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Free Tool · Account Overlap Check

Find Your Overlap With Any Partner in Two Minutes

Upload two account lists and the matching engine behind Airstride finds every account you share. No signup, no card, no call with sales, and uploads are deleted within seven days.

app.airstride.ai/tools/account-overlap
your-accounts.csv1,842 accountspartner-accounts.csv2,310 accounts
216Shared accounts12% of your list overlapsMatching complete
  • Acme LtdACME, Inc.Exact
  • Northwind TradingNorthwind Trading CoProbable
  • globex.comGlobex CorporationExact
Showing 3 of 216 matches
2 minFrom two uploads to your first overlap count
FreeNo account, no card, no conversation required
0Spreadsheets emailed. Your partner adds their list through a private link
7 daysThe longest an uploaded list stays on our servers
The Problem

The First Account Map With a New Partner Is the Worst One

It happens in a spreadsheet, it takes weeks, and it’s stale before anyone acts on it.

Matching

VLOOKUP Can’t Read Company Names

“Intl Business Machines” and “IBM” are the same account, but no formula agrees. So someone scans two thousand rows by eye and still misses the pairs that matter.

Trust

Someone Has to Send Their List First

A raw customer list in an email thread makes legal wince, and partners know it. So the file sits unsent for a fortnight and the mapping never starts.

Speed

The Answer Shows Up After the Moment

By the time both sides finish comparing, the QBR has passed and the champion changed jobs. A map you waited three weeks for answers last month’s question.

How It Works

Two Lists In, One Report Out

The matching engine that runs inside Airstride, pointed at a pair of CSV files.

01

Add Both Lists

Export accounts from your CRM and upload the file. Your partner adds theirs the same way, or through a private link if you’d rather not handle their data at all.

02

Matching Runs

Company names and domains are normalised, and every pair is sorted into exact and probable matches. Naming quirks that break a formula, like legal suffixes and trading names, are handled for you.

03

Read the Report

The overlap count and the full matched list appear on screen as soon as matching finishes. No email address stands between you and the answer.

Questions

Before You Upload

What teams ask before they run their first check.

Ask us directly

No. The check runs without a signup and the full result shows on screen. Nobody asks for your email on the way in or on the way out.

Free Account Overlap Check

Find Out What the Two of You Are Sitting On

Two lists, about two minutes, one report. If the overlap looks like pipeline, Airstride can keep the map fresh straight from your CRM.