Organization · Venture Capital
Chalfen Ventures
Chalfen Ventures is a London-based solo venture capital firm founded by Mike Chalfen in 2018. The firm focuses on early-stage software startups targeting unconventional markets.
Overview
What Chalfen Ventures does
What Chalfen Ventures is
Chalfen Ventures is a London-based solo venture capital firm founded by Mike Chalfen in 2018. The firm focuses on early-stage software startups targeting unconventional markets.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Venture Capital
- Founded
- Founded in 2018
- Approximate age
- About 8 years
- Structured capabilities
- Funder
- Last reviewed
- March 27, 2026
Official channels
Find Chalfen Ventures elsewhere
Open the official website or a supported primary organization account.
Capability profile
Chalfen Ventures as a funder
Investment thesis
Chalfen Ventures backs software founders aiming to build and dominate new and often unconventional markets, operating flexibly as a lead or co-investor.
Focus narrative
Chalfen Ventures invests in early-stage software and data businesses, seeking companies with strong fundamentals that can achieve significant economic success over time. The firm is particularly interested in startups that aim to grow in unconventional markets.
Value beyond capital
Chalfen Ventures provides high-touch support to its portfolio companies, leveraging Mike Chalfen's extensive network and experience in the European seed ecosystem to help startups navigate their growth journeys.
Terms and economics
- Typical check
- $1,000,000–$10,000,000
- Sweet spot
- $5,000,000
Focus and fit
- Stages
- Pre-seed · Seed · Series A
- Regions
- EuropeUnited Kingdom
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded notable exits
- Illumio, King.com, Snyk, and Tipalti
Portfolio context
Notable portfolio companies include Bridebook (wedding planning), Crossbeam (partner ecosystem), General Index (commodities data), Lokalise (localization platform), and Tray.ai (workflow automation). Recent investments include Stackfix (£2.4M Seed), Translucent (£5M Seed), and Sedna ($10M Series A).
Common questions
What to know about Chalfen Ventures
Upseed classifies Chalfen Ventures under the Venture Capital organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
March 27, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.