Company lists · Data refreshed September 2026
Top 25 Major donor consulting firms worldwide
RevenueBase identified 2,429 company matches for major donor consulting firms worldwide as of September 2026 and tracks 13,651 professional contacts across them, including 6,117 with verified work emails. The United States is the largest market and New York the largest hub.
This list covers company matches for major donor consulting firms worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026. Country and city lists for major donor consulting firms follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest major donor consulting firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 728 contacts → | ||||
Exact match “For over 75 years, CCS Fundraising has empowered many of the world’s greatest organizations to advance some of the most important causes in history.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 2 | 492 contacts → | ||||
Exact match “RKD Group is the trusted growth architect for nonprofits.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 227 contacts → | ||||
Exact match “Arabella Advisors is a professional services firm that provides administrative, operational, and strategic support to nonprofits, foundations, and individual donors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 208 contacts → | ||||
Exact match “We are M+R.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 197 contacts → | ||||
Exact match “Nonprofit Organizations count on The Heritage Company for fundraising and outreach to donors, members and other constituents.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 137 contacts → | ||||
Exact match “AGP partners with mission-driven organizations nationwide to strengthen donor engagement and support long-term, sustainable performance.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 137 contacts → | ||||
Exact match “We exist to support non-profits as they carry out their world-changing missions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 125 contacts → | ||||
Exact match “BWF Zuri is the nonprofit sector’s most comprehensive fundraising consulting company, helping organizations thrive in a rapidly changing landscape.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 123 contacts → | ||||
Exact match “DonorSearch by EverTrue gives fundraising teams the intelligence to know who to prioritize, how to engage them, and what to do next, so every outreach moment is grounded in more…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 112 contacts → | ||||
Exact match “Our team of expert consultants develops innovative direct marketing-driven donor development programs for exceptional nonprofit causes like yours.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 106 contacts → | ||||
Exact match “Zuri Group partners with nonprofit organizations to turn big ideas into reality.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 102 contacts → | ||||
Exact match “Campbell & Company is a national nonprofit consulting firm that helps organizations create greater impact through fundraising, communications and strategic information services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 101 contacts → | ||||
Exact match “At KCI, we are a firm focused on values and people…both ours and yours.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 99 contacts → | ||||
Exact match “Orr Group was born out of a need for event management and fundraising support in the philanthropic sector.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 83 contacts → | ||||
Exact match “Schultz & Williams is a national consulting firm dedicated to helping nonprofits of all types and sizes achieve financial stability, meet organizational goals, and support greater…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 79 contacts → | ||||
Exact match “Marts & Lundy serves as a trusted partner to mission-driven organizations whose bold aspirations are realized through the power of philanthropy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 79 contacts → | ||||
Exact match “At Fundraising Direct we are passionate about innovation and creativity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 78 contacts → | ||||
Exact match “Integrated fundraising strategy is our business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 78 contacts → | ||||
Exact match “Most faith-based organizations don't have a funding problem.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 74 contacts → | ||||
Exact match “Avalon is a full-service fundraising consulting agency helping nonprofits realize the full potential of their direct marketing programs through multi-channel fundraising…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 74 contacts → | ||||
Exact match “INTRODUCING THE STEIER GROUP Based in Omaha, Nebraska, with offices in Alabama, Arizona, Arkansas, California, Colorado, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 22 | 68 contacts → | ||||
Exact match “Welcome to the heart of fundraising At the heart of Donor Republic is an uncompromising pursuit of fundraising & marketing excellence.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 23 | 65 contacts → | ||||
Exact match “Powering Community-Driven Fundraising Worldwide Charidy empowers nonprofit organizations to mobilize their communities and unlock extraordinary generosity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 24 | 64 contacts → | ||||
Exact match “Lautman Maska Neill & Company is an award-winning direct response consulting firm specializing in fully-integrated fundraising exclusively for nonprofits.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 59 contacts → | ||||
Exact match “Graham-Pelton is the fundraising consulting firm chosen by leading nonprofits worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “major donor consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 2,429 major donor consulting firms worldwide
See the full list, filter by size, metro and specialty, and access 6,117 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Major donor consulting firms worldwide at a glance
As of Sep 28, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for major donor consulting firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “major donor consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 6,117 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Major donor consulting firms by location
13 lists · largest firstEvery Major donor consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Major donor consulting firms based in the United States1,402
- Major donor consulting firms based in Canada107
- Major donor consulting firms based in the United Kingdom100
- Major donor consulting firms based in Australia38
Cities
- Major donor consulting firms based in New York, United States75
- Major donor consulting firms based in Washington, United States56
- Major donor consulting firms based in Chicago, United States51
- Major donor consulting firms based in Atlanta, United States38
- Major donor consulting firms based in Seattle, United States32
- Major donor consulting firms based in Los Angeles, United States31
- Major donor consulting firms based in London, United Kingdom29
- Major donor consulting firms based in Toronto, Canada28
- Major donor consulting firms based in Boston, United States25
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “major donor consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many major donor consulting firms are there worldwide?
