60. Asan Cup

Solving period poverty worldwide, as well as the environmental impact of menstrual products, is a big undertaking but Asan Cup is making huge headway.

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Founder: Ira Guha
Year founded: 2020
Website: asancup.com

Ira Guha has achieved incredible things since launching the Asan Cup, a menstrual cup which is making huge inroads into ending period poverty worldwide. The issue sees women and girls who cannot afford period products, such as pads and tampons, forced to rely on unhygienic methods (such as old rags). This not only puts them at risk of infection but also forces them to miss school and work, impacting them – and wider society – economically.

Also featuring in last year’s Startups 100, we have watched as Asan Cup has tripled its revenue. But Guha is most proud of the fact that 70% of cups sold in the past year reached women and girls from underserved communities.

“These include 30,000 cups distributed to farming communities in rural South India, and over 8,000 cups distributed by nonprofit partners in Malawi and Zanzibar,” she says.

Key to the product’s success has been encouraging behaviour change, not least because traditional menstrual products are 90% plastic and this is having a catastrophic impact on the environment. In contrast, the Asan Cup is plastic-free and can be re-used for 10 years.

“Behaviour change is made even more challenging due to the strong taboos around periods, which are not openly discussed in many regions where Asan operates,” says Guha. Instead, the East of England-based founder has deployed a peer-to-peer education model. She explains, “when we try to convince UK university students to adopt Asan Cups, we work with local student groups and student TikTok creators.

“Similarly, when we sell wholesale to a textile factory in India, we get the female line managers, local nurses and health workers to try the cups first, and then educate others.”

Asan now has educational resources in 14 languages and has seen a 90% adoption rate of the cups among women who receive them. Guha plans to reach two million low-income women by 2030, and prevent five billion plastic pads and tampons from ending up in landfills. It’s a mission statement with both compassion and innovation at its core.

View the full Startups 100 Index for 2026

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Written by:
Helena is Deputy Editor at Startups. She oversees all news and supporting content on Startups, and is also the author of the weekly Startups email newsletter, delivering must-know SME updates straight to their inbox. From interviewing Wetherspoon's boss Tim Martin to spotting data-led working from home trends, her insight has been featured by major trade publications including the ICAEW, and news outlets like the BBC, ITV News, Daily Express, and HuffPost UK. With a background in PR and marketing, Helena is particularly passionate about giving early-stage startups a platform to boost their brands. That's one reason she manages the Startups 100 Index, our annual ranking of new UK businesses.
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