Yes, Cartridge Save is a legitimate company that has been operating since 2003. It is a UK taxpayer, employs around 70 people and has an annual turnover of over £40m.
Cartridge Save is the UK’s largest specialist printer cartridge retailer. It is an official HP Amplify Power Partner and Xerox Authorised Reseller.
On Trustpilot, Cartridge Save has a rating of 4.9 / 5 with over 50,000 reviews.