Building a Shopify app is different from customizing a theme or installing an existing app.
A custom app may need to sync inventory with an ERP, automate order workflows, support checkout logic, process webhooks, connect external platforms, or serve hundreds of merchants through the Shopify App Store. That means the development partner needs more than general Shopify experience.
This list focuses on companies with verifiable experience in custom apps, integrations, public Shopify apps, or complex Shopify engineering.
How We Selected These Shopify App Development Companies
This list is not based only on marketing claims or directory rankings.
We looked for signals such as:
- current Shopify Partner presence
- custom apps and integrations as a documented capability
- published Shopify apps where available
- merchant-specific app development
- systems integration experience
- Shopify Partner tier
- evidence of ongoing Shopify engineering
Shopify currently categorizes service partners into tiers such as Select, Plus, Premier, and Platinum. Partner status is useful context, but it should not be treated as proof that a company has experience with every type of Shopify app project.
Editorial disclosure: Lucent Innovation is included because this article is published by Lucent. It was evaluated using the same criteria applied to the other companies.
Top Shopify App Development Companies in the USA
| Company | Shopify Partner tier | App development evidence | Best fit |
|---|---|---|---|
| Lucent Innovation | Plus | Custom apps, integrations, public apps | Custom apps and enterprise integrations |
| SpurIT | Select | Public and custom Shopify apps | Public app products |
| MLVeda | Platinum | Public apps and middleware projects | ERP and data integrations |
| Sunrise Integration | Premier | POS apps and API work | POS and integration-heavy projects |
| Arctic Grey | Platinum | Custom apps and public apps | Enterprise Shopify projects |
| Absolute Web | Platinum | Custom apps and integrations | Larger ecommerce implementations |
| Fyresite | Premier | ERP connector and custom integration work | ERP and B2B systems |
| Ambaum | Premier | Custom apps and configurators | Merchant-specific functionality |
1. Lucent Innovation
Best fit: Custom Shopify apps, operational workflows, integrations, and public app development.
Lucent Innovation is listed in Shopify's Partner Directory at the Plus tier, with custom apps and integrations among its services. Its work includes internal workflow tools, inventory synchronization, custom commerce applications, and external system integrations.
Lucent also has public apps listed in the Shopify App Store, alongside merchant-specific work such as a custom Shopify product builder and a custom return and exchange app.
2. SpurIT
Best fit: Public Shopify apps and merchant-specific custom applications.
SpurIT is a US-listed Shopify Partner with experience in both public and custom app development. Its Shopify App Store portfolio includes apps covering pricing, bulk product management, inventory notifications, promotions, and other merchant workflows.
Its public-app experience makes it especially relevant for businesses planning to launch an app for multiple Shopify merchants rather than a single store.
3. MLVeda
Best fit: Shopify apps involving ERP systems, middleware, international commerce, or complex data synchronization.
MLVeda combines custom app development with integrations across inventory systems, payment providers, shipping tools, and enterprise platforms.
It also maintains a public Shopify App Store portfolio, making it relevant when a project requires both Shopify-specific development and reliable data movement between multiple business systems.
4. Sunrise Integration
Best fit: Shopify POS, API integrations, and applications connected to operational systems.
Sunrise Integration's Shopify capabilities include custom app development, API work, ERP integrations, CRM systems, 3PL connections, and Shopify POS.
It also has public Shopify POS apps, which makes the company particularly relevant when the application needs to support physical retail workflows rather than only online storefront operations.
5. Arctic Grey
Best fit: Enterprise merchants needing custom application development alongside broader Shopify Plus engineering.
Arctic Grey is a Platinum Shopify Partner offering custom apps and integrations alongside D2C, B2B, wholesale, and POS work.
The company also maintains public Shopify apps, providing useful evidence of experience beyond storefront development alone.
6. Absolute Web
Best fit: Larger ecommerce businesses where custom Shopify applications are part of a broader implementation.
Absolute Web is a Platinum Shopify Partner that lists custom apps and third-party integrations among its services.
