Which PrestaShop versions will my custom module support?

Your custom module is built and tested across PrestaShop 1.7, 8 and 9. PrestaShop changed a great deal across those major versions, core APIs were deprecated, signatures changed, and some methods were removed entirely, so a module written naively against one version will often break on another.How we keep it compatibleWe use version-compatibility wrappers rather than calling fragile core APIs directly. When a PrestaShop method differs or disappears between versions, the wrapper detects the running version and calls the correct API underneath, so the same module behaves correctly on 1.7, on 8 and on 9. This reduces the risk of upgrade breakage from deprecated or removed core APIs. The failure mode that leaves merchants stuck on an old PrestaShop version because their custom code can't move forward.Self-heal / infra-guardThe module also ships with our self-heal / infra-guard architecture. PrestaShop updates and cache rebuilds can leave a module's back-office tabs missing, its hooks unregistered or its database schema out of step, and the classic symptom is a module that fails silently, with a menu entry gone or a feature quietly not running. Infra-guard checks the module's own tabs, hooks and schema and repairs them instead of letting them rot, so the module keeps working after a PrestaShop update rather than degrading unnoticed.Why it matters: on PrestaShop, the cost of a custom module is rarely the first build, it's everything afterwards. Building against three supported major versions with compatibility wrappers and self-healing infrastructure is what keeps the module a long-term asset that survives upgrades, rather than a liability you have to re-engineer every time the platform moves. This is especially valuable for merchants who intend to keep the store current and don't want their custom code to be the thing that pins them to an old release.

Do I own the code, and is it open?

Yes. You own your module, and it is genuinely open, readable PHP with no ionCube and no obfuscation. You, or any developer you choose to work with, can open the source, read exactly what it does, audit it for security and behaviour, and maintain or extend it independently.Why this is deliberateMuch of the PrestaShop module market ships encrypted or ionCube-locked code. That looks harmless until you need to change something, debug an interaction with another module, or move the store on, and you find you can't, because the code is a black box and only the original vendor holds the key. It quietly locks you into one supplier to keep your own store running.We do the opposite. Because the module ships as plain, auditable PHP:You can have it security-reviewed on your terms, by anyone you trust.You can debug interactions with your theme and other modules instead of hitting an opaque wall.You can have any competent PrestaShop developer maintain or extend it. You are not dependent on us to keep operating.You can read it to understand your own store, which matters for compliance, handover and due diligence.Why it matters: a custom module is part of your business's infrastructure, and infrastructure you can't read or change isn't really yours. Open, readable code means you're never held hostage by a vendor lock-in, and your store's future stays in your hands. It is the opposite of much of the PrestaShop module market, and it's a deliberate choice. We'd rather earn ongoing work by being good to work with than by holding your code captive.

How much does custom module development cost?

Bespoke PrestaShop module development starts from €2,490. The exact price is set by the scoped discovery, because an honest quote needs a real specification rather than a guess made before anyone has worked out what the module actually has to do.Why the price is scoped, not fixedCustom work varies enormously. A module that adds one focused behaviour is a very different build from one that integrates with an external system, handles multistore and multiple languages, manipulates the cart or order flow, or has to cope with awkward edge cases across customer groups and currencies. Pricing any of that off a one-line brief either pads the number to cover unknowns or hides risk that surfaces later as scope creep. Discovery removes the guesswork: we turn your need into a concrete specification, with the PrestaShop constraints and edge cases pinned down, and quote against that.The discovery fee is credited to the buildThe discovery step has a fee, but it is credited toward the build, so it isn't money lost if you decide to proceed, it simply becomes part of the project. If you don't proceed, you still walk away with a clear, build-ready specification of what your module would need, which has value in its own right (for example if you take it elsewhere or revisit it later).What you're paying for: not just code, but a module built to production standards in open, readable PHP that you own, tested across PrestaShop 1.7, 8 and 9, with the self-heal / infra-guard architecture that keeps it working after platform updates. The from €2,490 figure is the realistic floor for that level of work; discovery sets where your specific project lands above it.

