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Verifying and3450_19-img-200x265-21 - - becky reviewing energy savings

To check that you have met your energy efficiency objectives, satisfied stakeholders and complied with legislation, The Green Consultancy can provide you with a range of valuable services.

Learn more about measuring and verifying energy savings

Put us to the test NOW!  To discuss your requirements please call John Treble on 01761 419081 or email John@GreenConsultancy.com

Our verification and review services

We offer a comprehensive range of services, including:

Savings verification

The systematic verification of energy savings resulting from the implementation of such opportunities is a crucial – but often neglected – activity. With our support, you can ensure savings verification of the highest standard. Read more…

Organisation-wide energy and carbon reduction standards3450_jt26-carbon-trust-standard - - becky

The Green Consultancy can help you to achieve and maintain one of these standards to demonstrate to stakeholders and your customers that you are successfully managing energy and reducing carbon emissions.

The most prominent of these are the Carbon Trust Standard and the British Standards Institute (BSI) Energy Reduction Verification (ERV) Kitemark.  The BSI ERV Kitemark is based on elements of ISO 50001, and it’s possible to apply for 3450_jt4-erv-kitemark - - beckyISO 50001 accreditation, the Kitemark – or both Read more...

The BSI Kitemark has global ‘superbrand status’ and ISO 50001 is the first international Energy Management Standard. The Green Consultancy is an Associate Consultancy of BSI - see below for more information.

Carbon Management Plan Review

The validity of carbon management plans is affected by a wide range of factors and should ideally be independently reviewed annually. Read more...

Metering, monitoring and control

This is crucial to your ability to accurately verify whether anticipated savings are being made. Read more…

Put us to the test NOW!  To discuss your requirements please call John Treble on 01761 419081 or email John@GreenConsultancy.com

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The Green Consultancy and International Performance Measurement and Verification Protocol (IPMVP)

The Green Consultancy is one of the very few UK energy consultancies to employ independent energy measurement and verification professionals, working to IPMVP which is the de facto global standard for the conduct of energy savings verification.

It is published by the Efficiency Valuation Organisation (EVO) and is designed to promote transparency, completeness, objectivity, and conservativeness.  The Association of Energy Engineers (AEE) and EVO award the CMVP® (Certified Measurement and Verification Professional) qualification to those who attend the training course, subsequently pass the examination, and remain active in the field of measurement and verification.


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The Green Consultancy and The British Standards Institute

The Green Consultancy is an associate consultancy of The British Standards Institute (BSI) and provides consultancy support, training and monitoring on all energy and environmental management system standards and all energy/carbon reduction standards – such as ISO 14001, BS8555, ISO 50001, BSI Energy Reduction Verification Kitemark and the Carbon Trust Standard.


TGC is the proud winner of the 2016 Interserve Supplier of the Year Award for Customer Focus.

Here is our consultant Andrew Burt at the award ceremony.

Award winner

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“What I really appreciated about working with The Green Consultancy is their uncompromising promotion of the highest standards of building design in conjunction with efficient mechanical systems and integrated renewable energy systems. I unreservedly recommend their services.”

Professor Susan Roaf AAdipl PhD ARB FRSA School of the Built Environment, Heriot-Watt University


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"John Treble, Founder and Client Services Director of The Green Consultancy, is a true expert on energy management and energy efficiency. He has a no-nonsense grasp on best practices. If you want independent expertise to sound out your energy efficiency plans then he’s well worth contacting."

Simon Brown, Managing Director, 2degrees Solutions


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“John Treble, Founder and Client Services Director of The Green Consultancy, puts clients at the forefront of all business decisions and is tenacious in ensuring that they get what they need. He is honest and straightforward with high and exacting standards.”

Heather Marchant, Former Account Team Leader, The Carbon Trust