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HubSpot + LinkedIn Ads: lead sync, lifecycle conversions and audiences

TL;DR

HubSpot connects to LinkedIn Ads in three native ways. Lead Gen Form leads sync into HubSpot on any plan. Lifecycle stage changes go back to LinkedIn through its Conversions API on Marketing Hub Starter or above. Contact and company segments sync out as audiences. Deal amounts are not sent, and LinkedIn only ingests conversion events from the last 90 days.

Lead sync
All HubSpot plans
Conversion events
Lifecycle stages only, Marketing Hub Starter+
LinkedIn ingest window
Last 90 days
Audience minimum
300 members to serve
Viney
Written by
Viney
Project Manager
Updated October 4, 2026Reviewed by Eric Mascarenhas
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What this integration unlocks

  • LinkedIn Lead Gen Form submissions created as HubSpot contacts within about two hours
  • Lifecycle stage changes sent to LinkedIn as Conversions API events, so bidding sees qualified leads
  • Contact and company segments pushed to LinkedIn as audiences for targeting and exclusion
  • HubSpot reporting on LinkedIn campaigns, with contacts attributed through auto-tracking
  • A revenue view in LinkedIn's Revenue Attribution Report through the separate LinkedIn CRM Sync app

Setup steps

  1. 1

    Connect the LinkedIn Ads account to HubSpot

    In HubSpot, open Settings, go to Marketing > Ads, click Connect account and choose LinkedIn. The HubSpot user who connects must be an Account Manager in that LinkedIn Ads account. Connecting is available on all HubSpot plans and turns on auto-tracking, which adds HubSpot tracking to your LinkedIn ads so contacts can be attributed to the ads they clicked.

    One reporting limit to know up front: HubSpot only reports on the most recent year of LinkedIn Ads data, to comply with LinkedIn's terms. Keep longer history in LinkedIn Campaign Manager or your own warehouse.

  2. 2

    Turn on Lead Gen Form syncing

    Go to Settings > Marketing > Ads > Lead syncing and switch on syncing for the ad account. You need to be a Super admin, Content Admin or Lead Gen Forms Manager on the associated LinkedIn Page. Choose New & recent leads to pull in the last 90 days as well as new leads, or New Leads for future submissions only.

    Make the Email field required on every LinkedIn Lead Gen Form, because HubSpot needs it to create the contact. New leads can take up to two hours to arrive. If you change custom field mappings later, only newly synced leads use the new mapping, so settle the mapping before the campaign launches.

  3. 3

    Choose the lifecycle stages LinkedIn should learn from

    HubSpot's LinkedIn conversion events are built on lifecycle stages only, so the stage definitions are the whole strategy. Pick stages that mean real progress, such as MQL and SQL, and agree the definitions with sales before anything is wired.

    On LinkedIn, an expensive click optimized to a raw form fill rewards the cheapest leads. Sending a qualified stage tells LinkedIn which members actually turned into pipeline.

  4. 4

    Create Conversions API events in HubSpot

    Go to Marketing > Ads, open the Events tab and click Create event. This needs Marketing Hub Starter, Professional or Enterprise, with up to 5, 50 or 100 events respectively. HubSpot maps each lifecycle stage to the matching LinkedIn conversion type automatically, and you can edit the conversion rule in LinkedIn if you want a different mapping. You can also set a monetary value per event.

    HubSpot sends a hashed email address, first and last name, title, company and country, plus the LinkedIn click ID and lead ID. Choose whether to sync every contact that reaches the stage, which HubSpot recommends, or only contacts that interacted with your ads. The LinkedIn conversion shows as Unverified until the first data arrives, then Active.

  5. 5

    Sync segments as LinkedIn audiences

    Create a contact segment audience, or a company segment audience, which HubSpot only offers for LinkedIn. Both need Marketing Hub Starter or above. HubSpot matches contacts on properties such as name, phone and email, and companies on name, domain and industry. A new audience can take 24 to 48 hours to sync.

    In Campaign Manager, select it under Audiences > Third party, then Third party contact or Third party company. A LinkedIn contact audience needs at least 300 members to serve, so a short customer list may work for exclusion before it is big enough to target.

Common issues

LinkedIn leads are not arriving in HubSpot

Fix. Check that the connecting user holds a Super admin, Content Admin or Lead Gen Forms Manager role on the LinkedIn Page, that syncing is on for that ad account, and that the form has a required Email field. Allow up to two hours before treating a lead as missing.

The LinkedIn conversion stays Unverified

Fix. It turns Active only after HubSpot syncs data. Only lifecycle stage changes made after the event was created count, so if no contact has moved stages since then there is nothing to send yet.

Older pipeline never reached LinkedIn

Fix. The event does not backfill earlier stage changes, and LinkedIn only ingests conversion events from the last 90 days, with attribution defaulting to 90 days from an ad click or view. Create events before the campaign starts.

Expected deal revenue in LinkedIn, saw a flat value

Fix. The conversion events carry the value you set per lifecycle stage, not the deal amount. For revenue by campaign, look at LinkedIn's Revenue Attribution Report, which HubSpot reaches through the LinkedIn CRM Sync app on Sales Hub Professional or Enterprise.

Audience will not serve

Fix. LinkedIn contact audiences need at least 300 members. Check the matched size rather than the segment size, since the matched size is typically much lower, and widen the segment or switch to a company audience.

FAQ

Common questions

Three things. Lead Gen Form submissions come into HubSpot as contacts. Lifecycle stage changes go out to LinkedIn as Conversions API events. Contact and company segments go out as LinkedIn audiences. Each part has its own setup in HubSpot's Ads tool.

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