topic Best Practice for Syncing External User Roles per Company via Custom Object in HubSpot? in Tips, Tricks & Best Practices

Best Practice for Syncing External User Roles per Company via Custom Object in HubSpot?

FKnudde — Mon, 14 Jul 2025 14:38:59 GMT

Hello HubSpot community,

We are currently implementing a sync between our own external system and HubSpot. Our goal is to stay as close as possible to HubSpot’s standard object model while accommodating some relational complexity from our external setup. I would appreciate feedback from others who may have tackled similar challenges.

This is the approach we are taking:

Company and contact information are synced into HubSpot’s standard Company and Contact objects.
Each company in our external system maps 1:1 to a HubSpot Company.
A contact may be associated with multiple companies using HubSpot’s standard associations.

The challenge we face is that in our own system, a user can have a different role per company. Since HubSpot does not support relationship-level properties between a Contact and multiple Companies, we decided to use a workaround:

We introduced a Custom Object called "External User".

Each record in this object:

Is associated with one Contact
Contains the user’s role specific to one company
Stores a CustomerID (also available on the Company object) to relate it to the correct company

This setup avoids circular associations, keeps the sync logic very simple, and allows us to reflect per-company roles in HubSpot.

I’d love to hear from others:

Have you implemented something similar?
How do you handle user role-based logic per company in HubSpot?
Any reporting tips or lessons learned that helped make this scalable or user-friendly?

Thanks in advance for any insights or suggestions.

Re: Best Practice for Syncing External User Roles per Company via Custom Object in HubSpot?

karstenkoehler — Mon, 14 Jul 2025 14:43:05 GMT

Hi @FKnudde,

@FKnudde wrote:

Since HubSpot does not support relationship-level properties between a Contact and multiple Companies, we decided to use a workaround:

Have you had a look at association labels? https://knowledge.hubspot.com/object-settings/create-and-use-association-labels – if those do not work, could you elaborate on why exactly?

(Your custom object approach probably also works, yes – but makes it harder to, for example, send automated emails to contacts holding a specific role and personalize by the company that role relates to. That's something association labels would allow you to do, among other things.)

Best regards

Re: Best Practice for Syncing External User Roles per Company via Custom Object in HubSpot?

FKnudde — Tue, 15 Jul 2025 11:56:17 GMT

Hi Karsten,

Thanks for your quick and insightful reply, really appreciate you taking the time.

We had indeed looked at association labels, and conceptually they seem like a perfect fit for our situation: storing role-specific associations between contacts and companies. Your point about email personalization and filtering based on labels makes total sense, and that would be highly relevant for us.

However, our team is currently aiming for a low-complexity setup. At this stage, we’re planning to post data into HubSpot using forms only, without building a full API-based integration. Since forms don’t support setting association labels directly, we were unsure whether this approach could still work (even if working via the recent function to apply or update association labels via workflows triggerd by forms)

Since our main goal is to replicate user-to-company role data from our own system into HubSpot with as little sync logic as possible, we’re unsure whether the label-based route remains manageable long-term when a single contact has different roles across multiple or same companies.

That’s why we started exploring a fallback: creating a lightweight Custom Object ("External User") that links to the Contact, contains a reference to the right company (via a shared ID field), and stores the per-company role.

Would you say that a label-based setup could still work for us even when data is injected via forms? Or would the custom object path offer more stability for this kind of structured, multi-entity relationship?

Happy to hear your advice & thanks again for your helpful perspective.

Cheers,

Francis