On average, the combined efforts of stores helped contribute £1m in donations every year since 2013, with more than 282,000 hours of volunteering accumulated over the period.
The money raised through in-store fundraising, grant programmes and other means has gone to Alzheimer’s Society, Children in Need, Macmillan and local causes.
One Stop community and partnerships manager Jack Taylor said: “We are absolutely thrilled to have reached this milestone.
“Our heartfelt thanks to all our customers and colleagues for giving their money and time so generously. We’re incredibly grateful and proud of each and every one of them.”
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