SLR Consulting

What SLR Consulting does

SLR Consulting is a global environmental and sustainability consultancy providing advisory, technical, and digital services to enterprise clients in mining, energy, finance, government and infrastructure, industry and technology, and built environment sectors. Operating from 140+ offices across six regions (Europe, Africa, Asia-Pacific, Canada, Latin America, USA) with 5,000+ colleagues spanning 60+ technical disciplines, SLR delivers project-based professional services covering the full asset lifecycle from strategy, planning, and permitting through engineering, operations, compliance, and remediation. Founded in 1994 and headquartered in the United Kingdom, the firm is privately held and backed by private equity firm Ares Management.

The firm's service portfolio is organized across advisory (corporate sustainability strategy, responsible finance, energy transition, mining advisory, climate resilience), technical (planning and assessment, engineering and design, environmental and earth sciences), and digital services, with dedicated solution areas including Climate Resilience and Net Zero, Energy Transition, Nature and Natural Capital, Sustainable Sourcing, Social and Community Impact, Sustainable Finance, and Waste and Circularity. SLR's technical differentiation rests on proprietary frameworks aligned with TCFD, IFRS S2, ESRS S2, OECD Due Diligence Guidance, and EU Battery Regulation Chapter VII, combined with the CLIMsystems climate data platform (acquired 2024–2026) providing access to 60+ climatic variables through 2100, and a 300+ supply chain audit library built through its multi-year program with CATL.

Revenue is generated through multi-year, project-based consulting engagements priced on a quote basis per scope, complexity, geography, and regulatory requirements. The go-to-market is enterprise field sales supported by content marketing via the Content Hub and Advisory Digest newsletter, participation at industry events such as the Africa Energy Forum, and webinar thought leadership. The company is pursuing an aggressive inorganic growth strategy under Ares Management, having executed ten-plus acquisitions since 2021 including Wardell Armstrong, Malk Partners, SGA, RPM Advisory, Forte Dynamics and Forte Analytical, Responsible Mining Solutions, MacArthur Green, Planmetrics, CLIMsystems, Geobiota, and Anchor Environmental Consultants. SLR holds ISO 9001, ISO 14001, and ISO 45001 certifications across multiple regions and Silver accreditation as a UK climate change consultancy.

Name

SLR Consulting

Legal name

SLR Consulting Limited

Website

https://slrconsulting.com

Company type

Private

Founded year

1989

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

SLR Consulting is a global environmental and sustainability consultancy delivering advisory, technical, and digital services to mining, energy, finance, government, and infrastructure clients across 140+ offices in six regions, backed by Ares Management private equity.

Ownership category

akta.pro rank

Product category

Environmental and Sustainability Consulting

NAICS

Environmental Consulting Services (54162), Other Management Consulting Services (541618), Management Consulting Services (54161)

SIC

Services-Management Consulting Services (8742), Services-Computer Programming, Data Processing, Etc. (7370)

akta.pro primary industry

Sustainability, ESG & Climate Risk Advisory (BPAHAJAH)

akta.pro secondary industries

Sustainability & ESG Consulting (BPAHACAK), Benchmarking, Ratings & Stakeholder Reporting Portals (Scorecards, Dashboards) (EUABAEAJ), Supply Chain (Scope 3) Emissions & Supplier Engagement Platforms (EUABAEAE)

Keywords

• Environmental consulting
• Sustainability advisory
• Climate risk assessment
• Mining consultancy
• ESG advisory

Headquarters

HQ city

Slough

HQ country

United Kingdom

HQ region

Europe

Offices13 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Sustainability Consulting Services: Professional consulting services spanning advisory, planning & assessment, engineering & design, environmental & earth sciences, and digital services. Revenue generated through project-based engagements with clients across mining, energy, finance, government, and infrastructure sectors.
2. Environmental Impact Assessment Services: EIA and environmental assessment services for infrastructure, mining, and energy projects, typically involving regulatory compliance and permitting support for clients.
3. Supply Chain Audit and Due Diligence Services: Responsible sourcing mapping and audit services including capacity building programs, corrective action plan monitoring, and annual reporting support for compliance with regulations like EU Battery Regulation.
4. ESG Advisory Services: Sustainability advisory services including materiality assessments, ESG target setting, and integration of sustainability throughout project lifecycles for corporate bankability.

