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Billing & Invoicing

Maxio

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Panel rating · 6 judges · How to read the stars

Category median

Sovereignty: 1 of 6 dimensions proven

0–5 in half steps. 5 means the rubric's top anchor is met on the evidence.

by Maxio (formerly SaaSOptics / Chargify) · www.maxio.com

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Maxio at a glance

Vendor
Maxio (formerly SaaSOptics / Chargify)
Headquarters
Incorporated in United States source, captured 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 Maxio 3/5, the mean of 6 judges. Maxio, a US subscription-billing and revenue-management platform formerly SaaSOptics and Chargify, scored strongest on its subscription engine — usage-based billing, four proration scheme types, four trial variants, minimum commitments and self-serve billing portals — and on collections and dunning, with payment across 20+ named gateways plus a built-in option and deeply configurable, sandbox-testable dunning. how scores are made
As of
Vendor pages captured 3 Nov 2026; evaluated by the panel 3 Nov 2026. all sources

Maxio alternatives, European ones first →

Read this page as one judge. Each weighs the same scores by what they care about.

The Service-Business Owner

Weighted verdict

Runs an IT service company with two hundred maintenance contracts, hosting packages and monthly retainers, all billed to German businesses. Wants contract terms and price increases handled by the system, SEPA direct debit with mandates, e-invoices that public-sector customers accept, a DATEV export for the tax adviser, and customer data kept in Europe.

Same scores as the panel view — this lens weights them the way this judge cares.

Scored by The Service-Business Owner

Panel median The Service-Business Owner This judge’s scores over the panel median. Each label opens its reasoning below.
Scores per criterion, in stars out of 5
Criterion Panel median The Service-Business Owner
Plans, pricing models & subscription lifecycle 3.5 of 5 3.5 of 5
Invoices & e-invoicing compliance 2 of 5 2 of 5
Cross-border VAT & tax handling 3 of 5 3 of 5
Payment collection, dunning & portability 3.5 of 5 3 of 5
Revenue reporting & accounting handoff 3 of 5 3 of 5
European sovereignty 2 of 5 2 of 5

Plans, pricing models & subscription lifecycle

How this is scored

How the product models what is sold and to whom: plans, add-ons and price points, trials, upgrades and downgrades with proration, usage-based and seat-based pricing, contract terms and renewals, quotes, and a self-service portal where the customer changes or cancels their own subscription.

0 — No subscription model; recurring charges are set up by hand per customer or per invoice.

3 — A recurring invoice or a fixed plan that repeats on a schedule, but no proration, no trials, no add-ons and no usage component.

5 — Plans with add-ons and trials, upgrades and downgrades with proration, renewals and cancellations handled by the system, and a customer portal for viewing and changing the subscription.

8 — Usage-based, tiered, volume and seat-based pricing with metering through an API, contracts with minimum terms, ramps and notice periods, quotes that convert into subscriptions, multiple currencies and price books, and the subscription history kept per customer.

10 — The commercial model lives in the product: hybrid pricing (commitments, prepaid credits, overage) without custom code, price changes rolled out to existing customers with grandfathering, entitlements exposed to the selling application, and every change to a subscription versioned and attributed.

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The Service-Business Owner

The subscription engine is deep: four trial types including paid trials with setup-fee timing, upgrade and downgrade proration schemes configurable per product with full, prorated or no credit, usage-based and event-triggered billing fed by quantity reporting, minimum commitments and self-serve billing portals. What the captured pages do not show is quotes converting into subscriptions, multiple currencies and price books, or contract ramps, notice periods and price increases with grandfathering — the last of which I need for my two hundred maintenance contracts. 1 4 5

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Invoices & e-invoicing compliance

How this is scored

Whether the invoices the product issues are legally valid where the customer is: mandatory invoice content, sequential numbering, credit notes and cancellations instead of edits, retention and archiving to GoBD, and structured e-invoices (XRechnung, ZUGFeRD/Factur-X, Peppol) for business customers and public bodies.

