What Zenergi does

Zenergi is a UK-based energy management consultancy founded in 2003 and operating under Zenergi Group Limited, headquartered at the University of Southampton Science Park in Chilworth. The company serves organisations across multiple UK sectors — manufacturing, commercial, local authorities, healthcare, real estate, and both state and independent education — providing energy procurement, bill validation, regulatory compliance (ESOS, SECR, MEES, TM44, EPCs, DECs, CBAM), energy efficiency delivery, and decarbonisation advisory. Zenergi positions itself as an outsourced energy partner combining engineering, utilities, data, and environmental consulting expertise with proprietary technology including the Zenergi Portal (24/7 consumption data access), the Carbon Accounting Platform (Scope 1/2/3 tracking), and a Bill Validation Engine.

The business generates revenue through three primary streams: professional services fees for consultancy and compliance work, transaction/commission fees from utility procurement (energy, water, telecoms), and recurring revenue from packaged multi-year compliance subscriptions (typically four-year terms) such as the ESOS Compliance & Efficiency Pack, School & Trust Compliance Pack, and Commercial Property Compliance Pack. Pricing is quote-based, with bundling discounts of up to 20% when clients combine complementary services. Go-to-market is direct enterprise field sales with regional representatives covering the UK, complemented by an inside-sales motion for mid-market customers and a self-service portal for existing clients. Zenergi holds a channel partnership with PR Associates covering 100+ schools, and a 2026 strategic partnership with Climatise extends the offering into climate-action planning.

Documented customer outcomes span FTSE 250 manufacturers (£4.1m ESOS savings), global renewable energy leaders (£5m savings), local authorities (26% energy savings potential), financial institutions (£94,955 annual savings), and multi-academy trusts (£500,000+ savings over 10+ years). The company operates four UK offices (Southampton, Gloucester, Brierley Hill, Falkirk), reports 11-50 employees, has six distinct corporate entities within the Zenergi Group (including Zenergi Limited and Briar Holdings/Briar Consulting Engineers Ltd), received funding from Meridian Growth Capital in 2013, and acquired Powerful Allies in June 2022. A new COO, Leanne Cinderby, was appointed in May 2026.

Name

Zenergi

Legal name

Zenergi Group Limited

Website

https://zenergi.co.uk

Company type

Private

Founded year

2003

Operating status

Operating

Headcount range

11–50 employees

Short description

Zenergi is a UK-based energy management consultancy founded in 2003 that provides energy procurement, bill validation, regulatory compliance, energy efficiency delivery, and decarbonisation services to manufacturing, local authority, commercial, healthcare, real estate, and education clients across England, Scotland, and Wales.

Ownership category

akta.pro rank

Product category

Energy Management Consultancy

NAICS

Professional, Scientific, and Technical Services (54), Professional, Scientific, and Technical Services (541)

SIC

Services-Management Services (8741), Services-Engineering, Accounting, Research, Management (8700)

akta.pro primary industry

Sustainability, ESG & Climate Risk Advisory (BPAHAJAH)

akta.pro secondary industries

Regulatory & Disclosure Strategy (CSRD/ESRS, ISSB/IFRS S2, SEC, TCFD) (EUABAKAH), Scope 1–3 GHG Inventory Strategy, Data Governance & Controls (advisory) (EUABAKAD), Sector-Specific Net-Zero Pathways & Benchmarking (hard-to-abate methodologies) (EUABAKAI)

Keywords

• Energy management consultancy
• Utility procurement services
• Carbon compliance reporting
• Energy efficiency solutions
• Net zero consulting

Headquarters

HQ city

Chilworth

HQ country

United Kingdom

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Energy Consultancy Services: Zenergi provides comprehensive energy management consulting including compliance, procurement, and decarbonisation services. Revenue is generated through professional service fees, typically structured as ongoing retainer or project-based engagements.
2. Utility Procurement: The company acts as an intermediary for energy and water procurement, earning fees or commissions from suppliers for negotiated contracts. This includes securing competitive pricing and favourable contract terms on behalf of clients.
3. Packaged Service Subscriptions: Bundled service packages (ESOS Compliance & Efficiency Pack, Commercial Property Compliance Pack, School & Trust Compliance Pack) delivered as multi-year engagements, typically 4-year terms for compliance packs.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Zenergi is a UK-based energy consultancy that delivers energy management, utility procurement, regulatory compliance and decarbonisation services to organisations. Its offering is organised around four service pillars — Comply (regulatory compliance such as ESOS, SECR, MEES, EPCs, DECs, TM44, CBAM), Deliver (energy efficiency audits, heat decarbonisation plans, solar PV, LED lighting, EV charging, building optimisation, M&E design), Buy (energy, water and telecoms procurement with bill validation and the Zenergi Portal), and Net Zero (carbon footprint measurement, carbon accounting, climate action plans, accreditation support). Services are also sold as bundled multi-year packs (e.g., ESOS Compliance & Efficiency Pack, School & Trust Compliance Pack) covering education, local authorities, manufacturing, real estate, healthcare and commercial sectors.

