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About us

About us

Experts in Health & Safety, Principal Design and Compliance

We are a consultancy dedicated to health, safety and compliance within the construction industry. We work in partnership with housing associations, local authorities and major contractors, providing expert guidance on CDM regulations, Principal Design and SSIP accreditation. Known for our commitment to high standards, Green Hat helps partners create safe, compliant projects while supporting efficiency and best practice.

2013

Founding

Green Hat Consulting was established with a vision to improve efficiency and sustainability in the construction sector. Its early services focused on Health and Safety for construction firms.

2013

2016

CDM implementation

Developed systems for CDM 2015 compliance, enabling clients to produce accurate, timely documentation for Health and Safety.

2016

2018

Expansion to SSIP certifications

Green Hat Consulting has years of experience helping businesses achieve and maintain SSIP certification. Whether it’s CHAS, SMAS, or SafeContractor, we’ll guide you every step of the way.

With a clear understanding of the process, we’ll ensure you succeed the first time, saving you time and resources.

2018

2023

BR implementation

Developed systems for Building Regulations compliance following the 2022 Building Safety Act enabling clients to ensure Building Regulations compliance on their projects.

2023

Today...

Current focus

Green Hat now offers multidisciplinary consultancy, specialising in sustainable and safety-focused solutions for Housing Associations, Local Authorities, and large contractors, while maintaining a commitment to long-term partnerships.

Today...

“Why the Green Hat?” you might be wondering

Dr Edward de Bono invented the model of six coloured hats to represent aspects of creative thinking and problem solving using different points of view.

The Green Hat symbolises creative thinking where ideas are abundant. We encourage new and innovative thinking and solutions.
Hence the Green Hat.

Simply put – we love to solve problems and come up with new ideas to save our customers time, money and energy.

Our Values

We put people first in everything we do—on our projects, in our office, and in life.
People First
We do what we say we’ll do. This builds deep, lasting relationships based on mutual trust.
Dependable
We constantly seek new approaches to influence and benefit people.
Creative
When we commit to something, we give it everything. We’re driven, thorough, and excited by what we do.
Passionate
We do what’s needed to make a positive difference. Enough is never enough.
Impactful
We show care for everyone we impact—including people we may never meet.
Caring

Meet the Green Hat team...

Let us introduce you to the Green Hat team.

Andrew – Strategic Managing Director at Green Hat Consulting
Andrew Warring
Managing Director
Jo Warring
Director
Dan Gilbert – Technical Director at Green Hat Consulting
Dan Gilbert
Technical Director
Koran Thomas
Associate Director – Finance
Nathan Gough – Associate Director of Operations at Green Hat Consulting
Nathan Gough
Associate Director – Operations
Adele John – Senior CDM Consultant at Green Hat Consulting
Adele John
Senior CDM Consultant
James Gregory
CDM Consultant
Tom Thiele – Building Regulations Principal Designer at Green Hat
Tom Thiele
Building Regulations Principal Designer
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Clients

We save you time, money and resources

Our services aim to save your business time, money, and resources, allowing you to focus on your core activities and drive profits.

Listening

Acting on client feedback.

Utilising the latest technology

Helping you save time, money and resources.

Proven track record

To construct excellent buildings that will leave a lasting legacy to communities.

Sustainable operations

Staying in the game is the focus — not outdoing the ‘competition’.

Proud to be working with

Kier
Prifysgol Abertawe - Swansea University

Supporting the construction industry

“Your expertise in delivering Principal Designer Services and guiding our teams through the BSA and the complex, evolving gateway regime is greatly appreciated.”
Adam Ball
Quality Director, Bouygues
“Sharpfibre works closely with GreenHat to manage health and safety across multiple projects, both as a subcontractor and Principal Contractor. Their support makes the process seamless, from documentation and site setup through to ongoing compliance.
Stuart provides consistent, hands‑on site support, backed by clear and detailed reports that help drive continuous improvement. His approachable yet highly effective style makes GreenHat a reliable, professional, and proactive partner we would highly recommend.”
Russell Coopey
Regional Director, Sharpfibre
“Bouygues UK have liaised with Green Hat for a few years now and they have been a very supportive entity. We have appointed them on several of our current projects as Principal Design advisor to assist with the submission of the Gateways, providing awareness and guidance for the design team on requirements of the BSR and coordinating the relevant information. Dan and his team are always just a phone call away to answer any queries and assist where they can.”
Stephanie De Castillo
Design Manager, Bouygues
“Green hat, have supported us as a business over the previous 12 months, by undertaking independent site safety inspections, and updating our workforce on the incoming Building Safety Act requirements. It’s been a positive experience, and I look forward to maintaining a positive working relationship with them.”
David Williams
Health, Safety & Environmental Director, CMB Engineering
“As our business has grown, Green Hat Consulting have been a trusted Health & Safety partner. They help us produce practical, site‑specific RAMS and Construction Phase Plans, provide clear and constructive audits, and are always accessible for advice and CDM support.

They feel like an extension of our team, strengthening our systems, improving our safety culture, and helping us maintain high standards as we continue to grow. We would confidently recommend their services.”
Jonathan Picton
Operations Director, Sealability
““The Green Hat Consulting team have worked many times for John Weaver Contractors and I have always found them to be very approachable, innovative and professional with their approach to all appointed duties. They have never failed to deliver upon our expectations and I will have no hesitation in appointing them to assist with our business needs in the future, their can-do attitude is a credit to the industry.””
Terry Edwards
Managing Director, John Weaver Contractors
“In our business compliance is king. Compliance is becoming more onerous and complex as time goes on. We chose to partner with Green Hat Consulting for our business compliance requirements. This has freed up considerable time and resources for us. From basic management systems to ISO Standards, Audits and Inspections – they had a suite of compliance services for us to choose from.”
Marc Gunter
Managing Director, Blues Electrical
““ Appointing Green Hat as our Principal Designer early in the RIBA stage process allowed all stakeholders to be on the same page. No one can say they were ‘unaware’. There are inevitably changes in design that occur in a project. Early PD appointment provides flexibility for changes but not at the cost of delays or unforeseen problems along the line.””
Andrew Davies
Project Manager, Lovell
““Clear communication to all stakeholders from architects and designers to specifiers and engineers is key to a successful project. Noticing potential improvements in proposed designs and the actual building work is key to delivering a project on time and on budget. It is so refreshing to work with a professional design team who share these values.””
Steve Knapton
Project Manager - Ty Hafan
““I strive for excellence in my own building and design business and have been delighted in our partnership with Green Hat Consulting who reflect the same excellent standards. They are constantly trying to raise the bar in health and safety compliance.””
Russell Everett
Managing Director, Excel Homes
““Working with Green Hat has given us enhanced status in our bids and tenders and has allowed us to now work with Tier one providers. We now a first class compliance regime to match the rest of our business.””
Jason Quinn
Managing Director, AMROC Heating Services
“”Andrew and the team are experts in their field and so easy to work with. Our retainer agreement means we have all our compliance needs met with one monthly payment.””
Mathew Pritchard
Managing Director, Evan Pritchard Contractors

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Bankside Residences

Read case study

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