• CCS Fundraising

A strategic fundraising consulting firm partnering with nonprofits for transformational change.
Website: ccsfundraising.com

• The Bridgespan Group

Provides management consulting to nonprofits and philanthropists, offering strategic guidance and support.
Website: bridgespan.org

• Rockefeller Philanthropy Advisors

Advises on and manages more than $200 million in annual charitable giving, offering research and counsel on charitable giving.
Website: rockpa.org

• Graham-Pelton

Fundraising  consulting, helping organizations exceed goals and enhance donor engagement.
Website: grahampelton.com

• Alexander Haas

Partners with nonprofits to secure philanthropic resources necessary to advance their missions.
Website: fundraisingcounsel.com

• International Fundraising Consultancy (IFC)

Global communications, fundraising consulting firm for civil society, 15 offices worldwide.
Website: groupifc.com

• Aly Sterling Philanthropy

A full-service fundraising consulting firm known for its sustainable fundraising approach.
Website: alysterling.com

• Donorly

Fundraising consulting services, specializing in donor research and engagement strategies.
Website: donorly.com

• Meyer Partners

Offers professional fundraising consulting services aimed at driving results for nonprofits.
Website: meyerpartners.com

• Grants Plus

Specializes in grant writing support and fundraising consulting, assisting nonprofits in securing funding.
Website: grantsplus.com

• Global Impact

Provides advisory and infrastructure services that drive strategic philanthropy for nonprofit, public, and private sector clients.
Website: charity.org

• Prosper Strategies

Consulting services, strategic planning and marketing, to enhance organizational impact.
Website: prosper-strategies.com

• DonorSearch

Provides fundraising consulting services, focusing on donor prospecting and wealth screening to enhance fundraising efforts.
Website: donorsearch.net

• Getting Attention

Specializes in Google Grant management, helping nonprofits leverage Google Ad Grants for fundraising and awareness.
Website: gettingattention.org

• Kwala

A design firm offering fundraising consulting services, focusing on branding and visual storytelling for nonprofits.
Website: kwalaco.com

• Ignite Philanthropy

Works with nonprofits of all sizes to assess, research, and design effective fundraising strategies.
Website: ignitephilanthropy.com

• The Life You Can Save

Recommends charities that work on reducing extreme poverty and offers fundraising support to these organizations.
Website: thelifeyoucansave.org

• Founders Pledge

Asks business people to pledge a portion of their earnings to charities and provides research and recommendations for effective giving.
Website: founderspledge.com

• Unlock Aid

Advocates for USAID reforms and has launched the Foreign Aid Bridge Fund to support organizations affected by foreign aid cuts.
Website: unlockaid.org

• GlobalGiving

A nonprofit that fundraises for grassroots international organizations, providing a platform for local nonprofits to access funding.
Website: globalgiving.org

NOTE:  These organizations are recognized for their expertise in fundraising, donor relations, and strategic support, playing pivotal roles in strengthening the bonds between donors and benefactors.