We found no public information on pricing on the pages we read (icewarp.com, icewarp.com/privacy, icewarp.com/others/gdpr, icewarp.com/product/technical-specification, icewarp.com/apps/ice-chat, icewarp.com/product/api and 1 more). If the vendor publishes it somewhere else, send us the page. Know more? Tell us
- 6 product facts could not be confirmed on the vendor’s page as captured and were left out of this page and of the panel’s material. Know more? Tell us
- 2 subprocessors facts could not be confirmed on the vendor’s page as captured and were left out of this page and of the panel’s material. Know more? Tell us
- 1 hosting fact could not be confirmed on the vendor’s page as captured and was left out of this page and of the panel’s material. Know more? Tell us
- 2 sovereignty dimensions could not be confirmed on the vendor’s own pages and are shown as unknown. Know more? Tell us
Sources (7)
The pages every claim on this page was read from — each one checked, dated, and kept verifiable.
- 1 Vendor page icewarp.com Checked 3 Nov 2026 Details →
- 2 Privacy policy — found from the homepage icewarp.com Checked 3 Nov 2026 Details →
- 3 Security / trust page — found from the homepage icewarp.com Checked 3 Nov 2026 Details →
- 4 Self-hosting / on-premises installation docs — found from the homepage icewarp.com Checked 3 Nov 2026 Details →
- 5 Channels, threads & search — found from sitemap icewarp.com Checked 3 Nov 2026 Details →
- 6 Integrations & extensibility — found from sitemap icewarp.com Checked 3 Nov 2026 Details →
- 7 Integrations & extensibility — found from sitemap icewarp.com Checked 3 Nov 2026 Details →