Overstory
Measuring the light

Services
Six services, one measured number at the end.
Every engagement has a scope, a timeline and a fixed starting price. You know what you get before the first call ends.
- 6
- Services
- 184
- Pathways delivered
What we do
What each service leaves you with.
Pick a service to see its scope. Each one ends in a document your board, your bank or your auditor can use the same week.
01 of 06From £14,000Carbon footprint
A full Scope 1, 2 and 3 inventory you can defend to an auditor.
What you get
- Scope 1, 2 and 3 inventory
- Data gap register
- Emission factor log
- Board summary
- Timeline
- 6 to 9 weeks
- Starting price
- From £14,000
02 of 06From £22,000Net zero strategy
A target your board signs and a plan your operations team believes.
What you get
- Pathway model
- Costed lever list
- Target submission pack
- First-year roadmap
- Timeline
- 8 to 12 weeks
- Starting price
- From £22,000
03 of 06From £18,000ESG reporting
One report that answers the regulator, the bank and the customer.
What you get
- Materiality assessment
- Disclosure gap analysis
- Annual report
- Assurance file
- Timeline
- 10 to 14 weeks
- Starting price
- From £18,000
04 of 06From £16,000Green energy
Clean power bought on terms that hold for ten years.
What you get
- Load study
- Options appraisal
- Tender documents
- Contract negotiation
- Timeline
- 12 to 20 weeks
- Starting price
- From £16,000
05 of 06From £19,000Supply chain
Scope 3 cut with your suppliers, not estimated around them.
What you get
- Supplier ranking
- Primary data programme
- Contract clauses
- Quarterly scorecards
- Timeline
- Rolling, first results in 10 weeks
- Starting price
- From £19,000
06 of 06From £17,000Climate risk
What flood, heat and carbon pricing do to your sites and your margin.
What you get
- Scenario analysis
- Site risk register
- Financial impact model
- Adaptation plan
- Timeline
- 8 to 10 weeks
- Starting price
- From £17,000
What we do
What each service leaves you with.
Pick a service to see its scope. Each one ends in a document your board, your bank or your auditor can use the same week.
01 of 06From £14,000Carbon footprint
A full Scope 1, 2 and 3 inventory you can defend to an auditor.
What you get
- Scope 1, 2 and 3 inventory
- Data gap register
- Emission factor log
- Board summary
- Timeline
- 6 to 9 weeks
- Starting price
- From £14,000
02 of 06From £22,000Net zero strategy
A target your board signs and a plan your operations team believes.
What you get
- Pathway model
- Costed lever list
- Target submission pack
- First-year roadmap
- Timeline
- 8 to 12 weeks
- Starting price
- From £22,000
03 of 06From £18,000ESG reporting
One report that answers the regulator, the bank and the customer.
What you get
- Materiality assessment
- Disclosure gap analysis
- Annual report
- Assurance file
- Timeline
- 10 to 14 weeks
- Starting price
- From £18,000
04 of 06From £16,000Green energy
Clean power bought on terms that hold for ten years.
What you get
- Load study
- Options appraisal
- Tender documents
- Contract negotiation
- Timeline
- 12 to 20 weeks
- Starting price
- From £16,000
05 of 06From £19,000Supply chain
Scope 3 cut with your suppliers, not estimated around them.
What you get
- Supplier ranking
- Primary data programme
- Contract clauses
- Quarterly scorecards
- Timeline
- Rolling, first results in 10 weeks
- Starting price
- From £19,000
06 of 06From £17,000Climate risk
What flood, heat and carbon pricing do to your sites and your margin.
What you get
- Scenario analysis
- Site risk register
- Financial impact model
- Adaptation plan
- Timeline
- 8 to 10 weeks
- Starting price
- From £17,000
What we do
What each service leaves you with.
Pick a service to see its scope. Each one ends in a document your board, your bank or your auditor can use the same week.
01 of 06From £14,000Carbon footprint
A full Scope 1, 2 and 3 inventory you can defend to an auditor.
What you get
- Scope 1, 2 and 3 inventory
- Data gap register
- Emission factor log
- Board summary
- Timeline
- 6 to 9 weeks
- Starting price
- From £14,000
02 of 06From £22,000Net zero strategy
A target your board signs and a plan your operations team believes.
What you get
- Pathway model
- Costed lever list
- Target submission pack
- First-year roadmap
- Timeline
- 8 to 12 weeks
- Starting price
- From £22,000
03 of 06From £18,000ESG reporting
One report that answers the regulator, the bank and the customer.
What you get
- Materiality assessment
- Disclosure gap analysis
- Annual report
- Assurance file
- Timeline
- 10 to 14 weeks
- Starting price
- From £18,000
04 of 06From £16,000Green energy
Clean power bought on terms that hold for ten years.
