The essentials in 30 seconds
- The average ROI of Copilot / Gemini is 3x to 10x the cost of licenses over 12 months according to the available studies.
- The time to profitability is 2 to 4 months if the adoption rate exceeds 60% of equipped users.
- Measuring the right indicator: time saved per task is more reliable than the number of activated licenses.
- ROI drops if adoption is low: an unused license produces no return.
- The main levers: initial training, internal ambassadors, targeted high-impact use cases.
The problem
Decision-makers who invest in augmented office productivity face a dual problem: justifying the investment upfront to the leadership committee, and measuring the real impact once deployed. Most office AI budgets are approved on the basis of generic studies (vendor reports, Forrester TEI study) without adaptation to the company's specific context. And six months after deployment, few organizations have a rigorous measure of the actual ROI.
Must justify an annual budget of 10,000 to 100,000 € of Copilot / Gemini licenses to a leadership committee that demands concrete proof of ROI.
Want to measure the impact of office AI training on real productivity, and not just on trainee satisfaction.
Are looking for a rigorous method to factor the AI productivity gain into dashboards and business plans.
The AI solution
Measuring the ROI of augmented office productivity relies on a three-step method: before measurement (baseline), during and after measurement (adoption and gains), financial valuation (translation into euros). The common mistake is to measure only the licenses deployed, without capturing the time actually saved.
Define the target use cases and their time value
Identify 3 to 5 high-volume tasks on which you deploy AI. For each task, measure the current time (before AI) by surveying a sample of users. Example: writing meeting minutes = 45 min on average, frequency = 3 times per week. These are your baseline indicators.
Pilot with a test group and a control group
Deploy Copilot / Gemini to 50% of the targeted employees (test group) and keep 50% without AI (control group) for 2 months. Measure the same indicators on both groups. This A/B approach will give you a measure of the real impact of AI, by isolating other factors (seasonality, change in workload).
Financially value the time saved
Formula: Annual gain = (Time saved per week × Weeks worked × Loaded hourly rate × Number of active users). With a gain of 5h/week, 46 weeks, a loaded hourly rate of €50/h and 100 active users: 5 × 46 × 50 × 100 = €1,150,000 of value generated, for a license cost of €360,000 (100 × €30 × 12). ROI = 3.2x. Contact us for a tailored calculation.
Calculation method
The practical steps to build your ROI business case:
List the eligible tasks
List all the recurring office tasks of your target teams: writing emails, minutes, reports, presentations, searching for information, summaries. Estimate the frequency and volume. Prioritize tasks that are both frequent and long.
Measure the current time (baseline)
Administer a short questionnaire (5 minutes) to 20 to 30 representative users to estimate the time spent on each target task. Cross-reference with the data from your time-tracking tool if available. Goal: have a reliable baseline before deployment.
Apply a conservative gain rate
Use a gain rate of 30% for forecast calculations (studies show 40-60%, but take a safety margin). After 3 months of deployment, measure the real gain and adjust. This conservative approach is more credible to a leadership committee.
Include the full costs
Don't count only the licenses. Include: cost of initial training (~2h per user), cost of change management, cost of maintaining and updating best practices. The real total cost is often 1.5x to 2x the cost of the licenses alone.
ROI examples
Frequently asked questions
What ROI can you expect from Copilot Microsoft 365 in the enterprise?
The available studies (notably the Forrester TEI study on Copilot) and our engagement feedback put the ROI between 3x and 10x the cost of licenses over 12 months, with a time to profitability of 2 to 4 months depending on the adoption rate. The average observed time saving is on the order of 1h to 1h30 per day for active users. Translated into a manager's salary cost (€50k/year), that's a gain of 6,000 to 9,000€ per year per employee, for a license at €360/year.
How to measure real adoption and not just the number of activated licenses?
Microsoft provides adoption reports in the Microsoft 365 admin center. The key metrics: number of active users (at least 1 interaction per week), frequency of use by application, most-used command types. Define an "active user" before deployment (e.g. ≥ 5 interactions/week) and track this indicator monthly.
Does office AI reduce headcount or only unproductive hours?
In the vast majority of observed deployments, office AI does not reduce headcount: it frees up time on low-value-added tasks to reallocate it to higher-value activities (analysis, customer relations, innovation). The associated HR narrative is therefore one of reskilling and not reduction. This stance is also the most favorable to adoption by employees.
For tech profiles
Typical dashboard for tracking the ROI of an office AI deployment:
| Indicator | Data source | Measurement frequency |
|---|---|---|
| No. of active users (≥5 interactions/week) | M365 Admin / Google Admin | Monthly |
| Copilot interactions by application | Copilot M365 reports | Monthly |
| Declared time saved (survey) | Microsoft Forms / Google Forms | Quarterly |
| Internal NPS (tool satisfaction) | 1-question pulse survey | Monthly |
| Training completion rate | LMS or training tracking | Each wave |
| Volume of AI-related IT tickets | ITSM (ServiceNow, Jira SD) | Monthly |
| Calculated ROI (formula above) | Aggregate of measurements | Quarterly |
It is possible to automate the collection and visualization of these indicators via Power BI connected to the Microsoft 365 APIs (Graph API for Copilot usage data) and to the survey forms. A typical Copilot ROI Power BI dashboard includes: adoption curve by department, heatmap of the most-used features, evolution of the internal NPS, ROI projection over 12 months. See our augmented office productivity offering for support setting up this dashboard.