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Startup Talk
The people who built India's companies · November 2026

Fintech / discount stockbroking

Upstox

A proprietary trading firm turned its trading technology into a low-cost retail platform and was backed early by Ratan Tata.

Raghu Kumar
Raghu Kumar. Photograph: Tarun Krishna, CC BY 3.0, via Wikimedia Commons

In October 2024 Ratan Tata sold part of a stake he had bought eight years earlier, and Upstox said it had returned 23,000% on his original money. The number was so large it sounded like a typo.

It says something about how quietly Upstox was built. The company's parent, RKSV Securities, was founded around 2008 by Shrini Viswanath, Raghu Kumar and Ravi Kumar, and it did not start as a consumer brand at all. It was a proprietary trading firm, a business of people trading with their own systems. Retail customers came later, in 2012, when the team opened the same plumbing to ordinary investors.

It was a proprietary trading firm, a business of people trading with their own systems.

Founder interviews revealing childhood, family or early money trouble could not be found, so the honest part of this story is the business one. Kalaari Capital wrote an early $4 million cheque. Ratan Tata took a 1.33% stake in 2016. In 2019 Tiger Global bought around 31% of the company and later added more, putting in about $50 million across two rounds.

Then came the competitor everyone in Indian broking knows. Zerodha had already shown that low fees could win millions of accounts. Upstox had to lean on what it already owned: trading technology built for itself, and a brand tied to Tata's name.

That worked. Operating revenue crossed Rs 1,000 crore in FY23, up 44% from Rs 765.6 crore the year before, and the company reported its first profit, Rs 25 crore. Reported FY25 profit was around Rs 215 crore. It claims over 10 million customers and a last valuation of $3.5 billion.

The founders hold a large share still, reportedly around 36%, with Tiger Global at more than 38%, which means the people who started on a prop desk are now minority owners of the company they built, a trade-off every venture-backed founder makes.

What the record cannot give is the human part: the doubt, the late nights, the first customer. A founder reading this should notice that absence. Not every company leaves a trail of colourful anecdotes, and some are built by people who never told theirs. The Upstox lesson is structural: build for yourself first, in a hard business, and the customers can come later.

The Chronology year by year

  1. 2008
    • RKSV founded as proprietary trading firm
  2. 2012
    • Upstox retail brokerage
  3. 2016
    • Ratan Tata invests
  4. 2019
    • Tiger Global takes ~31% stake; FY23: revenue crosses Rs 1,000 Cr, first profit Rs 25 Cr
  5. 2024
    • Tata partially exits via buyback; 10M+ customers claimed

The Money Trail how it was funded

  1. Series A $4M (Kalaari Capital)
  2. 2016 Ratan Tata stake 1.33% (amount not disclosed)
  3. 2019 and 2021 Tiger Global ($50M across two rounds)
  4. valuation $3.5B

Principal backers: Kalaari Capital, Ratan Tata, Tiger Global

The Close Calls what nearly broke it

  • Competing with Zerodha on price in discount broking unverified; regulatory scrutiny of brokers unverified

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Startup Talk · Preview edition · Figures are from public sources and may be out of date