What you get
- Load study
- Options appraisal
- Tender documents
- Contract negotiation
- Timeline
- 12 to 20 weeks
- Starting price
- From £16,000
05 of 06From £19,000Supply chain
Scope 3 cut with your suppliers, not estimated around them.
What you get
- Supplier ranking
- Primary data programme
- Contract clauses
- Quarterly scorecards
- Timeline
- Rolling, first results in 10 weeks
- Starting price
- From £19,000
06 of 06From £17,000Climate risk
What flood, heat and carbon pricing do to your sites and your margin.
What you get
- Scenario analysis
- Site risk register
- Financial impact model
- Adaptation plan
- Timeline
- 8 to 10 weeks
- Starting price
- From £17,000
Case studies
The number comes first.
Every project opens on the result a finance director can check: tonnes cut, power switched, a score earned. The story comes after.
Logistics2025−42%tCO2e per parcelNorthline Freight · Supply chainA parcel network cut emissions per parcel by 42 percent in three years.
Manufacturing2024−36%Scope 1 and 2Marlow Polymers · Net zero strategyA plastics moulder took a third off its direct emissions without a new building.
Manufacturing20259,400 tCO2e mapped to sourceTessell Furniture · Carbon footprintA furniture maker found 74 percent of its footprint in three bought materials.
Property2024A−First climate disclosure scoreThe Aldine Hotels · ESG reportingA hotel group published its first full report and scored A− at the first attempt.
Food and drink202583%Power from its own roof and a wind contractBrae Estate Wines · Green energyAn estate winery now runs on 83 percent clean power bought at a fixed price.
Property2023£8.6mExposure found before purchaseCalder Homes · Climate riskA housebuilder priced flood and heat risk into 14 land deals.
Case studies
The number comes first.
Every project opens on the result a finance director can check: tonnes cut, power switched, a score earned. The story comes after.
Logistics2025−42%tCO2e per parcelNorthline Freight · Supply chainA parcel network cut emissions per parcel by 42 percent in three years.
Manufacturing2024−36%Scope 1 and 2Marlow Polymers · Net zero strategyA plastics moulder took a third off its direct emissions without a new building.
Manufacturing20259,400 tCO2e mapped to sourceTessell Furniture · Carbon footprintA furniture maker found 74 percent of its footprint in three bought materials.
Property2024A−First climate disclosure scoreThe Aldine Hotels · ESG reportingA hotel group published its first full report and scored A− at the first attempt.
Food and drink202583%Power from its own roof and a wind contractBrae Estate Wines · Green energyAn estate winery now runs on 83 percent clean power bought at a fixed price.
Property2023£8.6mExposure found before purchaseCalder Homes · Climate riskA housebuilder priced flood and heat risk into 14 land deals.
Case studies
The number comes first.
Every project opens on the result a finance director can check: tonnes cut, power switched, a score earned. The story comes after.
Logistics2025−42%tCO2e per parcelNorthline Freight · Supply chainA parcel network cut emissions per parcel by 42 percent in three years.
Manufacturing2024−36%Scope 1 and 2Marlow Polymers · Net zero strategyA plastics moulder took a third off its direct emissions without a new building.
Manufacturing20259,400 tCO2e mapped to sourceTessell Furniture · Carbon footprintA furniture maker found 74 percent of its footprint in three bought materials.
Property2024A−First climate disclosure scoreThe Aldine Hotels · ESG reportingA hotel group published its first full report and scored A− at the first attempt.
Food and drink202583%Power from its own roof and a wind contractBrae Estate Wines · Green energyAn estate winery now runs on 83 percent clean power bought at a fixed price.
Property2023£8.6mExposure found before purchaseCalder Homes · Climate riskA housebuilder priced flood and heat risk into 14 land deals.

Start here
Book a baseline call.
Thirty minutes with a consultant. You leave with a rough footprint, the two biggest cuts and what a full pathway would cost.
Your call: Pick a size and a service
No cost, no deck. Replies inside one working day.

Start here
Book a baseline call.
Thirty minutes with a consultant. You leave with a rough footprint, the two biggest cuts and what a full pathway would cost.
Your call: Pick a size and a service
No cost, no deck. Replies inside one working day.

Start here
Book a baseline call.
Thirty minutes with a consultant. You leave with a rough footprint, the two biggest cuts and what a full pathway would cost.
Your call: Pick a size and a service
No cost, no deck. Replies inside one working day.