Testlio: Detailed Company Information & Corporate Profile

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Summary

Testlio is a remote‑based IT services and software development company founded in 2012, headquartered in the United States, and operating independently with a revenue range between $100 million and $500 million.

The firm specializes in comprehensive quality assurance solutions, offering software testing across functional, regression, usability, automation, localization, data compliance, livestream, video, and real‑device environments. Its portfolio includes mobile and web application testing, end‑to‑end and managed QA services, crowdsourced and structured exploration approaches, as well as test management software.

Testlio’s 200–500 employees include seasoned leaders such as COO & interim CEO Summer Weisberg, Vice President of Marketing Michael Stearns, Head of Global Revenue Operations R Walter, VP Payments Partnerships Eric Liebman, Director People & Culture Samantha Marsh, and VP Sales Americas Ross Trampler. The team also features QA specialists Jonathan Boschan, Miguel Ocegueda, Hossam Mohsen Yousef, Gideon Imobu; senior manager Joseph; software engineer Javier Briones; freelance testers Rodrigo Roque, Diogo Francklin, Manpreet Kaur; and Líder de testes Eduardo Almeida.

Testlio Websitetestlio.com
Social Links
facebooklinkedIntwitter
Phone Number(415)351-9576
Industries
Testlio Headquarters AddressRemote, US
Company Size200-500 employees
Specialities & Servicessoftware testing, quality assurance, mobile app testing, Usability Testing, Functional Testing, Automation Testing, Localization Testing, Livestream Testing, Data Compliance Testings, Structured Exploration Testing, Regression Testing, Managed QA Services, End-to-End Testing, Customer Experience Testings, Real Device Testing, Crowdsourced Testing, Test Management Software, Web App Testing, Mobile App Testing, Video Testing, QA Testing, Quality Engineering, Automated Testing, Test Automation
SIC Code7372
NAICS Code334614 Software and Other Prerecorded Compact Disc, Tape, and Record Reproducing, 511210 Software Publishers
DMA CodeSan Francisco Bay Area
Founded2012
Estimated Annual Revenue$100M - 500M
Operating StatusIndependent Company
Updated:2026-09-20

Competitors

Name
Founded
Type
Employees
2005Privately
Held
25 - 100
2011Privately
Held
250 - 500
2008Privately
Held
100 - 250
2008Privately
Held
25 - 100

Estimated Website Traffic

The chart shows a decline in traffic to the testlio.com website. In August, traffic decreased to 72564, compared to 77230 in the previous month. The highest traffic in 2026 was recorded in March, reaching 117729 visits.

Workforce Turnover

Number of employees switched from or switched to

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Total employee turnover

Departmental sample breakdown

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Turnover activity captured in SignalHire's departmental sample ( employees):

Length of Employment

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Testlio's workforce includes employees across a wide range of tenure levels.

2% have been with the company for less than 1 year8% have been with the company for 1 to 2 years31% have been with the company for 3 to 4 years33% have been with the company for 5 to 7 years16% have been with the company for 8 to 10 years10% have been with the company for more than 11 years

Former Employees: Role Changes

Role at Former Company
Role at New Company
Contact top employees from Testlio
Summer Weisberg
Summer WeisbergCOO & Interim CEO
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Michael Stearns
Michael StearnsVice President of Marketing
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R Walter
R WalterHead of Global Revenue Operations
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Eric Liebman
Eric LiebmanVice President, Head of Payments Partnerships
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Samantha Marsh
Samantha MarshDirector, People & Culture
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Jonathan Boschan
Jonathan BoschanQuality Assurance Specialist
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Joseph
JosephSenior Testing Manager
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Javier Briones
Javier BrionesSoftware QA Engineer
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Miguel Ocegueda
Miguel OceguedaQuality Assurance Specialist
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Ross Trampler
Ross TramplerVP of Sales, Americas
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Manpreet Kaur
Manpreet KaurFreelance Crowd Tester
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Gideon Imobu
Gideon ImobuQuality Assurance Tester
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Eduardo Almeida
Eduardo AlmeidaLíder de testes
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Ashish Vengurlekar CSM®
Ashish Vengurlekar CSM®Independent Consultant
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Nathali
NathaliQA Tester
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Prince Basten
Prince BastenQuality Assurance Freelance Tester
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Testlio Corporate Information: FAQ

Testlio operates in the IT Services, Software Development industries. More details can be found on the official website: testlio.com.
Testlio has offices located in Remote, US.
The headquarters of Testlio are located in Remote, United States.
The current CEO of Testlio is Steve Semelsberger
You can contact Testlio by phone at (415)351-9576.
Testlio currently employs 200-500 people.
Well-known competitors of Testlio include Neotys, a Tricentis company, Test IO, QMetry and PractiTest - Test Management.

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