At CMT Group, sustainability is not a policy document. It is built into everything we do. From the products we source to the technology we deploy on your site, every decision we make contributes to a greener future for UK construction.
Five pillars. Measurable results. A sustainable future, built together.
We believe the suppliers who will define the future of UK construction are those who take environmental and social responsibility seriously today.
CMT Group has built a structured, five-pillar sustainability framework that delivers real, measurable outcomes. Whether you are reporting Scope 3 emissions, meeting net-zero targets, or looking for a supplier who takes these issues as seriously as you do, CMT is the partner you have been looking for.
From UK woodland restoration and AI-powered CO2 tracking on site, to an EV fleet transition and a dedicated sustainable product range, every part of our business is working towards a greener tomorrow.
2,300+
Species benefitting from our nature restoration
Our framework
Five pillars of sustainability and social value
561m2 restored
01 / Planet
Environment and Nature
Tree planting, habitat restoration and biodiversity across the UK.
150 trees planted in 2025. 561m2 of UK habitat restored. 1,500kg of carbon absorbed. In partnership with Tomorrow's Forests, our environmental work delivers verified, measurable outcomes for nature.
Our ThinkGreen range, sustainable sourcing and responsible packaging.
Every product in the ThinkGreen range is assessed for reduced packaging, recycled content and lower-impact materials. We are actively building product-level carbon data to support your Scope 3 reporting.
Charity partnerships, mental health support and community investment.
Over 1,500 hours of structured training delivered in 2025. Mental Health First Aiders across the business. Proud charity partners of Heart of Kent Hospice and The Lighthouse Charity.
EV fleet transition, route optimisation and delivery consolidation.
95% UK coverage on our own fleet. 6,600 miles saved in car journey equivalent in 2025. Phased EV transition in progress, FORS accredited and CLOCS compliant.
Going beyond carbon credits and pledges, CMT Group actively contributes to UK biodiversity through our partnership with Tomorrow's Forests. Every year, this programme delivers verified, measurable outcomes, not just on paper, but in the ground.
Tree Trends Report 2026 - CMT Group
150
Trees planted
561m2
Nature restored
1,500kg
Carbon absorbed
2,300+
Species benefitting
Source: Tomorrow's Forests, Tree Trends personalised report, CMT Group, 2026
Our ThinkGreen range is CMT's dedicated collection of products selected for genuine environmental credentials. Every product is assessed for reduced packaging, recycled content, reusable design and lower-impact materials.
We are actively working with our supply chain to collect product-level carbon data, directly supporting your Scope 3 reporting requirements.
✓Products selected for reduced packaging, recycled content and reusability
✓Specialist eco cleaning supplies with lower fuel and transport impact
✓Enviropads and lower-impact material alternatives across core categories
✓EPR compliance mapping underway across high-volume product lines
✓SCSS Silver accredited for sustainable supply chain standards
✓Sedex member for ethical supply chain transparency
Sustainability is not only environmental. Our social value commitment covers our people, our industry partners and the communities we operate in, from mental health support on site to charitable giving and skills development.
1,500+
Hours of structured training delivered across the business in 2025
✓Mental Health First Aiders (MHFA) trained across the business
✓Twice-monthly toolbox talks covering safety, environment and wellbeing
✓Apprenticeship pathways and structured career progression
✓The 5% Club, committed to nurturing talent and career development
✓Disability Confident Committed employer
✓Armed Forces Covenant signatory
✓Charity partners: Heart of Kent Hospice and The Lighthouse Charity
Our delivery network covers 95% of the UK on our own fleet, giving us direct control over how goods move and how we reduce the environmental impact. We are transitioning our fleet, optimising routes and consolidating deliveries to cut emissions at every stage.
