get a quote

UK National Grid pylons across countryside
← All suppliersMajor supplier

British Gas business energy.

The UK's largest energy supplier. Strong fixed-tariff range and dedicated SME desk.

Established

1812

UK HQ

Windsor, Berkshire

Customers

7.5M+

Live pricesTakes under 4-13 hours

Get instant quotes

Enter your business postcode to compare 20+ suppliers.

No credit check · Free to use · Trustpilot 4.8 / 5

Our procurement team's verdict

What we think of British Gas.

The default choice for UK SMEs that value brand reliability and a dedicated account manager. Pricing rarely the absolute cheapest, but consistently within striking distance.

Where they win

  • Dedicated SME account team
  • Online billing & meter reads
  • REGO-backed renewable options
  • Half-hourly meter support

Worth knowing

  • !Not usually the cheapest unit rate
  • !Standing charges above market average
Compare against the market

See British Gas against every other UK supplier, live.

We rank live tariffs from British Gas against the rest of the market on your actual consumption profile. Free, no credit check, takes 4-13 hours.

Run a comparison →
Sample quote, Manchester SME

42,000 kWh / yr · 12-month fix

British Gas£10,840 / yr
Market average£11,420 / yr
Cheapest match£10,210 / yr

Indicative figures based on June 2026 wholesale prices.

Switch to British Gas

Get a live British Gas quote in 4-13 hours.

Free comparison. British Gas ranked against the rest of the UK market on your actual consumption.

Trustpilot 4.8 / 5 · Free to use · 30-second switch

Compare energy prices