RevenueBase identified 2,429 company matches for major donor consulting firms worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
CCS Fundraising tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most major donor consulting firms?
The United States leads with 1,402 companies, followed by Canada (107) and the United Kingdom (100). Every major donor consulting firms list by country and city is linked on this page.
Which city has the most major donor consulting firms?
New York leads with 75 company records, followed by Washington (56) and Chicago (51).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 6,117 professional contacts with verified work emails tracked across these 2,429 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,429 major donor consulting firms worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 major donor consulting firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,429 matching company records for major donor consulting firms worldwide, with 13,651 tracked contacts and 6,117 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 major donor consulting firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  CCS Fundraisingccsfundraising.comHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 728 contacts → |
“For over 75 years, CCS Fundraising has empowered many of the world’s greatest organizations to advance some of the most important causes in history.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  RKD Grouprkdgroup.comHQ: Plano, TX, United StatesReported employees: 201-500 | Plano, TX, United States | 201-500 | Exact match | 492 contacts → |
“RKD Group is the trusted growth architect for nonprofits.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Arabella Advisorsarabellaadvisors.comHQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 227 contacts → |
“Arabella Advisors is a professional services firm that provides administrative, operational, and strategic support to nonprofits, foundations, and individual donors.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  M Rmrss.comHQ: Washington, United StatesReported employees: 51-200 | Washington, United States | 51-200 | Exact match | 208 contacts → |
“We are M+R.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | The Heritage Companytheheritagecompany.com HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 197 contacts → |
“Nonprofit Organizations count on The Heritage Company for fundraising and outreach to donors, members and other constituents.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  AGP Allegiance Group & Pursuantteamallegiance.comHQ: Fargo, ND, United StatesReported employees: 51-200 | Fargo, ND, United States | 51-200 | Exact match | 137 contacts → |
“AGP partners with mission-driven organizations nationwide to strengthen donor engagement and support long-term, sustainable performance.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  SG Supportsgsupport.comHQ: Kuala Lumpur Central, MalaysiaReported employees: 201-500 | Kuala Lumpur Central, Malaysia | 201-500 | Exact match | 137 contacts → |
“We exist to support non-profits as they carry out their world-changing missions.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  BWFbwf.comHQ: Usa, United StatesReported employees: 51-200 | Usa, United States | 51-200 | Exact match | 125 contacts → |
“BWF Zuri is the nonprofit sector’s most comprehensive fundraising consulting company, helping organizations thrive in a rapidly changing landscape.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Donorsearch By Evertruedonorsearch.netHQ: Marriottsvile, MD, United StatesReported employees: 51-200 | Marriottsvile, MD, United States | 51-200 | Exact match | 123 contacts → |
“DonorSearch by EverTrue gives fundraising teams the intelligence to know who to prioritize, how to engage them, and what to do next, so every outreach moment is grounded in more…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  MAL Warwick Donordigitalmwdagency.comHQ: Berkeley, CA, United StatesReported employees: 51-200 | Berkeley, CA, United States | 51-200 | Exact match | 112 contacts → |
“Our team of expert consultants develops innovative direct marketing-driven donor development programs for exceptional nonprofit causes like yours.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Zuri Groupzurigroup.comHQ: Bend, OR, United StatesReported employees: 51-200 | Bend, OR, United States | 51-200 | Exact match | 106 contacts → |
“Zuri Group partners with nonprofit organizations to turn big ideas into reality.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Campbell & Companycampbellcompany.comHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 102 contacts → |
“Campbell & Company is a national nonprofit consulting firm that helps organizations create greater impact through fundraising, communications and strategic information services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  KCIkciphilanthropy.comHQ: Toronto, ON, CanadaReported employees: 51-200 | Toronto, ON, Canada | 51-200 | Exact match | 101 contacts → |
