Shopify integration agency

Commerce data that moves reliably

We design and build integrations between Shopify and the systems that run products, pricing, inventory, orders, finance and fulfilment. Every interface has an owner, a contract, failure handling and a way to see when something goes wrong.

Discuss your project View selected work

Nordic Shopify Plus Partner · working across all Shopify plans

150+Shopify projects delivered

300+clients

15published case studies

$327Mclient sales through stores we have built

An integration is an operational product, not a one-off data transfer.

One source of truth per data domain

Products, prices, stock, customers and orders need named owners before systems can exchange them safely.

Interfaces designed for failure

Retries, validation, alerts and reconciliation are part of the design because upstream systems and networks do fail.

Business rules stay visible

Transformations and exceptions are documented so the integration does not become an opaque layer only one developer understands.

Change is expected

Versioning, environments and monitoring make supplier updates and new commercial requirements safer to introduce.

Our approach

From process map to a monitored integration

Process and
data mapping

Business events, systems, owners, volumes and required timing.

Source of truth
and contracts

Fields, identifiers, validation, direction and transformation rules.

Architecture
and failure modes

APIs, queues, retries, idempotency, alerts and reconciliation.

Build and
automated tests

Implementation against sandbox or test environments where available.

Monitoring
and runbooks

Operational visibility and clear action when a data flow fails.

Release and
ownership

Controlled activation, validation and documented responsibilities.

Scope and deliverables

A delivery model built for clarity

We scope integrations from actual data and API evidence. Feasibility depends on source-system access, supported interfaces, data quality and supplier cooperation.

Business process map
The events and decisions the integration must support, not only the fields being transferred.
Interface and data contract
Identifiers, schemas, validation, transformations, timing and ownership.
Integration architecture
Direct API, middleware, event or scheduled patterns selected for the actual reliability need.
Implementation and testing
Happy paths, edge cases, duplicates, failures and recovery verified before release.
Monitoring and alerting
Useful signals for missing, delayed or rejected data and clear operational escalation.
Documentation and handover
Data flows, credentials ownership, runbooks and responsibilities kept understandable.

Who it is for

Built around the way your business actually works

For commerce businesses where disconnected systems create manual work, stale information or unreliable customer promises.

01 · ERP

Orders, stock and financial operations

Connect Shopify to Business Central, NetSuite, Visma, Odoo or another supported ERP environment.

02 · PIM

Product information at scale

Synchronise structured product content, attributes, translations and media ownership.

03 · Fulfilment

WMS and logistics workflows

Move orders, fulfilment status, tracking and availability between operational systems.

04 · Custom stack

Specialist and proprietary systems

Build against documented interfaces when an off-the-shelf connector does not match the process.

Commercial value

What a strong implementation changes

Reliable integrations let customers see accurate information and let teams operate without repeatedly correcting system gaps.

Less duplicate work

Structured automation removes avoidable rekeying and the delays that come with it.

More accurate customer promises

Stock, price, order and fulfilment information can reflect the agreed system of record.

Observable operations

Teams can see failed or delayed flows instead of learning about them from a customer.

A safer path to change

Documented contracts and ownership reduce the risk of future platform and supplier updates.

Why Growly

A Nordic team for serious commerce

Growly understands both the Shopify storefront and the operational systems behind it. We translate commercial workflows into integration contracts that developers and business owners can evaluate together.

Why clients choose Growly

Commerce context

We understand how integration decisions affect merchandising, checkout, customer service and fulfilment.

API-first thinking

Capabilities and limitations are verified against the systems involved before promises are made.

Reliability beyond the happy path

Failure handling, retries, monitoring and reconciliation are considered part of delivery.

Ongoing ownership available

We can support and evolve the integration as systems, volumes and business rules change.

Selected work

Selected work, real operating models

View all work

International fishing and outdoor retailHappy Angler

Bidirectional Business Central integration across three markets.

Business CentralShopify PlusERP

View case study →

Wood products and international commerceCent

Automated order and inventory flows between Shopify and Visma Nova.

