Company lists · Data refreshed September 2026

Top 23 Law firm process outsourcing companies based in Washington, United States

Name: Law firm process outsourcing companies based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 38 companies tracked

RevenueBase identified 38 law firm process outsourcing companies headquartered in Washington, United States as of September 2026 and tracks 4,127 professional contacts across them, including 2,166 with verified work emails. Across the United States, New York is the largest hub for this category (149 companies); Washington has 38.

This list covers law firm process outsourcing companies headquartered in Washington, 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 28, 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 28, 2026 86% judged on-target in blind review

38Companies

4,127Contacts tracked

2,166Verified emails

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The 23 largest law firm process outsourcing companies based in Washington, United States

Ranked by team size

Top 23 of 38 law firm process outsourcing companies based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to law firm process outsourcing companies: 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	Consilio LLC	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1,001-5,000	3,406 contacts →
	Indirect evidence “Consilio stands as the global leader in eDiscovery, document review, flexible legal talent, and legal advisory & transformation consulting services.” Source: RevenueBase Database · checked Sep 28, 2026
2	Mckenna Long & Aldridge LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1,001-5,000	313 contacts →
	Indirect evidence “Dentons is proud to announce that the merger between Dentons US and McKenna Long & Aldridge is complete.” Source: RevenueBase Database · checked Sep 28, 2026
3	Barrister Digital Solutions	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	501-1,000	135 contacts →
	Indirect evidence “Barrister Digital is now part of Array.” Source: RevenueBase Database · checked Sep 28, 2026
4	Contact Discovery Services	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	51-200	47 contacts →
	Indirect evidence “Contact’s team is composed of technologists and legal professionals who understand superior service determines the success of all our client relationships.” Source: RevenueBase Database · checked Sep 28, 2026
5	Esentio Technologies	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	35 contacts →
	Partial evidence “eSentio Technologies is a leading provider of business and technology consulting and implementation services to the world’s largest law firms.” Source: RevenueBase Database · checked Sep 28, 2026
6	Weisbrod Matteis & Copley Pllc	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	51-200	25 contacts →
	Indirect evidence “You can count on Weisbrod Matteis & Copley when the stakes are high.” Source: RevenueBase Database · checked Sep 28, 2026
7	Garrison	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	22 contacts →
	Partial evidence “Elite attorneys, law firms, and corporations align with Garrison because of our approach: a blend of intellectual rigor and emotional understanding.” Source: RevenueBase Database · checked Sep 28, 2026
8	Alderson Court Reporting	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	19 contacts →
	Indirect evidence “From eDiscovery, Managed Review and Court Reporting (including Concise® Deposition Digesting, video synchronization, and digital video services) to Legal Staffing and…” Source: RevenueBase Database · checked Sep 28, 2026
9	Lawvisory	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	16 contacts →
	Partial evidence “The vision for LawVisory is a law firm that services its clients with the highest level of excellence and integrity, while also allowing legal and consulting services to be…” Source: RevenueBase Database · checked Sep 28, 2026
10	MEI & Mark LLP	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	13 contacts →
	Partial evidence “Founded in February 2009, Mei & Mark LLP is a minority-owned law firm based in Washington, DC, and has been recognized as one of the Go-To Law Firms at the Top 500 Companies by…” Source: RevenueBase Database · checked Sep 28, 2026
11	Karta Legal LLC	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	13 contacts →
	Indirect evidence “Karta Legal: Your Strategic Partner in Legal Innovation In an era where legal complexities are ever-evolving, Karta Legal stands as a beacon of transformative change.” Source: RevenueBase Database · checked Sep 28, 2026
12	LAW Counsel Professional Staffing	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	11 contacts →
	Partial evidence “Law Counsel delivers a comprehensive portfolio of legal staffing and document review services to law firms and corporate law departments.” Source: RevenueBase Database · checked Sep 28, 2026
13	Mitratech Advancelaw	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	10 contacts →
	Indirect evidence “In May 2021, AdvanceLaw was acquired by Mitratech, a proven global technology partner and trusted provider of end-to-end solutions designed to help corporate legal, HR, risk, and…” Source: RevenueBase Database · checked Sep 28, 2026
14	Potomac LAW Group, Pllc	Partial evidence	Washington, United StatesHQ checked Sep 28, 2026	51-200	6 contacts →