Its positioning is particularly relevant when a business needs custom application functionality together with other Shopify Plus work such as integrations, migration, storefront development, or long-term ecommerce engineering.
7. Fyresite
Best fit: ERP integrations, B2B projects, and complex operational workflows.
Fyresite is a Premier Shopify Partner with experience connecting Shopify to enterprise systems.
Its published Shopify work includes ERP connector development and NetSuite-related integrations, making it more relevant for projects where reliable synchronization between Shopify and back-office systems is a core requirement.
8. Ambaum
Best fit: Merchant-specific applications, product configurators, and complex store functionality.
Ambaum is a Premier Shopify Partner with custom apps and integrations among its listed capabilities.
Its published Shopify projects include custom product builders and configurators, making it particularly relevant when standard Shopify functionality or off-the-shelf apps cannot handle the merchant's product or operational logic.
Which Type of Shopify App Development Partner Do You Need?
Before comparing proposals, define what you're actually building.
| Project type | Experience to prioritize |
|---|---|
| App for one merchant | Custom distribution, Shopify APIs, merchant workflows |
| SaaS app for many merchants | Public app development, OAuth, billing, App Store review |
| ERP/WMS/3PL integration | Webhooks, APIs, queues, retries, data reconciliation |
| Checkout or business logic | Shopify Functions and supported checkout extensions |
| Admin workflow | Shopify Admin extensions and embedded app architecture |
| POS workflow | Shopify POS extensions and retail-system experience |
| Customer account feature | Customer Account API and extension experience |
This distinction matters because the development requirements vary considerably.
A custom application used by one merchant does not have the same distribution, authentication, onboarding, billing, or App Store requirements as a public SaaS app.
Shopify currently separates application distribution into custom distribution and public distribution. Public apps can serve multiple unrelated merchants and must meet Shopify's applicable App Store requirements.
What to Check Before Hiring a Shopify App Development Company
1. Current Shopify API knowledge
The development company should understand Shopify's current architecture rather than rely on older implementation patterns.
Shopify marked the REST Admin API as legacy in October 2024, and new public apps have been required to use the GraphQL Admin API since April 2025.
Depending on the project, the development team may also need experience with:
- GraphQL Admin API
- Storefront API
- Customer Account API
- Shopify Functions
- webhooks
- Admin UI extensions
- Checkout UI extensions
- theme app extensions
- App Bridge
A technical proposal should explain which parts of this architecture are actually relevant rather than mentioning every Shopify technology available.
2. Experience with your specific type of app
A Shopify Partner badge tells you that a company works within the Shopify ecosystem. It doesn't tell you whether that company has solved your particular problem before.
For a public app, look for evidence of public apps that have been launched and maintained.
For an ERP integration, ask about synchronization, retry logic, rate limits, queues, failure recovery, reconciliation, and monitoring.
For a product configurator, look for experience handling product logic, variants, SKUs, pricing, inventory, and front-end state.
Comparable engineering experience is usually more valuable than a long list of unrelated Shopify projects.
3. Authentication and data security
App architecture should define how sensitive merchant and customer data is accessed and protected.
Ask how the team handles:
- OAuth
- access tokens
- token refresh
- API scopes
- secret storage
- webhook validation
- customer data
- merchant data
- uninstall workflows
- data cleanup
This is increasingly important as Shopify updates its authentication requirements.
For example, public apps created from April 1, 2026 that access the Admin API must use expiring offline access tokens.
4. App ownership
Clarify ownership before development starts.
Your agreement should define who controls:
- source code
- Git repository
- Shopify app configuration
- databases
- hosting
- cloud infrastructure
- domains
- CI/CD pipelines
- monitoring tools
- third-party services
This becomes important if you eventually move development to another team.
A clean handover should not require rebuilding the application.
5. Failure handling
Integration-heavy Shopify applications should be designed for failures, not only successful requests.
An ERP can become unavailable. A webhook may be delivered more than once. A third-party API may rate-limit requests. Inventory updates can arrive out of order.
