in

101 Market Leading Energy Efficiency Companies and Startups in the UK

This post contains affiliate links. Affiliate disclosure: As an Amazon Associate, we may earn commissions from qualifying purchases from Amazon.com and other Amazon websites.

This article showcases some of the most popular players operating in the Energy Efficiency space. Our analysts selected these companies because they excel in one of the following categories:

  • Innovation
    • Innovative ideas
    • Innovative route to market
    • Innovative product
  • Growth
    • Exceptional growth
    • Exceptional growth strategy
  • Market Position
    • Market domination
    • Market leader
    • Strong market competitor

Data sourced from Crunchbase and SEMRush.

This list may include both state and private ventures providing the most value within the Energy Efficiency industry.

Table of Contents show

Top Energy Efficiency Companies


OVO Energy

OVO Energy is an independent energy technology company and supplier.

Crunchbase | Website | Twitter | Facebook | Linkedin


Look After My Bills

Look After My Bills is an auto-switching service platform.

Crunchbase | Website | Twitter | Facebook | Linkedin


Tonik Energy

Tonik is a renewable energy company that puts people in control of their energy generation, storage, and consumption.

Crunchbase | Website | Twitter | Facebook | Linkedin


Hometree

Hometree is a UK based Smart Home Services company, offering homeowners unparalleled peace of mind & control in the running of their home.

Crunchbase | Website | Twitter | Facebook | Linkedin


Budget Energy

Budget Energy is a local energy provider, supplying thousands of homes, farms, and businesses across Northern Ireland.

Crunchbase | Website | Twitter | Facebook | Linkedin


Bodycote

Bodycote is an engineering company that specializes in thermal processing services with 180 locations in 23 countries.

Crunchbase | Website | Twitter | Facebook | Linkedin


Telensa

Telensa makes wireless smart city control systems, including the worlds most deployed smart streetlight solution.

Crunchbase | Website | Twitter | Facebook | Linkedin


First Utility

First Utility is an independent energy supplier in the UK which helps customers save money on their energy bills.

Crunchbase | Website | Twitter | Facebook | Linkedin


Green

Green is a digital energy buying and managing platform.

Crunchbase | Website | Twitter | Facebook | Linkedin


Energenie

Energenie have an extensive whole house automation system which enables the control and monitoring of Lighting, Mains and Heating

Crunchbase | Website | Twitter | Facebook | Linkedin


Bill Switchers

Switch Your Energy Deals & Save Upto 40% Compare Your Current Deal & Get Guaranteed Savings We have more than 350 energy deals in your area.

Crunchbase | Website | Twitter | Facebook | Linkedin


Gazprom Global Energy Solutions

Gazprom Global Energy Solutions provides managed meter reading services.

Crunchbase | Website | Twitter | Facebook | Linkedin


Herschel Infrared

Herschel Infrared is a renewables energy and environment consulting company located in Bristol.

Crunchbase | Website | Twitter | Facebook | Linkedin


Lightsource Renewable Energy

Lightsource is a provider of ground and rooftop solar installations in the UK.

Crunchbase | Website | Twitter | Facebook | Linkedin


Flexitricity

Flexitricity is the demand response pioneer. Our innovations have shaped demand-side flexibility since 2004.

Crunchbase | Website | Twitter | Facebook | Linkedin


Limejump

Limejump is a Technology-Driven Utility: harnessing the power of big data to positively disrupt and transform today’s energy market.

Crunchbase | Website | Twitter | Facebook | Linkedin


Piovan

Piovan supplies storage, drying, conveying and blending equipment for plastic granules.

Crunchbase | Website | Twitter | Facebook | Linkedin


Carbon Trust

Carbon Trust is to accelerate the move to a low carbon economy, by working with organisations to reduce carbon emissions now and develop.

Crunchbase | Website | Twitter | Facebook | Linkedin


The Oil Market Journal

The Oil Market Journal provides oil and energy product.

