E-Commerce Platforms & Shop Systems

Sylius

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Panel rating · 6 judges · How to read the stars

Category median

Sovereignty: 1 of 4 dimensions proven

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

An AI-assisted analysis of public evidence — not a hands-on test.

Every score, rationale and verdict on this page is AI-generated. Every claim cites the source it was read from. Nothing here is a human star review — and no score can be bought. How scores are made →

Method and versions

The Merchant v1.0 · The B2B Seller v1.0 · The Developer v1.0 · The Operations Lead v1.0 · The Data Protection Officer v1.0 · The Skeptic v1.0 · rubric v1 · evaluated 22 Sep 2026

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

The Merchant

Weighted verdict

Sells to consumers and lives on conversion. Wants a checkout that can be changed without a rebuild, the payment methods German shoppers expect including invoice, and promotions with rules. Judges price against contribution, not against a competitor's tier.

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

Scored by The Merchant

Catalogue & checkout

How this is scored

Products, variants, pricing rules and the path to payment — the part that either converts or does not.

0 — Flat product list with one price and no variants; checkout is a form and one payment method.

3 — Variants and categories with a standard checkout and two or three payment methods, but no bundles, no tiered pricing and no guest checkout worth the name.

5 — Full variant matrix, product bundles, tiered and customer-group pricing, guest checkout, and the payment methods a German shop needs including invoice and direct debit.

8 — Configurable products, per-channel pricing, promotions and vouchers with rules, a checkout that can be customised without a rebuild, and payment via the major providers plus buy-now-pay-later where offered.

10 — Merchandising and checkout are the product: rule-driven pricing and promotions, A/B-testable checkout, multi-currency and multi-language as standard, and conversion features (abandoned cart, one-page checkout) shipped rather than bolted on.

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The Merchant

I found no public information on payment methods, guest checkout, promotions, vouchers or variant handling, which are the things that decide whether my German shoppers can pay by invoice at all. The headless and PWA positioning tells me a checkout could be rebuilt to my needs without a vendor rebuild, but the captured pages show nothing of the conversion machinery itself. 1

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Tax & German legal correctness

How this is scored

VAT determination, OSS, B2B reverse charge, and the checkout requirements German law actually imposes — judged on what the platform does, not on a plugin someone could buy.

0 — A single VAT rate applied everywhere; no B2B handling, no country logic, no legal-text handling in checkout.

3 — Per-country VAT rates configurable by hand, net prices for B2B possible with effort, and legal texts as free-form pages.

5 — Automatic VAT by destination and customer type, VAT-ID validation with reverse charge, gross and net display per customer group, and the mandatory checkout elements (order button wording, withdrawal policy, price indications) handled.

8 — OSS thresholds tracked and reported, correct invoicing per case including reverse-charge notes, small-business and third-country handling, and e-invoicing (XRechnung/ZUGFeRD) for B2B orders.

10 — Tax and legal correctness are maintained by the vendor rather than the merchant: rates and thresholds updated as the law moves, OSS reporting produced, every invoice case correct out of the box, and documented conformity a lawyer could review.

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The Merchant

Nothing published on VAT determination, OSS reporting, reverse charge, VAT-ID validation or the legal texts a German checkout must carry, so I cannot verify even a hand-configured per-country VAT setup from the vendor's own page. For a shop selling to consumers in Germany this is an information gap I would have to close before signing anything. 1

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Extensibility & developer surface

How this is scored

Themes, apps, APIs and headless — whether the shop can be shaped to the business, and at what cost in lock-in.

0 — Fixed templates, no app ecosystem, no API.

3 — Theme editing within limits and a small app store; a read-mostly API and no local development story.

5 — Custom themes with a template language, an app or plugin ecosystem, a documented REST API, and webhooks for the core order events.

8 — Full storefront API for headless builds, an extension framework with its own lifecycle, staging environments, version control for themes, and documented rate limits.

10 — A platform a team can own: headless-first APIs, open-source or source-available core, plugin architecture with a real dependency model, local development and CI supported, and upgrade paths that do not orphan customisations.

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The Merchant

This is the strong suit: an open-source core on Symfony, ready for headless and PWA, a REST API built with API Platform that can be customised, and an Addons Marketplace that launched with over 500 indexed plugins, backed by 700-plus contributors and 7,400-plus developers on Slack. I found no public information on staging environments, documented API rate limits or upgrade guarantees, which is what keeps it shy of the top mark. 1

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Order operations & back office

How this is scored

What happens after checkout: order management, stock, returns, shipping, and the link to ERP or accounting.

0 — An order list and an email; stock is a number nobody trusts, returns are manual.

3 — Order statuses and basic stock, one shipping integration, and returns handled by hand.

5 — Order workflow with partial shipments, multi-warehouse stock, named carrier integrations with label printing, and a returns process in the system.

8 — Multi-channel order intake, automated fulfilment routing, supplier and dropshipping flows, and maintained interfaces to named ERP and accounting systems.

10 — The shop is the front of an operation: real-time stock across channels and warehouses, returns and refunds fully worked including partials, ERP integration the vendor maintains, and operational reporting a merchant runs the business from.

