Direct emissions
880
tCO2e
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Sustainability
Scope
REPORTED REPORTED REPORTED REPORTED ESTIMATED ESTIMATED ESTIMATED REPORTED REPORTED ESTIMATED ESTIMATED ESTIMATED ESTIMATED ESTIMATED ESTIMATED ESTIMATED ESTIMATED REPORTED 
Read the full scoring methodologyOur white paper covers exactly how the Mycelium Score and Transparency Score are calculated, including the normalisation process and what earns a 10/10.Download the white paper (PDF)
Mycelium Score5.1 / 10A mid-pack scoreATransparencyVery HighExtensive disclosure across almost all key areas
Explore carbon emissions data for Tsb Bank PLC. Mycelium helps you review reported emissions, disclosure status, Scope 1, Scope 2 and Scope 3 data, climate targets and sustainability information in one company profile.
This profile brings together available carbon emissions data for Tsb Bank PLC, including reported figures, modelled estimates, disclosure documents and sustainability indicators, so you can review its emissions and compare its performance against similar companies. It is one entry in the Mycelium emissions database. Read how we source and check this data.
Emissions
Carbon emissions
Total yearly emissions across all scopes
484,740tCO2e(Market Based)(Mycelium adjusted)
- Reported by Tsb Bank PLC
- 458,423 tCO₂e
- Estimated by Mycelium
- 26,317 tCO₂e
Tsb Bank PLC reported 95% of the adjusted total. Mycelium estimated the remaining 5% for the categories it did not disclose.
Scope 1
tCO2e
880
Scope 2 (Market Based)
tCO2e
18
Scope 3 total
tCO2e
483,842
Figures from page 32 of the source report
Scope 3 reported
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
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See the scope breakdownProvenance
Emissions
Factors
0.006kgCO2e / $
Supplier specific emission factors (kgCO2e / $)
Modelled
Reported
UpstreamScope 1, 2 + upstream Scope 3
0.006
0.001
Total+ all Scope 3
–
0.297
Per US dollar of revenue. Mycelium models the upstream factor only.
Which figure should I use?
Estimating your own supply-chain emissions from spend with this company? Use Upstream Modelled. The GHG Protocol defines purchased-goods emissions as cradle-to-gate, which means this company's own operations plus its upstream supply chain. Any of those emissions the company has not disclosed are filled with modelled estimates, so a transparent company is not unfairly penalised against one that simply has not reported.
Looking at what the company filed itself? Use the Reported column. Total Reported also includes downstream emissions, such as the lifetime use of the products this company sells, which the GHG Protocol attributes to the users of those products rather than to customers buying goods and services.
Reported counts only emissions the company has filed itself. A blank or low Reported cell does not mean those emissions do not exist, just that the company has not disclosed them. When Upstream Reported sits close to Upstream Modelled, that is a positive signal: the company has disclosed most of its upstream emissions.
Sustainability
Snapshot
Based on reported data, retrieved with AI
- Tsb Bank PLC reported 458,423 tCO₂e in 2025.
- Scope 3 accounted for 100% of reported emissions.
- Reported across 4 of 15 GHG Protocol Scope 3 categories.
- Scope 2 reported under the market based methodology.
According to available emissions disclosures, Tsb Bank PLC reported total yearly emissions of 458,423 tCO₂e in 2025. Scope 3 emissions accounted for 100% of the reported footprint, indicating supply chain activity, purchased goods and services, business travel, and wider operational dependencies were the most significant contributors to the company's carbon footprint.
The company achieved a Mycelium Score of 5.1, placing it mid-pack within its sector for sustainability performance, and received a transparency score of 97.2, an exceptional result, reflecting open disclosure across nearly every key emissions metric.
Scope
breakdown
Scope 1 emissions
Direct emissions from sources the company owns or controls, such as fuel use, facilities and vehicles.
Scope 2 emissions
Indirect emissions from purchased energy, including electricity, heating and cooling.
Location based
1,919
tCO2eMarket based USED IN TOTAL
18
tCO2eScope 3 emissions
Wider value chain emissions across the 15 GHG Protocol categories, from purchased goods and business travel to investments, where reported.
Cat 1
Purchased goods & services
466
tCO2eCat 2
Capital goods
3,287
tCO2eCat 3
Fuel & energy related activities
839
tCO2eCat 4
Upstream transportation & distribution
446
tCO2eCat 5
Waste generated in operations
14
tCO2eCat 6
Business travel
91
tCO2eCat 7
Employee commuting
3,295
tCO2eCat 8
Upstream leased assets
429
tCO2eCat 9
Downstream transportation & distribution
472
tCO2eCat 10
Processing of sold products
18,341
tCO2eCat 11
Use of sold products
124
tCO2eCat 12
End-of-life treatment of sold products
42
tCO2eCat 13
Downstream leased assets
910
tCO2eCat 14
Franchises
1,567
tCO2eCat 15
Investments
453,519
tCO2e11 values were derived via Mycelium's normalisation process rather than reported by the company. A cell marked “ESTIMATED” is a figure the company did not disclose, modelled by Mycelium.