Crunchbase | Website | Twitter | Facebook | Linkedin


Energy Assets

Energy Assets is one of the UK’s leading and fastest growing independent metering business.

Crunchbase | Website | Twitter | Facebook | Linkedin


Faraday Institution

Faraday Institution is an independent institute for electrochemical energy storage research and skills development.

Crunchbase | Website | Twitter | Facebook | Linkedin


EcoPowerSupplies.com

EcoPowerSupplies is a data centre and telecoms industrial company.

Crunchbase | Website | Twitter | Facebook | Linkedin


Yorkshire Energy Services

YES Energy Solutions specialises in helping local authorities, housing associations and businesses implement carbon reduction programmes.

Crunchbase | Website | Twitter | Facebook | Linkedin


Energy 4 Impact

A non-profit organisation working with local businesses to extend access to energy in Africa.

Crunchbase | Website | Twitter | Facebook | Linkedin


Genius Hub

Genius Hub is a clever little device that will take over the running of your heating at home.

Crunchbase | Website | Twitter | Facebook | Linkedin


The Parkmead Group

Parkmead is seeking to continue the significant progress the Company has already made towards building an independent oil and gas company

Crunchbase | Website | Twitter | Facebook | Linkedin


Nuclear Industry Association

Nuclear Industry Association (NIA) is the trade association for the civil nuclear industry in the UK.

Crunchbase | Website | Twitter | Facebook | Linkedin


Nexus Energy Solutions

Nexus Energy Solutions is provide energy efficiency services for residential and commercial properties all over the UK.

Crunchbase | Website | Twitter | Facebook | Linkedin


Dyson Energy Services

Dyson Energy Services specializes in installation, maintenance and replace energy solutions and services to homes and businesses.

Crunchbase | Website | Twitter | Facebook | Linkedin


Ignis Energy

Ignis Energy specializes in the generation of renewable energy from sustainable sourced timber.

Crunchbase | Website | Twitter | Facebook | Linkedin


Responsible Power

Responsible Power provides energy efficiency solutions for businesses.

Crunchbase | Website | Twitter | Facebook | Linkedin


Sabien Technology Group

Sabien provides the UK’s leading boiler energy efficiency technology.

Crunchbase | Website | Twitter | Facebook | Linkedin


Best.Energy

We are beating Climate Change through Energy Efficiency, harnessing Energy Monitoring and the power of IoT.

Crunchbase | Website | Twitter | Facebook | Linkedin


Hydrogen Hub

Hydrogen Hub offers a unique opportunity to secure a clean, cost effective energy source for power, heat and transport.

Crunchbase | Website | Twitter | Facebook | Linkedin


Go Greena

Go Greena is a UK group working to provide energy saving solutions to its customers.

Crunchbase | Website | Twitter | Facebook | Linkedin


Pocketworks Mobile

Creates software platforms for manufacturers, driver fleets & startups. We combine mobile apps, IoT & cloud to create digital products.

Crunchbase | Website | Twitter | Facebook | Linkedin


Switchee

Switchee offers a smart thermostat designed to help affordable housing providers fight fuel poverty.

Crunchbase | Website | Twitter | Facebook | Linkedin


Nova Innovation

Nova Innovation is an energy company that designs, builds, operates tidal energy devices, and develops sites for arrays of tidal turbines.

Crunchbase | Website | Twitter | Facebook | Linkedin


First Light Fusion

First Light Fusion Ltd was spun out from the University of Oxford in July 2011.

Crunchbase | Website | Twitter | Facebook | Linkedin


Current2Current Ltd

Current2Current Ltd is an energy company that has developed a revolutionary Tidal Energy Converter known as the ‘PowerGill’.

Crunchbase | Website | Twitter | Facebook | Linkedin


Youreko

Youreko is energy information site that displays the energy efficiency of electronic products.

Crunchbase | Website | Twitter | Facebook | Linkedin


BIPVCo

BIPVCo is a manufacturer of innovative edge building integrated photovoltaic systems using thin film photovoltaic cells.

