SINKScore sheet
Independent sustainability scoreThree UK
Telecommunications · Maidenhead, United Kingdom
41/100
Below expectations13th of 18 in Telecommunications
Strongest
- Its record on controversies8/10
- How clean its energy is7/10
Weakest
- Its effect on nature2/10
- Its effect on water3/10
Evidence level
Full
Sources
9
Method version
pre-v2.5
Date scored
4 April 2026
Scored out of 100 on the same ten questions as every company we score. Every source is listed on the live page. Fees pay for the review, never the result. Scores can go down as well as up.
Live score, reasoning and every source
sinkproject.com/company/three-uk-ck-hutchisonThis sheet shows the score on the date above. The live page is always current.