ERM (Environmental Resources Management) is a London-headquartered sustainability consultancy that calls itself the world's largest advisory firm focused solely on sustainability. It has more than 8,000 people in over 140 offices across 40+ countries and territories. Its near-term, long-term and net-zero targets are validated by the Science Based Targets initiative.
ERM advises corporates and financial institutions on sustainability strategy and transformation, climate and decarbonization, EHS and risk, social performance, and sustainable finance and due diligence. It pairs strategy work with technical delivery.
Source: erm.com, erm.com
Its clients are corporates and financial institutions. ERM also publishes research such as Rate the Raters 2026, on how investors view ESG ratings.
Source: erm.com, erm.com
ERM formed in 1987 from the merger of UK-based ERL, founded in 1971, and US-based ERM, founded in 1977, then grew through acquisitions. It is privately owned and reported revenue of US$1.32B in 2023.
Source: en.wikipedia.org
ERM Group's near-term, long-term and net-zero targets are validated by the Science Based Targets initiative (checked October 16, 2026).
Source: sciencebasedtargets.org
ERM suits large organizations that need global, multidisciplinary sustainability and EHS support, including technical field work.
| Field | Value | Source |
|---|---|---|
| Headquarters | London, UK | PUBLIC SOURCE en.wikipedia.org |
| Founded | 1987 (merger of ERL, 1971, and ERM, 1977) | PUBLIC SOURCE en.wikipedia.org |
| Ownership | Private | PUBLIC SOURCE en.wikipedia.org |
| Employees | 8,000+ | COMPANY WEBSITE erm.com |
| Revenue (published) | US$1.32B (2023) | PUBLIC SOURCE en.wikipedia.org |
| Operations and regions | 40+ countries and territories, 140+ offices | COMPANY WEBSITE erm.com |
| Customers and markets | Corporates and financial institutions | COMPANY WEBSITE erm.com |
Only what the company or an official register publishes. Targets and commitments are labelled as such. No data means we found no public figure, not that none exists.
| Field | Value | Source |
|---|---|---|
| SBTi target status | Near-term: Validated Targets; Long-term: Validated Targets; Net-zero: Validated Targets (SBTi entity: ERM Group) | PUBLIC SOURCE sciencebasedtargets.org |
In London, UK. (en.wikipedia.org)
More than 8,000 people in over 140 offices across 40+ countries and territories. (erm.com)
Yes. Its near-term, long-term and net-zero targets are validated. (sciencebasedtargets.org)
Accessed Oct 24, 2026.
