We're thrilled to announce GSI's acquisition of Flawless Inbound, a Diamond HubSpot Solutions Partner. Learn more.
HubSpot Integration Services
Delivered by Flawless Inbound | A GSI Company

Maximize Efficiency with a HubSpot Integration Service Provider
Welcome to GSI, your trusted partner for HubSpot integrations that unify your revenue operations, eliminate data silos, and drive sustainable growth. We specialize in delivering comprehensive HubSpot integration services, leveraging deep expertise with HubSpot APIs, NetSuite, Operations Hub, CMS platforms, e-commerce custom integrations, App Marketplace solutions, and beyond.
Exploring Your HubSpot CRM Integration Options: What Are Your Choices?
NetSuite, Salesforce, Stripe, Shopify, Wordpress, Zendesk, and more
HubSpot offers over 3000+ integrations through its App Marketplace, connecting with leading tools across sales, marketing, service, operations, and business management to create a unified technology ecosystem.
NetSuite
Salesforce
E-commerce
Connect HubSpot with Shopify, BigCommerce, WooCommerce, Magento, and other e-commerce platforms to unify your marketing and sales data. Track customer purchases, abandoned carts, and product views to create personalized marketing campaigns. Automate post-purchase workflows, segment customers based on buying behavior, and measure the ROI of your marketing efforts with complete e-commerce analytics.
CMS Platforms
Connect HubSpot with WordPress, Drupal, and other content management systems to capture leads, track website visitors, and analyze content performance. Deploy HubSpot forms, chatbots, and tracking scripts across your website, sync blog posts and landing pages, and gain insights into which content drives the most conversions and engagement.
Email Marketing Tools
Integrate HubSpot with Mailchimp, Constant Contact, SendGrid, and other email marketing platforms to unify your email campaigns and contact management. Sync subscriber lists, campaign metrics, and engagement data bidirectionally to create a single source of truth. This integration allows you to leverage HubSpot's CRM capabilities while maintaining existing email workflows, track email performance alongside other marketing activities, and nurture leads more effectively across platforms.
Payment Processing
Connect HubSpot with Stripe, PayPal, Square, and other payment processors to automate revenue tracking and customer lifecycle management. Automatically create deals when payments are received, update contact properties based on subscription status, and trigger workflows for failed payments or renewals. This integration provides complete visibility into customer payment history, enables accurate revenue reporting, and helps sales teams identify upsell opportunities based on purchase behavior and payment patterns.

HubSpot's Custom Integration Accreditation
Our Flawless Inbound team joins an exclusive group of providers designated by HubSpot as partners of choice for advanced and complex custom integration projects within the HubSpot platform, including at the enterprise level.
This accreditation further consolidates GSI’s place as one of HubSpot's most trusted partners and validates our ability to scope, develop, and deploy complex, CRM-adjacent custom integrations to solve for unique client needs and requirements in the HubSpot CRM platform. For new and existing clients alike, our team can integrate HubSpot CRM with other third-party tools to make our clients' data and business processes seamless and more cohesive.
Why Choose GSI for Your HubSpot Integration Services Provider?
At GSI, we understand that every business is unique, which is why our HubSpot integration services are customized to meet your specific needs. Whether you're looking to integrate HubSpot with your ERP, eCommerce platform, or third-party applications, our team of certified HubSpot integration consultants is here to help.
Expertise and Experience
GSI, Inc., and its Flawless Inbound team brings extensive expertise and years of experience in HubSpot integration services. Our team of certified professionals ensures that your integration project is handled with proficiency and precision.
Custom Integration Accreditation
GSI holds the rare Custom Integration Accreditation from HubSpot, making us one of the few partners worldwide with this specialized certification for building complex, tailored integrations.
100% Signature Guarantee
All of GSI's services are backed by our Signature 100% Guarantee.
Dedicated Support
Our commitment to customer satisfaction extends beyond the initial implementation. GSI, Inc. offers dedicated support and maintenance services to ensure ongoing success and optimal performance of your HubSpot integrations.
Innovative Solutions
GSI, Inc. stays at the forefront of technology trends and innovations in HubSpot integration with APIs, Operations Hub, App Marketplace connections, custom integrations, CMS platforms, and more.
Dual Oracle & HubSpot Partnership
GSI is one of the few companies in the world that is both an Oracle Partner and a HubSpot Partner, uniquely positioning us to bridge enterprise ERP systems with modern CRM and marketing automation platforms.
Interested in our HubSpot Professional Services?
Fill in the form below to let us know you're interested and we'll be right with you to find the HubSpot solution that works best for your unique business requirements.
*Filling in this form will pass your information to a representative at Flawless Inbound, a GSI subsidiary company.