Company lists · Data refreshed September 2026

Top 25 Regulatory law firms based in Columbia, United States

Name: Regulatory law firms based in Columbia, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 35 companies tracked

RevenueBase identified 35 regulatory law firms headquartered in Columbia, United States as of September 2026 and tracks 2,637 professional contacts across them, including 1,485 with verified work emails. Across the United States, New York is the largest hub for this category (423 companies); Columbia has 35.

This list covers regulatory law 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 29, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review

35Companies

2,637Contacts tracked

1,485Verified emails

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The 25 largest regulatory law firms based in Columbia, United States

Ranked by team size

Top 25 of 35 regulatory law firms based in Columbia, United States, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to regulatory law firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Nelson Mullins Riley & Scarborough	Partial evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	1,001-5,000	2,012 contacts →
	Partial 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 29, 2026
2	Nexsen Pruet, NOW Maynard Nexsen	Indirect evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	501-1,000	185 contacts →
	Indirect evidence “Nexsen Pruet merged with Maynard Cooper & Gale in 2023.” Source: RevenueBase Database · checked Sep 29, 2026
3	Robinson Gray	Indirect evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	51-200	72 contacts →
	Indirect evidence “At Robinson Gray, our mission is to provide exceptional client service, to promote excellence among attorneys and staff, and to encourage professionalism and inclusion in our…” Source: RevenueBase Database · checked Sep 29, 2026
4	Blair Cato Pickren Casterline, LLC	Indirect evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	51-200	62 contacts →
	Indirect evidence “You deserve experienced attorneys who provide personal attention and know how to help you.” Source: RevenueBase Database · checked Sep 29, 2026
5	Callison Tighe & Robinson, LLC	Indirect evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	51-200	39 contacts →
	Indirect evidence “Callison Tighe combines the service expected from a small firm with the experience and capabilities typically found in larger firms.” Source: RevenueBase Database · checked Sep 29, 2026
6	Snyder Kearney, LLC	Partial evidence	Columbia, MD, United StatesHQ checked Sep 29, 2026	11-50	27 contacts →
	Partial evidence “Our law firm combines highly specialized legal expertise with business and financial acumen, which allows us to provide our clients with focused intelligence and due diligence on…” Source: RevenueBase Database · checked Sep 29, 2026
7	Burnette Shutt & Mcdaniel, PA	Indirect evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	11-50	21 contacts →
	Indirect evidence “The 11 attorneys at Burnette Shutt & McDaniel in Columbia, SC, are experienced litigators and determined advocates, representing individuals and business of all sizes in a range…” Source: RevenueBase Database · checked Sep 29, 2026
8	Amenity Consulting LLC	Indirect evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	11-50	17 contacts →
	Indirect evidence “Founded in 2008 as a small, woman-owned business, Amenity Consulting is a South Carolina-based healthcare consulting firm that provides the healthcare industry with a range of…” Source: RevenueBase Database · checked Sep 29, 2026
9	Cromer Babb & Porter, LLC	Partial evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	11-50	15 contacts →
	Partial evidence “Cromer Babb Porter & Hicks, LLC is a law firm focusing primarily in the area of employment law.” Source: RevenueBase Database · checked Sep 29, 2026
10	Lafave Bagley, LLC	Indirect evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	11-50	15 contacts →
	Indirect evidence “Experienced and skilled litigators, committed to offering the strongest possible defense in a full range of civil lawsuits.” Source: RevenueBase Database · checked Sep 29, 2026
11	Boykin & Davis LLC	Partial evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	1-10	13 contacts →
	Partial evidence “Boykin & Davis, LLC is a law firm organized to provide quality legal services to governmental entities, school districts, educational institutions, business entities, and…” Source: RevenueBase Database · checked Sep 29, 2026
12	Rogers Lewis Jackson & Mann, LLC	Partial evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	11-50	12 contacts →
	Partial evidence “Rogers Lewis is a business and real estate law firm located in Columbia, South Carolina.” Source: RevenueBase Database · checked Sep 29, 2026
13	Scott & Corley, PA	Partial evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	11-50	7 contacts →
	Partial evidence “Scott & Corley, P.A.(formerly Scott Law Firm, P.A.) offers statewide representation to banks, mortgage lenders, servicers and all legal services are rendered in compliance with…” Source: RevenueBase Database · checked Sep 29, 2026
14	Duff, White & Turner, LLC	Indirect evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	11-50	6 contacts →
	Indirect evidence “Duff, White & Turner, L.L.C.” Source: RevenueBase Database · checked Sep 29, 2026