Verification
Independent third parties involved in checking or preparing Tsb Bank PLC's emissions data.
Independent assurance
Independently assured(limited assurance)by KPMG LLPfor 2025
Carbon accountant
Eco Actprepared the 2025 figures
Climate targets
Science Based Targets initiative
Near-term target
Commitment removed
Source: Science Based Targets initiative, Companies Taking Action.
Contact Info
Website
www.tsb.co.ukCountry
United Kingdom
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How scoring works
How the Mycelium Score is calculated
The Mycelium Score is out of 10. Up to 6.5 points reflect carbon intensity vs peers in the same NACE section (emissions normalised against revenue, log-scaled between the 5th and 95th percentile of each company's latest reporting year in that section; a section needs at least 5 companies to be benchmarked). The band above 6.5 is earned through verified data quality on a claimed profile: declaring every reporting category yourself (up to 2.0), preparation by a carbon accountant (2.0) and independently audited figures (2.0). The total is multiplied by the transparency score and capped at 10. A disclosure with an implausibly large figure (Scope 1 or 2 over 300 million tonnes, a Scope 3 figure over 2 billion tonnes or a total over 2.5 billion tonnes) is not scored until it has been checked.
A higher score means lower carbon intensity than sector peers, backed by data that's third-party verified, claimed by the company, and fully disclosed. Tsb Bank PLC's score sits at the top of this page and in the score panel. Without a revenue figure to measure carbon intensity, or an industry classification to compare it within, a company has no score.
How the Transparency Score is calculated
The Transparency Score is the share of a company's estimated footprint that it reported itself, graded from A (very high) down to F (very low). Where a category is missing, Mycelium models what it would hold for a company of that size and industry and counts it as undisclosed, so an unreported category where the bulk of emissions sit hurts far more than a minor one. Unreported downstream categories (9 to 15) count at a quarter of their modelled size in this share; the carbon intensity behind the score still counts them in full. A Scope 3 total filed without a category breakdown earns very little credit for the part left unattributed, because it does not show which categories are inside it: a company can count business travel, leave purchased goods out entirely, and the total looks the same. Without a revenue figure the footprint cannot be modelled, so the company has no Transparency Score.
For Tsb Bank PLC, the single biggest gap is Processing of sold products (Scope 3 Category 10). Mycelium estimates it accounts for around 4% of the company's estimated footprint, yet it hasn't been disclosed. Leaving a bucket this large unreported is what's holding the transparency score down.
In total, roughly 6% of Tsb Bank PLC's estimated emissions sit in categories it hasn't reported. Disclosing these would be the fastest way to raise the transparency score.
Read the full scoring methodologyOur white paper covers exactly how the Mycelium Score and Transparency Score are calculated, including the normalisation process and what earns a 10/10.Download the white paper (PDF)Compare Tsb Bank PLC with similar companies
Tsb Bank PLC carbon emissions FAQs
What are Tsb Bank PLC's carbon emissions?
In its 2025 reporting year, Tsb Bank PLC disclosed total emissions of 458,423 tCO2e across all scopes. Including Mycelium estimates for undisclosed categories, the adjusted total is 484,740 tCO2e. Scope 3 accounted for the largest share of the reported total, around 100%.
Does Tsb Bank PLC report Scope 1, Scope 2 and Scope 3 emissions?
For 2025, Tsb Bank PLC's available disclosure covers Scope 1 (880 tCO2e), Scope 2 (18 tCO2e) and Scope 3 across 4 of the 15 GHG Protocol categories. Figures not reported by the company are shown as modelled estimates and labelled as such.
How transparent is Tsb Bank PLC's emissions reporting?
Tsb Bank PLC has a Mycelium transparency score of 97.2 out of 100. The score is the share of the company's estimated footprint that it reported itself, so an undisclosed category where most of its emissions sit weighs far more than a minor one.
Is Tsb Bank PLC sustainable?
Mycelium measures sustainability through carbon emissions data rather than giving a yes or no verdict. Tsb Bank PLC has a Mycelium Score of 5.1 out of 10, which reflects its emissions intensity against sector peers together with how transparent and well-verified its reporting is. The emissions figures, disclosure documents and climate targets on this page give the fuller picture.
Is Tsb Bank PLC environmentally friendly?
Carbon emissions are one measurable part of environmental impact, and the part Mycelium tracks. Tsb Bank PLC disclosed 458,423 tCO2e for 2025, and its Mycelium Score of 5.1 out of 10 shows how that performance compares with similar companies in its sector.
Learn more about our methodology and where this data comes from.