Insights

What are we learning about AI at work?

Osava shows firms what their AI investment is returning, and how to get more from it. This is where we publish our method, our reading of the research and practical guides.

The guides are written for partners, directors and operations leads in UK professional services firms of 10 to 500 people: agencies, accountancy, legal and consulting. They cover how to measure the return on AI spend, how to tell whether AI training made a difference, how to check AI output before it reaches a client, and how to find the licences nobody uses and the tools nobody approved. Each one is practical enough to act on without a data team.

How to measure the ROI of AI in a professional services firm (2026)

Four measures that show what your AI spend is returning: cost, time, quality and risk. And why so few firms can answer the question today.

Justin Davidson · · 6 min read

Paying for AI nobody uses: unused licences and unlicensed tools in small firms

Many firms have two AI gaps at the same time. How to find the seats nobody uses and the tools nobody approved, without monitoring your people.

Justin Davidson · · 4 min read

How to check AI output before it reaches a client: a checklist

AI errors look plausible, which is what makes them dangerous. An eight-point checklist for anything AI-assisted that leaves your firm.

Justin Davidson · · 4 min read

How to prove AI training worked: use a comparison group

Before-and-after numbers flatter almost any training. Here's how to measure the real effect, without holding anyone back for long.

Justin Davidson · · 5 min read

Why usage data won't tell you if AI is paying off

Logins and licence counts measure activity. Here's what to measure instead, and how to start without a data team.

Justin Davidson · · 2 min read

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