The development team should be able to explain how the system handles:
- retries
- duplicate events
- idempotency
- queue failures
- partial synchronization
- reconciliation
- logging
- alerts
These issues often matter more in production than the initial API connection itself.
6. Shopify platform changes
Shopify apps require maintenance after launch.
Shopify releases API versions regularly and continues to update its application platform, extensions, authentication requirements, and App Store standards.
The contract should define who monitors:
- API version changes
- deprecated APIs
- security updates
- webhook changes
- authentication requirements
- extension changes
- App Store requirements
- production errors
This is particularly important for public apps that depend on remaining compatible across many merchant stores.
Mistakes to Avoid When Hiring a Shopify App Development Company
Choosing the right development partner is not only about finding the company with the strongest portfolio. Some mistakes can create technical debt, unexpected maintenance costs, or ownership problems long after the app goes live.
Choosing a Shopify agency without verifying app experience
Store development and app development require different skills.
A team may be excellent at themes, Liquid, storefront UX, or Shopify migrations but have limited experience with backend applications, APIs, authentication, webhooks, queues, or external systems.
Look for evidence that matches the application you actually plan to build.
Starting development before deciding how the app will be distributed
A public Shopify app and a merchant-specific custom app should not be treated as the same project.
Distribution affects authentication, onboarding, permissions, billing, App Store review, multi-tenant architecture, and long-term support.
Making that decision after development has started can lead to unnecessary rework.
Treating an integration as a simple API connection
Connecting Shopify to an ERP, CRM, WMS, or 3PL involves more than sending data between two APIs.
Production integrations need to account for failed requests, duplicate events, API limits, delayed updates, unavailable systems, and conflicting data.
Ask how the team will handle retries, queues, idempotency, reconciliation, and monitoring before approving the architecture.
Leaving code and infrastructure ownership unclear
A business should not discover after launch that its development vendor controls the only repository or cloud account.
Clarify ownership of the source code, Shopify app, hosting, database, deployment pipeline, third-party accounts, and documentation in the contract.
This makes future maintenance and vendor changes much easier.
Focusing only on the initial development cost
The lowest development quote is not always the lowest long-term cost.
Shopify apps may require infrastructure, monitoring, third-party services, security updates, API upgrades, bug fixes, and ongoing platform maintenance.
Compare the total operating model, not only the cost to reach the first release.
Ignoring future Shopify platform changes
An app that works at launch may need updates as Shopify changes APIs, authentication methods, extensions, and platform requirements.
Ask who will monitor these changes and how upgrades will be handled after the original development engagement ends.
Skipping technical documentation and handover
The application should not depend entirely on knowledge held by the original developers.
Architecture notes, environment setup, deployment instructions, API dependencies, monitoring processes, and repository access should be part of the final delivery.
Good documentation reduces the risk and cost of maintaining the app later.
Questions to Ask Before Signing the Contract
A few focused questions can tell you more than a long capability presentation.
Have you built this type of Shopify app before?
Ask for evidence that resembles your architecture rather than another Shopify storefront.
Should this be a custom-distribution app or a public app?
The answer should depend on your intended users and business model.
Which Shopify APIs, Functions, or extensions would you use?
The company should be able to explain why each technology belongs in the architecture.
What happens if Shopify or another connected system is temporarily unavailable?
Listen for discussion of retries, queues, reconciliation, monitoring, and failure recovery.
Who owns the application and infrastructure?
Repository, hosting, Shopify app ownership, cloud accounts, and documentation should be clear.
Who maintains the app when Shopify changes its APIs?
Platform maintenance should be part of the long-term plan, not an afterthought.
Final Considerations
There isn't one Shopify app development company that fits every project.
A company experienced in public Shopify apps may be a strong fit for a SaaS product. A team with ERP and middleware experience may be more appropriate for inventory or fulfillment integration. Another company may be better suited to custom product logic or internal merchant workflows.
Start with four questions:
What must the app do?
Who will use it?
Which systems must it connect to?
Who will maintain it after launch?
Then evaluate development companies against those requirements.
That gives you a much stronger basis for selection than agency size, hourly rate, review count, or Shopify Partner tier alone.
