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Sector rankings

Most Sustainable Telecommunications Companies 2026

18 Telecommunications companies ranked 0–100 on real environmental impact using SINK's open formula.

18
Companies ranked
45
Sector average
58
Sector best (Telefônica Brasil S.A. (Vivo))
Full ranking
1
Telefônica Brasil S.A. (Vivo)Making progress
58
2
TelefónicaMaking progress
54
3
NOS ComunicaçõesMaking progress
54
4
Vodafone Group PlcMaking progress
53
5
Virgin Media O2Making progress
51
6
T-Mobile USMaking progress
51
7
OrangeMaking progress
49
8
EcotalkMaking progress
49
9
altafiberMaking progress
48
10
Airtel AfricaMaking progress
47
11
Deutsche Telekom AGBelow expectations
45
12
BT Group plcBelow expectations
42
13
Three UKBelow expectations
41
14
Verizon CommunicationsBelow expectations
39
15
Huawei TechnologiesBelow expectations
39
16
ComcastBelow expectations
39
17
AT&TBelow expectations
37
18
Starlink ServicesSignificant gaps
17
Frequently asked

Telecommunications sustainability, answered.

Which Telecommunications company is the most sustainable?

Telefônica Brasil S.A. (Vivo) is the highest-scoring Telecommunications company on SINK with a score of 58/100 (Making progress).

What is the average sustainability score for Telecommunications companies?

The average SINK score across 18 Telecommunications companies is 45/100. The average across all 847 scored companies is 38/100.

How does SINK rate Telecommunications companies?

SINK scores Telecommunications companies on 10 questions using public data: Scope 1/2/3 carbon footprint, energy source, nature and biodiversity, resource use, water impact, emissions trajectory, science-based targets, transparency, and major controversies. The formula adjusts for the industry's inherent environmental footprint and company scale.

Which Telecommunications company has the worst sustainability score?

Starlink Services has the lowest SINK score among Telecommunications companies at 17/100 (Significant gaps).

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