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Companies using Lessonly

As of 14 October 2026, Firmable tracks 668 companies across 13 countries running Lessonly. See who they are, and who to call.

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Companies using Lessonly

Showing 5 of 668 companies

Finvi

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

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

Decision makers · 110 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

VP Platform Engineering MobileEmail
Senior Director Contact Platform MobileEmail

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

New Chief Executive Officer appointed · 30 Sep 2026

Finvi is hosting an upcoming webinar titled AI: Convenient for Who? on October 14, discussing AI compliance and risk in collections. · 2 Oct 2026

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Heidi

heidihealth.com · Computer software · 251–500 employees

Last seen 16 Aug 2026 The most recent date Firmable detected Lessonly at this company.

Decision makers · 131 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Head of Engineering MobileEmail
Head of Platform MobileEmail

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

Moved into Engineering Lead · 31 Aug 2026

Heidi announced closing its Series C funding round and opened over 80 global roles across engineering, product, and design. · 28 Sep 2026

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EDA

edadata.com · Marketing and advertising services · 51–250 employees

Last seen 18 Aug 2026 The most recent date Firmable detected Lessonly at this company.

Decision makers · 4 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Vice President of Operations MobileEmail
Founder MobileEmail

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

Hiring: Head of Corporate FP&A · 3 Sep 2026

Hiring: Sr. Digital Account Manager · 23 Sep 2026

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GI Partners

gipartners.com · Investment management · 51–250 employees

Last seen 22 Aug 2026 The most recent date Firmable detected Lessonly at this company.

Decision makers · 76 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Vice President of Data Center Development MobileEmail
Managing Director & Head of Software MobileEmail

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

GI Partners LLP invests into assets: 5.43-acre development site in the amount of $14.7M in Phoenix, Arizona, United States, Northern America, Americas. · 29 Sep 2026

GI Partners LLP expanded facilities to Phoenix, Arizona, United States, Northern America, Americas on Sep 1st '26. · 1 Sep 2026

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Underground Printing

undergroundshirts.com · Printing and publishing services · 51–250 employees

Last seen 22 Aug 2026 The most recent date Firmable detected Lessonly at this company.

Decision makers · 44 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Director of Information Technology MobileEmail
Director Of Operations MobileEmail

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

Hiring: Manufacturing Operations Manager · 19 Sep 2026

Hiring: Production Manager - 2nd Shift · 19 Aug 2026

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Who uses Lessonly

A breakdown of the 668 companies running Lessonly.

Top industries

Information technology and services241
Financial services97
Professional and business services80
Industrial and manufacturing39
Health and wellness31
Education and training27
Hospitality and travel20
Media and telecommunications20

No industry recorded: 24

Company size

1–1024 (4%)
11–5046 (7%)
51–250156 (24%)
251–500122 (19%)
501–1,00080 (12%)
1,001–5,000148 (23%)
5,001–10,00025 (4%)
10,001+42 (7%)

Share of companies with a recorded size, by employees.

No size recorded: 25

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Frequently asked questions

About the Lessonly data on this page.

How many companies use Lessonly?

Firmable holds confirmed Lessonly detections for 668 distinct companies, 78 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.

Which companies use Lessonly?

Finvi, Heidi and GI Partners are among the most prominent in the current set.

What industries use Lessonly?

Information technology and services, financial services and professional and business services lead the set, across 19 industries in total.

What size companies use Lessonly?

Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.

Where are Lessonly users based?

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

How current is this data?

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

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