Get a custom PrestaShop module scoped, built and tested for PrestaShop 1.7, 8 and 9

Project scope and milestones for the custom module

Preview of the finished module in admin and storefront

Get a custom PrestaShop module scoped, built and tested for PrestaShop 1.7, 8 and 9

PrestaShop Custom Module Development Service

Bespoke module scoped, built & tested for PrestaShop 1.7/8/9, open code you own

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€2,490.00

Tax excluded

PrestaShop Custom Module Development Service is a bespoke development service for PrestaShop stores that turns a shop-specific process into a working module, from written specification to launch. Starting is small: a description of the goal and the current workflow is enough for the requirements review to begin.

The service settles the risk that sinks custom projects: unclear scope. Before development starts, the business rules, screens, stored data, system connections, exclusions, delivery stages and acceptance criteria are agreed in a written specification, and a fixed quote is prepared from that document. Typical projects start at €2,490, and the listed price is a starting point rather than a cap, so the budget is settled before any development is paid for.

A named project lead stays the direct contact, with progress reported at every agreed milestone. The finished module follows the patterns already used in the shop panel and the installed theme in the storefront, behaves separately by store, language, currency, customer group or employee permission where the specification requires it, and connects to warehouse, accounting, marketplace, carrier or payment systems within the agreed scope. A new requirement becomes a separately described and approved change, never a silent enlargement of the invoice.

The specification and fixed quote typically take 5 to 10 working days from the goal description, and a smaller module runs 3 to 6 weeks from the approved quote, with delivery stages and dates fixed per project. The module is tested against written acceptance criteria, installed first in a test environment, then deployed to production with a return plan and verified in the live store. Handover brings complete, readable source with ownership documented, installation and update instructions, and a training session, followed by a post-launch period of 30 days, unless the specification states otherwise, that covers correction of defects.

The result is a module shaped to the business, a budget that holds, a controlled launch, complete source ownership and a written record that supports every later change.

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Summary of what the Custom Module Development Service covers

PrestaShop Custom Module Development Service carries a business requirement through to a working module in the store: written specification, fixed quote, staged build, formal testing, controlled launch and aftercare. It is simple to start with a description of the goal, while the specification goes as deep as the workflow requires.

A written specification and a fixed quote before development, typically within 5 to 10 working days
Business rules, admin screens, customer journeys and system connections shaped to the store
Formal testing against written acceptance criteria, failure cases included
Deployment through a test environment to production, with a return plan and live verification
Handover of readable source, documentation and a training session for the team
A 30-day correction period, with an optional maintenance plan afterwards

Illustration: Summary of what the Custom Module Development Service covers

How is the project defined before work starts?

The requirements review records the goal, the people using the module, the decisions it makes, the information it stores and the systems it talks to. The resulting specification separates included work from exclusions and states the customer journeys, admin screens, business rules, stored data, delivery stages with dates, acceptance criteria and every third-party account or paid plan required. Requirements review, specification and fixed quote typically take 5 to 10 working days from your goal description.

The fixed quote is prepared from that document; typical projects start at €2,490, and the listed price is a starting point rather than a cap. A named project lead remains the direct contact, with progress reported at every agreed milestone. A new requirement becomes a separately described and approved change, never a silent enlargement of the invoice, and agreed work not delivered for reasons on our side is not charged.

Illustration: How is the project defined before work starts

How does the finished module fit the way the store works?

Admin lists and forms follow the patterns already used in the shop panel, and customer-facing output follows the installed theme, so the team keeps its habits and the storefront keeps its identity. The specification holds the precise pricing, ordering, fulfilment or service rule that makes the business different, including separate behaviour by store, language, currency, customer group or employee permission where required.

Connections to warehouse, accounting, marketplace, carrier or payment systems included in the scope arrive with validation, safe repetition of interrupted exchanges and a readable activity history. Third-party licences, paid plans and approved provider accounts are named and assigned in the quote and paid by the merchant, so ownership and recurring costs are visible before delivery rather than after it.

