Product Market Fit

Product Market Fit

Investor Database & Tools

The Family Office List (+ the Claude Outreach System)

The Ultimate List of Family Offices Actively Writing Cheques, Plus the Claude System to Reach Them: Warm Intro Mapping and Personalized Outreach

Guillermo Flor's avatar
Guillermo Flor
Jul 07, 2026
∙ Paid

Most founders think there are only two ways to fund a startup: VCs and angels.

But there’s a third category that it’s been quietly writing a lot of cheques: family offices.

They’re private capital with deep pockets and long time horizons.

No fund cycles, no rush to exit. That means they can back niche ideas, spend real time with founders and stay involved well beyond the first cheque, often bringing operator experience and serious networks.

If you’re looking for investors who actually get what you’re building (and aren’t just optimising for the next round), family offices are worth paying attention to.

Anyways, so what did I do? 😅

I built a market-by-market curated list of family offices actively writing cheques.

And because a list is only half the job, I did one more thing. Family offices don’t run open application processes, they don’t publish a thesis page and most of them will never answer a generic deck blast.

So I wrote a hands-on guide to building the outreach system that actually works on them: the Claude prompts that map warm intro paths through your network, write outreach personalized to each office and run the pipeline week by week without losing a thread.

📚 By the end of this newsletter you’ll have the full stack: the index of family offices across 6 markets, and the working system to turn it into meetings

Inside you will find:

  1. The Family Office List of Lists

  2. The Setup That Powers Every Prompt Below

  3. How to Map a Warm Path Into a Family Office Before You Send Anything

  4. How to Write Outreach a Family Office Actually Answers

  5. How to Run the Pipeline Without Losing a Thread

1. The Family Office List of Lists

Instead of one massive, messy database, this is a curated map of the best family office lists, organised by where they actively invest, not where they’re headquartered.

Markets covered:

  1. 🇺🇸 USA

  2. 🇬🇧 UK

  3. 🇩🇪 Germany

  4. 🇮🇱 Israel

  5. 🇪🇺 Europe (pan-European)

  6. 🌎 Rest of World

What you get in each list:

  • Investor name + website (so you can verify and research fast)

  • Investor type (single-family, multi-family, personal FO)

  • Global HQ (where the team is based)

  • Countries they invest in (where they actually deploy capital)

  • Stage focus (Idea → Pre-IPO)

  • Thesis (what they like + what they avoid)

  • Minimum / maximum cheque (so you don’t waste time pitching the wrong size)


This list is available exclusively to paid subscribers!

Along with it, you’ll unlock our full library: 200+ startup decks, 10,000+ investors, AI Agent playbooks, and fresh high-signal content every week.

Not subscribed yet? Try it free for 7 days and unlock this guide, plus our full premium library:

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Access the list here (+ the Claude Outreach System) 👇

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