Pi Labs
Pi Labs is an early-stage venture capital firm located in London, UK, founded in 2014 by Faisal Butt. The firm specializes in proptech, making it Europe's first venture capital focused on this sector. Pi Labs aims to support founders who are innovating in the real estate, construction, and urban living industries, addressing challenges related to sustainability and the traditional nature of these fields. The firm provides strategic funding, mentorship, and access to a global network to help early-stage companies scale their solutions. Since its inception, Pi Labs has made around 100 investmen
Investing activity
Pi Labs appears in 3 AI deals tracked by the AI Lounge deals desk, and led 1 of them. The rounds are mostly Seed and Pre-seed, with a median round size of $6M and the largest at $7M. The most recent are Pathways (Seed, $6M, Oct 2026), Veridue (Pre-seed, $4M, Sep 2026) and VerbaFlo (Seed, $7M, Mar 2026).
Pi Labs most often invests alongside Sorenson Capital (Sorenson Ventures), Blue Lion, Heidelberg Materials and Positive Ventures, and the companies it backs on AI Lounge are mostly in AI.
Deals
Frequently asked questions about Pi Labs
What AI companies has Pi Labs invested in?
Pi Labs's AI investments include Pathways, Veridue and VerbaFlo. The 3 rounds on AI Lounge are listed on this page with amounts, dates and co-investors.
Where is Pi Labs based?
Pi Labs is based in London, England, United Kingdom.
What stage does Pi Labs invest at?
In the rounds tracked on AI Lounge, Pi Labs has invested at Seed and Pre-seed, with a median round of $6M. Pi Labs led 1 of those rounds.
Who does Pi Labs co-invest with?
Pi Labs's most frequent co-investors on AI Lounge are Sorenson Capital (Sorenson Ventures) (1 deal), Blue Lion (1 deal), Heidelberg Materials (1 deal), Positive Ventures (1 deal) and Titan Ventures (1 deal).
How can founders reach Pi Labs?
Founders on AI Lounge can see Pi Labs's contact details in AI Investor Contacts (paid plans), check for a warm introduction through members who worked with the firm under Warm Paths, and add Pi Labs to their Investor Pipeline to track the conversation.