Sadly, we do not know of any UK phone number for BV-Electronics.
But you can send them a message via their online contact form, where the shop’s staff offer support regarding any enquiries you may have about their products. Their contact form is here: www.bv-electronics.co.uk/index.php?main_page=contact_us
You can also write to the BV-Electronics head office at this address: BV-Electronics, MWB Guildford, 1 Farnham Road, Guildford, Surrey, GU2 4RG.
BV-Electronics is a UK-based shop specializing in electrical photographic accessories like lights and lens hoods. By stocking decent quality, third party answers to official branded gear, the company has assembled a dedicated niche customer base.