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Professional services

AI in consulting, agencies, accounting, law, architecture and engineering: utilization, pricing and adoption.

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Fewer than 1 in 5 professionals say their organization measures AI ROIPercent of professionals, 'Is your organization measuring the ROI of AI tools?', 2026
18%
  • No42%
  • Don't know40%
  • Yes18%
Source: Thomson Reuters Institute, 2026 AI in Professional Services Report, 2026, p. 17 (Infographic 7).

Reports on professional services

Schwab · Jul 20262026 RIA Benchmarking Study
Top Performing Firms use AI to automate time-consuming, manual workflows 31% of the time versus 19% for other firms.Benchmark
Thomson Reuters · Jun 2026Future of Professionals Report 2026
74% of professionals use AI tools several times a week; 44% rely on them multiple times a day.Mixed survey
CPA.com · Jun 2026AI Tax Research Solution Outlook Report 2026
60% use AI for tax research at least weekly, nearly double the 33% reported in 2025.Mixed survey
Deltek · May 202647th Annual Deltek Clarity Architecture & Engineering Industry Study
AI adoption among A&E firms rose from 53% to 70% year over year; generative AI use rose from 64% to 78%.Benchmark
Promethean · Mar 2026State of Digital Services 2026: An Uneven Return to Form
Average digital agency revenue grew 7.5% in 2025, with large agencies rebounding and small agencies growing slowest.Benchmark
SPI Research · Feb 20262026 Professional Services Maturity Benchmark
Billable utilization fell to 66.4% in 2025, the lowest in the benchmark's history and below SPI's 70–75% targets.Benchmark
Thomson Reuters · Feb 20262026 AI in Professional Services Report
Organizational GenAI use nearly doubled to 40%, up from 22% the prior year.Mixed survey
Schwab · Jan 20262026 RIA & AI Research Study: Advisor AI in Action
63% of RIAs now use AI tools in some capacity, and 82% of those users rely on generative AI.Mixed survey
Karbon · Jan 2026State of AI in Accounting Report 2026
98% of firms now use AI, with most using it daily or several times a day.Mixed survey
Hinge · Jan 20262026 High Growth Study
Median growth for professional services firms cooled to 9.9%, the lowest since 2018.Benchmark
Kantata · Jan 2026State of the Professional Services Industry Report (AI agents survey)
89% agree future revenue growth will depend more on scaling AI than scaling headcount.Executive survey
SoDA · Jan 2026Agency Outlook Study '26
81% of agencies use AI for creative ideation and 76% to automate or accelerate routine operational tasks.Executive survey
SPI Research · Dec 20252025 Impact of AI on Professional Services Benchmark
Only one in ten professional services firms are attempting truly transformational AI.Benchmark
Clio · Oct 20252025 Legal Trends Report
Firms with wide AI adoption are nearly three times more likely to report revenue growth than firms that have not adopted AI.Usage data
Wolters Kluwer · Oct 20252025 Future Ready Accountant Report
Reported AI adoption rose from 9% in 2024 to 41% in 2025.Mixed survey

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12 reportsAI in professional servicesUtilization, pricing and adoption across consulting, agencies, accounting, law and engineering.

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AdoptionROI & valueStrategyWorkforceGovernance & risk