Fundraising software for nonprofits & cardholder engagement solutions

Strengthen donor relationships, drive engagement, and grow sustainably with our full-service fundraising platform, built for nonprofits and financial institutions.

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Girl holding an ice cream coneChild grabbing an ice cream cone
Hand paying with a credit cardHand paying with a credit card
Meet our all-in-one fundraising platform

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.

Book a demo

Harness works for everyone

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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.

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Financial institutions

Strengthen customer loyalty and increase credit card engagement with community-driven initiatives supported by Harness’s expert team and proven service.

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Trusted across the industry

Knuckle Bump Farms logo
Grow Financial Credit Union
+7%
Growth in spend
Grow Financial logo
See result
Trustage logo
Habitat for Humanity of Missoula
11hrs
a week to refocus on their mission
Habitat for Humanity logo
See result
ICBA logo
Fond du Lac County United Way
+221%
increase in their
donor base
United Way logo
See result
Bloom International
$119K
Raised since joining Harness
Bloom International logo
See result
NatureTrack
+772%
Lift in social media reach
NatureTrack logo
See result

Ready to build something bigger?

Harness gives nonprofits and financial institutions the fundraising tools, donor engagement strategies, and expert support they need for sustainable, long-term growth.

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