British Gas Business contact
All British Gas Business business contact numbers in one place,sales, accounts, complaints, emergency lines and meter-reading routes. Numbers verified for 2026.
In an emergency, do not call BG Business first
For a gas leak or suspected leak, leave the property and call the National Gas Emergency line on 0800 111 999 (free, 24/7). For a power cut, call 105 (free from any UK landline or mobile). These lines cover every supplier.
Full directory
All British Gas Business contact numbers
Every public British Gas Business phone line, with opening hours. Numbers in bold are toll-free; the rest are standard UK landline rates.
Head office
Business Customer Services British Gas Winnall Down Alresford Road Winchester SO21 1FPComplaints (post)
Business Customer Relations Team British Gas Winnall Down Alresford Road Winchester SO21 1FPNot happy with BG Business customer service?
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