0 — No invoices; the product charges cards or sends payment requests and the seller writes invoices elsewhere.

3 — PDF invoices from a template, but numbering, mandatory content, corrections and retention are not described.

5 — Invoices with sequential numbering and the mandatory content stated, credit notes and cancellations instead of edits, invoices in several languages and currencies, and a documented archive.

8 — Structured e-invoices to EN 16931 issued as XRechnung or ZUGFeRD/Factur-X and sent through Peppol, GoBD-compliant numbering and unalterable archiving stated, invoice data exportable for a tax audit, and the e-invoicing mandates in named EU countries addressed.

10 — Invoicing that stands up in any audit it may face: e-invoicing to public bodies and businesses in several EU countries with the channels named, clearance and reporting models (France, Italy, Poland) supported where they apply, a Verfahrensdokumentation or equivalent offered, and every invoice traceable to the subscription event that produced it.

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The Service-Business Owner

Corrections are handled the way an auditor expects: credit notes apply to previously issued invoices with discounts and taxes carried over, voiding stops collection and generates a credit note on partial payment, and invoice and credit note numbers share one running sequence. Beyond that I found no public information on mandatory invoice content, retention or GoBD-compliant archiving, and nothing on structured e-invoices — no XRechnung, ZUGFeRD or Peppol appears anywhere in the captured pages, which is what my public-sector customers require. 6 7 9

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Cross-border VAT & tax handling

How this is scored

How the product gets tax right when the seller sells across borders: VAT rates per country and product type, reverse charge for business customers with VAT ID validation (VIES), the EU One-Stop-Shop, US sales tax — or, for a merchant of record, which tax liability it takes on in its contract and which it leaves with the seller.

0 — No tax handling; the seller types the rate on every invoice.

3 — One configurable VAT rate or a manual rate table, with no customer-location logic and no VAT ID check.

5 — Tax rates applied by customer country and status, reverse charge for business customers with a VAT ID field, and tax shown correctly on invoices and in reports.

8 — Automatic VAT per country and product type, VIES validation of VAT IDs, OSS reporting data, evidence of customer location kept, US sales tax through a named engine — or a merchant-of-record contract that states the tax liability it assumes and in which countries.

10 — Tax is discharged and evidenced: filings or filing data for OSS and the countries sold into, rate changes maintained by the vendor with a stated process, tax decisions per invoice explainable, and the division of liability between seller and vendor written into the terms.

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The Service-Business Owner

Tax is calculated by business and customer address through Avalara AvaTax for US, Canada and EU VAT, with configurable taxable regions, tax-exempt customers at customer or subscription level, an exportable tax history, and merchant-defined custom tax rules for any country as an alternative. Two problems for my business: the managed tax service is being retired on November 20, 2026 in favour of bringing your own Avalara account, and the pages show no VAT ID validation, no reverse charge treatment and no One-Stop-Shop reporting. 8 9

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Payment collection, dunning & portability

How this is scored

How invoices turn into money: which payment providers and methods the product works with, SEPA direct-debit mandates, automatic retries and dunning sequences, payment reconciliation, collections handover — and whether the seller can move subscriptions and stored payment details to another provider.

0 — No collection; invoices are sent and payment is chased by hand.

3 — One built-in payment provider with card payments, and failed payments reported but not retried or chased.

5 — Several payment providers or methods including SEPA direct debit with mandates, automatic retries of failed payments, dunning emails with configurable steps, and payments matched to invoices.

8 — Gateway-agnostic collection across named providers, smart retries and card updaters, dunning with escalation and service suspension rules, bank-transfer reconciliation, a handover to a collection agency, and recovery reported.

10 — Collection is portable and measurable: subscriptions and payment tokens importable and exportable with a documented migration path, routing across providers per country or method, recovered revenue reported per dunning step, and no lock-in to the vendor's own payment service stated in the terms.

