Calculate the carbon footprint of your work phones

3 questions. 30 seconds. Let's go 👇
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Forbes logo

The old way

😵‍💫
‍Trapped into long, confusing contracts
🙅
No control over managing your SIMs
📈
Guaranteed price hikes and hidden fees
🤬
Painful customer support
🌱
No sustainability action

The Honest way

🤸
Flexible 30-day, monthly or annual plans
Self-serve your SIMs in the Honest hub
📊
Transparent pricing
💬
Support in seconds
🌳
B Corp certified, carbon negative SIMs
Calculate carbon

“Everything is so aligned with us as a B Corp business”

“Everything is so aligned with us as a B Corp business”

Jessamy Beeson-Jones, UK Country Manager

“Sustainable and better for the environment"

Tom Blackwell, Head of Customer Support

"Honest clears the fog of mobile. Everything is completely different from the big networks"

Adrian Hollister, Director of IT and Cyber Security

“Before, our mobile network was too big for us to track impact properly. Now we have complete visibility”

Steve Dolphin, Head of Business Change and IT
Calculate carbon

Raising the bar of a broken industry

Instead of counting profits and doling out the bare minimum, we actually care about the same things you do.

Here are just some of the ways we're challenging the big networks to do better.
EE
Vodafone
O2
30 day unlimited plan
£25 /month
£38 /month
£48 /month
£36 /month
2024 price change
-5%
+7.9%
+7.9%
+8.8%
Carbon Negative
tick icon
Certified B Corp
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Free EU roaming
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5 days free every trip
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Average download speed (mbps)
226.3
94.8
141.7
70.4
Trustpilot score
4.7
1.5
4.5
1.2
EE
Vodafone
O2
30 day unlimited plan
£25
£38
£48
£36
2024 price change
-5%
+7.9%
+7.9%
+8.8%
Carbon Negative
tick icon
Certified B Corp
tick icon
Free EU roaming
tick icon
5 days free every trip
tick icon
Average download speed (mbps)
226.3
94.8
141.7
70.4
Trustpilot score
4.7
1.6
4.5
1.2
Last updated 11th Mar 2025.
Median download speeds from Ookla Q3-Q4 2023 Speed Test Awards