Where Do You Get Good Quality Custom Patches in the UK?

I’m planning to customise some jackets and tote bags for a small event and wanted to add a personal touch with embroidered patches. While browsing online, I came across a few suppliers offering custom patches UK , but I’m not sure which ones are actually reliable when it comes to design quality and delivery time.
Ideally, I’m looking for something fully custom not generic designs, with strong embroidery and options for sew-on or iron-on backing. Has anyone here ordered patches recently and had a good experience with a UK-based company?

Would really appreciate any recommendations before I place an order. Thanks in advance!