Estonian-founded Plural leads $8.3M round for US-based Arcjet

Estonian-founded venture capital fund Plural led a $8.3M Series A round for US cybersecurity company Arcjet. Other participants in the round included Ott Kaukver (former CTO of Twilio & Checkout.com) and existing investors Andreessen Horowitz, Seedcamp, Jeff Lawson (former CEO of Twilio) and Feross Aboukhadijeh (CEO of Socket). 

Arcjet is a startup that develops a security platform to protect applications from various risks. Some of the company's services include protection against spam or fraudulent registrations, blocking unwanted bots, and preventing abuse of application programming interfaces. Arcjet was founded by David Mytton in 2023 in the United States.

Founded in 2022 by Estonian entrepreneurs Sten Tamkivi, Taavet Hinrikus, Ian Hogarth, and Khaled Helioui, Plural focuses on leading early-stage rounds between €1M and €10M. In 2023, a new partner, AI-driven biotech HelixNano founder, and VC investor Carina Namih joined Plural. The fund has its own rule that requires all of Plural's partners to make personal co-investments in the deals they lead.

Andreessen Horowitz is an American private venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz. The company invests in early-stage startups and established growth companies. Its investments span the healthcare, consumer services, cryptocurrency, gaming, fintech, education, and enterprise technology sectors.

Seedcamp is a venture capital fund that specializes in investing in startups in the early stages of their development. It was founded in 2007 in London, UK, by a group of 30 European investors.