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The Service-Business Owner

Dunning is the best-documented part of the product: schedules per collection method, steps timed by day after the due date with email, BCC and SMS options, payment retries, exemptions, and final actions that cancel the subscription or mark it unpaid, all configurable without code and testable against simulated payment failures. Twenty-plus named gateways plus a built-in payment solution cover collection broadly, but I found no public information on SEPA direct-debit mandates, bank-transfer reconciliation, a collection-agency handover, or exporting stored payment details when moving to another provider. 1 2 10 11

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Revenue reporting & accounting handoff

How this is scored

What finance gets out of billing: MRR, ARR, churn and cohort reporting, revenue recognition and deferred revenue, the export or sync to the accounting system and to DATEV, CRM and data-warehouse integrations, an API and webhooks, and a complete export of customer and subscription data.

0 — No reporting and no export beyond downloading individual invoices.

3 — A revenue overview and a CSV export of invoices, with no subscription metrics and no accounting integration.

5 — Subscription metrics (MRR, churn) on a dashboard, an export or sync to at least one named accounting tool, and a documented API with webhooks.

8 — Revenue recognition with deferred revenue schedules, a DATEV export or booking-ready journal for the ledger, native CRM and accounting integrations named, MRR movements explainable per customer, and a full data export documented.

10 — Billing is the system of record for revenue: recognition to IFRS 15 / ASC 606 stated, month-end close supported with reconciled reports, data-warehouse sync, audit trail of every financial event, and a complete export of customers, subscriptions and invoices that a successor system can import.

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The Service-Business Owner

Finance gets real substance: MRR and ARR, churn and cohort reports, a subscription momentum waterfall of new, expansion, contraction and lost revenue, projections from actual contracts, finance reports for revenue, deferred revenue and A/R, a claim of GAAP and IFRS compliance, and a documented API with webhook endpoints, replay and delivery tracking. But there is no DATEV export and no named accounting tool in the captured pages — only a generic count of six thousand-plus integrations across categories — and data export appears only as a section heading. 1 12 13

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European sovereignty

How this is scored

Who the contracting entity and the parent company are, where customer, invoice and payment data are hosted, and who the subprocessors are (hosting, payment providers, tax engines, email delivery). Independently sourced by the sovereignty pipeline; billing data is personal and financial at once, so the whole chain counts, not only the database.

0 — Non-EU vendor and contracting entity, hosting unstated, subprocessors unnamed, and no data processing agreement offered.

3 — A privacy policy and a data processing agreement exist, but hosting location is unstated or non-EU and the subprocessors are not listed.

5 — EU hosting available and an EU contracting entity or EU representative, but parts of the chain (tax engine, email, analytics, support) run through non-EU providers without a stated safeguard.

8 — EU hosting on named infrastructure, EU contracting entity, subprocessors listed with their locations, a data processing agreement published, and security certifications (ISO 27001, SOC 2) stated.

10 — Sovereign end to end and evidenced: European ownership, entity, hosting and every subprocessor, data export and deletion documented, and certifications published with their scope rather than implied.

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The Service-Business Owner

The contracting entity is a Delaware limited liability company headquartered in Atlanta, and information is stored and processed in the United States unless otherwise agreed with the customer — the wrong default for my requirement of European customer data, and one documentation page states advance invoicing is "not available for EU-hosted users" without describing such hosting anywhere I read. On the plus side a published data processing agreement offers the EU Standard Contractual Clauses under Irish law with the Irish Data Protection Commission as supervisory authority, annual ISO 27001 audits, and a public subprocessor list, though the website chain runs through Google Analytics, Google Ads, Facebook, LinkedIn, Clearbit, HubSpot and Intercom. 2 3 9

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Pricing transparency not rated — the vendor publishes no price

How this is scored

Whether a buyer can compute the real annual cost from public pages alone: platform fee, percentage of billed revenue or per-invoice fees, which modules (revenue recognition, e-invoicing, tax, extra gateways) cost extra, overage above a revenue band, setup and minimum term, and the merchant-of-record fee where it applies.

