Arãya Sie Fund invests in Zonova’s £2.1M seed round led by Thena Capital to transform infection prevention in medical devices.
The funding will accelerate Zonova’s commercialisation strategy as it partners with global medical device manufacturers to embed its proprietary Z-ROS® antimicrobial technology into high-volume medical devices.

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Lemrock, a Paris-based DeepTech startup building the infrastructure for agentic commerce, today announced a €6 million ($7 million) funding round to accelerate the deployment of its agentic commerce solution. The round was led by Galion.exe, an early-stage VC fund. Jean-Baptiste Rudelle, the founder of Criteo.

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Arãya Ventures, founded by Rupa Popat and Sie Ventures, founded by Triin Linamagi have partnered to launch the Arãya Sie Fund, announcing a £7.5m first close to back female founders building in AI, deeptech, fintech, healthcare and sustainability.

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We’re proud to continue working with Marriott Harrison (our trusted legal partner), HSBC Innovation Banking (our experienced banking partner) and welcome Price Forbes (our established insurance partner) ahead of our Spring programs, kicking off on 23rd March.

We are very intentional with who we bring onboard to support Sie and our founders and we’re very excited to be working with such committed organisations! Thank you for making our programs possible.

We’re very excited to share our investment into Biographica’s £7m seed round, led by Faber and joined by SuperSeed, Cardumen Capital,The Helm, EQT Foundation amongst other existing investors and angels.

Biographica is using AI and machine learning to dramatically accelerate crop improvement - helping seed companies identify high-value genetic targets for traits like yield, resilience and nutrition far faster than traditional R&D.

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We’re excited to announce our investment into Emm’s $9M (£6.8 million) Seed round, led by Lunar Ventures and joined by Alumni Ventures and Labcorp Venture Fund.

Emm has developed a smart menstrual cup made from medical-grade silicone and embedded with ultra-thin sensor technology to track reproductive and menstrual insights, think of it as an Oura Ring for menstrual health.

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We are excited to back Fit Collective, led by Sie Catalyst VI founder Phoebe Gormley, in their £3M Pre-seed.

Fit Collective is building an AI co-pilot for fashion brands analysing data on returns, fabric behaviour, and sales before a single garment is made. The result? Less waste, higher margins, and clothes that finally fit real people, not just sample sizes.

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LegalOn Technologies, a global leader in legal AI, has completed the acquisition of Fides Technology, a governance and entity management software firm backed by Sequoia Capital. Fides Technologies is Portfolio company of Sie Ventures.

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Prenostics, a company we invested in applies technology to detect the earliest stages of cancer, long before any other method can diagnose cancer today. Sarah is also ilved in ‘LungVax’ Project, a new vaccine developed by University of Oxford and UCL to prevent lung cancer.

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Our portfolio company SpaceDOTS close a $1.5M seed round (led by Female Founders Fund) to expand their UK & US teams and advance their mission: building the SKY-I platform to detect and interpret orbital threats, helping spacecraft operators protect missions and infrastructure.

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We’re thrilled to announce our investment in OKKO Healthed by Topcon Healthcare, a global leader in ophthalmic med‑tech and digital health.
We’re proud to co‑invest alongside Bayer, Dieter von Holtzbrinck Ventures, Lavender Ventures, Deuce Capital, and an incredible network of angels.
OKKO’s digital vision tests, delivered as puzzle games, provide quantifiable data on visual function and serve as a safety net for patients at risk of macular disease.

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We are very excited to share that Sie Ventures has won Accelerator of the Year Award by UKBAA. It was only last year when we were awarded the Angel Group of the Year Award.
We are truly honoured and grateful for the support and recognition from the UK ecosystem.
Our female founders have collectively raised over £200M with our support. They continue to inspire us, and we’re not stopping here!

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We have launched a new program: Sie Foundations and we continue running Sie Catalyst: two distinct but connected programs that meet founders where they are and help them move forward with clarity, confidence, and the right support at the right time.

Whether you’re just getting started with fundraising or gearing up for a round, here’s how these programs are designed to work together.

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The British Business Bank has committed £7 million to a new platform enabling it to invest alongside five of the UK’s promising and emerging angel syndicates, facilitated by Haatch.