Illustration: How does the finished module fit the way the store works

What proves the module is ready for real orders?

Every project has written acceptance tests for the agreed business rules. Installation, updates, admin work, customer journeys, permissions and each external connection are exercised in a test environment before anyone calls the work finished. Failure cases matter as much as the intended flow: invalid data is rejected clearly, interrupted exchanges repeat without creating duplicates, and unresolved failures reach the responsible person with enough context to act.

The results are recorded before acceptance, together with the decisions taken and the known operating limits. The merchant receives evidence that the order path, data and staff workflow behave as specified, not a general assurance that development is finished.

Illustration: What proves the module is ready for real orders

How long does the build take, and what happens at launch?

The build timeline is fixed per project in the specification’s delivery stages. As orientation, a smaller module runs 3 to 6 weeks from the approved quote, and larger integrations run longer; either way the stages and their dates are written down before development begins, so progress is measured against a calendar both sides agreed to.

The module is installed and configured first in a test environment. Production deployment follows an agreed launch plan with a current backup and the route back to the previous state, and the final verification happens in the live store, where the agreed customer and employee workflows are confirmed after deployment. Handover includes the complete source, installation and update instructions, a description of stored data and external requirements, and a training session for the people who operate the module.

Illustration: How long does the build take, and what happens at launch

What remains yours after launch?

The source is complete, readable and unencrypted, with ownership documented at handover. No licence server controls whether the module keeps working, and any developer you choose receives enough documentation to maintain it. A post-launch period of 30 days, unless the specification states otherwise, covers correction of defects against the approved specification; after it, an optional maintenance plan covers updates, monitoring of connected services, incident diagnosis and separately approved improvements. Hosting and infrastructure changes the module needs are named in the specification and remain separate work.

The service suits a store with a genuinely shop-specific process, pricing, fulfilment or integration rule that no existing module encodes, and a budget that starts at the listed price. When an existing module already covers the need, PrestaShop Module Selection & Fit Assessment settles that question first, and a first draft of an idea becomes a describable workflow before it becomes a specification.

Illustration: What remains yours after launch

Reference

SVC-CUSTOM-MODULE
Service type

Custom build
Deliverable

Open-code module, documented, you own the IP
PrestaShop versions

1.7 / 8 / 9 (1.6 on request)
NDA / DPA

Available on request
Starting price

From €2,490 (quote-based)
Discovery

Scoped, credited to the build
Code

Open, no ionCube / no encryption

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Scoped, specified, open-code module development for workflows no maintained off-the-shelf module covers.

We build the module you actually need: native admin screens, storefront output, data model, hooks, integrations and version compatibility, delivered as readable code you own. Every build starts with discovery, a written specification, acceptance criteria and a fixed quote before code is written.

Service type Custom build Quote-based

From-price From €2,490 Discovery credited to the build

Timeline Set in the approved specification Depends on scope

Deliverable Open-code module, documentation and handover

PrestaShop 1.7 / 8 / 9 1.6 on request

Warranty Defects against agreed specification fixed New scope quoted separately

Business logic, admin & storefront

The visible and operational parts of the bespoke workflow.

Bespoke rules and workflows modelled cleanly instead of patched on
Native back-office controllers with list, filters, forms, validation and permissions
Front-office output that respects your theme and child-theme pattern, mobile included

Data, integrations & platform fit

The parts that make the module reliable inside PrestaShop.

Declarative additive schema, hooks, cron tasks and web-service endpoints
ERP, WMS, marketplace, carrier, payment or API integrations where specified
Multistore, multilingual, multi-currency and target-version behaviour

Open delivery & handover

What you own at the end and how you can operate it.

