Serge Chiaramonte
About Serge Chiaramonte
Serge Chiaramonte is an angel investor based in London. Public profiles describe a finance career before angel investing. He worked as an investment banker at Credit Suisse, Lehman Brothers and Deutsche Bank, and he holds an MBA from HEC Lausanne School of Business.
His LinkedIn headline describes him as an early-stage tech investor and advisor. Aggregator profiles date his angel investing to January 2018, and Tracxn dates his start-up activity to 2017. PitchBook lists him as a past advisor to Luther Systems.
Crunchbase lists 57 investments and 49 portfolio companies for him. Other databases count differently: PitchBook shows 26 investments and Tracxn shows 48 portfolio companies. Treat any single total as approximate.
Several companies he backed have been acquired. Monolith AI was acquired by CoreWeave, and he said in a LinkedIn post that he was part of its journey from day one. Capdesk was acquired by Carta, and Credit Kudos and Dishpatch are also listed as exits. He regularly congratulates portfolio companies on LinkedIn, including selections for Tech Nation programmes and the WIRED UK Hottest 10 Startups in London.
The Lounge deals desk lists Perceptic's $12M seed round in May 2026. Perceptic is a London-based company building an AI platform for drug discovery and development. It was founded by former Palantir executives. Yahoo Finance reports that Accel led the round, with Air Street Capital and Elder Gull also taking part. Crunchbase lists Chiaramonte as a non-lead investor in the round.
Earlier AI-related investments include Monolith AI, which builds AI tools for engineers. Tracxn also lists StackOne, a unified API company for SaaS integrations, as a March 2024 seed investment.
Chiaramonte describes his focus on LinkedIn as early-stage tech companies with ambitious impact founders, focused and scalable products, and strong global market opportunities. Aggregator profiles list pre-seed, seed and Series A stages. They list sectors including AI, fintech, SaaS, e-commerce, climate tech, education and wellness. Tracxn shows investments mainly in the United Kingdom and France.
On check size, a Founders Forum guide says his typical initial ticket is £25k to £50k. Aggregator sites list a broader range of $10K to $500K. He does not appear to publish a check size on his own profile.
- Perceptic: AI platform for drug discovery and development; seed round announced May 2026.
- Monolith AI: AI software for engineers; early backer, acquired by CoreWeave.
- StackOne: unified APIs for SaaS integrations; seed round in 2024.
- Capdesk: cap table and equity management platform; acquired by Carta.
- Credit Kudos: open banking credit scoring; listed as an exit.
- qomodo: seed round in November 2023, per Tracxn.
- Plum Fintech: listed as a seed investment.
- Humanising Autonomy: listed among his investments by PitchBook.
- crunchbase.com/person/serge-chiaramonte-4825
- crunchbase.com/organization/perceptic-technologies-limited
- finance.yahoo.com/sectors/healthcare/articles/exclusive-perceptic-star
- linkedin.com/in/serge-chiaramonte-63151418
- ff.co/how-to-find-angel-investors
- pitchbook.com/profiles/investor/226557-46
- tracxn.com/d/people/serge-chiaramonte/__nc_gPgn78BqIlrLLDP93VzawrdXSTE
- startupfundraising.com/investors/serge-chiaramonte-2666a4
Investing activity
Serge Chiaramonte appears in 1 AI deal tracked by the Lounge deals desk, rounds totalling $12M. The rounds are mostly Seed, with a median round size of $12M. The most recent is Perceptic (Seed, $12M, May 2026).
Serge Chiaramonte most often invests alongside Accel, Outlier Grove, Elder Gull and Air Street Capital, and the companies they back on Lounge are mostly in AI.
Deals
Frequently asked questions about Serge Chiaramonte
Who is Serge Chiaramonte?
He is a London-based angel investor in early-stage tech companies. Before angel investing he worked in banking at Credit Suisse, Lehman Brothers and Deutsche Bank.
What check size does Serge Chiaramonte write?
A Founders Forum guide gives a typical initial ticket of £25k to £50k. Aggregator sites list $10K to $500K. He has not published a check size on his own profiles.
What stage does Serge Chiaramonte invest in?
Public profiles list pre-seed, seed and Series A. His recent deals, such as Perceptic's $12M seed round, are seed rounds.
Has Serge Chiaramonte invested in AI companies?
Yes. He invested in Perceptic's seed round in May 2026 and was an early investor in Monolith AI, which CoreWeave acquired.
What does Serge Chiaramonte look for in founders?
His LinkedIn says he looks for ambitious impact founders, focused and scalable products, and strong global market opportunities.
Where can founders find Serge Chiaramonte online?
He has a LinkedIn profile at linkedin.com/in/serge-chiaramonte-63151418. We did not find a personal website or X account.
Is Serge Chiaramonte an angel investor?
Yes. Serge Chiaramonte invests personally as an angel.
What AI companies has Serge Chiaramonte invested in?
Serge Chiaramonte's AI investments include Perceptic. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does Serge Chiaramonte invest at?
In the rounds tracked on Lounge, Serge Chiaramonte has invested at Seed, with a median round of $12M.
Who does Serge Chiaramonte co-invest with?
Serge Chiaramonte's most frequent co-investors on Lounge are Accel (1 deal), Outlier Grove (1 deal), Elder Gull (1 deal) and Air Street Capital (1 deal).