Global Leaders in Sustainability Solutions
Purpose
SLR’s purpose is Making Sustainability Happen.
At SLR, we are true sustainability consultants - combining deep expertise with practical delivery. Our team of scientists, engineers, economists, data modelers, and technicians work across our clients' full sustainability journeys, from strategy through to on-the-ground project planning, execution and ongoing operations, all supported by robust data and science-based modelling.
Approach
We partner with clients to drive meaningful, lasting change.
Our reputation is built on honesty, technical excellence, and collaborative relationships that deliver real results.
We enable the sustainable flow of capital, energy, resources, information, and essential nutrients by helping our clients balance environmental, social, and economic business drivers.
“We founded the business in 1994. Since then, we have built ‘One Team’ of talented environmental and business consultants, engineers and scientists. We partner with clients throughout their project life-cycle from strategy and design, through compliance and operations, to end-of-life remediation.”
Neil Penhall, Vice Chair
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127
Countries
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130+
Offices
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4,400+
Global staff
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45+
technical services
SLR timeline
SLR has been advising clients for over 30 years at every point of their project life-cycle. Starting as a UK business, we now operate as a global company with more than 4,400 people delivering client solutions across six regions. We have grown both organically and through welcoming other like-minded businesses with a similar One Team culture into the SLR group. We are ably supported by our principal investor, Ares Management, and will continue to build a balanced, successful and growing business.
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1994
Founded initially in the UK as SECOR Ltd.
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2000
Company’s name changed to SLR. Operations commence in the USA. Staff numbers 100+.
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2007
Turnover exceeds £30M and 250+ staff. Canada added as an operational region.
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2010
Operations open in Australia. Further growth in North America and UK.
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2011
Operations commence in South Africa and Namibia.
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2014
Group turnover tops £103M. Staff levels 1,000+ SLR operations commence in New Zealand and France.
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2019
300+ people and 6 new businesses added, including MMI and RPA. Total staff numbers pass 1,500.
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2020
Complete acquisitions of MMI & KDC. Operations commence in Ghana.
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2021
Complete acquisitions of 360 Environmental, Vectos & Corporate Citizenship. Adding Germany & Latin American presence.
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2022
Investment from private equity partners Ares Management. Complete acquisitions of 4Sight, Clearlead, ClimSystems, Finch & Beak, OPEN, RCS Global & WRM.
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2023
Staff levels 3,000+ and 3 new businesses acquired, Carnstone, IBIS Consulting and Palmer. SLR launched a new company brand and Bradley Andrews joined as our new Chief Executive Officer.
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2024
1,000+ people join SLR’s global team, with 11 new businesses added, including FRC Environmental, ITPEnergised, Malk Partners, SGA & Wardell Armstrong.
Further reading
Similar pages
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