US Biglaw Firms See 11.7% Revenue Growth in First Half 2026

• US Biglaw firms saw a 11.7% revenue growth in the first half of 2026.
• Demand for legal services increased by 4.2%, exceeding historical averages.
• Total expenses rose by 9.7%, primarily due to AI investment.

The growth in demand has been consistent across the third quarter as well, with early indications suggesting a strong year ahead for the industry.

US Biglaw firms experienced a significant revenue growth of 11.7% during the first half of 2026, according to the Citi Global Wealth at Work Law Firm Group report. This increase in revenue is attributed to strong demand for legal services, which rose by 4.2%, exceeding the historical average of 1.5% to 2%. The growth in demand has been consistent across the third quarter as well, with early indications suggesting a strong year ahead for the industry.

The report highlights that total expenses for law firms also increased by 9.7%, primarily due to significant investment in artificial intelligence (AI). This trend of investing in AI is expected to continue, presenting both opportunities and challenges for lawyers and compliance officers. As law firms adapt to this shift, they should be aware of the potential cost savings associated with AI implementation, while also considering the increased expenses that come with it.

The growth in revenue and demand for legal services is a positive indicator for the industry. However, the increasing investment in AI raises concerns about the potential impact on law firm finances. As lawyers and compliance officers navigate this trend, they should be mindful of the need to balance cost savings with the expenses associated with implementing AI technology.

Lawyers and compliance officers should watch for potential cost savings opportunities as US Biglaw firms continue to invest in AI, but also be aware of the increased expenses associated with this trend.

Source: Original reporting via Citi Global Wealth at Work Law Firm Group report