October 9, 2026
—
3
min read

How do we measure the impact of our volunteering programme?

Report three things separately: how many took part, what was contributed, and what the partner organisations achieved. Hours are the middle one.

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Reporting
Strategic

Most volunteering reports answer a question nobody asked. They give hours, and hours describe effort rather than result.

Three layers make the difference, and they belong in a report separately because they fail separately.

Participation. The share of employees who took part at least once, broken down by site and by function. A rate rather than a count, so one large office cannot mask twelve inactive ones.

Contribution. Hours, and the kind of work they represent. This is where the value of volunteer time comes in, and it needs care. Independent Sector puts the value of a US volunteer hour at 36.14 US dollars for 2025, published in April 2026 and derived from average hourly earnings for production and non-supervisory workers. That figure is national and American. A programme running in fifteen countries cannot apply it to all of them and call the result a global contribution, because the rate is built from wages and wages differ.

Outcome. What changed for the organisations that received the time. This is the layer almost every programme omits, and the only one that answers the question a board is actually asking.

The gap between the second and third layer is the one that matters. Outputs and outcomes are not the same thing: 4,000 hours delivered is an output, and a partner organisation that cleared a two-year backlog because of them is an outcome.

Collecting the third layer means asking the partner, not the employee. Two or three questions at the end of an engagement, identical every time, are enough: what the support allowed them to do, what it would have cost them otherwise, and whether they would take it again. The last one is a blunt and honest quality measure.

One shortcut to avoid. Presenting a monetary valuation of hours as though it were a donation figure invites the question of what the receiving organisation actually got. A programme that cannot answer that is better off reporting hours and outcomes plainly.

A corporate volunteering software platform gives you the first two layers as a by-product of running the programme: participation and hours captured as employees sign up and log their time, with the skills deployed and the budget committed alongside them, and reporting that connects participation to retention rather than leaving hours standing on their own.

The third layer still has to come from the partner organisation. Asking for it is a programme decision rather than a software feature, but it belongs in the same report, because participation and contribution without outcome is exactly the report that gets read once and never acted on. It is the same discipline that underpins impact reporting and, more broadly, impact measurement.

Written by

Olivier Hoareau

Olivier leads Marketing and Lead Generation at Optimy. With two decades of experience in digital strategy, SEO, and B2B growth, he writes for the professionals managing grants, sponsorships, and volunteering programs, helping them do more with less, and prove it.
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