An outstanding ISP, especially for our demanding needs. I have used them from VDSL to G.fast to FTTP and they make everything as painless as possible. Customer service is direct, quick, based here in the UK, with... (drum-roll please) an empowered support staff that can sort anything from billing, refunds, account changes, upgrades and chasing Openreach without any further 'escalation' or redirection. It is a model of what customers want rather than what companies are usually comfortable with. When companies trust their staff the trust trickles-down to their customers. They are not the cheapest but provide a free IPv4 static address and a massive IPv6 block. You know exactly where the extra 'premium' goes to - investments in staff, quality and customer service.