OverviewSuggest Edit

Testlio is a company that develops an end-to-end app testing management platform designed to connect enterprises with testers. It offers full testing, integration, reporting, functional testing, and localization services. The company also provides AR/VR, accessibility, regression, usability, and other testing solutions.

HQPalo Alto, CA, US
Employee Ratings4.9

Latest Updates

Employees (est.) (Sept 2021)321(+9%)
Cybersecurity ratingBMore

Key People/Management at Testlio

Steve Semelsberger

Steve Semelsberger

Kristel Kruustük

Kristel Kruustük

Founder & Chief Testing Officer
Marko Kruustük

Marko Kruustük

Founder & COO
Michelle Surya

Michelle Surya

VP, Media & Entertainment
Summer Weisberg

Summer Weisberg

Chief Client Officer
Jaanus Ranniit

Jaanus Ranniit

Chief Technology Officer
Show more

Testlio Office Locations

Testlio has offices in Palo Alto and Tallinn
Palo Alto, CA, US (HQ)
345 California Ave
Tallinn, EE
Telliskivi 60
Show all (2)

Testlio Financials and Metrics

Summary Metrics

Founding Date


Testlio total Funding

$7.5 m

Testlio latest funding size

$6.3 m

Time since last funding

5 years ago

Testlio investors

Testlio's latest funding round in April 2016 was reported to be $6.3 m. In total, Testlio has raised $7.5 m
Show all financial metrics

Testlio Operating Metrics

Testlio's Users was reported to be 1 b in Sep, 2019.
Sep, 2019


1 b

Software Applications

72.08 k

Issues Fixed

47.29 k


Show all operating metrics

Testlio Acquisitions / Subsidiaries

Company NameDateDeal Size
Testilo OÜ

Testlio Cybersecurity Score

Cybersecurity ratingPremium dataset



SecurityScorecard logo

Testlio Online and Social Media Presence

Embed Graph

Testlio News and Updates

How Kristel Kruustük turned a passion for testing apps into a big business

When Kristel Kruustük finished high school in Estonia, she went to London and became a waitress. Her friends turned her on to the tech scene, and she decided to go back to school to study software development. Kruustük fell in love with software testing and started her own company, Testlio, testing …

Testlio Blogs

What the Epic v. Apple ruling means for your in-app payments

After the closure of the influential Epic v. Apple trial, a California judge has ordered Apple to immediately remove its anti-steering rules, which barred app developers from offering payment methods…

How to choose an app testing partner to scale your QA

You have likely identified a need to scale or improve your current software testing approach. But questions remain. Do you hire in-house testers? Do your engineers need to shift left…

What is Crowdsourced Testing?

How many active apps are on the market? Somewhere in the 2-3 million range, if you check the Apple App Store or Google Play. To compete with existing apps, you…

Testlio 3.3 Empowers Freelance Software Testers

New Platform Features Include Profiles, Groups, and Ratings September 1, 2021 — Testlio, the originator of networked testing, today announced version 3.3 of its Platform. Testlio 3.3 introduces multiple new…

Five best practices for how to test payment gateway functionality

Errors in payment gateway functionality have enormous potential to derail the relationship between consumer and vendor. Customers expect seamless, functional transactions without confusing messages or complicated steps. They expect security,

How to create a collaborative QA strategy with collective testing

If you’re reading this, chances are your organization is already aware of the additional management effort, devices, and testers required to ensure quality QA through software testing.   You’re likely not…
Show more

Testlio Frequently Asked Questions

  • When was Testlio founded?

    Testlio was founded in 2012.

  • Who are Testlio key executives?

    Testlio's key executives are Steve Semelsberger, Kristel Kruustük and Marko Kruustük.

  • How many employees does Testlio have?

    Testlio has 321 employees.

  • Who are Testlio competitors?

    Competitors of Testlio include SmartBear Software, Applause and test IO.

  • Where is Testlio headquarters?

    Testlio headquarters is located at 345 California Ave, Palo Alto.

  • Where are Testlio offices?

    Testlio has offices in Palo Alto and Tallinn.

  • How many offices does Testlio have?

    Testlio has 2 offices.