	Partial evidence “Potomac Law is a full-service, national law firm that advises clients on complex legal matters at a fraction of typical industry rates.” Source: RevenueBase Database · checked Sep 28, 2026
15	Digisource LLC	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	6 contacts →
	Indirect evidence “DigiSource LLC is a technology company focused on finding intelligent and effective solutions to the ever-increasing challenges of litigation support.” Source: RevenueBase Database · checked Sep 28, 2026
16	Clinton & Peed	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	5 contacts →
	Indirect evidence “We are a small firm that punches far above its weight.” Source: RevenueBase Database · checked Sep 28, 2026
17	Legal Corner LLP	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	5 contacts →
	Partial evidence “Key practice areas include General Corporate, Corporate Governance, Mergers and Acquisitions, Private Offerings, Employment and Labor Laws, Business and Employment Contracts…” Source: RevenueBase Database · checked Sep 28, 2026
18	Casedriven Technologies	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	4 contacts →
	Indirect evidence “CaseDriven is a full service document management company providing cost-effective solutions for all your litigation support, records management & conversion needs.” Source: RevenueBase Database · checked Sep 28, 2026
19	The Attorney Search Group	Partial evidence	Washington, United StatesHQ checked Sep 28, 2026	1-10	4 contacts →
	Partial evidence “We help partners and associates fulfill their career vision by placing them in law firms that are better aligned to their goals and aspirations.” Source: RevenueBase Database · checked Sep 28, 2026
20	PAT Taylor & Associates, INC	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	3 contacts →
	Partial evidence “Passion for the Process, Respect for Colleagues, and Appreciation for the Common Goal Since 1992, these three principles helped PTA aggressively expand from one woman’s vision to…” Source: RevenueBase Database · checked Sep 28, 2026
21	Thompson Hine & Flory	Indirect evidence	Washington, United StatesHQ checked Sep 28, 2026	51-200	2 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
22	Grover Bond	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	1 contacts →
	Indirect evidence “Grover Bond is a legal search firm based in Washington, DC specializing in lateral partner placements nationwide and in London, with a particular focus on targeted and exclusive…” Source: RevenueBase Database · checked Sep 28, 2026
23	Alberlon	Partial evidence	Washington, United StatesHQ checked Sep 28, 2026	1-10	1 contacts →
	Partial evidence “Alberlon delivers electronic discovery consulting and LPO services to law firms and corporate legal departments.” Source: RevenueBase Database · checked Sep 28, 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: law firm process outsourcing companies. 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 law firm process outsourcing companies.
Partial evidence: Its own public description names part of law firm process outsourcing companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name law firm process outsourcing companies. 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 23 of 38 law firm process outsourcing companies based in Washington, United States

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Law firm process outsourcing companies based in Washington, United States at a glance

As of Sep 28, 2026

52.5%Verified-email coverage

108.6Average contacts per company

1-10Median size (employees)

Sep 28, 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 Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 38 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 law firm process outsourcing companies, 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 Washington, United States whose own description of what they do matches “law firm process outsourcing companies”. 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 law firm process outsourcing companies), 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 law firm process outsourcing companies, and records with no verified work email. Companies headquartered outside Washington 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, 2,166 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 28, 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.

Law firm process outsourcing companies 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 law firm process outsourcing companies, 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 law firm process outsourcing companies are there based in Washington, United States?

RevenueBase identified 38 law firm process outsourcing companies headquartered in Washington, 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?

Consilio LLC, headquartered in Washington, tops this list with the largest team on record.

Which city in the United States has the most law firm process outsourcing companies?

New York leads the United States with 149 headquartered companies, followed by Los Angeles (79) and Chicago (74). Washington has 38.

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 2,166 verified decision-maker contacts tracked across these 38 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 28, 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.