[kezo]

I can imagine there will be a catch to free @your business like the number of emails you can send & storage space etc.

Ionos allow you to set up a free domain and regster a customised email address from as little as a £1 + VAT month.

https://www.ionos.co.uk/office-solutions/create-an-email-address?ac=OM.UK.UKo42K356180T7073a&itc=3K85R9OG-237BTV-&utm_source=bing&utm_medium=cpc&utm_campaign=SGE-GB-COM-OX1B——&utm_term=free%20business%20email%20uk&matchtype=p&utm_content=Business+Email&gclid=374b2e6a178e17ff9a484ba576bc831f&gclsrc=3p.ds&msclkid=374b2e6a178e17ff9a484ba576bc831f