6,600 miles
Equivalent car journey distance saved through our environmental programme in 2025
✓Route optimisation through centralised planning systems
✓Delivery consolidation and depot trunking to reduce vehicle miles
✓EV fleet introduction with phased transition in progress
✓FORS accredited, fleet managed to recognised best practice
✓CLOCS compliant for safety and risk reduction across logistics
✓Live order tracking and What3Words precision delivery
Our digital tools do not just make procurement smarter. They make it measurably greener. SiteHive and EDGE give you the data to prove your environmental credentials on every project.
Pillar 5 - Digital
Technology that puts sustainability in your hands
While others report on sustainability annually, CMT gives your team live, real-time environmental data through two industry-leading platforms available nowhere else.
SiteHive - AI-powered automated site stores
The industry's first fully automated, 24/7 unstaffed site store. SiteHive uses AI cameras, scales and sensors. Operatives walk in, take what they need, and walk out. No scanning. No checkout. No delays.
Up to 72% CO2 reduction per project
✓24/7 secure access with no staff required on site
✓AI-powered tracking using cameras, scales and sensors
✓Full CO2 impact reporting per project
✓Zero carriage charge on replenishment orders
✓Available in Mini (20ft), Maxi (40ft) and Flexi custom configurations
✓Serving energy, infrastructure and construction sectors across the UK
"Initial data from our SiteHive use is more than promising. We are more than happy to recommend this brilliant idea for reaching sustainability goals on site."
EDGE gives procurement teams total visibility and control over site spending, ordering and environmental data, within a co-branded portal that integrates directly with your internal systems.
✓Site-specific contracts with budgets and approval workflows
✓Role-based user permissions for full spending control
✓Agreed pricing displayed with no disputes and no surprises
✓Punchout, EDI and API integrations with no duplicate data entry
✓Document Hub for invoices, PODs and returns, all searchable
✓ThinkGreen range accessible directly within the portal
✓Co-branded with your logo and brand colours
"The ease of use puts SiteHive above anything else in the market. As a buyer, I control access and for our guys on site to get what they need, it's a doddle."
Trusted by the UK's leading construction and infrastructure businesses
Our standards
Accreditations and certifications
Independently verified and continuously maintained. Our accreditations reflect our commitment to safety, sustainability, quality and compliance across every area of our business.
QMS ISO 14001:2015
Demonstrating our compliance with internationally recognised environmental management standards.
BSI ISO 9001:2015
Ensuring we meet internationally recognised standards for quality management.
CHAS Elite
Meeting the UK's highest standards in health, safety and risk management.
SCSS - Silver
Demonstrating our dedication to building knowledge, reducing environmental impact, and supporting a more sustainable supply chain.
Sedex Member
Enabling stronger, more sustainable supply chains through data, insights and collaboration.
FORS Gold
Assuring our fleet operations are managed to recognised best practices, prioritising safety, sustainability and reliability.
SSIP
Meeting the highest standards of health, safety and wellbeing in the workplace.
Network Rail Approved
Reflects our commitment to safety, compliance, and supporting the UK's rail infrastructure.
RISQS Verified
Displaying our commitment to excellence, safety and continuous improvement within the rail industry supply chain.
Achilles Building Confidence
Displaying commitment to a higher level of safety and risk management.
Avetta Member
Part of a global network of trusted suppliers, meeting rigorous standards in health, safety and sustainability.
BSIF Registered Safety Supplier
Supplying our customers with confidence that every product meets strict safety and compliance standards.
Crown Commercial Service Supplier
Enabling us to provide reliable, compliant and cost-effective solutions to government and public sector organisations.
Cyber Essentials
Giving customers confidence that we safeguard sensitive information with secure and compliant digital practices.
The 5% Club
Highlighting our dedication to nurture talent, support career development and driving long-term growth.
Disability Confident Committed
Demonstrating our commitment to fairness, inclusivity and ensuring everyone has the opportunity to succeed.
Armed Forces Covenant
We pledge to support members of the armed forces community, recognising the value they bring to our business and country.
See all our accreditations
We hold a comprehensive portfolio of certifications across safety, sustainability, quality and compliance.