# Build Collective: portfolio, investments and team > Build Collective is a family office based in France. 1 investment on record, 1 in the last 12 months, latest Sept 2026. Source: https://millionrounds.com/fund/build-collective (Millionrounds; every figure on the page links to its filing or article) France · [Investor](https://millionrounds.com/investors) # Build Collective Last cheque observed Sep 2026; 1 cheques on record. Deploying now Family office Series B Greentech Energy Health Deploying now **100%** of best year **1** **cheques in 12 months**, 1 on record Since the last cheque **54** days **00** hrs **00** min **00** sec Median round **$125M** Rounds led **0 of 1** Pitch Build Collective ## Build Collective highlights - 01 1 cheques in the last 12 months - 02 Mostly Series B: 100% of its rounds ## What they do > the Build Collective invests its money and time to help engineers and scientists build a greener world From their own website - **Type:** Family office - **Cheque size:** Not stated - **Sectors:** Greentech Energy Health - **Based in:** Paris, France - **Cold pitches:** Not accepted ## The record Every round we can evidence, newest first **1 appearances** - **2026** 1 round - **Sept** **[iPronics](https://millionrounds.com/company/ipronics)** Series B · ES · Amadeus Capital Partners **$125M** With 11 others An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor. ## The team We hold **1** person at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them. ## The cheque Series B Median round joined **$125M** the round, not its cheque Led 0 of 1 rounds **0%** - **Sole investor:** Never alone - **Last cheque:** Sept 2026 Rounds by stage said on their site - Series B *1* Cheques by month Led Joined Nov 2023 Oct 2026 **Pitching Build Collective?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque. Add to your CRM *→* ## Recently backed The latest companies Build Collective put money into. [**iPronics** $125M · Sept 2026](https://millionrounds.com/company/ipronics) ## Books by the people here One book written by people at Build Collective: [Tony Fadell](https://millionrounds.com/person/tony-fadell-7). - Build: An Unorthodox Guide to Making Things Worth Making [Tony Fadell](https://millionrounds.com/person/tony-fadell-7) · 2022 4.31 from 10,090 ratings on Goodreads About the book Written for anyone who wants to grow at work, from young grads navigating their first jobs to CEOs deciding whether to sell their company, Build is full of personal stories, practical advice and fascinating insights into some of the most impactful products and people of the 20th… On AmazonListen on Audible - Find the books for what you are building, or how you invest. [Open the Reading List](https://millionrounds.com/reading-list) As an Amazon Associate we earn from qualifying purchases. ## Quick answers about Build Collective ### What does Build Collective invest in? Build Collective invests most often at Series B (100% of the rounds on record), in sectors such as Greentech, Energy and Health. ### How active is Build Collective? 1 investments on record, 1 of them in the last 12 months. The most recent was in Sept 2026. ### What has Build Collective invested in recently? Its most recent investments on record: iPronics (Series B, Sept 2026). ### How big are Build Collective's cheques? The median round it joins is $125M. ### Is Build Collective investing now? Yes: it is actively investing, with 1 investments in the last 12 months. ### What kind of investor is Build Collective? Build Collective is a family office based in Paris, France. ### Where does this information on Build Collective come from? From 1 articles and filings naming it in a round, public registers and its own website, checked and rebuilt every night. ## Raising now? Find the investors who back rounds like yours, and keep every conversation on one fundraising board. Find similar investorsOpen your CRM Built from the rounds we watched, its filings and its own website, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections?slug=build-collective) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=build-collective)