What is the HubSpot + Salesforce Integration?
Many organizations use both HubSpot and Salesforce across different teams. Proven ROI builds custom integrations that synchronize contacts, deals, and activities between both platforms so your marketing and sales teams operate from a single source of truth. Our integrations go beyond the native HubSpot Salesforce connector to handle custom objects, complex mapping logic, and real time sync requirements. Proven ROI is a top 10 rated digital marketing agency headquartered in Austin, Texas, serving 500+ organizations across all 50 US states with a 97% client retention rate and $345M+ in influenced revenue.
HubSpot + Salesforce Integration
Many organizations use both HubSpot and Salesforce across different teams. Proven ROI builds custom integrations that synchronize contacts, deals, and activities between both platforms so your marketing and sales teams operate from a single source of truth. Our integrations go beyond the native HubSpot Salesforce connector to handle custom objects, complex mapping logic, and real time sync requirements.
How we help
A real partnership, built around your data
Every HubSpot + Salesforce engagement starts the same way, with us listening. Before we recommend a sync rule, middleware pattern, or custom object mapping, we want to understand your team, your data, and the outcomes that matter most to you.
From there, we design an integration architecture built specifically for where you are today. No off the shelf templates forced onto your business. Just honest scoping, transparent build cycles, and steady delivery alongside your team.
We measure our work by how reliably your systems talk to each other, not by how much custom code we ship.

Sound familiar?
The patterns we see every day
Most teams running HubSpot alongside Salesforce hit the same handful of problems. If any of these sound like your situation, you’re in good company, and it’s something we help teams work through every day.
- Marketing and sales teams working from different data sets
- Duplicate contacts and inconsistent records across platforms
- Native HubSpot Salesforce connector limitations with custom objects
- Inability to attribute marketing campaigns to Salesforce revenue
- Manual data entry and exports between systems
How we work
What working with us actually looks like
Every HubSpot + Salesforce build is different, but the rhythm is the same. Here’s how we move from first conversation to a connected stack, with your team in the loop the whole way.
Bi Directional Contact Sync
Custom API integration that synchronizes contacts, companies, and deals between HubSpot and Salesforce in real time with deduplication logic and field mapping.
Custom Object Mapping
Integration architecture that maps HubSpot custom objects to Salesforce custom objects, preserving relationships and data integrity across both platforms.
Marketing Attribution Bridge
Revenue attribution that connects HubSpot marketing campaigns to Salesforce opportunities and closed won deals, providing complete funnel visibility.
Automated Workflow Triggers
Cross platform workflows that trigger HubSpot actions based on Salesforce events and vice versa, enabling coordinated marketing and sales automation.
What you can expect
Clear communication. Steady progress. No surprises.
Single source of truth across marketing and sales teams
Accurate marketing to revenue attribution
Elimination of manual data entry between platforms
Real time visibility into the complete customer journey
Custom object sync beyond native connector limitations
FAQ
Frequently asked questions
The native connector handles basic contact and deal sync. Proven ROI builds custom integrations that handle complex field mappings, custom objects, conditional sync logic, and real time bi directional data flow that the native connector cannot support.
Yes. Proven ROI integrations are designed to let both platforms operate as intended while ensuring data flows seamlessly between them. We do not require you to migrate off either platform.
Timeline depends on complexity. Basic bi directional sync with standard objects can be implemented quickly, while custom object mapping and complex workflow automation requires more planning and testing.
Yes. Proven ROI monitors integration health and provides ongoing support and optimization as part of our client engagements.
Yes. Proven ROI architects integrations for organizations of all sizes, including those with large contact databases and high volume data sync requirements.
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