Sie Ventures are proud to be one of only two female-led angel groups participating in this landmark initiative.

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Sie Ventures kicks off  Catalyst VI Cohort with a remarkable group of FinTech, DeepTech, Sustainability, Future of Work, and B2B SaaS founders.

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Sie Ventures Catalyst V alumni, Elena Churilova and Lina Saleh—founders of Cino— close €3.5m seed round led by Balderton Capital alongside Connect Ventures, Tera Ventures, APX and Sie Ventures.
Cino cracks bill-splitting at the moment of payment, raises seed round

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We are collaborating with Amazon Web Services (AWS) in the UK to run an exclusive 2-day in-person Impact Bootcamp, on November 4th & 5th in London, crafted specifically for diverse founding teams planning to raise at pre-seed or seed stage.

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We are thrilled to introduce the Sie Catalyst Cohort V and our Catalyst Program Partners for the 2024/2025 term - Marriott Harrison, HSBC Innovation Banking, Cooper Parry and British Business Bank

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We’re thrilled to announce we have been selected as the winner of the Angel Group of the Year at UKABAA Investment Awards 2024! This award recognises the most active and impactful angel investors group in the UK, making not only a significant number of investments in the companies during the past year, but bringing strong added value to support the growth and success of the companies.

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Felicia von Reden, co-founder of Ovom Care, participated in Sie Ventures’ fourth Catalyst program in Autumn 2023 and recently announced their €4.8M Seed round, after meeting through Sie Ventures’ Catalyst Program. Ananda Impact Ventures invested in Ovom’s Seed Round.

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For the past four years, the Sie Ventures team, alongside our network of VCs and Angels, has spearheaded Catalyst, our flagship fundraising program for diverse founding teams. Collectively, Sie Founders have raised an impressive £114M. Now, we’re thrilled to introduce Catalyst V! Here’s a breakdown of our criteria and what to anticipate during the application process.

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Fashion — and its supply chain — is the largest polluting industry after food and construction. By Rotation is a global social network for peer-to-peer rental, providing its community with access to premium items at affordable prices. Sie Ventures is excited to invest in By Rotation and support Eshita and the team on their mission to challenge and transform overconsumption habits.

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At Sie Ventures, we’re levelling the playing field by backing diverse founding teams and founders who are building companies solving world’s most pressing problems. We invest alongside our network of angel investors and family offices, as well as run programs, providing better access to network, education, capital and support.

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Sie Ventures has created an expansive European FemTech market map including key findings, shaped by data collected from over 540 active femtech companies at various stages from pre-seed up to IPO.

Enter your details below to receive your copy of the report.

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On March 19th, we hosted our second Sie Raise Summit in London ~ a one-day event entirely dedicated to demystifying the fundraising process. We selected 20 exceptional founders to attend various sessions filled with expert insights, unfiltered discussions and valuable networking opportunities with top tier investors.

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Sie Ventures is excited to invest in Shellworks and support the team on their journey to build a more sustainable future for the packaging industry. Shellworks is a producer of Vivomer — the material of the future — made and unmade by microbes. Their vision is to break the reliance on the petroleum industry by building a new standard of packaging that is performant, cost-competitive, and truly sustainable.

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Are you a non-technical founder looking for your technical co-founder? Join AWS and Sie Ventures for an educational morning, discussing the common pitfalls and mistakes encountered by founders on the search and why a technical co-founder can be the difference between receiving venture capital or not.

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Despite persisting sluggish deal activity, the VC activity around generative AI has been strong. We we are thrilled to announce our first AI investment into Fifth Dimension AI (5D AI), which raised £2.3M led by Seedcamp.

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We're delighted to announce our latest investment into Anansi. Co-founders Megan & Ana joined our first cohort in 2021 and we've been incredibly impressed by their growth to date. They are already solving this huge problem in the UK, with European and US expansion on the road-map next. We can't wait to support you on this journey!

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We kicked off our fourth Sie Catalyst Program in September with 11 exceptional companies across UK and Europe. We were also joined by the formidable Michelle Kennedy, Founder & CEO of Peanut who shared her learnings on fundraising, hiring, culture and building Peanut.

