About Us

PFLB is for
Performance

PFLB helps organizations ship scalable software. Headquartered in California, we combine a load testing AI product with on demand performance testing and benchmarking services for ecommerce, utilities, healthcare, and SaaS.
Regional offices in London and Singapore let us work with clients around the world.

15+
years of team
experience
50+
projects per
year
99%
project success
rate

What We Do

We offer an AI-powered load testing platform and provide a range of
performance testing services

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.

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.

Yuri
CEO
Boris
Principal performance
engineer
Vik
Product manager
Cloud
Andrew
Senior back-end
developer
Alima
Project manager & Scrum
master

Let Us Know
About Your Needs

We can provide multiple performance testing services and a lot more than that if the situation needs a far more complex approach. You’ll hear back from our tech account manager in one day if not sooner

Talk to Sales

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.

Why We’re Good at What
We’re Doing

We specialize exclusively in performance testing, delivering deep expertise and reliable results for startups and enterprises worldwide.

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 Skilled Proven

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.

Why We’re Good at What
We’re Doing

We specialize exclusively in performance testing,
delivering deep expertise and reliable results for
startups and enterprises worldwide.

Years of experience

With a solid foundation in performance testing projects dating back to 2008, we have amassed extensive expertise.

Focused Skilled Proven

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.

Partners in Expertise.
Results Across Industries.

PFLB works with companies of all sizes, from startups to global enterprises, whose business relies on software. Thanks to their trust and collaboration, we’ve built strong expertise and consistently deliver exceptional results across diverse domains.

PFLB Client’s Review

Testimonials from satisfied clients across various industries.

Rating: 5 out of 5 stars
I was highly satisfied working with PFLB. They're a fantastic one-stop shop for software performance, with everything you need—their platform and skilled engineers. I've used them three times to load test the College Board software before big updates, and it all went smoothly. Plus, I love that they store all the testing data, so we can track performance capacity over time.
Rating: 5 out of 5 stars
It was a pleasure working with PFLB, and I'd recommend them for performance testing. They quickly got up to speed with our complex software architecture and were super productive in setting up our load test environment in the cloud. They were really dedicated to improving our product with their strong expertise in performance optimization.
Rating: 5 out of 5 stars
PFLB was willing to work with a very small solopreneur without an enormous investment in capital. Their prices were reasonable and provided me with notable improvements to my php performance.
Rating: 5 out of 5 stars
PFLB did benchmarking tests on our database storage engine under standard and uncommon conditions, using specialized tools. Their analysis gave us valuable insights and recommendations to boost our product's performance. I highly recommend PFLB to anyone looking for an expert performance testing company.
Rating: 5 out of 5 stars
We smoothly moved over 30 JMeter projects to PFLB, and it's been a total game changer. It's given our team of 50+ remote performance engineers the ability to handle large-scale load tests every day with real ease.
Rating: 5 out of 5 stars
PFLB's testing team helped us successfully complete the FDA regulations with a great test coverage for the computer system validation (CSV) process at Illumina. I highly recommend Yuri Kovalov and his team—they're top-notch professionals in performance and load testing.
Rating: 5 out of 5 stars
PFLB has been Tinder's load testing provider for over 5 years, and it is a true pleasure working with them. They managed the entire performance engineering process for our app releases, helping us fix tons of performance issues. I highly recommend PFLB as a reliable vendor.