Pricing tiers

Go-to-market motion3 records

Distribution channels1 record

Marketing channels6 records

Core offering

SLR Consulting is a global sustainability and environmental consultancy delivering advisory, technical, and digital services to enterprise clients across mining, energy, finance, government, industry, and infrastructure sectors. The firm's core offerings include environmental impact assessment, climate scenario analysis and TCFD-aligned disclosures, responsible sourcing/supply chain audits, mining advisory (including NI 43-101 technical reporting), carbon and energy management, civil/structural and water resources engineering, and ESG advisory for private market investors. Service delivery is organized around seven solution areas covering climate resilience, energy transition, natural capital, sustainable sourcing, social impact, sustainable finance, and waste/circularity, supported by CLIMsystems climate analytics.

Product overview

SLR Consulting is a global sustainability and environmental consultancy offering a unified portfolio of advisory, technical, and digital services. The core offering comprises Advisory Services (corporate sustainability strategy, ESG advisory, climate resilience, sustainable finance), Technical Services (engineering, environmental earth sciences, planning/assessment), and Digital Services (data tools and climate analytics). The company operates across defined solution areas including Climate Resilience & Net Zero, Energy Transition, Nature & Natural Capital, Sustainable Sourcing, Social & Community Impact, Sustainable Finance, and Waste & Circularity. Specialized service lines include Mining sector services (NI 43-101 technical reporting, geological consulting), Carbon & Energy Management (with CLIMsystems climate data platform), and Mobility & Sustainable Transport Solutions. Recent acquisitions including Planetrics, ClimSystems, Responsible Mining Solutions Corp., and MacArthur Green have expanded the climate analytics and sustainability consulting capabilities. The integrated 'One Team' approach combines multidisciplinary expertise across Europe, Africa, Asia-Pacific, Canada, Latin America, and the USA.

Differentiator

Problem solved

Functional benefit

Products and services

• Advisory Services Corporate sustainability strategy, responsible finance, energy transition, mining advisory, and climate resilience consulting delivered by expert advisors for enterprise clients.
• Digital Services Product software, data, and tools paired with technical capabilities to provide science-based foresight and insight for resilience and confident decision-making.
• Technical Services Global network of technical specialists providing multidisciplinary environmental and sustainability expertise including planning, assessment, engineering, and environmental earth sciences.
• Climate Resilience & Net Zero Solutions Integrated sustainability solutions helping organizations transition to low-carbon futures and build climate resilience, including climate scenario analysis and TCFD/IFRS S2/ESRS S2-aligned disclosures.
• Energy Transition Solutions Advisory and technical support for renewable energy, hydrogen, and sustainable energy infrastructure development.
• Nature, Natural Capital & Biodiversity Solutions Services supporting ecosystem restoration, natural capital accounting, and biodiversity assessment.
• Sustainable Sourcing Solutions Responsible sourcing mapping, supply chain audits, and due diligence services for critical minerals and raw materials.
• Social & Community Impact Solutions Advisory services for social license, community engagement, and inclusive economic development.
• Sustainable Finance Solutions ESG advisory, climate risk analytics, and sustainability disclosure support for financial sector clients.
• Waste & Circularity Solutions Sustainable waste management, circular economy, and resource recovery advisory services.
• Mining Sector Services Full-service mining advisory including NI 43-101 technical reporting, geological consulting, resource estimation, metallurgy, and mine permitting across all stages of the mining lifecycle.
• Carbon & Energy Management Services Comprehensive carbon accounting, Scope 1-3 GHG inventories, SBTi-aligned net zero strategies, TCFD disclosures, and decarbonization roadmaps delivered by climate specialists in EMEA, NA, and APAC.
• CLIMsystems Climate Data Platform Climate data access providing 60+ climatic variables across climate scenarios based on global climate models up to 2100 for climate risk assessments.
• Mobility & Sustainable Transport Solutions Traffic engineering, transport planning, active transportation, car parking, EV charging, and mobility hub feasibility services.
• Planning & Assessment Services Environmental impact assessments, EIA management, permitting support, and regulatory compliance services across global jurisdictions.
• Engineering & Design Services Civil-structural engineering, water resources engineering, and sustainable infrastructure design.
• Environmental & Earth Sciences Services Air quality, contaminated land, hydrogeology, and geotechnical services.
• Responsible Sourcing Audit Programme Supply chain audits covering traceability, ESG due diligence, and corrective action planning for critical mineral supply chains, conducted in partnership with CATL since 2019 with over 300 audits across 10+ countries.
• Climate Physical and Transition Risk Assessment Physical risk assessment analyzing climate hazards across value chains, plus transitional risk and opportunity assessment aligned with ESRS S2 and IFRS S2 standards.

