Arches Capital
Investing activity
Arches Capital appears in 2 AI deals tracked by the Lounge deals desk, and led 1 of them. The rounds are mostly Seed, with a median round size of $7M. The most recent are Promptwatch (Seed, $6.8M (EUR 6.0M), Jul 2026) and HousApp (Seed, $4.9M (EUR 4.3M), Jul 2026).
Arches Capital most often invests alongside seed + speed Ventures, Blum Ventures and Antler, and the companies it backs on Lounge are mostly in AI.
Deals
Frequently asked questions about Arches Capital
What AI companies has Arches Capital invested in?
Arches Capital's AI investments include Promptwatch and HousApp. The 2 rounds on Lounge are listed on this page with amounts, dates and co-investors.
What stage does Arches Capital invest at?
In the rounds tracked on Lounge, Arches Capital has invested at Seed, with a median round of $7M. Arches Capital led 1 of those rounds.
Who does Arches Capital co-invest with?
Arches Capital's most frequent co-investors on Lounge are seed + speed Ventures (1 deal), Blum Ventures (1 deal) and Antler (1 deal).
How can founders reach Arches Capital?
Founders on Lounge can see Arches Capital'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 Arches Capital to their Investor Pipeline to track the conversation.