A family office database for startup founders should show which offices are active, what they invest in, who makes the decision, and a verified email to reach that person. For one seed or Series A raise, we believe a one-time Excel file you own is the strongest buy. Annual platforms suit founders who raise all year.
Full disclosure: we sell a family office database, and founders are one of the groups we sell to most. This guide is for a founder with a defined raise and a limited budget. We wrote it to be useful whether or not you buy from us.
Do family offices invest in startups?
Yes. Family offices lead or join a meaningful share of early rounds. They bring things venture funds often cannot: patient capital, flexible structures, and sector knowledge from the family's operating business.
They also vary enormously. Some invest directly in startups every month. Many invest only through funds, only in real estate, or only in the family's own industry. A good database helps you tell them apart before you send a single email.
What a founder needs from a family office database
- Activity. The office exists, has a website, has people, and has done something recently. A row that fails this wastes your time.
- Investment domains. Startups, venture capital, and ideally your sector. "Technology" is a start; "healthcare and biotech" or "consumer brands" is what you want.
- A named decision-maker. The principal, CIO, or head of direct investments, with a LinkedIn profile you can read before you write.
- A verified work email. Verified against the mail server, so your outreach reaches an inbox and your sending domain stays healthy.
- A format you own. Excel or CSV you can load into Notion, HubSpot, Attio, or a spreadsheet, and keep after the raise.
Some features matter most to people who raise all year: daily mandate signals, CRM-native platforms, institutional LP coverage, and seat licences sized for a fundraising team. Those are excellent products for that job. If that becomes your job later, buy them later.
Family office database options for startups, by price
| Option | Examples | Price model (as of October 2026, per each vendor's own pages) | Built for |
|---|---|---|---|
| Annual platforms | FINTRX, Dakota, Altss, Family Office Access | Dakota publishes $16,500 per year; Altss $5,000 to $25,000 per year by plan; Family Office Access $2,495 to $3,995 per year; FINTRX quotes through sales | Continuous fundraising |
| One-time Excel files | Active Family Offices, AllFamilyOffices, FamilyOfficeDB, SeekFamilyOffice and others | Pay once, own the file | One defined raise |
| Free directories | OpenVC, Family Office List, SWFI, community spreadsheets | Free | A first pass: names and websites |
Annual platforms are strong tools, and they carry more than one round needs. For published prices of the one-time files, see our Excel family office lists comparison. For the free options, see our free family office databases guide.
Which option fits your raise
- Choose an annual platform if you raise all year and want daily signals, CRM sync, and seats for a team.
- Choose a one-time Excel file if you have one raise in front of you and want a list you own and keep.
- Choose a free directory if you want a first pass of names and websites before you spend anything.
How to find family office investors for your startup
Once you have the list, work it in this order:
- Filter to offices whose domains include startups or venture, plus your sector. Our post on USA family offices investing in venture capital shows the profile.
- Read each decision-maker's LinkedIn before writing.
- Lead with the specific reason this office fits: their stated domain, a portfolio company, or the family's industry.
- Keep the first email short, attach nothing, and ask for a 20-minute call.
- Work in batches of 25, track replies, and stop emailing anyone who says no.
Our guides on how to pitch a family office and cold email to family offices go deeper.
FAQ
Do family offices invest in startups?
Many do. Family offices lead or join a meaningful share of early rounds and bring patient capital, flexible structures, and sector knowledge from the family's business. They vary widely: some invest directly in startups every month, while many invest only through funds, only in real estate, or only in the family's own industry.
How much does a family office database cost?
As of October 2026, per their own pages, Dakota publishes $16,500 per year, Altss $5,000 to $25,000 per year by plan, and Family Office Access $2,495 to $3,995 per year; FINTRX quotes through sales. One-time Excel files are paid once and the file is yours. Free directories cost nothing and list names and websites.
What should a founder look for in a family office list?
Five things: proof the office is active, investment domains that include startups or venture and ideally your sector, a named decision-maker with a LinkedIn profile, a work email verified against the mail server, and a format you own, such as Excel or CSV, that you can load into your CRM and keep after the raise.
How do I reach family office investors for my startup?
Filter the list to offices that invest in startups and your sector. Read the decision-maker's LinkedIn, then lead with the specific reason the office fits. Keep the first email short, attach nothing, and ask for a 20-minute call. Work in batches of 25, track replies, and stop emailing anyone who says no.
The bottom line for a founder raising now
For one raise, we believe the strongest buy is a verified file you own: the Full USA Database if your investors are in the United States, or the Full Worldwide Database if you are raising across borders. Every office is verified as active (it runs a live website), with investment domains, LinkedIn, and named decision-makers, plus mail-server-verified work emails for most USA-region offices. Try the free sample first and read how we verify on the FAQ page.
Sources
Vendor pricing as published on dakota.com/dakota-marketplace, altss.com/pricing, familyofficeaccess.com, read 18 October 2026. Re-verified on the live pages and archived 19 October 2026.
This article reflects publicly available information as of October 2026 and our own understanding of the market. It is not a review of data we have not tested. Offerings change; see each provider's site for current details. If you represent a company mentioned here and something is out of date, contact us and we will correct it promptly. All product names, logos, and brands are the property of their respective owners and are used for identification purposes only. Active Family Offices is not affiliated with, sponsored by, or endorsed by any company mentioned.