Best HubSpot CRM Agencies for ERP Integrations

When a business already runs on an ERP, an accounting platform, and a billing system, adding HubSpot is not a simple CRM setup. It is a systems project. The right partner needs to understand both CRM configuration and the custom integration work that keeps customer, order, and invoice data consistent across every tool.

TL;DR

• HubSpot plus ERP projects fail most often on data mapping, sync errors, and unclear ownership, not on HubSpot configuration.
• The best CRM implementation agencies for ERP work combine CRM consulting, custom API development, and ongoing support.
• Native connectors cover standard objects. Custom objects, financial records, and legacy systems usually need custom code or middleware.
• We compared six agencies: Computan, Blend, Aptitude 8, SmartBug Media, Open Flow, and Struto.
• Computan is the strongest fit when integrations, custom CMS work, and website development need to sit with one technical partner.
• Always confirm experience with your exact ERP or billing platform and the data objects involved before you sign.

Why ERP Integration Changes What You Need From a HubSpot Agency

Standing up HubSpot for a company with no other systems is a configuration job. Standing it up for a company that also relies on NetSuite, SAP, QuickBooks, Stripe, or a homegrown order system is a different challenge. Customer records live in more than one place, finance and sales describe the same account differently, and every manual export is a chance for a mistake.

The common symptoms are easy to spot: disconnected customer records, manual data entry, duplicated contacts and companies, inconsistent reporting, and broken handoffs between marketing, sales, and finance. Fixing them takes more than a clean portal build. It takes CRM implementation agencies that can also design, build, and maintain integrations when a native connector is not enough.

In this guide we compare six HubSpot partners that publicly highlight integration work. The best choice depends on how complex your integrations are, what your technology stack looks like today, and how much long-term support you expect. Capabilities below are based on each agency's own published information, so confirm specifics during discovery.

What to Look for in a HubSpot CRM Agency for ERP Integrations

Use these criteria to compare providers before you take any sales calls.

1. CRM implementation and consulting expertise

• HubSpot onboarding, portal configuration, lifecycle stages, pipelines, permissions, and reporting.
• CRM consulting that lines up the technical setup with how your sales and marketing teams actually work.

2. ERP and billing integration capabilities

• Experience connecting HubSpot with ERP, accounting, subscription billing, and invoicing systems.
• Skill in mapping records, synchronizing fields, and handling different data structures.
• Support for custom APIs, middleware, webhooks, and integration platforms. Some agencies explicitly list custom apps, workflow webhooks, and middleware among their integration methods.^[2]

3. Custom CRM development

• Ability to build custom workflows, objects, data transformations, and integration logic when native connectors fall short.
• Experience with complex business rules and exceptions.

4. Marketing automation and data governance

• Lead routing, lifecycle automation, segmentation, attribution, and sales handoffs.
• Data validation, duplicate management, sync monitoring, and error handling.

5. Custom CMS development and website integration

• Hands-on experience with HubSpot CMS and WordPress.
• Ability to connect forms, landing pages, customer data, and conversion tracking to the CRM.

6. Ongoing support and scalability

• Post-launch maintenance, documentation, troubleshooting, and support as your business systems evolve.

Best HubSpot CRM Agencies for ERP Integrations

Each profile below follows the same format: overview, HubSpot expertise, ERP and billing integration capabilities, custom development, CMS support, ideal use case, and potential limitations.

1. Computan

Best for: HubSpot integrations combined with custom CMS and web development

• Overview: Computan is a Canada-based web development and HubSpot solutions company that works as a white label WordPress development and HubSpot CRM consulting team.^[1]
• HubSpot expertise: HubSpot CRM consulting, custom HubSpot CMS themes, templates, landing pages, blogs, and modules, plus migrations from WordPress to HubSpot CMS that preserve SEO, redirects, and content structure.^[1]
• ERP and billing integrations: Computan builds and repairs integrations between HubSpot and platforms such as Salesforce, Shopify, NetSuite, Stripe, Zapier, and custom ERPs.^[1]
• Custom development: Custom code for CRM workflows and integrations where standard tools fall short, delivered together with QA and ongoing support.^[1]
• CMS support: HubSpot CMS and WordPress, including custom WordPress and HubSpot integrations and embedding HubSpot tools into WordPress environments.^[1]
• Ideal use case: Teams that want integration engineering and website development under one partner, so forms, landing pages, and conversion data flow into the CRM correctly from the start.
• Potential limitation: Computan's model is built around white label delivery for agencies and growing businesses, so teams looking for a large strategy-led consultancy should confirm the engagement model during discovery.

