We empower exceptional software experiences.

Testlio brings together a global freelance network, expert services, and an integrated platform to provide strategic software testing at scale. The world’s biggest companies and most innovative brands partner with us to release better products faster.


full-time employees


client tests executed


test runs completed


less than 3% of applicants are accepted into the network


tester languages


tester countries


devices covered, all around the world


vetted freelancers

Awards and Recognition

Leader, Software Testing

Inc. Best Workplaces

Leader, Automation Testing

Case studies

Leading Sports App Case Study

Leading Sports App Case Study

Our client, a top-15 sports app and website with multi-sport streaming, score updates, and news, increased their app store rating by 22% after partnering with Testlio.
SAP Concur Case Study

SAP Concur Case Study

Concur tripled their fixed issues since switching from their crowdsourced testing vendor to Testlio. See the difference between a network and a crowd of testers.
QSR Happy Path Testing Case Study

QSR Happy Path Testing Case Study

Creating confidence for a QSR feature rollout with significant revenue implications.

About Testlio

Testlio is the originator of networked testing. Our integrated testing platform, expert freelancers, and robust client services power smarter software testing. In any location. On any device. In any language.

Testlio clients include American Express, CBS, Microsoft, the NBA, Netflix, and SAP. Collectively, they have awarded us an industry-leading 4.7 G2 rating and an NPS of 75.

Meet our leaders

Kristel Kruustük
Co-Founder and Board Director


Marko Kruustük
Co-Founder and Board Director


Steve Semelsberger


Summer Weisberg
Chief Client Officer


Jaanus Ranniit
Chief Technology Officer


Emeka Obianwu
VP, Alliances and Acquisitions


Kerli Rungi
VP, Learning & Development


Michelle Surya
VP, Media & Entertainment


Kaspar Kikerpill
VP, Delivery Operations


Heldin Lind
VP, People & Culture


Asif Khan
VP, Finance


Meet some of our people

We power networked testing to enable human possibilities.

Our Purpose reflects why we exist. It drives our meaning and our identity. It is the essence of who we are.


Through our Platform, our Services, and our Network, we are an enabler. We equip. We activate. We energize.

Networked testing

We believe there is a smarter way to test software. That is why we created networked testing. It is a philosophy as well as a scalable set of practices tuned to deliver unparalleled quality assurance, quality engineering, and digital experiences.

Enable human possibilities

We open up new possibilities for our clients and their customers. Our employees work, earn, learn and grow. Our freelancers are respected and rewarded. Our investors prosper with us. Our community thrives through social impact programs like Ignite.

We imagine software experiences that energize the world.

Our Vision is what we see. It’s how we envision the impact that we make and the potential for our company as a whole.


Our ability to creatively see a new horizon is differentiating. We dream big. We see a bright and wonderful future.

Software experiences

At our core, we test software. All forms and types of software, from mobile apps and SaaS platforms to connected devices and virtual reality. The experience of that software by humans and machines is instrumental to all aspects of global society.

Energize the world

We are helping our clients develop the next generation of digital products that exceed our current sense of the possible. Beyond bug-free, we imagine fun, fast, friendly, exhilarating, intuitive, joyful, surprising, powerful software.

Our Values

With six values tethered to the employee experience and a sense of purpose that drives our day-to-day, Testlio is unstoppable in our quest to fuel amazing app experiences.


Give a damn

Care about what you do. Channel your passion. Be a self-starter. Deliver surprisingly great client experiences. Find ways to be hopeful, even when it’s hard.


Challenge things

Challenge more than yourself. Challenge systems, beliefs, and things that have become outdated. Be willing to fail, so that as you learn and grow, you can deliver exponential results.


Team is everything

Be humble, honest, authentic. Make others around you better. Practice generosity. Collaborate and communicate. Really get to know people you work with — including our clients.


Be kind

Help without being asked. Seek to understand first. Demonstrate compassion. Foster meaningful relationships. Be thoughtful and respectful. Show appreciation.


Make an impact

Every role matters to our collective success. Embrace empowerment. Prioritize important things. Push for meaningful results. Challenge the status quo. Seek to transform Testlio and our industry.


Foster inclusion

Strive to hire and collaborate with people of broad identities. Welcome people. Respect individual differences. Create opportunities for equity. Embrace alternative perspectives. Nurture feelings of belonging.


We are a globally distributed by design company. Our TestLions work in 35+ countries across the world and we embrace our Estonian origins with a physical hub in Tallinn. Our freelancers work in 150+ countries. Below are some of the places you can reach us.

Tallinn, Estonia

Testlio OÜ
Telliskivi 60-62, 10412
Tallinn, Estonia

Austin, Texas

Testlio, Inc.
8911 N Capital of Texas Hwy, Suite 4200 #1081
Austin, TX 78759

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