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The Merchant

I found no public information on order workflow, partial shipments, stock, returns or carrier integrations; nothing on maintained interfaces to named ERP or accounting systems. The only adjacent signal is a customer quote praising the Plus edition's ability to integrate with existing systems, which is a testimonial rather than a documented interface I could hold anyone to. 1

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Data ownership & exit

How this is scored

Whether the catalogue, customers and order history remain the merchant's: export completeness, hosting choice, and what leaving actually costs.

0 — Export is a partial CSV; order history and customer records cannot leave intact, and hosting is the vendor's alone.

3 — CSV export of products and customers, order history partial, no self-hosting, no documented migration path.

5 — Complete export of catalogue, customers and orders via API or dump, documented deletion, and a stated data-return commitment.

8 — Full-fidelity export including media and order documents, self-hosting or a choice of hosting partner, and no metering that prices a migration out of reach.

10 — Ownership is structural rather than promised: open-source or source-available platform the merchant can run anywhere, database-level access, documented migration in both directions, and contractual data return.

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The Merchant

Ownership here looks structural rather than promised: open-source code that runs on my own VPS, Docker or Kubernetes means my catalogue, customers and order history sit in my stack, not the vendor's. I found no public information on export completeness or a documented migration path, so the practical cost of leaving is my team's guesswork rather than a published commitment. 1

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European sovereignty

How this is scored

Where customer and order data live, who the contracting entity is, and which subprocessors sit in the checkout path. Independently sourced by the sovereignty pipeline.

0 — Non-EU vendor and contracting entity, hosting unstated or non-EU, subprocessors unnamed.

3 — EU hosting offered as an option while the contracting entity is non-EU, or the subprocessor list is absent.

5 — EU hosting as standard and an EU contracting entity, but parts of the chain — CDN, analytics, payment routing, support tooling — are non-EU without an explained safeguard.

8 — EU hosting on named infrastructure, EU contracting entity, complete subprocessor list published, 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 puts the shop entirely under the merchant's control.

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The Merchant

The vendor's home is Opole, Poland, and a self-hosted deployment on my own infrastructure keeps the shop under my roof, both good signs for keeping customer and order data in Europe. But no sovereignty attributes are on record, there is no published subprocessor list and no certification to review, so I cannot see who or what sits in the checkout chain. 1

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Pricing transparency

How this is scored

Whether a merchant can compute the real annual cost — licence, transaction fees, apps, hosting — from public pages alone. The category where the headline price is least often the invoice.

0 — No public prices at all; every tier is a sales conversation.

3 — A monthly headline exists, but transaction fees, mandatory apps or hosting costs are unstated — the invoice is unknowable from the page.

5 — Tier prices public with billing period stated and transaction fees given, but at least one commonly needed piece (a required app, hosting, payment gateway rate) is unpriced.

8 — Every tier priced publicly including transaction or revenue-share rates, order or GMV limits, and the cost of the extensions most shops need; VAT treatment and minimum term stated.

10 — Complete price computability: annual cost derivable for a given order volume and GMV including licence, transaction fees, hosting and typical extensions — and for open-source platforms, an honest statement that the licence is free and where the money actually goes.

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The Merchant

The open-source positioning tells me the base licence is free to obtain, but beyond that I found no public prices at all: not for the Plus edition, not for marketplace plugins, not for hosting or services. My real annual cost is a sales conversation, not a calculation I can do from the vendor's own pages. 1

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European sovereignty — proven facts

1 of 4 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.

Legal entity	Not determined ⚠ unverified	—	uncited Report an error
Ownership	Not determined	—	uncited Report an error
Data residency	EU only ⚠ unverified	3/3 pts	2 Report an error
Subprocessors	Not determined	—	uncited Report an error

Where this could be wrong

Evidence ages. The oldest capture behind this page is from 22 Sep 2026. Vendors change pricing and policies without notice; every fact reflects its source as of the capture date shown in the registry.
Weak sourcing — Data residency. This is only a no-third-country-transfer clause for Clients' Personal Data under the website's commercial-services terms; no hosting location or hosting provider for the service itself is named anywhere in the excerpts.
Weak sourcing — Legal entity. 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 could not confirm any pricing information on the vendor’s own pages as captured, so this page shows none rather than a statement we cannot stand behind. Know more? Tell us
We could not confirm any compliance information on the vendor’s own pages as captured, so this page shows none rather than a statement we cannot stand behind. Know more? Tell us
15 legal 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 sovereignty dimension could not be confirmed on the vendor’s own pages and is shown as unknown. Know more? Tell us
6 of the readings below were written against an earlier fact sheet — a fact has been corrected, added or pulled since. Until the panel next runs on this product you are reading the older judgement. Know more? Tell us

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Sources (4)

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

1 Vendor page sylius.com Checked 22 Sep 2026 Details →
2 Terms of service — found from the homepage sylius.com Checked 30 Sep 2026 Details →
3 Catalogue & checkout — found from sitemap sylius.com Checked 1 Oct 2026 Details →
4 Extensibility & developer surface — found from sitemap sylius.com Checked 1 Oct 2026 Details →