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We're delighted to share more about our latest investment into Jude - most notably that they are first movers, creating the bladder care category and serving the 2.3 billion bladder suffers globally. Jude raised $4.24m, led by Eka Ventures.

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We co-hosted a discussion with Marriott Harrison and HSBC Innovation Banking on Term Sheets. We discussed key market trends and benchmarks so that founders are better equipped with the industry standard and to help combat the asymmetry of information between founders and investors.

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Space DOTS is on a mission to disrupt the $18bn Space R&D and Testing market to ensure more effectiveness in the advanced materials used to build products deployed into space, while reducing debris in space. Find out more about our investment in SpaceDOTS

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Sie Catalyst Cohort III portfolio company Re-Fresh Global raises €1.1 million in pre-seed round to transform discarded clothing/textiles into new raw materials including nanocellulose, bioethanol, and multifunctional fibers, the investment will further R&D activities.

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150+ angels in the Sie Syndicate Angel Network are actively co-investing in Europe’s most promising female-led startups.

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Our trusted partners, SVB UK rebrand to HSBC Innovation Banking. SVB UK have been an integral part of the UK startup community, acting as a trusted partner and providing unwavering support to thousands of startups in the UK venture ecosystem.

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We have officially opened applications to Sie Catalyst IV, kicking off in September 2023. More than half of our last cohort closed rounds during the program, despite tough market conditions, with the remainder in the process of closing now.

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Our portfolio company Your Juno is partnering with Wealthify to continue helping women and non-binary people gain financial confidence.

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Sie Raise Summit is designed to demystify the fundraising process. Our goal is to provide equal access to capital and network and set you up for success in raising your next round.

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We sat down with Fran Spooner — Partner at Marriott Harrison, valued partner of Sie Ventures — to discuss what founders should be prepared for as they go out to fundraise in 2023.

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Founded by the founding team of Wise and ex-banking executives, Grünfin has set out to make sustainable investing into a values-based portfolio, simple and accessible, for anyone able to invest from 100€ per month. Read more about why we invested in Estonian based Grünfin,

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Our founding partner, Triin Linamagi and Jelena Zec from Citi Ventures, valued partners of our latest program discuss why both the tech industry and the world could benefit from funding more diverse teams, particularly women and what can we do to change the landscape.

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"if banks and other financial service providers catered for women at the same rate as they do to men, they could generate an additional $700bn global in annual revenue". One of many statistics in this interview with our founding partner, Triin Linamagi that highlight the opportunities in backing diverse founding teams.

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We wrapped up our third Catalyst Program - designed to drive more cheques to female founders, make fundraising less painful and unlock access to Venture Capital. A key part of our program is to pair VCs and founders who work together over three months. We wanted to share our learnings with you.

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Rosaly is creating a solution that boosts financial wellbeing of employees while increasing employee commitment and reducing financial stress in an underserved market. Read why we invested in Rosaly, how we helped her to find a lead investor and diversify the cap table.

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KetoSwiss AG led by Dr. Elena Gross has secured $4M funding round to propel their R&D and expand to US market. KetoSwiss is developing a new therapeutic product mitigating neurological diseases such as migraines and brain aging. Elena started Ketoswiss having suffered from chronic migraines herself and now their on track to help many others.

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Muse (Cohort II), SME financial services app has raised $20m (£17m) in a debt facility round to continue its growth in the UK and expand its offerings abroad. Muse Finance provides various financial services for small businesses, including loans along with cash flow and invoice management tools.

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Sie Ventures aims to plug the shortfall in venture capital for women-led businesses and give backers better access to founding teams from diverse backgrounds. Find out more about us from Financial Times.

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Sie does not only exist to drive capital to female founders but to democratise early-stage investing and attract more women to the world of venture funding. Find out more from our interview with Business Insider.

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Excited to announce that our Cohort I company iLoF has closed a $5M round to accelerate personalised drug discovery. iLoF is developing a platform that creates improved access to personalised medicine for millions of people around the world living with complex diseases.

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It’s turbulent times for startups raising capital right now and Sie Ventures is even more committed supporting founders navigating their way through it.

We hosted a session in partnership with Silicon Valley Bank discussing the current funding landscape and how the economy and public markets are impacting the venture capital market.

