Company lists · Data refreshed September 2026
Top 25 Advocacy organizations consulting firms based in Columbia, United States
RevenueBase identified 49 advocacy organizations consulting firms headquartered in Columbia, United States as of September 2026 and tracks 2,287 professional contacts across them, including 1,335 with verified work emails. Across the United States, Washington is the largest hub for this category (1,296 companies); Columbia has 49.
This list covers advocacy organizations consulting firms headquartered in Columbia, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 advocacy organizations consulting firms based in Columbia, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,012 contacts → | ||||
Indirect evidence “Established in 1897, Nelson Mullins is an Am Law 100 firm of more than attorneys, policy advisors and professionals with 33 offices in 17 states and Washington, D.C.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 72 contacts → | ||||
Partial evidence “For over 25 years, Bauknight Pietras & Stormer, PA, has been one of the Southeast’s largest and most trusted accounting and consulting firms, using our extensive experience in…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 67 contacts → | ||||
Partial evidence “A-G Associates is an award-winning, Service-Disabled Veteran-Owned Small Business (SDVOSB) and SBA 8(a) federal consulting firm delivering high-impact strategy, stakeholder…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 11 contacts → | ||||
Partial evidence “Capitol Consultants is a professional governmental affairs, association management and event consulting company based in Columbia.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 8 contacts → | ||||
Partial evidence “The Family Legal Advocacy Group’s (FLAG) mission is to provide advocacy and education for our clients in family law, child welfare, and education matters.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 8 contacts → | ||||
Indirect evidence “Since 1989, Capitol Information Affiliates has been representing companies and their legislative interests.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 7 contacts → | ||||
Partial evidence “Watershed Consulting Group is committed to projects and clients that lift communities.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 7 contacts → | ||||
Strong evidence “Splaine Consulting works with corporate and non-profit entities to develop advocacy campaigns and policy strategies for Alzheimer’s and dementia, health, public health and…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 5 contacts → | ||||
Indirect evidence “Everyone faces challenges on the road to achieving their goals.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 4 contacts → | ||||
Indirect evidence “The Napa Group helps your organization adapt to the ever-changing education and business environment.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 4 contacts → | ||||
Partial evidence “We bring urgency to public advocacy and make sure good people with great ideas don’t get lost in the shuffle.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 4 contacts → | ||||
Partial evidence “Founded in 2018, CityBright is a political and communications consulting firm created to empower & enlighten the strategies of leaders and fill bandwidth gaps existing in the…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 4 contacts → | ||||
Partial evidence “Marimac Insight is a unique management consulting firm committed to empowering science, advancing business, and building the future through innovative insights, strategies, and…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 3 contacts → | ||||
Partial evidence “Parker Poe Consulting offers a broad range of law-related services in the areas of government relations, local government consulting, economic development, and site selection.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 3 contacts → | ||||
Partial evidence “Advancement Strategy Consulting is a consulting company with a purpose.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 3 contacts → | ||||
Partial evidence “Cooke Consulting Solutions provides communications strategy solutions, generating meaningful storytelling that creates engagement and conversion.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 2 contacts → | ||||
Indirect evidence “When the mission is critical, our clients depend on J.A.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 2 contacts → | ||||
Indirect evidence “Our mission is to foster excellence in association volunteerism, leadership and member communities.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2 contacts → | ||||
Partial evidence “Lobbying Legislative Monitoring Consulting Strategic Communications Business Development Legislative Strategy Coalition Building Legislative Drafting Grassroots/Grasstops” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 2 contacts → | ||||
Indirect evidence “Erika Dawkins Communications is a boutique creative communications consultancy that believes in creating dynamic stories and visuals that connect organizations to their audiences.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1 contacts → | ||||
Indirect evidence “With over a decade of experience in the non-profit world, Zenger Strategies can help you build your dreams from the ground up.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 contacts → | ||||
Indirect evidence “Nail your market message without overwhelming or "dumbing down" the tech.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 contacts → | ||||
Partial evidence “Red Olive Creative Consulting is a boutique nonprofit consulting firm based in Columbia, South Carolina and New York City.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Indirect evidence “Homeyer Strategy Group (HSG) is a full-service communications firm that partners with corporations, elected leaders and non-profits to raise awareness, build relationships with…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Indirect evidence “Alpha Strategies is a South Carolina-based government affairs and public policy firm advising nonprofits, associations, and mission-driven organizations navigating complex…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: advocacy organizations consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names advocacy organizations consulting firms.
- Partial evidence
- Its own public description names part of advocacy organizations consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name advocacy organizations consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 49 advocacy organizations consulting firms based in Columbia, United States
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,335 reachable decision-makers.
