BrowserStack was founded by IIT Bombay graduates Ritesh Arora and Nakul Aggarwal in 2011 to simplify cross-browser and device testing.
Discover how IIT Bombay graduates Ritesh Arora and Nakul Aggarwal built BrowserStack into a profitable global SaaS company transforming software testing.
Written by TFN Research Desk | covering startups, technology, venture capital, and business strategy
Quick Facts
| Founders | Ritesh Arora, Nakul Aggarwal |
| Education | Both founders – B.Tech Computer Science, IIT Bombay (2006) |
| Prior Ventures | Ritesh Arora – Co-Founder, QuarkBase.com and Downcase.com; Software Developer, Lime Labs LLC |
| Role | Co-Founder and CEO, BrowserStack (Ritesh Arora); Co-Founder and CTO (Nakul Aggarwal) |
| Founded | 2011 |
| Sector | Software Testing SaaS |
Introduction
Ritesh Arora and Nakul Aggarwal, roommates at IIT Bombay who had already tried and failed at two earlier startups together, were building a website for their consulting business, Downcase, when a routine task turned into their next big idea. (Buildd) Nakul built the site in two days, but testing it across different browsers and operating systems proved so tedious it slowed the whole team down. (BrowserStack) That frustration, and the discovery that virtually every developer shared it, became BrowserStack, founded in 2011. (BrowserStack) Fifteen years later, the company remains one of India’s most durable SaaS success stories, profitable every year since its founding. (ValueForStartups)
The BrowserStack Story
Before founding BrowserStack, Arora and Aggarwal had already attempted entrepreneurship twice: first with a sentiment-analysis venture during their final year at IIT Bombay, and then with QuarkBase.com, before eventually landing on Downcase, their consulting practice. (Buildd) It was while testing Downcase’s own website that the two ran into the cross-browser compatibility problem that would define their next company. (Wikipedia)
Rather than build a large product from the outset, the founders released a beta version after just four months of development, focused narrowly on letting developers test websites on Internet Explorer. (Wikipedia) That beta attracted roughly 10,000 users almost immediately, validating the idea before the founders had even built a commercial product. (Wikipedia) When they did launch commercially, BrowserStack turned profitable within just six months, an unusually fast path to sustainability for a venture-backed SaaS company. (DNA India)
From there, the company expanded steadily: partnering with Microsoft’s Internet Explorer team in 2012, adding mobile testing for Android and iOS in 2015, and opening international offices in San Francisco and Dublin in 2016. (SeedToScale) BrowserStack became a unicorn in 2021 following a $200 million Series B round from Accel, Bond, and Insight Partners, reaching a $4 billion valuation. (DNA India) Along the way, the company has also grown through acquisitions, including visual testing platform Percy in 2020, and later Bird Eats Bug and Requestly. (SeedToScale; SkandGroup) In April 2025, the founders donated ₹100 crore to their alma mater, IIT Bombay, to fund campus infrastructure improvements. (YourStory)
Business Model
BrowserStack earns revenue through tiered SaaS subscriptions for its cloud-based testing infrastructure:
| Revenue Stream | How It Works |
|---|---|
| Live testing | Subscription access to real devices and browsers for manual testing |
| Automate and App Automate | Automated testing infrastructure for CI/CD pipelines |
| Percy (visual testing) | Add-on subscription for automated visual regression testing |
| Enterprise plans | Higher-tier plans for large organizations with dedicated infrastructure needs |
(Sourced from ValueForStartups)
Funding History
| Round | Year | Amount | Key Investors |
|---|---|---|---|
| Series A | Jan 2018 | Undisclosed | Accel |
| Series B | Jun 2021 | $200 million | Bond, Accel, Insight Partners ($4B valuation, unicorn round) |
(Sourced from Tracxn and CB Insights)
BrowserStack has raised a comparatively modest $250-253 million across its lifetime, reaching a $4 billion valuation in 2021, though more recent investor reporting places the company’s valuation closer to $1.5 billion amid the broader recalibration of late-stage SaaS multiples. (ValueForStartups) The company is widely regarded as pre-IPO stage, having never needed to raise the large sums many peers required to reach scale. (ValueForStartups)
Revenue and Growth
| Metric | FY22 | 2024 (est.) |
|---|---|---|
| Revenue | ₹418.4 crore (~$50M) | ~$381.4 million |
| Profitability | Profitable | Profitable (14th consecutive year) |
(Sourced from DNA India and ValueForStartups)
Notably, BrowserStack has now served over 50,000 customers, including Microsoft, Airbnb, Google, and Twitter, and operates more than 2 million tests a day across 19 global data centers, all while maintaining profitability every year since inception, a rare feat among venture-backed SaaS companies of its scale. (SkandGroup; Venture Linkup)
BrowserStack vs Competitors
BrowserStack competes with Sauce Labs, LambdaTest, and Perfecto in the cloud-based software testing space. (ValueForStartups) Its early and sustained profitability has given it more strategic flexibility than many venture-backed rivals, allowing the founders to grow deliberately rather than chase valuation markers through aggressive fundraising.
Key Takeaways
- Ritesh Arora and Nakul Aggarwal founded BrowserStack in 2011 after struggling to test their own consulting website across browsers and devices.
- The company turned profitable within six months of its commercial launch and has remained profitable every year since, 14 consecutive years as of 2024.
- BrowserStack became a unicorn in 2021 at a $4 billion valuation following a $200 million Series B round, having raised only about $250-253 million in total.
- The company serves over 50,000 customers, including Microsoft, Airbnb, and Google, running more than 2 million tests daily.
- BrowserStack competes with Sauce Labs, LambdaTest, and Perfecto in the cloud-based software testing market.
FAQs
Who founded BrowserStack?
Ritesh Arora and Nakul Aggarwal, both IIT Bombay graduates, founded BrowserStack in 2011.
Is BrowserStack profitable?
Yes, it has been profitable every year since inception, including 14 consecutive profitable years as of 2024.
How much funding has BrowserStack raised?
Approximately $250-253 million, reaching a $4 billion valuation in 2021.
Who are BrowserStack’s competitors?
Sauce Labs, LambdaTest, and Perfecto in cloud-based software testing.
© The Founder Nation | Written by TFN Research Desk