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Sie Ventures Catalyst Program Launches Third Cohort to Level the Playing Field for Female Founders Across Europe. The program is supported by Silicon Valley Bank, AWS, Citi Ventures, Marriott Harrison.

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With over $30 trillion in wealth transfer occurring over the next decade, women will soon control more than half the world’s wealth and they’ll want to know the best ways to invest it. Find out why we invested in Juno

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Meet our Cohort I founder Meghan Bingham-Walker from Anansi whose goal is to modernise insurtech. Megan shares her journey on building a company in the insurtech industry and provides an insight into the lessons and challenges she's faced on her fundraising journey.

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Apryl raises €4.1 Million to bring fertility benefits to the workplace. Massive congrats to Jenny Saft and Tobias Kaufhold from apryl on closing their Seed round. Starting a family should be a right – not a privilege.

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Really excited to announce that Annelise Hillmann and Nick Bunn from Frontman (Sie Cohort I) have closed a $1.2M seed to redefine male grooming. Read More →

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Excited to have collaborated with Citi on their latest report on women entrepreneurship, and share why we need to invest in more female led businesses.

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We are beyond excited to join the journey with Margot de Broglie and Alexia de Broglie from Your Juno alongside our angel investors at Sie Ventures to close the gender gap in financial education, and make it more inclusive and accessible.

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SPOKE, one of Sie Cohort I companies has closed $1.5M led by Ada Ventures. Spoke brings together the seemingly opposing worlds of music culture and mental health.

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Our Cohort I company Break The Love founded by Trisha Goyal has secured $2.5M in funding to democratise access to recreational tennis. The round is led by Lake Nona, an early-stage VC primarily backed by the Dassler family of Adidas fame and Joe Lewis.

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Meet our Cohort I founder Siran Cao from Mirza who is on a mission to “change the math” for caregiving. Siran shares her journey on what led her to build Mirza, experiences of raising both in the UK and the US, and the valuable lessons she learned throughout her fundraising journey.

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Margot and Alexia de Broglie from Sie Cohort II have launched a new 'financial literacy' app for women — and they're already looking to go global. They quit their jobs to build 'The Duolingo of finance" with a mission to tackle the gender financial literacy and confidence gap.

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Jove is an InsurTech company that was part of Sie Cohort I. We're seeing the new wave of women-led insurtechs, with Jove building a bundle of “fit for purpose” insurance products for drivers, freelancers, and consultants that's embedded into marketplaces and apps to make coverage automatic.

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Sie Cohort I company Anansi raised £1.5M seed funding led by Octopus Ventures. Anansi is an automated insurance platform enabling customers to get coverage and receive claims directly into their bank accounts via open banking.

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We launched the Sie Capital Platform to drive more capital towards female founders and in our first 6 months our first cohort’s already raised over £10M. And the best part is… we’re only getting started.

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Our Cohort I company Yuty has secured £500k in pre-seed funding. With Black female founders receiving just 0.02% of VC funding in the UK, it’s only the 10th business in the UK launched by a Black female founder to gain VC backing, according to the founder.

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Less than 2% of global venture funding goes to female-led businesses, however, female-led businesses outperform those led by an all-male team by 250%. Sie Co-Founder Nicole Velho talks to BFP about diversity in Venture Capital.

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The number of early stage deals, and the amount of capital invested at an early stage in Europe, is declining, data shows. Our Co-Founder Nicole Velho talks with Sifted about early stage investing in Europe and what can be improved.

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Sie Co-Founder Triin Linamagi was recognised as one of the UK’s top fifty most inspirational women in technology by AccelerateHer, announced in the Financial Times.

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Miruna Girtu from Syndicate Room who is also Venture Community Member at Sie is interviewing investors for Forbes: the 33 questions asked from early stage founders. Here’s how to prepare for the toughest questions..

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Sie Co- Founder Triin Linamagi had an opportunity to speak with Zoraida Sambolin, an Emmy winning journalist and co-anchor of NBC 5 News about female entrepreneurs, and the importance of the support and network to access capital.

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It is now 2022 and, still, less than 2% of global venture funding goes to female-led businesses. However, female-led businesses across the board have generated 250% greater returns per dollar invested, compared to those led by an all-male team.

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