revnu
Backed by Y CombinatorFind data labeling buyers

Sell to data labeling companies that are scaling their workforce.

Revnu finds data labeling and annotation companies by size, funding and the roles they're hiring, and reaches the founder or operations leader in your voice.

  • Labeling, annotation and AI training data companies by size and funding.
  • Hiring signals that show who is adding annotators and experts.
  • The founder or operations leader at each, with a verified work email.

No contract. Cancel anytime.

Start for $99/month
revnu.com

How Do You Want to Grow Today?

Leads, content, your schedule, just say the word.

Idea for this week: there are 82 US data labeling and annotation companies with 10 to 1,000 people. I'd run LinkedIn ads to the founder or an operations leader at each, then email the best 8. Want me to set it up?
This week’s planProposed by Revnu
List 82 companies82 found
LinkedIn ads to each Co-founder & CEO4 ads drafted
Email the best 88 drafts to review
Let’s do it
Message Revnu…
Revnunow#growthIdea for this week: there are 82 US data labeling and annotation companies with 10 to 1,000 people. I'd run LinkedIn ads to the founder or an operations leader at each, then email the best 8. Want me to set it up?
“only growth tool i've found that actually gets me customers”
Daniil Bekirov, founder of Sparkles.dev

Trusted by teams at

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Running a business like this?

Questions

Which data labeling companies does it cover?

Training data, RLHF, expert annotation, data operations and AI evaluation companies, from small specialist shops to large managed workforces. You say which; Revnu filters and ranks by fit.

Who does it contact?

The founder at smaller companies. At larger ones, the head of operations, delivery or workforce, picked for what you sell and checked against their role.

How do I start finding Data labeling buyers with Revnu?

Sign up at revnu.com/sign-up, give Revnu your website and tell it you sell to these companies. It builds the list, finds the right person at each and drafts the first email for you to approve. revnu.com/docs/find-leads explains how it finds and checks each company, and revnu.com/docs/get-started covers your first day.

How many companies like this can Revnu find?

82 US data labeling and annotation companies with 10 to 1,000 people matched this search on November 8, 2026. Revnu narrows them to the ones that fit who buys from you, and ranks them by a reason to reach out now.

Are the companies in the demo real?

Yes. The companies, counts, funding and headquarters are a dated snapshot of the data Revnu searches: company, funding, job-post and people data from third-party providers, plus the public web. The people and companies in the buyers example are made up, because we don't publish real people's contact details.

Does Revnu send anything without me?

Only what you allow. Three steps, in order. First, your first sequence waits for you to read and approve it. Then Settings > Agent > What Needs Your Approval decides: on Pro, a new sequence starts on its own and its steps send without asking each time, while one-off emails, LinkedIn invites and LinkedIn messages ask first. Switch any of them either way. And whatever you set, replies to prospects, spend, budgets, booking links and new inboxes always wait for your yes.

How fast does it start?

Revnu prepares its first piece of work, such as a list of buyers or a blog draft, within minutes of starting. Email from your own Gmail or Outlook can go out the same day; new sending inboxes Revnu buys warm up first, which takes days to weeks.

What does it cost?

Pro is $99 a month, with no minimum term, and you can cancel from billing settings. Sending domains, inboxes and lead data are included. Ad spend is billed by the ad platforms to your own accounts. If you want Revnu's team to run it with you, Managed is priced on a call.

Today 9:41 AM

hey what's going on?
found 12 companies hiring their first sales rep this week. want me to reach out?
let's do it
🙏

Read 9:41 AM

9:41
Revnu

1-Minute Setup

You build.
We grow.

Connect your tools. Wake up to ads scaled, posts ranking, leads queued, churn won back. Pings you a message when something actually moves.