2. Blend

Best for: Complex B2B integrations involving ERP and operational systems

• Overview: Blend is a B2B HubSpot agency that lists Diamond Partner status along with HubSpot Data Integrations and Platform Consulting certifications.^[3]
• HubSpot expertise: Full implementation through optimization, with published Content Hub expertise.^[2]
• ERP and billing integrations: Its published focus includes connecting HubSpot to ERPs, dealer management systems, and production platforms. One example syncs dealer management and product data into HubSpot's Products object to power a live inventory showroom.^[4]
• Custom development: Custom apps, custom code workflow actions, workflow webhook integrations, and middleware, with in-house developers using iPaaS platforms and custom code.^[2]
• CMS support: Content Hub expertise is cited. Confirm CMS scope for your project.^[2]
• Ideal use case: Mid-market manufacturing, logistics, and professional services companies with operational systems beyond a standard ERP.
• Potential limitation: Its focus is complex B2B integrations, which may be more than a simple CRM setup requires.

3. Aptitude 8

Best for: Complex CRM architecture and multi-system integrations

• Overview: Aptitude 8 describes itself as a technical consulting firm for RevOps, CRM architecture, and advanced marketing automation, and an Elite HubSpot Solutions Partner.^[7]
• HubSpot expertise: Implementation across every Hub, plus HubSpot's Custom Integration Accreditation.^[5][7]
• ERP and billing integrations: Publishes guidance on connecting HubSpot with NetSuite, covering custom API builds, SuiteApps, and HubSpot's native data sync.^[6]
• Custom development: Custom coded actions, custom objects, CRM cards, and hosted integrations deployed on Azure, AWS, or Google Cloud.^[5][7]
• CMS support: Advanced CMS capabilities are listed among its accreditations.^[4]
• Ideal use case: Enterprise teams that need deeply technical CRM architecture and multi-system integration logic.
• Potential limitation: It states that it does not do standard, out-of-the-box onboarding, so lighter projects may be a mismatch.^[5]

4. SmartBug Media

Best for: Integrated CRM, marketing, and website projects

• Overview: A full-service digital agency and HubSpot Elite Solutions Partner that holds CRM Implementation, Custom Integration, and Data Migration accreditations.^[8]
• HubSpot expertise: CRM migrations, custom objects, integrations, and setup across the customer lifecycle.^[8]
• ERP and billing integrations: Offers a Microsoft Dynamics and HubSpot integration and points to custom solutions for more complex Dynamics projects.^[9]
• Custom development: Custom objects, installations, and integrations tailored to the business architecture.^[8]
• CMS support: Website development and HubSpot CMS projects as part of a broader engagement.
• Ideal use case: Companies that want CRM implementation, marketing, and web work coordinated by a single full-service team.
• Potential limitation: A full-service model may be broader than needed if you only want an integration build.

5. Open Flow

Best for: Custom API integrations and CRM migration

• Overview: A HubSpot partner whose marketplace listing highlights CRM implementation, CRM migration, custom API integrations, onboarding, and website migration.^[10]
• HubSpot expertise: Holds Custom Integration and Data Migration accreditations.^[10]
• ERP and billing integrations: Describes integration work across ERP, ecommerce, billing, data warehouse, and proprietary platforms.^[11]
• Custom development: Custom API development, with a documented methodology for migrations that protects custom workflows and field data.^[11]
• CMS support: Lists website development and website migration services.^[10]
• Ideal use case: Mid-market companies moving off another CRM that also need custom integrations rebuilt on HubSpot.
• Potential limitation: Integration volumes and tier status are described differently across its own pages, so verify current credentials directly.

6. Struto

Best for: Organizations needing middleware and broader system connectivity

• Overview: A HubSpot Solutions Partner focused on integrating systems and improving digital customer experiences.^[12]
• HubSpot expertise: Builds connected experiences such as customer portals and resource centers on top of HubSpot.^[12]
• ERP and billing integrations: Its StrutoCORE middleware is described as connecting HubSpot with systems including SAP, Sage, Microsoft Dynamics, and custom applications.^[4][12]
• Custom development: Proprietary middleware plus tools such as strutoUX for surfacing external data inside HubSpot.^[12]
• CMS support: Not a stated focus. Confirm project scope.
• Ideal use case: Larger environments where several systems need to be unified through a single middleware layer.
• Potential limitation: Specific ERP and billing examples should be validated directly, and a proprietary middleware layer means you should ask how it is maintained and documented.