Visma NovaInternationalSEO

View case study →

Watches, jewellery and multi-store retailKello ja Kulta Jokinen

Store and ERP operations connected without manual order re-entry.

ERPInventoryAutomation

View case study →

Design, homeware and omnichannel retailMuurla

Recoverable product, stock and order flows across channels.

Visma NovaPOSB2B

View case study →

Client voices

Trust is built by what happens after launch.

Working with Growly has been exceptionally smooth from the start. The team is agile, responds quickly and is available when help is needed. What we value most is that Growly does not view every question purely through code. They understand the commercial side of ecommerce and propose solutions that genuinely support sales and growth. Their technical expertise spans Shopify development, SEO and the wider commerce stack. Work that had taken our previous partner months was resolved by Santeri within hours after a few WhatsApp messages. I warmly recommend Growly. They approach our business with genuine commitment and strong professional expertise.

Google

Annika Klemetti, E-Commerce Team ManagerHappy Angler

We needed a dependable partner with a deep understanding of Shopify and a genuine interest in the client’s business and specific requirements. Growly has met that need extremely well. The collaboration has been straightforward, effective and results-focused from the outset. The project stayed on plan and costs remained under control. I would gladly recommend Growly to any company planning a Shopify implementation.

Google

Tuomas Aitolehti, CEOMurren Murkina Oy

We gave three Shopify agencies access and asked each for an assessment. Growly was by far the fastest to respond. We commissioned a new SEO-optimised store and the entire project was completed in five weeks. Organic visibility is developing very well. A strong recommendation.

Google

Tapio Hjulberg, Ecommerce ManagerCent-listat Oy

We have worked together for several years. Communication is easy and issues are resolved very quickly. The site turned out exactly as we wanted and at a sensible cost. I recommend Growly.

Google

Vesa JokinenKello ja Kulta Jokinen Oy

The project to build an online store tailored to our needs went smoothly with Growly, and we are very pleased with the result. A warm recommendation as a partner.

Google

Miia KovalainenSymeres Finland Oy

During the website redesign, the team did not focus on counting hours. Instead, every item was completed together with us. A capable Shopify implementation team. Special thanks to Rasmus for his excellent attitude. Recommended.

Google

Matti VilhunenMattomatti Oy

Growly delivered a versatile online store for us on a tight schedule. The team brings an entrepreneurial mindset and useful new perspectives. We have also received fast support after launch. I am happy to recommend them.

Google

Maarit PihlNordic Competence Group Oy

Growly was recommended to us when we were looking for a partner to renew our online store. The collaboration has gone well and communication is easy. Santeri and Paavo keep things moving at the right pace. The journey continues with SEO and marketing.

Google

Hanne Tuori-KalliokoskiTallipihan Suklaapuoti Oy

Only good things to say about Growly. The ecommerce project went exactly as it should and the result was excellent. Expertise and service 5/5.

Google

Riku KeihäsniemiToive Oy

Genuine client reviews from our Google Business Profile.

Read all reviews

Frequently asked questions

Questions, answered

We commonly work with ERP, PIM, WMS, payment, logistics and marketing systems. Examples include Business Central, NetSuite, Visma, Odoo, Akeneo and Plytix. Feasibility is always verified against the exact product, version, API access and data requirements.

Yes. A custom integration is appropriate when supported interfaces exist but an off-the-shelf connector does not cover the required business rules, reliability or data ownership.

They can, but real time is not automatically the best or available model. We choose event-driven, near-real-time or scheduled synchronisation according to API support, volumes, operational risk and cost.

The design can include validation, idempotency, retries, dead-letter handling, alerts and reconciliation. The exact controls depend on the importance and recoverability of each flow.

Ownership is agreed in the project. We recommend client-controlled accounts and documented access, with clear responsibility for source systems, middleware, Shopify and operational monitoring.

Yes, after an audit of the implementation, code access, infrastructure, documentation, credentials and current failure patterns.

Explore