The roster
Companies we’re building with.
660 Capital Group partners with and helps build early-stage companies focused on practical technology, fundraising, automation, and community-driven growth.
Active · 5 companies
Currently building
Brick River
Nonprofit Software · CRM
An all-in-one nonprofit software platform that helps mission-driven organizations manage websites, CRM, email, events, forms, donations, and communications from one connected system.
Music Supporters
EdTech · Fundraising
Helps band, choir, orchestra, and K–12 music programs raise more with less administrative work. student-driven pages, sponsorships, ticketing, programs, and merchandise in one platform.
Sports Supporters
EdTech · School Athletics
A fundraising and engagement platform built for athletic departments, booster clubs, and coaches. donation campaigns, athlete pages, sponsorships, raffles, auctions, and ticketed events.
SignalHost
AI · Voice · SMB
An AI-powered front desk for small businesses. Answers calls, captures details, sends the right links, and hands teams transcripts, recordings, and next steps so they never miss an opportunity.
SteadyKind
AI · Health & Fitness
An AI fitness and nutrition coach that builds you a personalized plan, tells you what to do today, and quietly adapts when life gets in the way — no shame, no streaks, no calorie spreadsheets. Built for adults in the U.S.
Acquired & Archived · 4 companies
Prior chapters
OnSource
InsurTech · Claims
An Inspection-as-a-Service platform that digitized the property and casualty insurance claims experience. Acquired by Genpact in 2017.
SmartNRG
AI · Energy Efficiency
An energy monitoring and management platform that combined Big Data, AI, and IoT to help commercial operators cut waste and move toward net-zero. Acquired in 2024.
Uptime Esports
Esports · Youth Development
Uptime Esports and its sister program, Uptime Academy, built coaching, leagues, and after-school programming for young competitive gamers. The company has since wound down — its archived site lives on at the Wayback Machine.
Amptiva
CX · Analytics
A customer experience platform that collected omnichannel voice-of-the-customer data, surfaced analytics and forecasts, and used AI to turn signals into actions across the customer journey.