Quantifiable outcome

• Suppliers' average performance improved by more than 30% through capacity-building initiatives
• +2 more outcomes

Named customers19 records

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

15 partnerships are on record, tiered core, minor, key client, key consultant, core technology partner, industry initiative and key partner.

• Anchor Environmental ConsultantscoreStrategic or Co-development Partner · 2 June 2026Cape Town-based marine and natural capital consultancy Anchor Environmental Consultants acquired by SLR, formalizing their long-standing collaboration. The 45-person firm brings expertise in ecological assessment, ecosystem services, and natural capital accounting to SLR's global operations spanning Europe, Americas, Asia-Pacific, Middle East, and Africa.
• Planimetrics and ClimSystemscoreStrategic or Co-development Partner · 13 May 2026SLR expanded climate intelligence capabilities through acquiring climate analytics firms Planmetrics and ClimSystems, meeting rising demand for climate risk analytics across global markets.
• GeobiotacoreStrategic or Co-development Partner · 2 April 2026SLR acquired Geobiota, a Chilean environmental consulting firm with approximately 200 employees, to strengthen environmental leadership in Latin America. Geobiota specializes in environmental engineering and natural resource management for mining and energy sectors.
• SB&COminorStrategic or Co-development Partner · 10 February 2026SLR acquired sustainability consulting and solutions provider SB&CO to expand sustainability advisory capabilities.
• Forte Dynamics and Forte AnalyticalcoreStrategic or Co-development Partner · 15 October 2025SLR acquired Forte Dynamics and Forte Analytical, prominent US mining engineering and metallurgical testing firms, to strengthen capabilities in critical minerals and battery metals sectors and expand service offerings globally.
• RPM AdvisorycoreStrategic or Co-development Partner · 24 February 2025SLR acquired RPM Advisory as part of strategic expansion in mining advisory sector focusing on sustainability. Transaction combines two leading global mining advisory teams to enhance expertise across all sustainability dimensions in mining.
• Wardell ArmstrongcoreStrategic or Co-development Partner · 18 October 2024SLR acquired UK-based environmental, engineering, and mining consultancy Wardell Armstrong, creating a combined group of nearly 1,800 employees across Europe. The acquisition aims to expand services, sectors, and geographies with focus on sustainability and environmental solutions.
• Malk PartnerscoreStrategic or Co-development Partner · 4 October 2024SLR acquired Malk Partners, an ESG advisory firm in New York City. Malk Partners specializes in sustainability management for private market investors and serves over 200 clients across various asset classes.
• SGA (Gestion Ambiental SpA)coreStrategic or Co-development Partner · 10 June 2024SLR acquired Chile-based environmental consultancy SGA, specializing in mining, energy, and infrastructure sectors. The deal expands SLR's services in Latin America and creates a large ESG strategic advisory team. SGA brought 170 consultants.
• Greenland Mines Ltdkey clientImplementation/ SI/ Consulting PartnerSLR serves as geological consultant and Qualified Person for Greenland Mines' Skaergaard Project, having prepared the 2022 NI 43-101 Technical Report. SLR supports resource definition, drill planning, mining methods, metallurgy, and processing flowsheet development.
• GTK Minteckey consultantImplementation/ SI/ Consulting PartnerGTK Mintec appointed as metallurgical consultant for Skaergaard Project, executing framework agreement for metallurgical testwork.
• WSP Denmarkkey consultantImplementation/ SI/ Consulting PartnerWSP Denmark engaged for environmental baseline work on Skaergaard Project.
• CLIMsystemscore technology partnerTechnology or IntegrationSLR's dedicated team of scientists from CLIMsystems provides access to the latest climate data to assess potential future changes of 60+ climatic variables across climate scenarios based on global climate models up to 2100.
• ACT (Action, Collaboration, Transformation)industry initiativeStrategic or Co-development PartnerSLR supports ACT (Action, Collaboration, Transformation) accountability and monitoring reporting for sustainable nickel mining practices in Indonesia.
• Ausenco Engineering USA South Inckey partnerChannel Partner/ Reseller/ DistributorAusenco retained SLR Consulting for specialized heap leach engineering and mine planning expertise on the DeLamar Project in Idaho.

