What is the safest Bitcoin exchange in the UK?

As a cryptocurrency and finance professional, I understand the importance of choosing a safe and secure Bitcoin exchange in the UK. With the increasing popularity of cryptocurrencies, the number of exchanges has also grown, making it crucial to conduct thorough research before making a decision. Could you please provide me with some insights into the safest Bitcoin exchange operating in the UK? I would appreciate it if you could share information about the exchange's security features, such as encryption technology, cold storage solutions, and any additional security measures they take to protect user funds. Additionally, it would be helpful if you could mention the exchange's reputation and track record in terms of security breaches or hacks. I am also interested in knowing about the exchange's customer support and the ease of use of its platform. Lastly, could you please recommend any reliable resources or websites where I can find more information about Bitcoin exchanges in the UK? Thank you for your time and assistance.