Help Marie get her dream garden

Hi, my name is Chris, I run a small business called CS Garden Habitats, we were recently recommended by a customer to Marie, an elderly lady, with chronic epilepsy, both herself and husband are disabled and wanted a garden they could enjoy. However they had already had a company out and paid £2700 for what I can only describe as an absolute joke, the garden hadn't been levelled, the fence ran at an angle instead of straight, they had built some next to useless steps up to the garden and basically ripped off this lovely couple. So after surveying their garden and the work done, we have given them a quote to rectify and finish the work, and they could not afford to have this put right, even after we put the price as low as possible, at this moment in time. So as a gesture of goodwill in these horrendous times we would like the raise the money to give Marie the garden she deserves and has already paid for once. I'm not asking for millions just a little help so an elderly couple can enjoy the garden they paid for.