Product release: ICP builder

Did your ICP just get its own room?
We’re previewing a feature before it goes live next week. Because this one changes how you define your market.
For years, defining your ICP has meant starting with a list.
Build the target accounts.
Upload the spreadsheet.
Enrich.
Filter.
Hope it’s right.
Your ICP became your list.
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But most lists aren’t TAM definitions.
They’re named accounts.
Sales priorities.
Partial snapshots of who you think can buy.
And when pipeline anxiety is real, guessing your TAM isn’t good enough.
So we rebuilt ICP builder.
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What this actually is
This release includes three major upgrades:
- A new ICP building experience
- The ability to define ICP without a required target account list
- ICP as a trigger for segmentation and ad audiences

Your ICP is now logic, not a spreadsheet
You no longer need a target account list to define your ICP.
Lists still work.
But they’re optional filter types.
Not dependencies.
Vector Target’s new ICP builder lets you define your ideal customer without a target account list, estimate TAM size upfront, and activate ICP-driven ad audiences at scale.
You can define ICP using:
- Industry
- Company size
- Department
- Seniority
- Job title
- Intent
Or any combination.
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You’re no longer narrowing from a pre-built list.
You’re defining your market across the full dataset.
So yes.
So much room for activities.
You can finally see how big your ICP is
Before this release, ICP definition was murky.
Build it.
Save it.
Activate it.
Find out later if it was too small.
Now, while building your ICP, you can estimate its size.

This matters.
Because ICP is now the highest-level limiter across:
- Filters
- Triggers
- Reporting
- Ad audiences
It defines your TAM inside the system.
Early guidance:
Low hundreds of thousands? Small.
Low millions? Healthy.
~1% match rate in visitor feed? Probably too narrow.
The goal isn’t surgical precision at this layer.
It’s coverage.
Define wide. Activate narrow.
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ICP as a trigger
This isn’t just UI polish.
Your ICP can now directly power:
- Segment creation
- Audience pushes to ad platforms
Important nuance:
ICP definitions aren’t capped.
Direct ad pushes are currently limited to 500,000 contacts (increasing soon).
So you define broadly.
Then refine for activation.
This is especially powerful for:
Google, where intent is already baked in.
LinkedIn air cover campaigns.
High-funnel market shaping.
You’re not limited to people who already visited your site.
You can define who should see you.
How we’re using it
Our Demand Gen Lead, Kelly Arndt, ran a simple experiment.
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Start with a theme: U.S. FinTech.
Build a 10,000-account lookalike set based on signals that actually matter:
Companies hiring demand or growth roles.
Companies running digital ads.
Other GTM maturity indicators.
Then bring that list into the ICP builder.
Not to upload and maintain.
Not to waterfall enrich.
Just use it as a filter.
Vector identified the ICP within that list.
Materialized it quickly.
Turned it into an activation-ready segment.
Company names + domains → ICP → LinkedIn-ready audience.
Within minutes, Kelly:
Synced it.
Filtered out customers and trial users.
Launched.
No research sprint.
No spreadsheet gymnastics.
No manual validation.
Vector didn’t replace account sourcing.
It replaced everything that used to happen after.
Before launch: how to prepare
This shift is technical.
But it’s also conceptual.
Here’s what to do next.
Revisit your ICP definition
Ask:
Is this a true TAM definition?
Or a named account list?
Is it artificially narrow?
Does it reflect who could buy or who sales prioritized?
Your ICP should now be wide.
You’ll see the size estimate while building.
Use it.
Separate TAM from campaign slices
Your ICP is your top-level market definition.
Your segments are campaign logic.
Example:
ICP = US FinTech, 200–5,000 employees, director+
Segment = ICP + hiring growth roles + high intent + exclude customers
Define wide.
Activate narrow.
Rethink your relationship with lists
Lists are still useful.
But they’re inputs.
Not definitions.
You can now define ICP across the full dataset.
Without relying on a spreadsheet.
Your ICP finally has its own room.
And your house just got bigger.
If you have questions before the launch, email solutions@vector.co.
Ad targeting
doesn't have to be
a guessing game.
Turn your contact-level insights into ready-to-run ad audiences.