Scale indicators8 records

Recent moves6 records

Expansion highlights8 records

Direct peers

• ERM (Environmental Resources Management): ERM is the largest pure-play environmental, sustainability, and health & safety consultancy globally, with deep mining, energy, and supply-chain due diligence practices that directly overlap SLR's core offerings, including ESG auditing, climate advisory, and responsible sourcing.
• Arcadis: Arcadis is a global design, engineering, and sustainability consultancy with comparable offerings in environmental assessment, climate resilience, water, and mining—directly competing with SLR across European and global mining and infrastructure clients.
• Ramboll: Ramboll is a Denmark-based engineering, architecture, and sustainability consultancy with a strong environmental and climate practice, competing with SLR on EIA, energy transition, and built environment sustainability mandates across Europe and the US.
• Stantec: Stantec is a North American-headquartered engineering, environmental, and project management firm that overlaps with SLR on water resources, mining, infrastructure, and environmental impact assessment, including recent activity in sustainability advisory.
• Tetra Tech: Tetra Tech is a leading global consulting and engineering firm focused on water, environment, and sustainable infrastructure, with comparable mining, energy, and ESG advisory practices that compete with SLR on environmental and climate mandates.

Broad incumbents

• WSP Global: WSP is a global engineering and professional services firm with major environment and sustainability practices following its Golder Associates acquisition, competing with SLR on EIA, permitting, mining advisory, and climate mandates across the same enterprise client base.
• AECOM: AECOM is a global infrastructure consulting firm with a sizable environment and sustainability practice, competing with SLR on large EIA, permitting, mining, and government infrastructure mandates for multinational clients.
• Jacobs Solutions: Jacobs is a global professional services firm with environmental, water, and sustainability capabilities, competing with SLR on infrastructure, mining, and government environmental consulting mandates for enterprise and public-sector clients.
• AtkinsRéalis: AtkinsRéalis (formerly SNC-Lavalin) is a Canadian-headquartered engineering and project management firm with a sizable environmental services practice that competes with SLR on mining, energy, and infrastructure sustainability mandates globally.

Emerging players

• Anthesis Group: Anthesis is a sustainability advisory and software firm focused on ESG strategy, supply chain sustainability, and climate disclosure—overlapping with SLR's Malk Partners and sustainable sourcing offerings but with a more software-led model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks7 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@SLR_consulting
• LinkedInlinkedin.com/company/slr-consulting
• Xx.com/slrenvironment

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Subsidiaries14 records

Funding overview

Funding rounds3 records

Investors3 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A33 records

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about SLR Consulting