When a customer asks for your carbon figures
Large buyers now ask suppliers for emissions data, questionnaire answers and reduction plans. ESGen measures your footprint from your own bills, and our team helps you answer each request with the evidence behind it.
A request arrives
Supplier sustainability questionnaire
From your largest customer. 38 questions, due in 21 days.
We map what it asks
- Scope 1 and 2 emissionsA figure, from your bills
- Energy use by siteA figure, from your meters
- Environmental policyA document, to write with youCheck
- Reduction targetA decision, for your boardCheck
Answers go back with evidence
31 of 38, every figure linked to its bill
Customer requests are already reaching smaller firms
Figures from a UK survey of small and medium-sized businesses, and a dated NHS requirement.
37%
of UK firms with 50 to 249 staff were asked for carbon data in the previous 12 months.
Source: British Business Bank, SMEs and Net Zero 2025, October 2025
20%
of UK firms with 10 to 49 staff were asked for the same in that period.
Source: British Business Bank, SMEs and Net Zero 2025, October 2025
April 2027
NHS suppliers are to report targets and emissions and publish a Carbon Reduction Plan covering Scopes 1, 2 and 3.
Source: NHS England, Net Zero Supplier Roadmap
How it works
From the request in your inbox to answers your customer can check.
Start with what your customer asked
Forward the questionnaire, the supplier code or the tender section. We read it before anything else happens.
Requests received
This year
- Supplier sustainability questionnaireLargest customer, due in 21 days
- Supplier code of conduct, climate sectionNew customer
- Tender, social value and carbonPublic sector framework
What your customers ask for, and who does it
The platform measures. Our team writes, checks and answers with you.
Your footprint
Scope 1, Scope 2 and upstream energy, measured in the platform from your own bills.
- Plant A electricity bill.pdf
- Fuel card statement.pdf
Questionnaire answers
Our team drafts answers to customer questionnaires with you, each one tied to its evidence.
Carbon Reduction Plan
Written with you in the government's template, from your signed-off figures.
- Baseline year2025/26
- Net zero commitmentYour board decides
Policy documents
Environmental and related policies your customers ask to see, drafted for your board to agree.
Claim wording checks
Before you publish a green claim, we check that the wording matches the evidence behind it.
- “Carbon neutral factory”Not supported by the evidenceCheck
- “Scope 1 and 2 measured from bills”
EcoVadis, SBTi and CBAM
Help with ratings, science-based targets and UK CBAM readiness, as services scoped with you.
What the platform does, what our team does, and what is coming
So you know who will be doing the work before you ask us to start.
In the platform today
- Scope 1, Scope 2 and the upstream energy share of Scope 3 from your bills
- Evidence library, data checks and calculation log
- Sign-off lock, so reported figures do not drift
Done by our team
- Answers to customer questionnaires
- Carbon Reduction Plans and policy documents
- Checks of claim wording
- EcoVadis, SBTi and CBAM work, and Scope 3 beyond energy, scoped with you
On our roadmap
- Asking your own suppliers for data, for UK workspaces
Questions about customer requests
What suppliers ask us most when a request lands.
Send us the last ESG request a customer sent you
We will map what it asks, tell you what you already have, and say plainly what it would take to answer the rest.
Requirements map
38 questions
| Needs | Questions |
|---|---|
| A figure from your bills | 14 |
| A document or policy | 11 |
| A yes or no, with evidence | 9 |
| A decision for your board | 4 |


