Direct emissions
8,115
tCO2e
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Sustainability
Scope
REPORTED REPORTED ESTIMATED ESTIMATED ESTIMATED ESTIMATED ESTIMATED ESTIMATED ESTIMATED ESTIMATED ESTIMATED ESTIMATED ESTIMATED ESTIMATED ESTIMATED ESTIMATED ESTIMATED 
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 Score0.3 / 10Significant room to improveFTransparencyVery LowMinimal disclosure across key areas
Explore carbon emissions data for MARUI GROUP CO., LTD.. 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 MARUI GROUP CO., LTD., 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
1,026,698tCO2e(Location Based)(Mycelium adjusted)
- Reported by MARUI GROUP CO., LTD.
- 272,168 tCO₂e
- Estimated by Mycelium
- 754,530 tCO₂e
MARUI GROUP CO., LTD. reported 27% of the adjusted total. Mycelium estimated the remaining 73% for the categories it did not disclose. MARUI GROUP CO., LTD. reported a Scope 3 total of 241,570 tCO₂e but did not break it down into the 15 categories. The model of the categories it did not report comes to more than that, so the adjusted total counts the model, with the reported figure inside it.
Scope 1
tCO2e
8,115
Scope 2 (Location Based)
tCO2e
22,483
Scope 3 total
tCO2e
996,100
Figures from page 19 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
0.340kgCO2e / $
Supplier specific emission factors (kgCO2e / $)
Modelled
Reported
UpstreamScope 1, 2 + upstream Scope 3
0.340
0.019
Total+ all Scope 3
–
0.167
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
- MARUI GROUP CO., LTD. reported 272,168 tCO₂e in 2024.
- Scope 3 accounted for 89% of reported emissions.
- Scope 2 reported under the location based methodology.
According to available emissions disclosures, MARUI GROUP CO., LTD. reported total yearly emissions of 272,168 tCO₂e in 2024. Scope 3 emissions accounted for 89% 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 0.3, placing it well below average for its sector for sustainability performance, and received a transparency score of 8.2, pointing to very little public detail on their key emissions.
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
22,483
tCO2eMarket based
–
tCO2eScope 3 emissions
Wider value chain emissions across the 15 GHG Protocol categories, from purchased goods and business travel to investments, where reported.
MARUI GROUP CO., LTD. reported a Scope 3 total of 241,570 tCO₂e but did not break it down into the 15 categories. Mycelium's model of the categories it did not report comes to more than that, so the estimates below replace it in the adjusted total, with the reported figure counted inside them. The reported figure is not discarded, and you can see it in the downloads below.
Cat 1
Purchased goods & services
480,236
tCO2eCat 2
Capital goods
8,256
tCO2eCat 3
Fuel & energy related activities
3,124
tCO2eCat 4
Upstream transportation & distribution
23,494
tCO2eCat 5
Waste generated in operations
934
tCO2eCat 6
Business travel
734
tCO2eCat 7
Employee commuting
3,322
tCO2eCat 8
Upstream leased assets
1,568
tCO2eCat 9
Downstream transportation & distribution
13,016
tCO2eCat 10
Processing of sold products
76,518
tCO2eCat 11
Use of sold products
349,635
tCO2eCat 12
End-of-life treatment of sold products
19,556
tCO2eCat 13
Downstream leased assets
4,509
tCO2eCat 14
Franchises
4,682
tCO2eCat 15
Investments
6,516
tCO2e15 values were derived via Mycelium's normalisation process rather than reported by the company. The company's own Scope 3 total is reported, it was simply filed as a single figure with no category split. A cell marked “ESTIMATED” is a figure the company did not disclose, modelled by Mycelium.
Climate targets
Science Based Targets initiative
Near-term target
Targets set (1.5°C), target year 2030
Long-term target
Targets set (1.5°C), target year 2050
Net zero
Targets set, target year 2050
Source: Science Based Targets initiative, Companies Taking Action.
Contact Info
Website
0101maruigroup.co.jpCountry
Japan
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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. MARUI GROUP CO., LTD.'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 MARUI GROUP CO., LTD., the single biggest gap is Purchased goods & services (Scope 3 Category 1). Mycelium estimates it accounts for around 47% 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.
Other material categories MARUI GROUP CO., LTD. hasn't disclosed:
- Use of sold products (Scope 3 Category 11), around 34% of the estimated footprint
- Processing of sold products (Scope 3 Category 10), around 7% of the estimated footprint
In total, roughly 97% of MARUI GROUP CO., LTD.'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 MARUI GROUP CO., LTD. with similar companies
MARUI GROUP CO., LTD. carbon emissions FAQs
What are MARUI GROUP CO., LTD.'s carbon emissions?
In its 2024 reporting year, MARUI GROUP CO., LTD. disclosed total emissions of 272,168 tCO2e across all scopes. Including Mycelium estimates for undisclosed categories, the adjusted total is 1,026,698 tCO2e. Scope 3 accounted for the largest share of the reported total, around 89%.
Does MARUI GROUP CO., LTD. report Scope 1, Scope 2 and Scope 3 emissions?
For 2024, MARUI GROUP CO., LTD.'s available disclosure covers Scope 1 (8,115 tCO2e), Scope 2 (22,483 tCO2e) and a Scope 3 total of 241,570 tCO2e without a category breakdown. Figures not reported by the company are shown as modelled estimates and labelled as such.
How transparent is MARUI GROUP CO., LTD.'s emissions reporting?
MARUI GROUP CO., LTD. has a Mycelium transparency score of 8.2 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 MARUI GROUP CO., LTD. sustainable?
Mycelium measures sustainability through carbon emissions data rather than giving a yes or no verdict. MARUI GROUP CO., LTD. has a Mycelium Score of 0.3 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 MARUI GROUP CO., LTD. environmentally friendly?
Carbon emissions are one measurable part of environmental impact, and the part Mycelium tracks. MARUI GROUP CO., LTD. disclosed 272,168 tCO2e for 2024, and its Mycelium Score of 0.3 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.