What Does Testlio Do?

Total employees793
HeadquartersAustin
Founded2012

Testlio is a global software testing company that combines a network of expert testers with an integrated platform to help businesses deliver high-quality digital products and exceptional customer experiences. They specialize in providing flexible, on-demand QA solutions, including functional, usability, localization, and automated testing, catering to agile development cycles and diverse industry needs. Testlio empowers companies to release better products faster by leveraging real-world testing insights from skilled professionals worldwide.

Where Is Testlio's Headquarters?

Testlio officeTestlio officeTestlio officeTestlio office
*Images sourced via web search. Rights belong to original owners

HQ Function

Serves as a key operational hub, focusing on client relations, sales, marketing, and strategic leadership for the Americas market.

Notable Features:

Located in The Domain, a vibrant mixed-use urban center, offering access to modern amenities and a dynamic environment. Specific internal office features are not widely publicized.

Work Culture:

Collaborative, innovative, and client-focused. While Testlio embraces a remote-first approach globally, the Austin office provides a hub for in-person teamwork and engagement for local employees.

HQ Significance:

Strategic location in Austin's prominent tech hub, facilitating access to talent, investment, industry partners, and a large segment of the US market. Supports global operations and leadership functions.

Values Reflected in HQ: Reflects agility and connection to the tech ecosystem through its modern setting. Supports collaboration and provides a physical touchpoint for a company that champions distributed work.

Location:

Testlio operates with a global mindset, supporting clients worldwide through its distributed team and an extensive international network of over 10,000 vetted professional testers spanning across more than 150 countries. While it has key office hubs in Austin (USA) and Tallinn (Estonia), its operational model is built for global service delivery, enabling 24/7 testing capabilities and localized insights for diverse markets.

Street Address:

11801 Domain Blvd, 3rd Floor

City:

Austin

State/Province:

TX

Country:

USA

Where Else Does Testlio Operate Around the World?

Tallinn, Harjumaa, Estonia

Address: Pärnu mnt 10, 10148 Tallinn, Estonia

Leverages Estonia's advanced digital infrastructure and strong tech talent pool for core platform innovation and development. Key center for Testlio's European market engagement and global service delivery coordination.

Buying Intent Signals for Testlio

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading Testlio? Meet the Executive Team

As of April 2025, Testlio' leadership includes:

Steve Semelsberger - Chief Executive Officer
Kristel Kruustük - Founder & Chief Testing Advocate
Marko Kruustük - Founder & Chief of Engineering
Michelle Surya - Chief Operating Officer
Summer Weisberg - Chief Client Officer
Emna G上llab - Chief Product and Technology Officer
Helena Jeret-Mäe - Chief People & Culture Officer

Who's Investing in Testlio?

Testlio has been backed by several prominent investors over the years, including:

Altos Ventures
Vertex Ventures US
Techstars
AngelPad
Funderbeam
Passion Capital
Borealis Ventures

What Leadership Changes Has Testlio Seen Recently?

Hire1
Exits0

Testlio has focused on strengthening its leadership, with notable appointments enhancing its strategic capabilities. In the past 12-15 months, a key hire was made in People & Culture. No major executive departures were publicly announced during this period.

New Appointments:

Helena Jeret-Mäe, Helena Jeret-Mäe joined Testlio as Chief People & Culture Officer to spearhead people operations, talent development, and company culture initiatives globally.

What Technology (Tech Stack) Is Used byTestlio?

Discover the tools Testlio uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Testlio Email Formats and Examples

Testlio primarily utilizes standardized email formats for its employees, commonly combining first name and last name, or just the first name. Understanding these patterns can be helpful for professional communication.

first.last@testlio.com or first@testlio.com

Format

jane.doe@testlio.com

Example

90%

Success rate

What's the Latest News About Testlio?

Testlio BlogMay 8, 2024

Testlio Introduces AI Co-pilot to Streamline Test Case Generation

Testlio announced the launch of its new AI-powered co-pilot designed to assist QA teams in generating comprehensive and effective test cases more efficiently, leveraging artificial intelligence to improve testing workflows....more

Testlio BlogFebruary 21, 2024

Testlio Reports Record Growth and Service Expansion for 2023

Testlio shared its achievements from 2023, highlighting significant revenue growth, an expansion of its global tester network, and the introduction of new specialized testing services to meet evolving client demands....more

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