Food Service / Restaurants·London, UK·Founded 2007

Byron Burger sustainability score: 27/100

Byron Burger is a UK-based casual dining chain specializing in beef burgers, founded in 2007 and headquartered in London.

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Byron Burger publishes no emissions data, targets, or sustainability strategy despite operating a beef-heavy restaurant chain with material operational and supply-chain carbon impact. The company's sole environmental claim—recyclable packaging—is unverified marketing language. Multiple insolvencies and recent ownership change signal financial distress, not environmental commitment.

Byron Burger scores 27/100 (Significant gaps) on SINK's independent climate assessment, scored from public data only. Fees pay for the review, never the result. Last verified May 2026.

That places Byron Burger joint 683rd of 847 companies scored, and joint 39th of 49 in Food Service / Restaurants.

At a glance

Byron Burger's strongest and weakest areas

Strongest
  • Its record on controversies7/10
  • How clean its energy is2/10
Weakest
  • Its climate targets0/10
  • Emissions from its own operations1/10
See all ten questions ↓
Byron Burger in context

How does Byron Burger compare with other food service / restaurants companies?

Where Byron Burger sits among food service / restaurants peers.

Among the 49 major food service / restaurants brands we've scored, Byron Burger is tied =39th of 49, with 2 others.

=39/49
Byron Burger's rank
35
Industry average
19
Industry low
51
Industry high
See all 49 in Food Service / Restaurants →
What would raise this score

Where Byron Burger lost the most points

Its three lowest-scoring questions, and what the evidence didn't show.

  1. Its climate targets0/10

    Byron Burger has set no climate, carbon, energy, or science-aligned targets.

  2. Emissions from its own operations1/10

    Byron Burger has not published emissions data or a sustainability report.

  3. Emissions from its supply chain1/10

    No Scope 3 quantification, supplier audit, or deforestation policy disclosed.

A score changes when the evidence does. We use new published evidence at the next rescore. Evidence that isn't public can count through an evidence review.

For Byron Burger

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The ten questions

What is Byron Burger doing well, and where does it fall short?

Strongest on Controversies & Red Flags and Energy Source (7/10, 2/10). Weakest on Targets & Commitments and Carbon Footprint — Operations (0/10, 1/10).

Method and evidence

How we worked this out

The formula and all 5 sources.

About Byron Burger

Byron Burger is a UK-based casual dining chain specializing in beef burgers, founded in 2007 and headquartered in London. Operating approximately 9–12 sites following multiple restructurings, the company sources grass-fed UK and Irish beef and operates commercial kitchens with significant energy and water use. Currently owned by Niyamo Capital as of December 2025.

Founded
2007
Headquarters
London, UK
Employees
~200–400
Annual revenue
~£10–20M (estimated, post-restructuring with ~9–12 sites)
Company website ↗
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