Green Rock Energy Limited

What Green Rock Energy Limited does

Green Rock Energy Limited is a UK-based energy compliance consultancy headquartered in Southwick, Trowbridge, Wiltshire, providing accredited Energy Performance Certificates (EPCs), Display Energy Certificates (DECs), Energy Savings Opportunity Scheme (ESOS) assessments, Minimum Energy Efficiency Standards (MEES) advisory, TM44 air conditioning inspections, and Section 63 (Scotland) compliance services. The firm serves commercial property owners, landlords, real estate investment funds, large enterprises (250+ employees), and public sector organisations across England, Wales, and Scotland, with select customers including Savills, L&G Real Estate, and Clipstone Investment Management. Services are delivered by accredited assessors using certified calculation software with lodgement to government registers (National EPC Register, MESOS portal, Scottish EPC register), and every engagement is subject to a 100% internal QA audit branded as a 'Gold Plated' quality assurance process.

The company traces its origins to Bennett Associates Consulting Limited, founded in 1999 by Jaie Bennett as a financial auditing firm, before pivoting to building energy audits and being restructured as GreenRock Energy in 2006 to address gap s in the UK commercial market ahead of the European Energy Performance of Buildings Directive. Revenue is generated through project-based, quote-priced professional services fees determined by property size, location, and complexity, with no disclosed subscription or recurring revenue model. The go-to-market is sales-led and direct, with customers engaging via website quote forms and phone/email. The team is small (1-10 employees) with over 20 years of combined assess or experience and accreditations from CIBSE, Quidos, Elmhurst Energy, Achilles, and SafeContractor.

The firm is privately held, founder-controlled, with no external funding, no disclosed parent company, and no partnership or acquisition activity. Strategic positioning is built around regulatory expertise, internal QA rigor, and the ability to bundle the full suite of UK energy compliance services into a single client relationship. Recent activity includes the addition of an executive Managing Director, publication of MEES Update guidance for 2026, and the introduction of Improvement Modelling Reports as an add-on product, indicating measured operational scaling against tightening UK regulatory timelines (proposed EPC C by 2027, EPC B by 2030).

Name

Green Rock Energy Limited

Legal name

GreenRock Energy

Website

https://greenrockenergy.co.uk

Company type

Private

Founded year

1999

Operating status

Operating

Headcount range

1–10 employees

Short description

Green Rock Energy Limited is a UK-based accredited consultancy delivering commercial energy compliance services (EPCs, DECs, ESOS, MEES, TM44, Section 63) to commercial property owners, landlords, investment funds, and large enterprises across England, Wales, and Scotland.

Ownership category

akta.pro rank

Product category

Energy Compliance Services

akta.pro primary industry

HSE, Quality & Regulatory Compliance for Renewable Operations (Permits, Inspections, Reporting) (EUAMAGAL)

Keywords

• Energy performance certificates
• Display energy certificates
• MEES compliance
• ESOS assessments
• TM44 inspections

Headquarters

HQ city

Southwick, Trowbridge

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Energy Performance Certificates (EPCs): One-time assessment fees for commercial EPCs required for leases, sales, and purchases of commercial properties. Pricing based on property size, location, and complexity.
2. Display Energy Certificates (DECs): Assessment fees for DECs required for public buildings over 250m². Certificates valid for 1-10 years depending on building size.
3. ESOS Compliance Services: Mandatory energy assessment services for large organisations every four years. Includes energy audits, lead assessor appraisal, and action plan production.
4. MEES Compliance Advisory: Expert guidance on minimum energy efficiency standards compliance, including property assessments and exemption registration services.
5. TM44 Air Conditioning Inspections: Mandatory inspection services for air conditioning systems over 12kW, required every five years. Includes site inspection, report, and government register lodgement.
6. Section 63 Scotland Compliance: Action plan production and compliance services for Scottish commercial buildings over 1,000m² subject to sale or leasing.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

GreenRock Energy provides UK commercial energy compliance and assessment services, including Energy Performance Certificates (EPCs), Display Energy Certificates (DECs), ESOS energy audits, MEES compliance guidance, TM44 air conditioning inspections, and Section 63 (Scotland) assessments. Services are delivered by accredited assessors who conduct site visits, produce certification, lodge documents with government registers, and provide energy efficiency improvement recommendations for commercial property owners, landlords, large enterprises, and public sector organisations.

