Power your mission with smarter fundraising and growth.
Support for nonprofits and cardholder programs that need more than just tools.
Strengthen donor relationships, drive engagement, and grow sustainably with our full-service fundraising platform, built for nonprofits and financial institutions.
Complete fundraising and engagement solutions
Strategic fundraising support for nonprofits
Access user-friendly donation forms, donor management tools, and expert services. We help you build long-term donor relationships while simplifying operations.
Cardholder engagement for financial institutions
Keep your credit card top of wallet by connecting cardholders to the causes they care about. Our full-service team designs and supports programs that build loyalty and drive engagement.
An expert team working alongside you
Harness acts as an extension of your team. We offer ongoing guidance, campaign support, and data-driven strategies to grow your donor and cardholder base.
Real-time insights for lasting growth
Track donor engagement and credit card usage with smart analytics and personalized recommendations that help you adjust and grow over time.
More than a fundraising platform. Welcome to the Harness Impact Network
More than a fundraising platform, we link purpose-driven partners, expanding our collective reach and impact.
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Harness works for everyone

Nonprofits
Harness provides fundraising software, donor management tools, and expert guidance to help nonprofits drive engagement, raise more money, and build stronger donor relationships—all backed by a full-service team.

Financial institutions
Strengthen customer loyalty and increase credit card engagement with community-driven initiatives supported by Harness’s expert team and proven service.
Trusted across the industry



