Compare carbon emissions across Professional, Scientific & Technical companies
The table ranks Professional, Scientific & Technical companies by Mycelium Score, which rewards low emissions intensity within the sector, transparent reporting and third-party verification, rather than by raw totals, which would penalise the companies that report most completely. Mycelium tracks 890 companies in this sector, 658 of them with a Mycelium Score; the top 25 are shown here.
Browse all Professional, Scientific & Technical companies →
Why professional, scientific & technical emissions data matters
Organisations buy advice, design and research from these firms, so their emissions appear in clients' Scope 3 purchased services. Comparable figures let clients compare firms on what they actually report.
Carbon emissions data methodology
Mycelium combines public company disclosures with clearly labelled modelled estimates so companies can be compared on a like for like basis. Data availability varies by company, reporting year and disclosure type. Read our methodology, data sources and glossary for the detail.
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Professional, Scientific & Technical carbon emissions FAQs
What are Professional, Scientific & Technical carbon emissions?
Professional, Scientific & Technical carbon emissions are the greenhouse gases produced by companies in this sector, reported as Scope 1 (direct operations), Scope 2 (purchased energy) and Scope 3 (the wider value chain). Mycelium brings the sector's public disclosures together so they can be searched and compared in one place.
Can I compare Professional, Scientific & Technical companies by carbon emissions?
Yes. Mycelium ranks Professional, Scientific & Technical companies by Mycelium Score, which reflects emissions intensity within the sector alongside transparency and verification, and each profile shows reported figures, disclosure documents and climate targets. Mycelium currently tracks 890 companies in this sector.
Where does this Professional, Scientific & Technical emissions data come from?
The data comes from publicly available company disclosures such as sustainability reports and annual reports, combined with modelled estimates where reporting is incomplete. Modelled values are always labelled. See our methodology and data sources for the full picture.