“At KCI, we are a firm focused on values and people…both ours and yours.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  ORR Grouporrgroup.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 99 contacts → |
“Orr Group was born out of a need for event management and fundraising support in the philanthropic sector.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Schultz & Williamsschultzwilliams.comHQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 83 contacts → |
“Schultz & Williams is a national consulting firm dedicated to helping nonprofits of all types and sizes achieve financial stability, meet organizational goals, and support greater…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Marts&lundymartsandlundy.comHQ: Lyndhurst, NJ, United StatesReported employees: 51-200 | Lyndhurst, NJ, United States | 51-200 | Exact match | 79 contacts → |
“Marts & Lundy serves as a trusted partner to mission-driven organizations whose bold aspirations are realized through the power of philanthropy.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Fundraising Directfundraisingdirect.caHQ: Montreal, QC, CanadaReported employees: 11-50 | Montreal, QC, Canada | 11-50 | Exact match | 79 contacts → |
“At Fundraising Direct we are passionate about innovation and creativity.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Blakely Fundraisingblakelyfundraising.comHQ: Aurora, ON, CanadaReported employees: 51-200 | Aurora, ON, Canada | 51-200 | Exact match | 78 contacts → |
“Integrated fundraising strategy is our business.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Generisgeneris.comHQ: Johns Creek, GA, United StatesReported employees: 51-200 | Johns Creek, GA, United States | 51-200 | Exact match | 78 contacts → |
“Most faith-based organizations don't have a funding problem.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Avalon Consulting Groupavalonconsulting.netHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 74 contacts → |
“Avalon is a full-service fundraising consulting agency helping nonprofits realize the full potential of their direct marketing programs through multi-channel fundraising…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Steier Groupsteiergroup.comHQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 74 contacts → |
“INTRODUCING THE STEIER GROUP Based in Omaha, Nebraska, with offices in Alabama, Arizona, Arkansas, California, Colorado, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Donor Republicdonorrepublic.com.auHQ: Newtown, United StatesReported employees: 51-200 | Newtown, United States | 51-200 | Exact match | 68 contacts → |
“Welcome to the heart of fundraising At the heart of Donor Republic is an uncompromising pursuit of fundraising & marketing excellence.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  charidy.comcharidy.comHQ: Brooklyn, United StatesReported employees: 51-200 | Brooklyn, United States | 51-200 | Exact match | 65 contacts → |
“Powering Community-Driven Fundraising Worldwide Charidy empowers nonprofit organizations to mobilize their communities and unlock extraordinary generosity.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Lautman Maska Neill & Companylautmandc.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 64 contacts → |
“Lautman Maska Neill & Company is an award-winning direct response consulting firm specializing in fully-integrated fundraising exclusively for nonprofits.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Graham-Peltongrahampelton.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 59 contacts → |
“Graham-Pelton is the fundraising consulting firm chosen by leading nonprofits worldwide.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,429 company matches
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Major donor consulting firms: dataset insights
September 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,428 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,429 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Major donor consulting firms by location
13 lists · largest firstEvery Major donor consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Major donor consulting firms based in the United States1,402
- Major donor consulting firms based in Canada107
- Major donor consulting firms based in the United Kingdom100
- Major donor consulting firms based in Australia38
Cities
- Major donor consulting firms based in New York, United States75
- Major donor consulting firms based in Washington, United States56
- Major donor consulting firms based in Chicago, United States51
- Major donor consulting firms based in Atlanta, United States38
- Major donor consulting firms based in Seattle, United States32
- Major donor consulting firms based in Los Angeles, United States31
- Major donor consulting firms based in London, United Kingdom29
- Major donor consulting firms based in Toronto, Canada28
- Major donor consulting firms based in Boston, United States25
Questions about this company list
What does Exact match mean for major donor consulting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many major donor consulting firms did RevenueBase find worldwide?
