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View IDEALondon's top competitors like Antler, Bethnal Green Ventures, and Entrepreneur First.

Antler
Antler is one of the most active early-stage investors globally. The firm leads in ‘Day Zero’ investing, an approach to venture capital focused on partnering with founders pre-launch. Antler systematically removes capital and network constraints for early-stage technology entrepreneurs by providing co-founder matching, deep business model validation, initial capital, expansion support, and follow-on funding. The firm is present in 27 cities across most leading technology ecosystems globally and has made over 1,300 investments into early-stage startups. Antler has been repeatedly recognized by Pitchbook as the world’s most active angel and seed-stage investor.
SG
Private
$39.5M Revenue
http://www.antler.co
1.5K Employees
Techstars
Techstars helps founders scale their startups into world-changing businesses. Founded in 2006, Techstars is on a mission to invest in startups to enable more capital to flow to more entrepreneurs around the world in order to deliver exceptional returns to our investors. We do this by operating accelerator programs and venture capital funds, as well as by connecting startups, investors, corporations, and cities to help build thriving startup communities. Our results show why Techstars is Better for Founders than any other global accelerator: On average, 74.5% of Techstars companies will raise money within 3 years of their program; 18.5% of Techstars portfolio companies have exited 5 years after their program and 31.1% after eight years. (PitchBook June 2023)
New York, US
Private
$169.1M Revenue
http://www.techstars.com
2.6K Employees
Entrepreneur First
Entrepreneur First invests in exceptional individuals to build startups from scratch. We bring together talented outliers to develop their most ambitious ideas and raise money from the world’s best investors. Since pioneering Talent Investing in 2014, we’ve learned to recognize individuals with extraordinary futures before anyone else, embedding them in a community of ambitious peers and giving them the tools they need to succeed, fast. We back them before they have a company, a team, even before they have an idea, based purely on talent. The startups cofounded on our programs are now worth over $10B, and include Tractable, Magic Pony Technology, Cleo, La Vie, Aztec, Sonantic, and many more. EF is backed by some of the world's leading founders and investors, including Patrick and John Collison (Stripe); Reid Hoffman (LinkedIn), Tom Blomfield (GoCardless and Monzo), Sara Clemens (Whatnot and Twitch); and Matt Mullenweg (Wordpress). We exist to make great companies happen that otherwise wouldn’t. For more information about Entrepreneur First, visit www.joinef.com We're hiring! Join our global team and experience firsthand the workings of a globally unique talent investor working with cutting edge entrepreneurs on world changing technologies: https://careers.joinef.com/
UK
Private
$25.4M Revenue
https://www.joinef.com/
890 Employees
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
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