Company lists · Data refreshed September 2026
Top 25 Law firm process outsourcing companies based in Chicago, United States
RevenueBase identified 74 law firm process outsourcing companies headquartered in Chicago, United States as of September 2026 and tracks 7,503 professional contacts across them, including 3,940 with verified work emails. Across the United States, New York is the largest hub for this category (149 companies); Chicago has 74.
This list covers law firm process outsourcing companies headquartered in Chicago, 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.
The 25 largest law firm process outsourcing companies based in Chicago, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,167 contacts → | ||||
Indirect evidence “High stakes.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,188 contacts → | ||||
Partial evidence “Hinshaw & Culbertson LLP is a U.S-based law firm with offices nationwide.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 900 contacts → | ||||
Indirect evidence “Litera has been at the forefront of legal technology for 25+ years.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 698 contacts → | ||||
Indirect evidence “Harbor is the preeminent provider of expert services across strategy, legal technology, operations, and intelligence.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 424 contacts → | ||||
Partial evidence “DWF's Legal Operations Division (formerly Mindcrest) is the Group's alternative legal services provider, serving major corporates and law firms, globally.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 297 contacts → | ||||
Indirect evidence “Schiff Hardin LLP is now ArentFox Schiff.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 217 contacts → | ||||
Strong evidence “247Digitize is an outsourcing and tech partner that optimizes and manages non-core processes so your key resources can focus on productivity and growth.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 143 contacts → | ||||
Partial evidence “ABOUT US Hire Counsel, a Purpose Legal company, provides specialized legal staffing and managed review services for law firms, corporations, and government agencies.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 102 contacts → | ||||
Indirect evidence “Since its founding in 1929, Masuda Funai has focused its practice on successfully representing international and domestic companies entering, operating and expanding in the United…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 93 contacts → | ||||
Partial evidence “Fox Swibel is Chicago’s leading boutique business law firm.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 81 contacts → | ||||
Partial evidence “BlueStar Case Solutions is a premier litigation-support and e-discovery partner trusted by law firms, corporate legal departments, and government agencies to manage high-stakes…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 68 contacts → | ||||
Partial evidence “Downey & Lenkov LLC was founded in 2001 by professionals from large Chicago law firms who are committed to providing world-class service but prefer a mid-sized firm setting.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 31 contacts → | ||||
Partial evidence “Amata is an alternative legal services provider for solo practice and partner practice law firms.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 29 contacts → | ||||
Partial evidence “Source Consulting Group LLC is the premier full-service consulting firm focusing exclusively on the strategic and operational business process and technology needs of legal and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 18 contacts → | ||||
Partial evidence “We are UNBIASED, experienced, consultants that help law firms and law departments improve client service delivery, enhance business operations and leverage technology solutions.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 17 contacts → | ||||
Partial evidence “Builden Partners is changing the way law firms think about legal marketing, content development and media strategy and helping them develop and execute marketing strategies to…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 17 contacts → | ||||
Partial evidence “McCarthy Duffy LLP is a business-focused law firm that has been supporting clients in the Midwest and around the world for over 100 years.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 16 contacts → | ||||
Indirect evidence “At Scharf Banks Marmor LLC, we represent large global enterprises, public and private U.S.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 16 contacts → | ||||
Partial evidence “Founded by a team of Big Law veterans, our firm blends the nimble entrepreneurialism of a boutique start-up with the wisdom and experience that comes from decades of deftly…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 15 contacts → | ||||
Partial evidence “The attorneys at Ziliak Law care about your business.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 14 contacts → | ||||
Partial evidence “Since 1984, leading law firms and corporations have turned to Law Resources for flexible staffing solutions when they seek paralegals, attorneys and legal support staff.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 13 contacts → | ||||
Partial evidence “Hart David Carson LLP is a national law firm redefining how corporate counsel is delivered.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 12 contacts → | ||||
Partial evidence “Mandell Menkes is a boutique law firm dedicated to providing our clients the highest quality of legal services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 10 contacts → | ||||
Indirect evidence “Chicago Legal Search, celebrating its 37th anniversary this year, is focused on attorney placement in the Chicagoland area.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 9 contacts → | ||||
Partial evidence “Parikh Law Group, LLC is focused on helping its clients reach the best outcome for their legal matters.” Source: RevenueBase Database · checked Sep 28, 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: 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 25 of 74 law firm process outsourcing companies based in Chicago, United States
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Law firm process outsourcing companies based in Chicago, United States at a glance
As of Sep 28, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 74 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 Chicago, 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 Chicago 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, 3,940 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
- Law firm process outsourcing companies in New York149
- Law firm process outsourcing companies in Los Angeles79
- Law firm process outsourcing companies in Atlanta62
- Law firm process outsourcing companies in Dallas59
- Law firm process outsourcing companies in Houston54
- Law firm process outsourcing companies in Miami52
- Law firm process outsourcing companies in San Francisco45
- Law firm process outsourcing companies in Washington38
- Law firm process outsourcing companies in Las Vegas27
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 Chicago, United States?
RevenueBase identified 74 law firm process outsourcing companies headquartered in Chicago, 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?
Seyfarth Shaw LLP, headquartered in Chicago, 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).
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 3,940 verified decision-maker contacts tracked across these 74 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.
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