The saved snapshot records 2,429 matching company records, 13,651 tracked contacts and 6,117 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 major donor consulting firms worldwide. Snapshot: September 28, 2026. https://revenuebase.ai/companies/browse/major-donor-consulting-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 major donor consulting firms worldwide
RevenueBase records 2,429 matching company records for major donor consulting firms worldwide, with 13,651 tracked contacts and 6,117 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 major donor consulting firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | CCS Fundraisingccsfundraising.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 728 contacts → |
“For over 75 years, CCS Fundraising has empowered many of the world’s greatest organizations to advance some of the most important causes in history.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | RKD Grouprkdgroup.com HQ: Plano, TX, United StatesReported employees: 201-500 | Plano, TX, United States | 201-500 | Exact match | 492 contacts → |
“RKD Group is the trusted growth architect for nonprofits.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Arabella Advisorsarabellaadvisors.com HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 227 contacts → |
“Arabella Advisors is a professional services firm that provides administrative, operational, and strategic support to nonprofits, foundations, and individual donors.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | M Rmrss.com HQ: Washington, United StatesReported employees: 51-200 | Washington, United States | 51-200 | Exact match | 208 contacts → |
“We are M+R.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | The Heritage Companytheheritagecompany.com HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 197 contacts → |
“Nonprofit Organizations count on The Heritage Company for fundraising and outreach to donors, members and other constituents.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | AGP Allegiance Group & Pursuantteamallegiance.com HQ: Fargo, ND, United StatesReported employees: 51-200 | Fargo, ND, United States | 51-200 | Exact match | 137 contacts → |
“AGP partners with mission-driven organizations nationwide to strengthen donor engagement and support long-term, sustainable performance.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | SG Supportsgsupport.com HQ: Kuala Lumpur Central, MalaysiaReported employees: 201-500 | Kuala Lumpur Central, Malaysia | 201-500 | Exact match | 137 contacts → |
“We exist to support non-profits as they carry out their world-changing missions.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | BWFbwf.com HQ: Usa, United StatesReported employees: 51-200 | Usa, United States | 51-200 | Exact match | 125 contacts → |
“BWF Zuri is the nonprofit sector’s most comprehensive fundraising consulting company, helping organizations thrive in a rapidly changing landscape.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Donorsearch By Evertruedonorsearch.net HQ: Marriottsvile, MD, United StatesReported employees: 51-200 | Marriottsvile, MD, United States | 51-200 | Exact match | 123 contacts → |
“DonorSearch by EverTrue gives fundraising teams the intelligence to know who to prioritize, how to engage them, and what to do next, so every outreach moment is grounded in more…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | MAL Warwick Donordigitalmwdagency.com HQ: Berkeley, CA, United StatesReported employees: 51-200 | Berkeley, CA, United States | 51-200 | Exact match | 112 contacts → |
“Our team of expert consultants develops innovative direct marketing-driven donor development programs for exceptional nonprofit causes like yours.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Zuri Groupzurigroup.com HQ: Bend, OR, United StatesReported employees: 51-200 | Bend, OR, United States | 51-200 | Exact match | 106 contacts → |
“Zuri Group partners with nonprofit organizations to turn big ideas into reality.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Campbell & Companycampbellcompany.com HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 102 contacts → |
“Campbell & Company is a national nonprofit consulting firm that helps organizations create greater impact through fundraising, communications and strategic information services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | KCIkciphilanthropy.com HQ: Toronto, ON, CanadaReported employees: 51-200 | Toronto, ON, Canada | 51-200 | Exact match | 101 contacts → |
“At KCI, we are a firm focused on values and people…both ours and yours.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ORR Grouporrgroup.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 99 contacts → |
“Orr Group was born out of a need for event management and fundraising support in the philanthropic sector.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Schultz & Williamsschultzwilliams.com HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 83 contacts → |
