Yes the U.K has accepted electronic signatures since 2000, since the Electronic Communications Act 2000, and now adheres to the eIDAS regulations that came into play July 2016. Giving businesses the option to use e-signatures whilst trading.
In the UK handwritten signatures aren’t needed for a contract to be seen as credible, and they’ll be seen as such as long as legally able individuals have reached an agreement (this can be by agreeing verbally, electronically or by physically signing). Since July 2016, the eIDAS regulation has meant that all companies in the EU comply with each other’s e-Signature regulations. Standardising them across Europe.