15	Willoughby Humphrey & D'antoni, PA	Indirect evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	11-50	5 contacts →
	Indirect evidence “We know that successfully handling complex cases requires experience, agility, and personal attention.” Source: RevenueBase Database · checked Sep 29, 2026
16	Btlg Business & Technology LAW Group	Partial evidence	Columbia, MD, United StatesHQ checked Sep 29, 2026	11-50	5 contacts →
	Partial evidence “A full-service law firm for business” Source: RevenueBase Database · checked Sep 29, 2026
17	Sung Hwang & KIM LLP	Indirect evidence	Columbia, MD, United StatesHQ checked Sep 29, 2026	1-10	5 contacts →
	Indirect evidence “Sung Hwang & Kim LLP is a company based out of 9256 Bendix Rd #109, Columbia, Maryland, United States.” Source: RevenueBase Database · checked Sep 29, 2026
18	Brown LAW	Partial evidence	Columbia, MO, United StatesHQ checked Sep 29, 2026	1-10	5 contacts →
	Partial evidence “Brown Law represents businesses and individuals in major transactions and high stakes litigation.” Source: RevenueBase Database · checked Sep 29, 2026
19	Gleissner LAW Firm, LLC	Partial evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	1-10	3 contacts →
	Partial evidence “Valuing long-term client relationships, Gleissner Law makes it a priority to help contribute to its client’s success, whether that means solving a problem or helping to achieve…” Source: RevenueBase Database · checked Sep 29, 2026
20	Sullivan LAW Firm, PC	Indirect evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	1-10	3 contacts →
	Indirect evidence “Edward D.” Source: RevenueBase Database · checked Sep 29, 2026
21	Helen Wade And Marjorie Lewis	Indirect evidence	Columbia, MO, United StatesHQ checked Sep 29, 2026	1-10	2 contacts →
	Indirect evidence “We provide Columbia with legal advice, responsive communications and hands-on industry knowledge.” Source: RevenueBase Database · checked Sep 29, 2026
22	Griffin & Davis, LLC	Partial evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	51-200	2 contacts →
	Partial evidence “Griffin & Davis, LLC, is a law firm based in Columbia, South Carolina, but with broad national experience.” Source: RevenueBase Database · checked Sep 29, 2026
23	LAW Offices Of Addison-Darden	Partial evidence	Columbia, MD, United StatesHQ checked Sep 29, 2026	11-50	2 contacts →
	Partial evidence “Over the course of three (3) decades of legal practice, the unique ‘ Mother-Son” law firm of Addison-Darden has earned a reputation with clients as lawyers who are skilled and…” Source: RevenueBase Database · checked Sep 29, 2026
24	Sang H Kang & Associates, PA	Indirect evidence	Columbia, MD, United StatesHQ checked Sep 29, 2026	11-50	1 contacts →
	Indirect evidence “Our firm provides outstanding service to our clients because of our dedication to the three underlying principles of professionalism, responsiveness, and quality.” Source: RevenueBase Database · checked Sep 29, 2026
25	Lindemann LAW Firm, P.A	Indirect evidence	Columbia, SC, United StatesHQ checked Sep 29, 2026	1-10	1 contacts →
	Indirect evidence “Our firm strives to create and maintain a cooperative, cost-conscious relationship with our clients.” Source: RevenueBase Database · checked Sep 29, 2026

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: regulatory law 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 regulatory law firms.
Partial evidence: Its own public description names part of regulatory law firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name regulatory law 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 35 regulatory law firms based in Columbia, United States

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Regulatory law firms based in Columbia, United States at a glance

As of Sep 29, 2026

56.3%Verified-email coverage

75.3Average contacts per company

11-50Median size (employees)

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

1,001-5,000

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 35 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 regulatory law 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 “regulatory law 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 regulatory law 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 regulatory law 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, 1,485 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 29, 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.

Regulatory law firms by metro in the United States

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 regulatory law 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 regulatory law firms are there based in Columbia, United States?

RevenueBase identified 35 regulatory law 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 regulatory law firms?

New York leads the United States with 423 headquartered companies, followed by Washington (302) and Chicago (230). Columbia has 35.

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 1,485 verified decision-maker contacts tracked across these 35 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 29, 2026.

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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 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.