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SLR Consulting

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Global Environmental Consultants - SLR Consulting

Aylesbury, United KingdomFounded 1994Energy

Valuation $250–500M Last recorded · 2008

Revenue $100–500M Latest reported FY

Headcount 2–5k Current team size

Total funding $50–100M Disclosed equity funding

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About SLR Consulting

SLR Consulting is a global leader in providing sustainability solutions, offering strategic, engineering, and technical services to help businesses navigate the complexities of sustainable practices. The company serves a diverse range of clients, including corporations, governments, and non-profit organizations, across various industries such as energy, mining, infrastructure, and manufacturing. Operating in a highly competitive market, SLR Consulting leverages its extensive network of over 3,000 professionals working from more than 100 offices across six continents. The business model is centered around delivering high-value consultancy services, which generate revenue through project-based engagements and long-term partnerships. SLR Consulting's mission is to make sustainability happen by partnering with clients to address some of the world's most pressing environmental and social challenges. The company has grown significantly through strategic acquisitions, enhancing its capabilities and expanding its global footprint.

MoreLess Source: Dealroom company data

At a glance

Status: Acquired
Founded: 1994
Headquarters: Aylesbury, United Kingdom
Employees: 4,246
Open positions: 129
Dealroom signal: 55.3/100
Industry: Energy
Sector: Energy, Solar Energy, Sustainable Development Goals, Climate Tech, Renewable Energy, Hard Tech, Horizon Europe
Client focus: b2b
Investment activity: 26 companies, latest Jun 2026
Capital deployed: —
Preferred round: ACQUISITION
Links: Website LinkedIn X

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Funding history

3 recorded events

Company financing events and reported valuations.

Deal type	Date	Amount	Valuation	Investors	Source
BUYOUTOther financing	Jun 2022	$0	—	Ares Management	↗
SERIES COther financing	Jun 2008	$64M	$258M	3i Group	—

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Financials

Revenue, earnings and profit over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

Year	Revenue	Growth	EBITDA	Margin
2026
2025
2024
2023
2022
2021
2020		—

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Growth signals

SLR Consulting website traffic

Latest recorded traffic for SLR Consulting is 100K monthly website visits, down 9.1% over the last three months. SLR Consulting's team grew 7.4% over the past year.

Latest monthly visits100K 3-month web change-9.1% 1-year team growth+7.4%

Monthly website visitsJan 2017–Jul 2026

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Open positions

Openings linked to this company in Dealroom

Early Career Environmental Scientist/EngineerVictoria, British Columbia, Canada, Northern America, Americas · Other · Sep 5, 2026 Senior E&S ConsultantJohannesburg, South Africa, Southern Africa, Africa · Human Resources · Sep 4, 2026 Corporate Sustainability InternJohannesburg, South Africa, Southern Africa, Africa · Other · Sep 4, 2026 Senior Mining EngineerSudbury, Ontario, Canada, Northern America, Americas · Other · Sep 3, 2026 Marketing and Communications Manager - B4SILondon, United Kingdom, Northern Europe, Europe · Marketing & Communication · Sep 2, 2026 Traffic EngineerBrisbane, Australia, Australia and New Zealand, Oceania · Other · Sep 2, 2026 Project Manager - Multidisciplinary ConsultingBolton, United Kingdom, Northern Europe, Europe · Project Management · Aug 28, 2026 Metallurgical TechnicianFort Collins, Colorado, United States, Northern America, Americas · Other · Aug 27, 2026

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