0 — No public prices at all; every customer is a sales call.

3 — A starting price or a free tier exists, but how cost scales with billed revenue, invoices or modules is unclear.

5 — Tiers are public with their main inclusions and revenue bands, but at least one commonly needed piece (e-invoicing, revenue recognition, extra gateways, overage) is unpriced or "on request".

8 — Every tier priced publicly with its scaling rule (revenue percentage, per invoice, per subscriber), overage and add-ons listed, minimum term and VAT treatment stated.

10 — Complete price computability: annual cost derivable for a given billed revenue, invoice volume and module set, with every add-on, setup, support and payment or merchant-of-record fee and the cancellation and data-return terms published.

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The Service-Business Owner not rated — no public information

We found no public information on Maxio's own prices in the pages captured: the homepage, privacy policy and data processing agreement state no tiers, platform fee, revenue percentage, per-invoice charge, setup cost or minimum term. A buyer cannot compute the annual cost of running two hundred contracts on this from what was captured. 1 2 3

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European sovereignty — proven facts

1 of 6 dimensions proven

Built only from facts shown on the vendor's own pages. A dimension we could not prove is left open, not scored as zero.

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 ⚠ unverified — uncited Report an error
Transfer impact assessment Not determined — uncited Report an error

Questions about Maxio

Is Maxio European?

Not determined: the vendor’s pages as captured do not say where Maxio is based. Its vendor, Maxio (formerly SaaSOptics / Chargify), is incorporated in United States, per the vendor’s page captured 3 Nov 2026.

Where does Maxio store data?

Not stated on the vendor’s pages as of 3 Nov 2026.

Does Maxio have a free plan?

Not stated on the vendor’s pages as of 3 Nov 2026.

What are the best alternatives to Maxio?

As of 4 Nov 2026, the panel rates Chargebee (3.5/5), Younium (3.5/5) and Stripe Billing (3.5/5) highest among the other 15 Billing & Invoicing 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 Younium (EU-Made). Ratings are the AI panel’s opinion, formed from public evidence: how scores are made. The full list, with European products first: Maxio alternatives.

Where this could be wrong

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.

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Sources (13)

The pages every claim on this page was read from — each one checked, dated, and kept verifiable.

  1. 1 Vendor page www.maxio.com Checked 3 Nov 2026 Details →
  2. 2 Privacy policy — found from the homepage www.maxio.com Checked 3 Nov 2026 Details →
  3. 3 Data processing agreement (dpa) — found from the homepage www.maxio.com Checked 3 Nov 2026 Details →
  4. 4 Plans, pricing models & subscription lifecycle — found from sitemap docs.maxio.com Checked 3 Nov 2026 Details →
  5. 5 Plans, pricing models & subscription lifecycle — found from sitemap docs.maxio.com Checked 3 Nov 2026 Details →
  6. 6 Invoices & e-invoicing compliance — found from sitemap docs.maxio.com Checked 3 Nov 2026 Details →
  7. 7 Invoices & e-invoicing compliance — found from sitemap docs.maxio.com Checked 3 Nov 2026 Details →
  8. 8 Cross-border VAT & tax handling — found from sitemap docs.maxio.com Checked 3 Nov 2026 Details →
  9. 9 Cross-border VAT & tax handling — found from sitemap docs.maxio.com Checked 3 Nov 2026 Details →
  10. 10 Payment collection, dunning & portability — found from sitemap docs.maxio.com Checked 3 Nov 2026 Details →
  11. 11 Payment collection, dunning & portability — found from sitemap docs.maxio.com Checked 3 Nov 2026 Details →
  12. 12 Revenue reporting & accounting handoff — found from sitemap docs.maxio.com Checked 3 Nov 2026 Details →
  13. 13 Revenue reporting & accounting handoff — found from sitemap developers.maxio.com Checked 3 Nov 2026 Details →