Free .co.uk domain -- 1 per customer

[World of Domains]

.co.uk domain FREE​

Limit of 1 per customer

Register365.com


In addition to registering x1 .co.uk domain for free, each customer may register x1 .com domain for €4.99 (about the same in US$).

 

[aelko]

You must pay an additional administration fee when you transfer your domain from them. For .COM it's €12.49 + VAT

https://www.register365.com/support/articles/transfer-a-domain-away-from-register365/