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★ 2026 Benchmark Report

AI ROI, What we actually see

Real outcome data from 200+ UK apprentices on TESS AI & Automation L4 programmes.

Most "AI ROI" reports use vendor data. This one uses TESS Group apprentice outcomes, measured by their employers, not us. 200+ apprentices across financial services, manufacturing, healthcare, retail, and the public sector. 6-12 months in.

The headline numbers

48%
Avg time recovered on automated tasks
6.2h
Avg hours saved per apprentice / week
£14,400
Median annual savings per learner
14 weeks
Median time to first automation in production

Where the time goes, before vs after

Average breakdown of weekly work time, pre- and post-AI training

Reporting / data entry
75%
… after AI training
32%
Email / comms triage
68%
… after AI training
36%
Strategic / high-value work
18%
… after AI training
58%

n=204 apprentices. Self-reported via Coachy quarterly survey, validated by line manager. Apr-Dec 2025.

Where the savings actually land, by department

Finance / Ops
£18,200/yr
HR / People
£15,400/yr
Customer Service
£14,600/yr
Marketing
£12,800/yr
Operations Manager
£18,600/yr
L&D / Training
£13,700/yr

Median per-apprentice annual savings, by their primary department. Calculated from time-saved × hourly cost.

The biggest predictor of ROI? Whether the apprentice's line manager engages in the programme. Apprentices whose manager attended >3 of the 6 manager sessions delivered 71% more measured savings than those whose manager attended <2.

Time to first production automation

Most apprentices ship their first real, in-use AI automation between weeks 12 and 18 of the 15-month programme. Distribution:

Weeks 6-11 (early)
18%
Weeks 12-18 (median)
54%
Weeks 19-26 (later)
24%
Week 27+ (late)
4%

Most-built automations (top 8)

  1. Power Automate email-to-spreadsheet logger (32% of apprentices build this in month 4)
  2. Microsoft Copilot meeting-notes-to-action-items (28%)
  3. Make.com form-submission-to-Slack pipeline (24%)
  4. Copilot Studio agent for FAQ (22%)
  5. Zapier CRM-to-email follow-up (19%)
  6. Claude document summariser + classifier (17%)
  7. Google Gemini Gems for departmental knowledge (12%)
  8. AppSheet mobile data capture (9%)

Try your own numbers

Move the sliders to get a quick estimate for your team:

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