Product overview

GreenRock Energy offers a unified suite of commercial energy compliance services centred around Energy Performance Certificates (EPCs), Display Energy Certificates (DECs), and regulatory compliance solutions. The core product portfolio includes EPCs for commercial buildings, DECs for public buildings, ESOS (Energy Saving Opportunity Scheme) compliance assessments, MEES (Minimum Energy Efficiency Standards) compliance guidance, TM44 Air Conditioning Inspections, and Section 63 assessments for Scotland. These services are complemented by Improvement Modelling Reports that help clients understand energy efficiency enhancements and achieve compliance. The company, founded in 2006 and operating under a 'Gold Plated' service model with internal QA audits, serves commercial property portfolios across the UK with accredited assessors who handle the full certification process from assessment through to government register lodgement.

Differentiator

Problem solved

Functional benefit

Products and services

• Energy Performance Certificates (EPCs) Commercial Energy Performance Certificates that detail a building's energy efficiency rating from A+ to G, required for all leases, sales, and purchases of commercial property. The service includes a client quote, site visit, analysis, certificate provision, follow-up support, and evidence re-inspection, delivered by accredited assessors.
• Display Energy Certificates (DECs) Display Energy Certificates showing actual metered energy usage of public buildings over 250 m² frequently visited by the public, rated A to G. Includes Advisory Reports with practical recommendations for efficiency improvement, valid for 7 years.
• Energy Saving Opportunity Scheme (ESOS) Compliance Mandatory UK government compliance service requiring large organisations to measure total energy consumption and complete energy audits every four years. Includes Lead Assessor appraisal, energy saving opportunity identification, and annual progress updates, with fines up to £90,000 for non-compliance.
• Minimum Energy Efficiency Standards (MEES) Compliance Compliance guidance and assessment service ensuring commercial properties meet a minimum EPC rating of E before letting or continuing to let. Includes exemption advisory services for properties that cannot comply, with fines up to £150,000 for non-compliance.
• TM44 Air Conditioning Inspections Mandatory inspections of air conditioning systems over 12kW, including site inspection, efficiency review, and lodgement of reports on the official Government Register. Inspections are required every five years under CIBSE guidance.
• Section 63 (Scotland) Compliance Compliance service under the Climate Change (Scotland) Act 2009 for non-domestic buildings over 1,000 m² subject to sale or leasing. Includes Energy Performance Certificates and Section 63 Action Plans with targets for energy and carbon emission improvements.

Quantifiable outcome

• EPC turnaround within one week with certificates produced the following week
• +3 more outcomes

Named customers5 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Scale indicators4 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• WSP: Global engineering consultancy with a substantial UK building decarbonization and ESOS practice. Comparable in selling energy compliance and retrofit advisory to commercial real estate clients, but as part of a multi-discipline consultancy offering.
• Bureau Veritas: Global testing, inspection and certification (TIC) firm offering EPC, ESOS, MEES and broader energy compliance services in the UK. Comparable because it serves the same enterprise clients on UK building energy regulatory mandates, though as part of a much wider portfolio.
• Jones Lang LaSalle (JLL): Global real estate services firm with an energy and sustainability practice that delivers MEES, ESOS and EPC-related services to UK portfolios. Comparable on enterprise client overlap and compliance scope, but as one capability inside a broader property management and capital markets franchise.
• BRE Group: Building Research Establishment, a UK building science and certification body operating BREEAM, EPC software and energy performance services. Comparable on building energy performance and certification, but operates at a much broader research-and-standards scale.
• SGS: Global TIC group with UK energy assessment, verification and certification services. Comparable to GreenRock because it competes for ESOS, EPC and air-conditioning inspection work, but operates at vastly greater scale across multiple industries.
• AECOM: Global engineering and advisory firm with UK energy and sustainability services for real estate, including ESOS and MEES-related work. Comparable in serving the same enterprise client base for building energy compliance, though as one offering inside a far larger portfolio.

Direct peers

• Elmhurst Energy: UK accreditation body and software provider for domestic and commercial energy assessors. Comparable because it sits in the same EPC/Dec assessment ecosystem and is one of GreenRock's listed accreditation bodies, competing indirectly for assessor-led commercial work.
• Verco: UK-built-environment sustainability and carbon consultancy serving commercial real estate portfolios. Directly comparable in customer base (landlords, funds, property companies) and in providing ESOS and net-zero/retrofit advisory, but with a heavier consultancy model.
• Carbon Trust: UK-based advisory that helps organizations measure energy use, comply with ESOS and decarbonize estates. Directly comparable in target customer (large UK organizations) and ESOS/energy audit delivery, but with a stronger advisory/policy bent versus GreenRock's compliance focus.

Emerging players

• EVORA Global: Specialist sustainability consultancy focused on real estate investors and managers, providing GRESB, energy benchmarking and retrofit advisory. Comparable in targeting commercial real estate funds with ESG/energy compliance, but with a stronger data/benchmarking focus.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/bennettjc
• Facebookfacebook.com/greenrockenergy
• LinkedInlinkedin.com/company/green-rock-energy

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about Green Rock Energy Limited