B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
18%
18% -- ai roi measurement rate for professional services firms (2026)
Only 18% of professional services firms measure the ROI of AI.
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Lighthouse Research Team
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Source verified
Evidence graded
Value
18%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Thomson Reuters
Primary
Tier C
https://www.teamwork.com/blog/ai-roi-professional-services-capacity/ ↗
Source Article
AI ROI in Professional Services: Why Capacity Isn't Converting to Margin
Key takeaways
AI adoption is increasing, but most consulting firms aren't capturing business value. While 40% of professional services firms now use AI organization-wide, only 18% measure AI ROI, meaning most firms can't prove whether AI is improving margin, utilization or revenue.
The real challeng…
Original Research
Thomson Reuters
· Original study ↗
Methodology
From Thomson Reuters 2026 AI in Professional Services Report
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
professional services firms: 18% ai roi measurement rate. Source: Thomson Reuters (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ps-firms-ai-roi-measurement-2026
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<blockquote cite="https://lighthousedata.io/data/ps-firms-ai-roi-measurement-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>18%</strong> -- ai roi measurement rate for professional services firms<br><small>Source: Thomson Reuters (2026) · <a href="https://lighthousedata.io/data/ps-firms-ai-roi-measurement-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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