Top 10 Shopify Integration Companies in USA for ERP, CRM, and Custom Systems

CartCoders is a Shopify-focused development and integration agency based in Scottsdale, Arizona. Their team works exclusively on Shopify, which leads to faster delivery, fewer integration issues, and a deeper understanding of Shopify APIs compared to generalist agencies. They have delivered 250+ Shopify and Shopify Plus projects and are known for consistent execution and reliability.

CartCoders covers core Shopify integration needs across ERP systems like NetSuite, SAP, Odoo, and Microsoft Dynamics 365. This includes real-time product sync, order automation, inventory updates, and financial data flow. The setup also supports Shopify Plus and middleware-based integrations for high-volume operations.

For CRM, CartCoders provides dedicated Shopify Salesforce integration services as well as HubSpot connections, enabling brands to sync customer profiles, order history, and behavioral data directly into their CRM for automated marketing and sales workflows. They also build custom API integrations for internal tools, SaaS platforms, and proprietary systems, including white-label integration services for agencies that want to offer these capabilities under their own brand.

i95Dev is a Delaware-based eCommerce integration specialist with a strong track record in connecting Shopify stores to enterprise ERP platforms. The company focuses heavily on mid-market and enterprise clients, particularly those running Microsoft Dynamics 365, Oracle, or NetSuite as their back-office systems.

Their integration methodology is what they call a ‘done-for-you’ model, meaning they handle the full complexity of mapping, configuration, testing, and deployment so clients are not burdened with technical project management. They are well regarded for their structured approach to ERP integration, which includes data validation, error handling, and rollback procedures that more generic agencies often skip.

Sunrise Integration is a Los Angeles-based agency focused on Shopify eCommerce, POS systems, and back-office integrations. They are known for connecting physical retail operations with Shopify stores, especially for brands that rely on Shopify POS for synced inventory and customer data.

They also handle CRM and ERP integrations, along with logistics and carrier APIs. Their experience with both standard platforms and custom systems makes them a strong fit for retail brands operating across online and offline channels.

Uncap, formerly known as Pivofy, is a Chicago-based Shopify agency with official partnerships including Shopify Plus, NetSuite, HubSpot, and Klaviyo. This combination of credentials makes them particularly effective for brands that need simultaneous integration across multiple platforms rather than a single point-to-point connection.

Their managed services model keeps the team involved even after integration. It includes monitoring data sync, handling API updates, and improving workflows over time. For businesses that want a long-term integration partner rather than a one-time build, Uncap’s ongoing management approach is a strong differentiator.

IntuitSolutions is a Philadelphia-based agency that focuses on custom Shopify integrations designed to connect stores with internal tools and different technology stacks. They approach each project with a tech stack audit, understanding what systems a business already runs before designing integration architecture that fits, rather than forcing clients into pre-built connector solutions.

Their expertise lies in workflow automation and data accuracy. They build integrations with validation layers, deduplication logic, and error notifications. This helps prevent data corruption that often goes unnoticed in basic setups.

IKONIC Dev is a Miami-based Shopify development agency with a broad integration portfolio that includes API connectivity, payment gateways, ERP systems, CRM platforms, shipping providers, and social commerce platforms. They position themselves as a full-stack Shopify partner capable of handling both the store build and the integration work within a single engagement.

Their team has particular experience with brands in the fashion, lifestyle, and consumer goods sectors that need integrations connecting Shopify to both enterprise back-office systems and customer-facing platforms simultaneously.

Chetu is a Florida-based software development company with dedicated Shopify integration services. From mid-sized brands to enterprise retailers, they are known for building integration solutions that connect Shopify with payment processing systems, email marketing platforms, and customer support tools.

Chetu operates with a large in-house development team, which allows them to take on high-complexity integration projects that smaller agencies might struggle to manage. They are a particularly strong fit for businesses that need integration as part of a broader custom software development engagement.

eHouse Studio is a Charleston, South Carolina-based agency that specializes in ERP and EDI integrations for Shopify merchants. They use an iPaaS-based approach, which helps build scalable and reliable data flows between Shopify and back-office systems instead of fragile point-to-point setups.

Their ready-made workflows speed up implementation for common integration needs, reducing both time and cost. They are a strong fit for wholesale and B2B brands that require EDI compliance as part of their Shopify integration setup.

BlueSwitch is a New York-based Shopify Platinum Partner. One of the highest partnership tiers available, specializing in large-scale B2B and D2C commerce transformations. Their ‘Unified Commerce Suite’ is a modular solution that adds enterprise functionality across checkout, onboarding, ordering, and inventory management for brands that have outgrown standard Shopify setups.

They bring strong credentials for complex, high-transaction environments and are a particularly suitable choice for enterprise brands going through a major commerce platform transformation that requires integration with multiple legacy systems simultaneously.

Guidance is a Manhattan Beach, California-based Shopify Plus partner offering B2B and B2C eCommerce solutions. They help established brands launch on Shopify Plus quickly while building integrations that support omnichannel operations, connecting storefronts, marketplaces, and back-office systems into a cohesive commerce infrastructure.

Their work is particularly strong for brands transitioning from different platforms and custom-built solutions to Shopify Plus, where they manage migration and the integration simultaneously. Guidance has worked with recognized retail and consumer brands, giving them practical experience with the scale and complexity enterprise clients expect.