Prospect research consultants in Wisconsin
9 prospect research firms are based in Wisconsin.

AB Data Group
Direct response50+ staffMilwaukee, WI
91 clients on Form 990A.B. Data, Ltd. (A.B. Data Group) is a direct marketing firm founded in 1981 in the Milwaukee area that runs integrated direct-response and grassroots fundraising programs for nonprofit and progressive advocacy organizations, alongside class-action administration and data services.
91 clients on Form 990MDM Fundraising
Direct response15-50 staffBrookfield, WI
58 clients on Form 990Brookfield, WI Christian fundraising and direct-response marketing agency (MDM Fundraising) specializing in donor acquisition, cultivation, digital fundraising and analytics for Gospel rescue missions and ministries. Founded in 1986 and acquired by RKD Group in 2024; site may redirect to the RKD Group brand.
58 clients on Form 990
THE ABBEY GROUP
Capital campaigns5-15 staffMilwaukee, WI
5 clients on Form 990Philanthropy management and consulting firm providing resource development, philanthropy management, board and executive development, and capital campaign counsel to nonprofit organizations
5 clients on Form 990
Moore Fundraising Solutions
Full-service fundraising2-5 staffAppleton, WI
3 clients on Form 990Fundraising consulting firm providing advisory and execution services to nonprofits including annual giving, major gifts, planned giving, grants, prospect research, strategic planning, and coaching
3 clients on Form 990
JULEP CONSULTING
Full-service fundraising5-15 staffMadison, WI
3 clients on Form 990Boutique fundraising and nonprofit consulting firm offering fundraising strategy, grant writing, strategic planning, organizational development, executive search, capacity building, and board development services
3 clients on Form 990LINE BY LYNE CONSULTING LLC
Grant writing2-5 staffMequon, WI
3 clients on Form 990Nonprofit consultant providing coaching, grant research and writing, and fund development strategies to help nonprofits generate restricted and unrestricted income
3 clients on Form 990
Granting Wishes Consulting
Grant writing2-5 staffMadison, WI
1 client on Form 990Madison, WI grant consulting firm founded in 2021 by Sarah Mueller, offering grant strategy, funding-opportunity identification, and proposal development for nonprofits across Wisconsin and nearby states.
1 client on Form 990Sparks Collaborative Results
Full-service fundraisingIndependent consultantMilwaukee, WI
1 client on Form 990Sparks Collaborative Results is a Milwaukee-based fundraising consultancy led by Katie A. Sparks, providing fund development leadership, major and recurring donor strategy, donor research, grant writing support, and coaching for nonprofits.
1 client on Form 990IN PROGRESS CONSULTING LLC
Full-service fundraisingIndependent consultantMilwaukee, WI
1 client on Form 990Customized fundraising, planning, and board governance services for nonprofit organizations
1 client on Form 990
