The difference between the two is the methodology. An impact report measures and communicates the outcomes of your work: what changed, for whom, with what evidence. It suits a nonprofit reporting on its programmes, and equally a company that funded a significant CSR action and wants its impact measured. A SROI report goes one step further: it follows the Social Return on Investment methodology to express those outcomes in financial terms, ending in a ratio such as 7.7 to 1. Funders read both; which one they want depends on what they are deciding.
What Each Report Contains
- Impact report: the story of the programme, the stakeholders affected, the outcomes achieved, and the evidence behind each claim, presented so a reader can trust it without a calculator
- SROI report: everything above, plus financial proxies for each outcome, honest deductions for what would have happened anyway, a sensitivity check, and a final ratio of value created per euro invested
- Both, when done properly, trace every claim back to a source; the SROI report simply adds a layer of valuation with its own international standard
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When Funders Want the Impact Report
When the question is accountability: did the funded work happen, did it reach the right people, did it change anything? Foundations reviewing grantees, companies reporting on a funded CSR programme, and boards overseeing activities usually need exactly this, and a well-evidenced impact report answers it at a fraction of the effort a full valuation requires.
When Funders Want the SROI Report
When the question is worth: should we keep investing, invest more, or invest elsewhere? A financial ratio lets a funder compare your programme with any other use of the same money, in the one language every board reads fluently. It is also the stronger instrument for fundraising at scale. When Enable Good measured Mazi gia to Paidi, the alliance of Greek children's charities, the SROI study found that for every euro invested in the organisation, value equivalent to 7.7 euros is generated for the children and families it serves. Funders could finally see what their support produces, and the organisation raised more money for its causes.
Effort and Cost, Honestly
An impact report needs solid outcome data and disciplined writing. A SROI report needs all of that plus stakeholder valuation work, proxy research, and the methodology of Social Value International applied correctly, which makes it the larger investment. A practical path many organisations take: start with a rigorous impact report, build the data habits it requires, and graduate to a full SROI study for your flagship programme when a major funding decision justifies it.
How to Choose in One Conversation
Ask your most important funder one question: what would you need to see to increase your support? If the answer is proof the work happened and mattered, commission the impact report. If the answer involves comparing value for money, commission the SROI report. And if you want to see the SROI method from the inside first, Enable Good's free SROI Starter Kit at enablegood.co/free-sroi-starter-kit walks you through all six stages with worksheets. When you are ready for either report, done to the standard funders trust, that is precisely the work we do.
