About us

P
FLB is for Performance

PFLB is an experienced company of performance engineers with over 15 years of involvement in complex load testing projects worldwide. Our diverse team specializes in application performance testing, performance optimization, hardware sizing, code review, and test data management.
In addition to service offering we provide a cloud-based performance testing platform. This platform is designed for testing websites, applications, APIs, and gRPC, providing you with a reliable and efficient solution for your performance testing requirements.

15+

years of team experience

50+

performance testing projects a year

99%

project success rate

What we do

We offer an excellent testing tool and provide a range of performance services tailored to your specific needs.
Whether your situation requires a simple testing approach or a more complex one, we always prioritize your business requirements.
Furthermore, we are committed to providing continuous support throughout your projects, drawing upon our extensive expertise in the field.

PFLB PFLB Platform

Experience the power of our cloud-based performance testing tool, designed to ensure your website or app can handle the load before it goes live.
Learn more about the platform

PFLB PFLB Services

Our experienced performance engineers take on projects to assess whether your website or application can withstand the expected load.
Let us know about your needs
We can give you an access to the platform, we can provide multiple services, we can do all of it if the situation needs a far more complex approach.
Get a quote You’ll hear back from our tech account manager in one day if not sooner
Who we really are
We value each team member’s unique perspective and energy, fostering an environment that encourages creativity and innovation. Together, we strive to exceed expectations and deliver impactful solutions that drive your business forward.

Meet the key people of our team

At PFLB, we believe that technologies are valuable tools, but it is the people who make the real difference.

Our team is not just a collective of professionals; we are a group of passionate individuals driven by enthusiasm, curiosity, and a genuine eagerness to explore new ideas.

Vik
Vik

Product manager Cloud

Boris
Boris

Product manager Enterprise

Yuri
Yuri

CEO

Vale
Vale

Senior back-end developer

Alima
Alima

Project manager & Scrum master

Vik
Vik

Product manager Cloud

Boris
Boris

Product manager Enterprise

Yuri
Yuri

CEO

Vale
Vale

Senior back-end developer

Alima
Alima

Project manager & Scrum master

What we believe in
We believe in the importance of delivering superior technical execution for your ideas and recognize the critical need for optimal performance in your product.
Performance oriented approach
We believe in integrating performance testing as a key part of the development philosophy and providing assistance in implementing this approach.
Technology at the service of people
We understand that navigating through numerous technologies can be challenging, and it’s not feasible to be experts in all of them.

Our focus lies in assessing software performance, utilizing our extensive knowledge base to optimize the efficiency of your system.
Shared knowledge
Our blog is an award-winning resource for performance engineering.

Don’t just take our word for it, explore it yourself and witness its value firsthand.
Article
2 min read
PFLB Rated Number One in Goodfirms
Jul 20, 2021

We are happy to share great news: PFLB was rated number one in Goodfirms rating among Software Performance Testing companies. The rating is based on reviews and evaluation by members of international IT and business society. We are the first among Load testers, too!

Article
1 min read
PFLB Is among Top QA and Software Testing Сompanies​
Apr 7, 2021

PFLB is a software & QA testing company that has proved its worth by delivering upscale testing solutions to clients across the globe.

Article
2 min read
PFLB is Proud to Be Listed a Top QA Partner by Clutch
Aug 25, 2020

At PFLB, we know that 2020 was a strenuous year for project completion for companies across the globe. That is why we are here to lend a helping hand as a high QA services company. For over a decade, we have been helping enterprise companies with their testing needs. With over 350 skilled in-house professionals, […]

Find even more

Let us know about your needs
Get all the tech expertise and industry knowledge for boosting your performance.
Get a quote You’ll hear back from our tech account manager in one day if not sooner.
Why we’re good at what we’re doing
Years of experience
With a solid foundation in performance testing projects dating back to 2008, we have amassed extensive expertise.

Over the years, we have successfully collaborated with startups, as well as large enterprises operating on mainframes, demonstrating our versatility and depth of knowledge in delivering successful outcomes.
Focused expertise
Our dedication lies in specializing solely in performance testing, setting us apart from traditional QA companies.

By narrowing our focus, we delve deep into the intricacies of performance testing, acquiring a comprehensive understanding of its nuances.
Reputation for reliability
PFLB is highly regarded among executives in leading business hubs including New York, Silicon Valley, London, and Zurich.

We have earned a reputation for reliability and dependability, ensuring that our clients can trust us to deliver exceptional results.
Who we work with
PFLB serves a wide range of companies, from small to large enterprises, whose business relies on software.
The diverse and challenging tasks entrusted to us have driven us to expand our capabilities and deliver exceptional results in these domains.
Expertise
Thanks to their trust and collaboration, we have gained expertise in various areas, including Oil and Gas, E-Commerce, Retail, Insurance, Banking, Fintech, Healthcare, Gaming, Entertainment, Software, Education, Edtech, Media, and Sports.
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Fintech
Software
Insurance
Healthcare
Communication services
Media and telecom
Fintech Yaroslav Medox

I was highly satisfied with the service provided by PFLB. The bank’s number of users doubled after M&A, so our internet bank’s performance degraded. PFLB did an awesome job helping us find and resolve performance bottlenecks during a comprehensive load testing project.

Yaroslav Medox
CIO at Bank ZENIT
Fintech
Software Evgeny Nasonov

PFLB’s performance testing was instrumental in resolving all performance issues pre-launch. Their seamless collaboration, skilled team, and timely delivery are commendable.

Evgeny Nasonov
COO at Diffco US, Inc
Software
Insurance Our client

PFLB conducted extensive load testing on our software, simulating high user loads to evaluate performance, identify bottlenecks, and optimize the system’s responsiveness. Finally, they provided actionable recommendations to improve scalability and optimize resource utilization.

Our client
Insurance company
Insurance
Healthcare Pankaj Mor

PFLB’s rapid load testing was a lifesaver on our tight launch deadline. Their expertise ensured our site could handle high sales seamlessly. Highly recommended!

Pankaj Mor
Tynor’s Chief Information Officer
Healthcare
Communication services Our client

PFLB’s load testing expertise played a critical role in uncovering performance limitations and bottlenecks in our educational platform project. Their meticulous approach and ability to adapt the testing methodology led to valuable insights, ensuring informed decisions for the project’s future development.

Our client
Communication services company
Communication services
Media and telecom Our client

PFLB’s expertise in Wi-Fi load testing for in-flight entertainment systems proved invaluable. Their innovative approach and problem-solving skills led to the discovery of critical issues, ensuring passenger satisfaction and avoiding reputational harm.

Our client
Media company
Media and telecom
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Get a quote You’ll hear back from our tech account manager in one day if not sooner.