Free signup · no credit card
Advocacy organizations consulting firms based in Columbia, United States at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Columbia, so it is reported there. Company counts and contact totals on this page are exact for Columbia, over 49 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among advocacy organizations consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Columbia, United States whose own description of what they do matches “advocacy organizations consulting firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names advocacy organizations consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among advocacy organizations consulting firms, and records with no verified work email. Companies headquartered outside Columbia are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 1,335 across the full list. 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 27, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Advocacy organizations consulting firms by metro in the United States
- Advocacy organizations consulting firms in Washington1296
- Advocacy organizations consulting firms in New York600
- Advocacy organizations consulting firms in Chicago327
- Advocacy organizations consulting firms in Los Angeles288
- Advocacy organizations consulting firms in Atlanta251
- Advocacy organizations consulting firms in Austin211
- Advocacy organizations consulting firms in Sacramento189
- Advocacy organizations consulting firms in Boston184
- Advocacy organizations consulting firms in Seattle176
- Advocacy organizations consulting firms in San Francisco160
- Advocacy organizations consulting firms in Denver158
- Advocacy organizations consulting firms in Dallas145
- Advocacy organizations consulting firms in Houston143
- Advocacy organizations consulting firms in Arlington142
- Advocacy organizations consulting firms in Philadelphia142
- Advocacy organizations consulting firms in Alexandria139
- Advocacy organizations consulting firms in Miami125
- Advocacy organizations consulting firms in Phoenix119
- Advocacy organizations consulting firms in Portland116
- Advocacy organizations consulting firms in Columbus92
- Advocacy organizations consulting firms in Minneapolis90
- Advocacy organizations consulting firms in San Diego90
- Advocacy organizations consulting firms in Indianapolis85
- Advocacy organizations consulting firms in Nashville84
- Advocacy organizations consulting firms in Richmond77
- Advocacy organizations consulting firms in Tallahassee76
- Advocacy organizations consulting firms in Raleigh70
- Advocacy organizations consulting firms in Oakland66
- Advocacy organizations consulting firms in Las Vegas59
- Advocacy organizations consulting firms in Tampa58
- Advocacy organizations consulting firms in Baltimore55
- Advocacy organizations consulting firms in Charlotte53
- Advocacy organizations consulting firms in Orlando53
- Advocacy organizations consulting firms in San Antonio52
- Advocacy organizations consulting firms in New Orleans50
- Advocacy organizations consulting firms in Albany49
- Advocacy organizations consulting firms in Madison47
- Advocacy organizations consulting firms in Bethesda45
- Advocacy organizations consulting firms in Cleveland44
- Advocacy organizations consulting firms in Annapolis43
- Advocacy organizations consulting firms in Brooklyn43
- Advocacy organizations consulting firms in Detroit43
- Advocacy organizations consulting firms in Fairfax41
- Advocacy organizations consulting firms in Kansas City41
- Advocacy organizations consulting firms in Lansing41
- Advocacy organizations consulting firms in Pittsburgh41
- Advocacy organizations consulting firms in Harrisburg40
- Advocacy organizations consulting firms in Charleston39
- Advocacy organizations consulting firms in Jacksonville37
- Advocacy organizations consulting firms in Silver Spring37
- Advocacy organizations consulting firms in Milwaukee36
- Advocacy organizations consulting firms in Springfield35
- Advocacy organizations consulting firms in Mclean34
- Advocacy organizations consulting firms in Oklahoma City34
- Advocacy organizations consulting firms in Cincinnati33
- Advocacy organizations consulting firms in St. Louis33
- Advocacy organizations consulting firms in Salt Lake City32
- Advocacy organizations consulting firms in Baton Rouge31
- Advocacy organizations consulting firms in Fort Lauderdale31
- Advocacy organizations consulting firms in Rockville31
- Advocacy organizations consulting firms in Trenton31
- Advocacy organizations consulting firms in Louisville30
- Advocacy organizations consulting firms in Birmingham28
- Advocacy organizations consulting firms in Colorado Springs28
- Advocacy organizations consulting firms in Lexington28
- Advocacy organizations consulting firms in Scottsdale27
- Advocacy organizations consulting firms in Durham26
- Advocacy organizations consulting firms in Berkeley25
- Advocacy organizations consulting firms in Fort Worth25
- Advocacy organizations consulting firms in Hartford25
- Advocacy organizations consulting firms in Little Rock25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names advocacy organizations consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many advocacy organizations consulting firms are there based in Columbia, United States?
RevenueBase identified 49 advocacy organizations consulting firms headquartered in Columbia, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Nelson Mullins Riley & Scarborough, headquartered in Columbia, tops this list with the largest team on record.
Which city in the United States has the most advocacy organizations consulting firms?
Washington leads the United States with 1,296 headquartered companies, followed by New York (600) and Chicago (327). Columbia has 49.
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,335 verified decision-maker contacts tracked across these 49 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 49 advocacy organizations consulting firms based in Columbia, United States. Start with a free account, no credit card.
Download this list →Related lists
Advocacy organizations consulting firms by geography
- Advocacy organizations consulting firms based in Adelaide, Australia
- Advocacy organizations consulting firms based in Brisbane, Australia
- Advocacy organizations consulting firms based in Canberra, Australia
- Advocacy organizations consulting firms based in Melbourne, Australia
- Advocacy organizations consulting firms based in Perth, Australia
- Advocacy organizations consulting firms based in Sydney, Australia
- Advocacy organizations consulting firms based in Belo Horizonte, Brazil
- Advocacy organizations consulting firms based in Brasilia, Brazil
- Advocacy organizations consulting firms based in Curitiba, Brazil
- Advocacy organizations consulting firms based in Porto Alegre, Brazil
- Advocacy organizations consulting firms based in Recife, Brazil
- Advocacy organizations consulting firms based in Rio De Janeiro, Brazil
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 Smart Search, 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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Advocacy organizations consulting firms based in Adelaide, Australia
- Advocacy organizations consulting firms based in Brisbane, Australia
- Advocacy organizations consulting firms based in Canberra, Australia
- Advocacy organizations consulting firms based in Melbourne, Australia
- Advocacy organizations consulting firms based in Perth, Australia
- Advocacy organizations consulting firms based in Sydney, Australia