Product overview

Zenergi offers an integrated suite of energy management, compliance, and sustainability services structured around four core pillars (Comply, Deliver, Buy, Net Zero) plus bundled Product Packs. The Comply pillar covers regulatory compliance services including Display Energy Certificates, ESOS, SECR, MEES, TM44 inspections, EPCs, and CBAM. The Deliver pillar provides energy efficiency solutions such as Energy Audits, Heat Decarbonisation Plans, Solar PV, LED Lighting, Building Optimisation Surveys, Power Purchase Agreements, Heat-as-a-Service, and government grant support (PSDS, LCSF). The Buy pillar manages utility procurement including Energy Procurement, Water Procurement, Bill Validation, the Zenergi Portal, and Telecoms. The Net Zero pillar offers decarbonisation support through Carbon Footprint Measurement, Carbon Accounting Platform, Net Zero Pathway, Carbon Reduction Plans, Climate Action Plans, and Accreditation Services. Product Packs bundle complementary services at discounted rates including the ESOS Compliance & Efficiency Pack, Commercial Property Compliance Pack, School & Trust Compliance Pack, Energy Insight Pack, and Independent Schools Stewardship Pack, collectively offering savings of up to 20% when combining services.

Differentiator

Problem solved

Functional benefit

Products and services

• Zenergi Comply
• Zenergi Deliver
• Zenergi Buy
• Zenergi Net Zero
• Energy Performance Certificates (EPCs)
• Display Energy Certificates (DECs)
• Energy Savings Opportunity Scheme (ESOS)
• Streamlined Energy and Carbon Reporting (SECR)
• Minimum Energy Efficiency Standards (MEES)
• TM44 Air Conditioning Inspections
• Carbon Border Adjustment Mechanism (CBAM)
• Energy Audits
• Heat Decarbonisation Plans
• Solar PV Solutions
• LED Lighting Solutions
• Power Purchase Agreements (PPAs)
• Heat-as-a-Service
• Energy Procurement
• Water Procurement
• Bill Validation
• Telecoms
• Zenergi Portal
• Carbon Footprint Measurement
• Carbon Accounting Platform
• Net Zero Pathway
• Climate Action Plans
• ESOS Compliance & Efficiency Pack
• School & Trust Compliance Pack
• Commercial Property Compliance Pack
• Energy Insight Pack
• Independent Schools Stewardship Pack

Quantifiable outcome

• Up to 20% savings when combining complementary services
• +4 more outcomes

Named customers10 records

Segments7 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Two partnerships are on record, tiered core and minor.

• ClimatisecoreStrategic or Co-development Partner · 28 April 2026Partnership with Climatise delivers transformational results in just three months, combining expertise in climate action planning and energy management to accelerate decarbonisation for shared clients.
• PR AssociatesminorChannel Partner/ Reseller/ DistributorPartnership with PR Associates to drive compliance and energy efficiency in schools, helping over 100 schools maintain confidence in compliance while optimising efficiency.

Scale indicators8 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• ENGIE Impact: ENGIE Impact is the advisory arm of global utility ENGIE, providing energy and sustainability strategy services to enterprises — a broader incumbent with overlapping capability in procurement and decarbonisation advisory.
• SSE Energy Solutions: SSE Energy Solutions is the enterprise arm of UK utility SSE, offering energy management, decarbonisation and on-site generation services — a broad incumbent with overlapping advisory and compliance capabilities.
• Drax: Drax operates alongside its energy services arm providing corporate energy management and decarbonisation advisory, including biomass PPA-related services — a broader incumbent touching Zenergi's procurement and PPA offerings.
• Centrica Business Solutions: Centrica Business Solutions leverages British Gas's scale to offer energy management, procurement and decarbonisation services to commercial and public-sector clients — a large incumbent competing across Zenergi's full stack.

Direct peers

• EcoAct: EcoAct is an international climate strategy and carbon advisory firm providing carbon accounting, net-zero pathways and offsetting strategy — competing with Zenergi's Net Zero pillar for corporate and public-sector clients.
• Carbon Trust: The Carbon Trust is a UK-based sustainability and climate advisory organisation providing carbon footprinting, net-zero strategy and certification — directly comparable on the ESG/net-zero advisory side of Zenergi's business.
• Inspired Energy: Inspired Energy is an AIM-listed UK energy and sustainability consultancy providing procurement, bill validation, compliance and carbon services to corporates and public sector — a close comparable in size, scope and customer profile.
• Utility Aid: Utility Aid is a UK energy consultancy focused on the charity, education and not-for-profit sectors, offering procurement, bill validation and compliance support — overlapping directly with Zenergi's education vertical.
• Inenco: Inenco is a leading UK energy management consultancy offering procurement, compliance (ESOS, SECR, CCA), and net-zero advisory to mid-market and enterprise customers — directly competing with Zenergi across all four service pillars.

Emerging players

• Econ Energy: Econ Energy is a smaller UK energy management consultancy serving SMEs and mid-market clients with procurement, bill validation and compliance services — an emerging niche player competing in adjacent customer segments.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/zenergi
• Facebookfacebook.com/Zenergi

Revenue estimate

Valuation estimate

Number of profiles

Profiles13 records

Subsidiaries2 records

Funding overview

Funding rounds1 record

Investors1 record

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

M&A1 record

Investments

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

Frequently asked questions about Zenergi