Sidecar Angels
SideCar Angels is an angel investment group based in Somerville, Massachusetts. The organization focuses on supporting early-stage companies by syndicating capital from accredited investors. It often invests alongside top-tier angel groups and venture capital firms, providing additional funding after initial diligence has been completed by lead investors. The group operates using a “sidecar” model, which allows it to follow lead investors into deals rather than conducting all diligence independently. SideCar Angels specializes in sectors such as biotechnology, healthcare, software, mobile, e-
Investing activity
Sidecar Angels appears in 1 AI deal tracked by the AI Lounge deals desk. The rounds are mostly Seed, with a median round size of $5M. The most recent is BRANDRANK.AI (Seed, $5.1M, Jul 2026).
Sidecar Angels most often invests alongside QCA Ventures, Grit Capital Partners, Tech Square Ventures and John Costello, and the companies it backs on AI Lounge are mostly in AI.
Deals
Frequently asked questions about Sidecar Angels
What AI companies has Sidecar Angels invested in?
Sidecar Angels's AI investments include BRANDRANK.AI. The 1 round on AI Lounge are listed on this page with amounts, dates and co-investors.
Where is Sidecar Angels based?
Sidecar Angels is based in Somerville, Massachusetts, United States.
What stage does Sidecar Angels invest at?
In the rounds tracked on AI Lounge, Sidecar Angels has invested at Seed, with a median round of $5M.
Who does Sidecar Angels co-invest with?
Sidecar Angels's most frequent co-investors on AI Lounge are QCA Ventures (1 deal), Grit Capital Partners (1 deal), Tech Square Ventures (1 deal), John Costello (1 deal) and John Pepper (1 deal).
How can founders reach Sidecar Angels?
Founders on AI Lounge can see Sidecar Angels'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 Sidecar Angels to their Investor Pipeline to track the conversation.