Company lists · Data refreshed September 2026

Top 25 Big 5 law firms based in Baton Rouge, United States

Name: Big 5 law firms based in Baton Rouge, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 35 companies tracked

RevenueBase identified 35 company matches for big 5 law firms associated with Baton Rouge, United States as of September 2026 and tracks 944 professional contacts across them, including 595 with verified work emails. Across the United States, New York is the largest hub for this category (1,021 companies); Baton Rouge has 35.

This list covers company matches for big 5 law firms associated with Baton Rouge, United States, 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 23, 2026.

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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 23, 2026 How this list was built

35Companies

944Contacts tracked

595Verified emails

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The 25 largest big 5 law firms based in Baton Rouge, United States

Ranked by team size

Top 25 of 35 company matches for big 5 law firms based in Baton Rouge, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Kean Miller	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	201-500	452 contacts →
	Exact match “Just as oil and gas must be refined to unlock their true potential, we at Kean Miller continuously optimize our legal approach to help transform business complexities into new…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
2	Breazeale Sachse And Wilson LLP	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	51-200	145 contacts →
	Exact match “Breazeale, Sachse & Wilson, L.L.P.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
3	Taylor Porter	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	51-200	133 contacts →
	Exact match “Taylor Porter represents a diverse range of local, regional, and national clients in the most complex transactions and litigation across a variety of industries.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
4	Keogh COX	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	51-200	55 contacts →
	Exact match “Keogh Cox is an AV-rated* law firm that has provided legal services in Baton Rouge and beyond since 1969.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5	Bienvenu, Foco & Viator, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	23 contacts →
	Exact match “Bienvenu, Foco and Viator, LLC is a full service law firm dedicated to treating our clients as partners, whether large corporations engaged in complex litigation or transactions…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6	Long LAW Firm	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	20 contacts →
	Exact match “At Long Law Firm, we pride ourselves on partnering with clients to handle all legal aspects of their businesses quickly and efficiently with an emphasis on personal service.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
7	Laperouse LAW	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	15 contacts →
	Exact match “Laperouse Patin, LLC \| Baton Rouge, Louisiana 8034 Jefferson Hwy, Baton Rouge, LA 70809 (225) 416-0614 Laperouse Kennedy, PC \| Dallas, Texas 5220 Spring Valley Rd.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
8	Roedel Parsons Blache Fontana Piontek & Pisano, A L.C	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	51-200	11 contacts →
	Exact match “Providing quality, timely and affordable legal, governmental, and litigation services to individuals, businesses, and governmental agencies throughout Louisiana.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9	Dunlap Fiore, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	1-10	9 contacts →
	Exact match “The law firm of Dunlap Fiore, LLC, provides straightforward and effective legal solutions for businesses, insurance companies, construction contractors and other business entities…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10	Decuir, Clark, And Adams, LLP	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	1-10	6 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11	Bonnecaze Mckernan	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	1-10	5 contacts →
	Exact match “Bonnecaze McKernan launched in November 2023 with a focus on combining legal excellence with top-tier operational and client service expertise.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
12	Lukinovich, A Professional LAW Corporation	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	5 contacts →
	Exact match “LUKINOVICH, A PROFESSIONAL LAW CORPORATION is a law practice company based out of 717 HIGHLANDIA DRIVE, BATON ROUGE, Louisiana, United States.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13	Hymel Davis & Petersen	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	4 contacts →
	Exact match “Experienced Representation for Individuals & Businesses The law office of Hymel Davis & Petersen – Attorneys and Counselors at Law was founded by three veteran federal prosecutors…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14	Ezell LAW Firm, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	1-10	3 contacts →
	Exact match “Ezell Law Firm, LLC provides strategic legal counsel to individuals and businesses across Louisiana, with a focus on complex regulatory, business, and financial matters.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15	Akers & Wisbar, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	1-10	3 contacts →
	Exact match “Akers & Wisbar, L.L.C.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16	Marionneaux Kantrow, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	1-10	3 contacts →
	Exact match “Marionneaux Kantrow, LLC is a Louisiana law firm which assists businesses of all sizes by providing practical advice and solutions to legal, regulatory, and strategic issues…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17	Melancon, Rimes & Daquanno	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	1-10	3 contacts →
	Exact match “Melancon Rimes & Daquanno represents individuals and businesses in personal or economic injury litigation.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	Newsome International Law, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	1-10	2 contacts →
	Exact match “Located in Baton Rouge, Louisiana, Newsome International Law, LLC is a law firm that supports its clients in their endeavors throughout the world.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19	Hammonds, Sills, Adkins & Guice, LLP	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	Carleton Shoenfelt & Chapman, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	2 contacts →
	Exact match “With decades of combined legal experience practicing in southern Louisiana, the lawyers of the law firm of Carleton Hebert & Shoenfelt, LLC, serve a wide range of individuals…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
21	Donohue Patrick Pllc	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	Kleinpeter & Kleinpeter, L.L.C	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	1-10	1 contacts →
	Exact match “Whether you're looking for sound advice in your commercial dealings or your business is facing a lawsuit, Kleinpeter & Kleinpeter, L.L.C.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
23	Zito Law, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	1-10	1 contacts →
	Exact match “Strategic legal solutions.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24	Kleinpeter Schwartzberg Boutwell, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	1-10	1 contacts →
	Exact match “KLEINPETER & SCHWARTZBERG, LLC is a law practice company based out of 6651 JEFFERSON HWY, BATON ROUGE, Louisiana, United States.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25	Sparks LAW Group	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	1-10	1 contacts →
	Exact match “As attorneys at Sparks Law Group, we take pride in our commitment to both our clients as well as our community.” Recorded in the RevenueBase company graph · Sep 23, 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 “big 5 law 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 35 big 5 law firms based in Baton Rouge, United States

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Big 5 law firms based in Baton Rouge, United States at a glance

As of Sep 23, 2026

63.0%Verified-email coverage

27.0Average contacts per company

1-10Median size (employees)

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for Baton Rouge, so it is reported there. Company counts and contact totals on this page are exact for Baton Rouge, over 35 companies.

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.
What qualifies: Company records associated with Baton Rouge, United States whose business descriptions match “big 5 law 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 595 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 23, 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.

Big 5 law firms by metro in the United States

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 “big 5 law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many big 5 law firms are there based in Baton Rouge, United States?

RevenueBase identified 35 company matches for big 5 law firms associated with Baton Rouge, United States 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?

Kean Miller tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most big 5 law firms?

New York leads the United States with 1,021 company records, followed by Chicago (492) and Los Angeles (477). Baton Rouge has 35.

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 595 professional contacts with verified work emails tracked across these 35 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 23, 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 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.