“Schultz & Williams is a national consulting firm dedicated to helping nonprofits of all types and sizes achieve financial stability, meet organizational goals, and support greater…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Marts&lundymartsandlundy.com HQ: Lyndhurst, NJ, United StatesReported employees: 51-200 | Lyndhurst, NJ, United States | 51-200 | Exact match | 79 contacts → |
“Marts & Lundy serves as a trusted partner to mission-driven organizations whose bold aspirations are realized through the power of philanthropy.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Fundraising Directfundraisingdirect.ca HQ: Montreal, QC, CanadaReported employees: 11-50 | Montreal, QC, Canada | 11-50 | Exact match | 79 contacts → |
“At Fundraising Direct we are passionate about innovation and creativity.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Blakely Fundraisingblakelyfundraising.com HQ: Aurora, ON, CanadaReported employees: 51-200 | Aurora, ON, Canada | 51-200 | Exact match | 78 contacts → |
“Integrated fundraising strategy is our business.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Generisgeneris.com HQ: Johns Creek, GA, United StatesReported employees: 51-200 | Johns Creek, GA, United States | 51-200 | Exact match | 78 contacts → |
“Most faith-based organizations don't have a funding problem.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Avalon Consulting Groupavalonconsulting.net HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 74 contacts → |
“Avalon is a full-service fundraising consulting agency helping nonprofits realize the full potential of their direct marketing programs through multi-channel fundraising…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Steier Groupsteiergroup.com HQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 74 contacts → |
“INTRODUCING THE STEIER GROUP Based in Omaha, Nebraska, with offices in Alabama, Arizona, Arkansas, California, Colorado, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Donor Republicdonorrepublic.com.au HQ: Newtown, United StatesReported employees: 51-200 | Newtown, United States | 51-200 | Exact match | 68 contacts → |
“Welcome to the heart of fundraising At the heart of Donor Republic is an uncompromising pursuit of fundraising & marketing excellence.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | charidy.comcharidy.com HQ: Brooklyn, United StatesReported employees: 51-200 | Brooklyn, United States | 51-200 | Exact match | 65 contacts → |
“Powering Community-Driven Fundraising Worldwide Charidy empowers nonprofit organizations to mobilize their communities and unlock extraordinary generosity.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Lautman Maska Neill & Companylautmandc.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 64 contacts → |
“Lautman Maska Neill & Company is an award-winning direct response consulting firm specializing in fully-integrated fundraising exclusively for nonprofits.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Graham-Peltongrahampelton.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 59 contacts → |
“Graham-Pelton is the fundraising consulting firm chosen by leading nonprofits worldwide.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Major donor consulting firms: dataset insights
September 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,428 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,429 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Major donor consulting firms by location
13 lists · largest firstEvery Major donor consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Major donor consulting firms based in the United States1,402
- Major donor consulting firms based in Canada107
- Major donor consulting firms based in the United Kingdom100
- Major donor consulting firms based in Australia38
Cities
- Major donor consulting firms based in New York, United States75
- Major donor consulting firms based in Washington, United States56
- Major donor consulting firms based in Chicago, United States51
- Major donor consulting firms based in Atlanta, United States38
- Major donor consulting firms based in Seattle, United States32
- Major donor consulting firms based in Los Angeles, United States31
- Major donor consulting firms based in London, United Kingdom29
- Major donor consulting firms based in Toronto, Canada28
- Major donor consulting firms based in Boston, United States25
Questions about this company list
What does Exact match mean for major donor consulting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many major donor consulting firms did RevenueBase find worldwide?
The saved snapshot records 2,429 matching company records, 13,651 tracked contacts and 6,117 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 major donor consulting firms worldwide. Snapshot: September 28, 2026. https://revenuebase.ai/companies/browse/major-donor-consulting-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