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Companies using Stacker

As of 14 October 2026, Firmable tracks 262 companies across 13 countries running Stacker. See who they are, and who to call.

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Companies using Stacker

Showing 5 of 262 companies

The Sunrise Project

sunriseproject.org.au · Environmental and conservation groups · 51–250 employees · 4 web properties observed

Last seen 11 Oct 2026 The most recent date Firmable detected Stacker at this company.

Decision makers · 40 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Director of Finance MobileEmail
Head of Finance MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

New Head of Technology joined · 31 Aug 2026

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pave

pave.com · Computer software · 251–500 employees · 1 web property observed

Last seen 11 Oct 2026 The most recent date Firmable detected Stacker at this company.

Decision makers · 65 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Global Head of Support Engineering and Product Support MobileEmail
Director of Engineering MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

Pave hosted its Total Rewards Live summit, convening compensation leaders to discuss AI workforce pricing, equity, and compensation data. · 7 Oct 2026

Pave successfully hosted their TRL 2026 event in San Francisco, featuring live demos of Pave Agent. · 7 Oct 2026

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InterWorks

interworks.com · Data analytics or artificial intelligence · 251–500 employees · 1 web property observed

Last seen 11 Oct 2026 The most recent date Firmable detected Stacker at this company.

Decision makers · 58 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Global Director of AI Solutions MobileEmail
Senior Director, IT Services MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

Moved into Services Lead, APAC · 31 Jul 2026

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Sydecar

sydecar.io · Accounting and auditing services · 51–250 employees · 1 web property observed

Last seen 13 Oct 2026 The most recent date Firmable detected Stacker at this company.

Decision makers · 33 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Chief Technology Officer MobileEmail
Head Of Engineering MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

Moved into Chief Technology Officer · 15 Sep 2026

New Chief Technology Officer appointed · 15 Sep 2026

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Speedinvest

speedinvest.com · Accounting and auditing services · 51–250 employees · 1 web property observed

Last seen 10 Oct 2026 The most recent date Firmable detected Stacker at this company.

Decision makers · 2 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

None on file

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Signals Recent events at this company, such as a leadership change, funding or a new office.

Speedinvest invested into Fasset Group $68M in Series C on Aug 24th '26. · 24 Aug 2026

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Who uses Stacker

A breakdown of the 262 companies running Stacker.

Top industries

Professional and business services45
Information technology and services37
Industrial and manufacturing34
Financial services21
Construction and building15
Education and training15
Art, sports and recreation14
Transport12

No industry recorded: 16

Company size

1–1041 (18%)
11–5059 (26%)
51–25049 (21%)
251–50014 (6%)
501–1,0008 (3%)
1,001–5,00021 (9%)
5,001–10,00014 (6%)
10,001+25 (11%)

Share of companies with a recorded size, by employees.

No size recorded: 31

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Frequently asked questions

About the Stacker data on this page.

How many companies use Stacker?

Firmable holds confirmed Stacker detections for 262 distinct companies, 164 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.

Which companies use Stacker?

The Sunrise Project, Sydecar and Speedinvest are among the most prominent in the current set.

What industries use Stacker?

Professional and business services, information technology and services and industrial and manufacturing lead the set, across 17 industries in total.

What size companies use Stacker?

Adoption concentrates in the 11-50 employee band, across the companies whose size is recorded.

Where are Stacker users based?

The United States, Australia, Canada and the Philippines account for most detections, across 13 countries.

How current is this data?

164 companies were confirmed in the last 90 days. Last detection 13 October 2026.

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