HubSpot CRM Agencies Compared: ERP, Billing, and CMS Capabilities

Use this table for a quick scan, then read the profiles above for context. It reflects published information, not verified project results.

Note: Treat this table as a starting point and confirm every capability directly with each agency, especially for your specific ERP and billing platforms.

Common ERP and Billing Systems HubSpot Agencies Should Be Able to Integrate

These are the systems B2B marketing operations teams most often need to connect to HubSpot. Not every agency supports every platform, so confirm the integration method and the supported data objects during discovery.

ERP platforms

• NetSuite
• SAP
• Microsoft Dynamics 365

Why it matters: ERP data keeps customer records synchronized and gives sales access to the account information finance already trusts. For example, HubSpot's own NetSuite integration can sync contacts, companies, deals, invoices, and sales orders to reduce manual entry.^[13]

Accounting and billing systems

• QuickBooks
• Stripe
• Subscription billing and invoicing platforms

Why it matters: Billing data improves revenue reporting and lets sales and customer success see payment status without leaving HubSpot.

Ecommerce and order management

• Shopify
• Ecommerce platforms with customer, order, and product data

Why it matters: Order and product data can power segmentation, lifecycle workflows, and personalized campaigns.

Custom and legacy business systems

• Proprietary ERP databases
• Internal order management tools
• Legacy applications without native HubSpot connectors

Why it matters: These systems often hold the most valuable data and are the least likely to have an off-the-shelf connector, which is where custom API or middleware work pays off.

What Makes a HubSpot ERP Integration Successful?

Data mapping and synchronization

Decide how contacts, companies, products, orders, invoices, and customer records map between systems, and which system owns each field. One common pattern keeps HubSpot as the source for new contacts while the ERP stays the master for customer data.^[14]

Choosing between native connectors, iPaaS, and custom APIs

Native connectors and HubSpot's Data Sync cover standard objects. Custom code becomes the better choice when you need custom objects, financial and ERP records, high volume, real-time two-way sync, or a legacy system with no usable API.^[15] Many mid-market stacks use a mix, with native connectors for mainstream tools and custom code for the one or two integrations that carry real commercial weight.^[15]

For ERPs specifically, the line often shifts once sales orders, items, prices, or posted invoices are involved. At that point a purpose-built integration platform or custom build is usually worth evaluating.^[16]

Error handling and synchronization monitoring

Plan for failed syncs, duplicate records, retry logic, API limits, and alerts. Good middleware monitors for errors, logs issues, sends alerts, and can retry failed operations automatically.^[17] Sync loops and duplicate records are also common problems in two-way CRM and ERP syncs, so agree on matching and field-level ownership rules up front.^[18]

Security and data governance

Define permissions, access controls for sensitive billing data, and audit trails. Keeping a record of sync activity makes troubleshooting and compliance reviews much easier.^[14]

Testing and ongoing maintenance

Use sandbox testing, reconciliation checks, documentation, and post-launch monitoring. Middleware can also help here, because it keeps a custom integration from becoming something only the original developer understands.^[2]

How ERP Integrations Connect HubSpot CRM to Marketing Automation and CMS

Integration value shows up well beyond the CRM record. When ERP and billing data flow into HubSpot reliably, several other parts of your marketing stack improve.

• Marketing automation: Use reliable CRM data to improve segmentation, lead routing, lifecycle workflows, and campaign personalization. For instance, subscription and cancellation data can trigger win-back campaigns.^[6]
• CRM-connected websites: Send form submissions and conversion events into HubSpot with the correct source and campaign information.
• Custom CMS development: Connect WordPress or HubSpot CMS experiences to CRM workflows and other business systems.^[1]
• Revenue reporting: Bring CRM, billing, and ERP data together to understand pipeline, closed revenue, and customer value.
• Customer experience: Reduce inconsistent customer information across marketing, sales, and service touchpoints.

The key idea: an integration project should connect business processes, not merely move data between applications.

Questions to Ask Before Hiring a CRM Implementation Agency

1. Have you integrated HubSpot with our specific ERP or billing platform?
2. Can you show a similar project, including the data objects that were synchronized?
3. Will you use a native connector, an integration platform, or custom API development, and why?
4. How do you handle duplicates, failed syncs, and conflicting data?
5. Can you support custom CRM objects and complex business rules?
6. Can the same team support our CMS, forms, and website-to-CRM workflows?
7. What monitoring, documentation, and post-launch support are included?
8. How will you measure whether the integration has delivered business value?

