Law Firms

NAICS 541110
Law Firms

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Industry Summary

The 156,583 law practices in the US provide advocacy and advisory services to businesses, non-profit organizations, individuals, and government agencies. The practice of civil law accounts for 90% of the legal industry’s revenue, while criminal law accounts for only 3%.

Client Cost Cutting

Businesses have cut their legal budgets, resulting in reduced spending on outside legal services.

Alternative Fee Arrangements

Driven by client demands for cost containment, firms are offering alternatives to the traditional billable hour model.


Recent Developments

Oct 26, 2026 - Big Law's Talent War Drives Another Round of Raises
  • Competition for top legal talent has sparked another round of pay increases at major US law firms in 2026, with some associates now earning base salaries as high as $455,000. According to Bloomberg Law, Milbank raised associate salaries by $10,000 to $20,000 in June, bringing its pay scale to between $235,000 and $455,000, with some competitors following suit. The firm also awarded summer bonuses ranging from $6,000 to $25,000, continuing a compensation battle among elite firms seeking to retain experienced attorneys. Strong demand for legal services has helped support higher pay, but labor costs are climbing. According to the Thomson Reuters Institute, law firm profits grew 12.9% in the second quarter of 2026, their strongest growth since 2021, while compensation and staffing expenses rose 8.3%. Firms also raised their billing rates by 7.1%, helping offset rising operating costs.
  • Law firms continue to struggle with AI--generated errors in court filings, despite three years of warnings and sanctions from judges. According to Reuters, researchers have identified at least 1,395 US state and federal court cases involving AI-generated falsehoods, including fabricated legal precedents, inaccurate citations, and even invented witness testimony. The problem has spread beyond attorneys to judges and prosecutors, raising concerns about the reliability of legal proceedings. Penalties have ranged from reprimands to fines reaching tens of thousands of dollars, but violations continue to mount. Legal experts blame the competitive rush to adopt AI, pressure to work faster, and insufficient oversight of the technology. While AI promises to improve law firm productivity and reduce costs, attorneys remain responsible for verifying their work, and some judges are calling for tougher sanctions to discourage careless use.
  • The legal profession’s mental health problem hasn't eased despite a decade of greater attention to attorney wellness. A study from the American Bar Association’s Commission on Lawyer Assistance Programs and mental health advisory Krill Strategies surveyed more than 37,000 US lawyers and found 41% believe working in the profession has been detrimental to their mental health. About 22% reported moderate to severe depression, more than 20% reported similar levels of anxiety, and nearly 19% reported significant stress, according to the report. Private-practice and solo lawyers generally fared worse than attorneys working in-house or in judicial chambers, while litigation was associated with higher burnout and hazardous drinking. Workload appears to be a major factor: lawyers putting in more than 71 hours a week were roughly three times as likely to report moderate to severe stress as those working 31 to 40 hours. Younger attorneys also reported greater mental health challenges.
  • Law firms face mounting expense pressures as they invest heavily in technology and talent while clients demand greater efficiency and value. According to the 2026 Report on the State of the US Legal Market from Thomson Reuters Institute and Georgetown Law, technology spending increased 9.7% in 2025, knowledge management costs rose 10.5%, and lawyer compensation increased 8.2%, all well above the 2.9% core inflation rate. Despite these investments, about 90% of legal spending still flows through traditional hourly billing arrangements, creating tension as AI allows firms to complete work in less time. Firms are responding by exploring fixed fees, subscriptions, success-based pricing, automation, and partnerships with alternative legal service providers. These approaches may become increasingly important as corporate clients scrutinize legal expenses and move more routine work in-house.

Industry Revenue

Law Firms

Law Firms — revenue distribution by firm size chart

Industry Structure

Industry size & Structure

The average law firm operates a single location, has 7 employees and generates $2.6 million in annual revenue.

  • There are about 156,580 law firms in the US with about 1.2 million employees and generating about $414 billion in annual revenue.
  • Another roughly 244,500 lawyers practice solo.
  • The industry is highly fragmented with the 50 largest law firms accounting for 21% of industry revenue.
  • The largest US law firms by revenues are Kirkland & Ellis; Baker McKenzie; DLA Piper; Latham & Watkins; Skadden, Arps, Slate, Meagher & Flom; and Gibson, Dunn & Crutcher.

Industry Forecast

Industry Forecast
Law Firms Industry Growth
Law Firms — industry growth forecast chart
Source: Vertical IQ and Inforum

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