Insights

Family philanthropy focus Independent nonprofit practice specializing in multigenerational engagement within family philanthropy and wealth advisory spheres, suggesting opportunities to partner with family offices, foundations, and wealth advisors seeking structured intergenerational programs.

Small to mid market Team size of 11-50 and revenue under $1M indicate a boutique firm likely receptive to scalable training, facilitation, and advisory services that extend their reach to multi‑generation engagement programs and fundraising initiatives.

Tech‑enabled services Usage of tools like Hotjar, Google Tag Manager, Cloudflare Insights, and modern web tech implies openness to digital enablement, analytics, and virtual facilitation offerings that can enhance engagement and measure impact for client families.

Strategic partnerships Focus on serving families, foundations, and wealth/philanthropy advisors positions potential sales for collaborative programs with family offices, foundations, and consulting networks that advise affluent clients on governance and giving.

Revenue growth opportunities Revenue under $1M alongside a niche advisory service suggests upsell potential through expanded training curricula, program licenses, and multi‑generational facilitation packages to scale impact and diversify revenue.

Similar companies to 21/64

21/64 Tech Stack

21/64 uses 8 technology products and services including LinkedIn Ads, HubSpot Analytics, Microsoft Clarity, and more. Explore 21/64's tech stack below.

21/64's Email Address Formats

21/64 uses at least 1 email format:
21/64 Email FormatsExamplePercentage
First@2164.netJohn@2164.net
100%

Frequently Asked Questions

What is 21/64's official website and social media links?

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21/64's official website is 2164.net and has social profiles on LinkedIn.

How much revenue does 21/64 generate?

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As of August 2026, 21/64's annual revenue is estimated to be <$1M.

What is 21/64's SIC code and NAICS code?

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21/64's SIC code is 8399 - Social Services, Not Elsewhere Classified and NAICS code is 8132 - Grantmaking and Giving Services.

How many employees does 21/64 have currently?

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As of August 2026, 21/64 has approximately 13 employees across 1 continents, including North America. Key team members include Manager: S. F. and Consultant: B. T. R. Explore 21/64's employee directory with LeadIQ.

What industry does 21/64 belong to?

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21/64 operates in the Philanthropic Fundraising Services industry.

What technology does 21/64 use?

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21/64's tech stack includes LinkedIn Ads, HubSpot Analytics, Microsoft Clarity, WordPress, Shopify, Microsoft 365, ActiveCampaign and AfterPay.

What is 21/64's email format?

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21/64's email format typically follows the pattern of First@2164.net. Find more 21/64 email formats with LeadIQ.

When was 21/64 founded?

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21/64 was founded in 2002.
21/64 logo

21/64

Philanthropic Fundraising ServicesNew York, United States11-50 Employees

21/64 is an independent nonprofit practice that provides advisory, facilitation, and training services focused on multigenerational engagement within family philanthropy and family enterprises. The firm works with families that manage funds, foundations, or other wealth structures, as well as wealth and philanthropy advisors, to help multiple generations coordinate governance, giving, and service more effectively. It is based in New York City, New York. 

Positioned within the philanthropic fundraising services sector, 21/64 offers specialized support to families and their professional advisers seeking to align long-term leadership and charitable activities across generations. The organization operates as a focused practice with a relatively small to mid-sized team, delivering structured advising, facilitation, and training for next-generation engagement.

Section iconCompany Overview

Website
2164.net
SIC Code
8399 - Social Services, Not Elsewhere Classified
NAICS Code
8132 - Grantmaking and Giving Services
Founded
2002
Employees
11-50

Section iconFunding & Financials

  • <$1M

    21/64's revenue is estimated to be in the range of <$1M

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