Wall Street Banks Demand Law Firms Pass on AI Cost Savings
Goldman Sachs, Citigroup, and Morgan Stanley are asking external law firms to reflect the cost savings from AI-driven reductions in legal hours in their client quotes, directly impacting the profitability model of large firms that charge by the hour.
Goldman Sachs has inquired with partner firms about how much cost has been saved through AI and how the firms plan to return efficiency gains to clients. This inquiry transforms the previously internal efficiency metrics of law firms into variables that clients can request disclosure and negotiate.
Citigroup is requiring law firms participating in its legal business bids to explain the cost savings achieved through AI. Adam Meshel, Citigroup's global legal head, stated that if AI reduces the hours required for a transaction, the bank expects the cost per transaction to decrease significantly; this means the extent of AI usage may become a bidding condition for law firms to secure bank mandates.
Morgan Stanley's General Counsel Eric Grossman noted that the long-standing compensation system of top law firms, which relies heavily on billing junior lawyers for extended hours, is "extremely unstable." Morgan Stanley plans to shift most external legal matters to competitive bidding by the end of the year and to adopt more fixed-fee arrangements instead of hourly rates.
The work compressed by AI mainly includes legal research, document review, contract analysis, preliminary due diligence, and information comparison. Products like Harvey, Legora, and Google's Gemini are entering these processes; they do not automatically assume legal opinions, transaction responsibilities, or regulatory liabilities, but will reduce the billable hours required for junior lawyers to complete repetitive tasks.
Currently, large law firms have not seen a decline in revenue. A Wells Fargo survey of over 140 law firms indicates an average revenue growth of 12.4% in the first half of 2026, including 69 of the top 100 U.S. law firms by revenue; demand measured by lawyer hours worked grew by 4.8%, with the AI investment wave driving demand for data center development and financing legal work.
Law firms' pricing power continues to grow, but cash recovery has come under pressure: standard rates maintain double-digit increases, while actual realization rates have dropped to 7.3%, down from 9% in the same period last year; unbilled or billed but uncollected inventory has increased by 17.7%, and collection cycles have extended by 5%. This provides large clients with leverage to renegotiate discounts, fixed prices, and competitive quotes.
In market mechanics, buyers are banks and large enterprises with high-frequency mergers, financing, compliance, litigation, and regulatory matters, while sellers are top law firms relying on partner leverage and junior lawyer hours. After banks push for fixed pricing, bidding, and AI savings disclosure, funds will shift from billable junior lawyer hours to partner judgment with outcome responsibility, legal tech platforms, process automation, and in-house legal teams; efficient law firms can expand their share with low-cost quotes, while firms relying heavily on manual reviews will face pressure.
Source: Public Information