Readable PHP source with no ionCube, encryption or licence-server lock-in
Written documentation for configuration, data model and operations
Staging sign-off, live deployment, smoke test and team walkthrough

How it works

Discovery Scoped before quote

We capture requirements, constraints, edge cases, version, theme, modules, multistore and hosting.
Specification Before build

A written scope defines deliverables, data model, acceptance criteria, out-of-scope items and fixed quote.
Build Project timeline

Development happens on staging as maintainable PrestaShop code, not on the live store as a test bed.
QA Before handover

We test target versions, install/upgrade/uninstall, multistore, languages, permissions and failure paths.
Handover Final milestone

We install, document, deliver source and walk your team through configuration and use.

Delivery boundaries

Build work is pinned to an approved specification and acceptance criteria. That keeps ownership, warranty and change control clear.

Tech & versions Open PrestaShop code for 1.7 / 8 / 9, with 1.6 on request No ionCube, no encryption

Acceptance Specification includes testable criteria; staging sign-off before live deployment

Warranty Defects against the agreed specification are fixed New features or changed requirements are quoted separately

IP & code ownership You own the bespoke code and can hand it to another developer Shared scaffolding remains under its normal open terms

Acceptance criteria make done objective

Example criteria include: Installing creates the configured tables; reinstall preserves existing data; admin lists filter, sort and paginate; storefront renders on mobile and desktop in every language with no PHP notices; the ERP sync records verifiable success or failure. QA then checks staging sign-off, version numbers, cache behaviour, live smoke tests and clean logs.

FAQ

Will I own the code?

Yes. The bespoke module is delivered as open, readable code with no ionCube or encryption, and the IP is yours.

Which PrestaShop versions do you support?

We build and test across 1.7, 8 and 9, with 1.6 where required, including multistore and multilingual setups.

How is it priced?

A fixed quote follows scoped discovery and written specification. Typical projects start from €2,490.

What access do you need?

Usually back-office admin and staging access, plus server access where the module touches the server or database.

What if requirements change?

Changes outside the approved specification are quoted transparently as separate work, never treated as a silent overrun.

Can you maintain it afterwards?

Yes. Maintenance is optional; the open code is still yours to maintain yourself or hand to another developer.

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Scope a custom module From €2,490 · fixed quote after discovery

Have a question about this product? Our experts are here to help. Ask anything about installation, compatibility, or specifications.

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1.6–9 PrestaShop versions

A custom PrestaShop module project is run as a proper engineering engagement, not a quick patch. Every project starts with a scoped discovery. The step where we turn a business need into a concrete, build-ready specification.

Discovery first

In discovery we work out what the module must actually do, including the edge cases and the PrestaShop-specific constraints that quietly sink under-scoped projects: how it should hook into the storefront and back office, how it behaves across customer groups, multistore, multiple languages and currencies, how it interacts with the cart, orders or catalogue, and where core behaviour can and can't be safely extended. The output is a specification precise enough to quote and build against honestly. The discovery fee is credited to the build, so if you proceed it isn't money lost. It becomes part of the work.

Build, test and ship

From that specification we build the module to production standards, using PrestaShop's hook and override architecture rather than hacking the core, then test it and ship it. Support terms are agreed in the project scope, so you know up front what is covered rather than discovering it later.

Why work this way: most painful module projects fail not in the coding but in the assumptions. A requirement that turns out to mean three different things, or a PrestaShop constraint nobody checked. Pinning those down in discovery is what lets the build be predictable.

The result is a module that does exactly what stock and marketplace modules don't, built deliberately for your store rather than glued together from mismatched parts. It suits merchants whose workflow, catalogue or integration genuinely doesn't fit an off-the-shelf module, and who want something maintainable rather than a one-off hack that breaks at the next update.

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PrestaShop Custom Module Development Service

Bespoke module scoped, built & tested for PrestaShop 1.7/8/9, open code you own

Summary of what the Custom Module Development Service covers

How is the project defined before work starts?

How does the finished module fit the way the store works?

What proves the module is ready for real orders?

How long does the build take, and what happens at launch?

What remains yours after launch?

What customers say about us

Business logic, admin & storefront

Data, integrations & platform fit

Open delivery & handover

How it works

Delivery boundaries

Acceptance criteria make done objective

FAQ

Related services

Discovery first

Build, test and ship

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