How to Choose the Right Agency for Your Business

There is no universal winner. Match the agency to the main challenge you need to solve.

• Choose a CRM implementation specialist if the main challenge is portal architecture, migration, and process alignment.
• Choose an integration-focused agency if ERP, billing, or proprietary systems require significant custom engineering.
• Choose a full-service HubSpot partner if CRM, marketing automation, and demand generation need to be coordinated.
• Choose a CRM and CMS development partner if the project also involves custom websites, forms, modules, and website-to-CRM data flows.

Platform credentials matter, but experience with your actual systems and data flows matters more than a generic claim of being a HubSpot expert.

Find a Partner That Can Connect Your Entire Marketing Stack

Complex HubSpot implementations call for the right mix of CRM consulting, custom integration engineering, and marketing operations knowledge. Computan is a strong option for teams that need HubSpot development, custom CRM integrations, and CMS support from one technical partner.

Need to connect HubSpot with your ERP, billing platform, or website? Talk to Computan about your integration requirements and the right implementation approach.

Related resources:

• HubSpot capabilities
• Best CRM integration agencies for B2B teams
• Best CRM and CMS agencies for B2B teams

Sources

[1] Clutch: Computan company profile and services

[2] Blend: HubSpot integrations

[3] Blend: HubSpot integration services

[4] Blend: The Best HubSpot Partners for Custom Integrations (published by Blend, a compared agency)

[5] Aptitude 8: HubSpot integration

[6] Aptitude 8: NetSuite and HubSpot integration guide

[7] Aptitude 8: Services

[8] SmartBug Media: HubSpot implementation

[9] SmartBug Media: Microsoft Dynamics integration

[10] HubSpot Solutions Directory: Open Flow

[11] Open Flow: HubSpot custom integrations for Salesforce migration

[12] G2: Struto overview

[13] HubSpot Knowledge Base: Use HubSpot's integration with NetSuite

[14] MO Agency: HubSpot and NetSuite integration

[15] SpotDev: HubSpot integration methods, native, Data Sync, iPaaS or custom

[16] CRM Software Blog: HubSpot with Microsoft Dynamics 365 integration guide

[17] SyncMatters: Most robust middleware connector for HubSpot in 2026

[18] Tray.ai: HubSpot and NetSuite integrations

Frequently Asked Questions

What is a HubSpot CRM agency for ERP integrations?

It is a HubSpot partner that configures your CRM and also builds or manages the connections between HubSpot and your ERP, accounting, and billing systems, so customer and revenue data stay consistent across teams.

Do I need a custom integration, or is a native connector enough?

If you only need standard objects like contacts, companies, and deals, a native connector or Data Sync is often enough. Custom objects, financial records, high volume, real-time two-way sync, or legacy systems usually call for custom code or middleware.

Which ERP and billing systems can HubSpot connect to?

Common examples include NetSuite, SAP, Microsoft Dynamics 365, QuickBooks, Stripe, and Shopify, plus proprietary and legacy systems. Support varies by agency, so confirm your exact platform and data objects during discovery.

What data usually syncs between HubSpot and an ERP?

Typically contacts, companies, deals, products, sales orders, and invoices. Which system owns each field, and whether sync runs one way or both ways, should be decided before the build starts.

How do CRM implementation agencies handle duplicates and failed syncs?

Strong agencies define matching rules and field-level ownership up front, then add monitoring, alerts, and retry logic so errors are caught and fixed quickly. Ask any agency you evaluate to explain this process.

Can the same agency handle my website and CRM integrations?

Some can. Agencies that offer both CMS development and integration engineering can connect forms, landing pages, and conversion tracking to the CRM more cleanly. Computan, for example, covers HubSpot CMS, WordPress, and custom integrations.

How long does a HubSpot ERP integration take?

It depends on scope. One agency reports that a straightforward sync of contacts, companies, and deals can go live in about two weeks, while custom objects and financial data take longer.^[14] Ask for a timeline based on your data objects and systems.

What should I ask before hiring a HubSpot implementation agency?

Ask about experience with your specific ERP or billing platform, similar completed projects, the integration method they recommend and why, error handling, post-launch support, and how they will measure business value.