Crunchbase | Website | Twitter | Facebook | Linkedin


Scotvalve Services

Scotvalve Services providers of specialist refurbishment and recertification services to the energy industry.

Crunchbase | Website | Twitter | Facebook | Linkedin


Earth Capital

EC is a global private equity investment manager totally focused on Sustainable Development within the climate change nexus.

Crunchbase | Website | Twitter | Facebook | Linkedin


Geothermal Engineering

Geothermal Engineering is engaged in the development of deep geothermal heat and power projects.

Crunchbase | Website | Twitter | Facebook | Linkedin


UK Power Reserve

UK Power Reserve is a leading developer, owner and operator of smart, flexible power generation assets.

Crunchbase | Website | Twitter | Facebook | Linkedin


Ceravision

Ceravision is a UK based company that has invented and patented a revolutionary lighting technology.

Crunchbase | Website | Twitter | Facebook | Linkedin


Elgin Energy

Elgin Energy is an international and independent solar development platform.

Crunchbase | Website | Twitter | Facebook | Linkedin


Airex

Airex is a smart ventilation control that builds intelligent air ventilation units using atmospheric sensors and cloud algorithms.

Crunchbase | Website | Twitter | Facebook | Linkedin


Nexsan

Nexsan provides energy efficient disk-based storage systems designed for storing and archiving information.

Crunchbase | Website | Twitter | Facebook | Linkedin


Quensus

Water management system to monitor and control water infrastructure

Crunchbase | Website | Twitter | Facebook | Linkedin


The Green Consultancy

The Green Consultancy is an energy consultancy company in Radstock.

Crunchbase | Website | Twitter | Facebook | Linkedin


Moltex Energy

Moltex Energy is developing a next generation nuclear reactor that can produce clean electricity

Crunchbase | Website | Twitter | Facebook | Linkedin


Impact Oil & Gas Ltd

Impact Oil & Gas aims to become a leading oil and gas exploration company.

Crunchbase | Website | Twitter | Facebook | Linkedin


Silicon MicroGravity

Silicon MicroGravity is a company developing novel sensor technology.

Crunchbase | Website | Twitter | Facebook | Linkedin


Vestemi

Vestemi is a new technology product company with a social purpose.

Crunchbase | Website | Twitter | Facebook | Linkedin


Upside Energy

Upside Energy reduces greenhouse gases by enabling people to make smart choices about when to use energy.

Crunchbase | Website | Twitter | Facebook | Linkedin


Addionics

Addionics is creating next-generation batteries through intelligent 3D battery architecture and engineering.

Crunchbase | Website | Twitter | Facebook | Linkedin


Iceotope

Iceotope provides reliable, energy efficient liquid cooling solutions for electronics to deliver a sustainable environment.

Crunchbase | Website | Twitter | Facebook | Linkedin


Advizzo

We combine methods from behavioural and data science to deliver a customer engagement software for all utilities.

Crunchbase | Website | Twitter | Facebook | Linkedin


Mytrah Energy

Mytrah Energy (India) Limited (MEIL), a wholly owned subsidiary of Guernsey based and AIM/LSE listed MEL in India,

Crunchbase | Website | Twitter | Facebook | Linkedin


Metis Labs

Intelligent software, improving the performance of manufacturing processes.

Crunchbase | Website | Twitter | Facebook | Linkedin


Ovon Home

We create stylish home automation, IoT devices that save energy and improve comfort. Globally active through Ovon Home and Ovon Technology.

Crunchbase | Website | Twitter | Facebook | Linkedin


Quimera Energy Efficiency

Energy Efficiency, ESCO, Energy Saving, Energy Service

Crunchbase | Website | Twitter | Facebook | Linkedin


3POWER ENERGY GROUP

3Power Energy Group is a sustainable energy producer focused on providing global wind, solar and hydro solutions.

Crunchbase | Website | Twitter | Facebook | Linkedin


Mobile Power Ltd

Mobile Power provides clean, affordable energy to the off-grid market in Africa.

Crunchbase | Website | Twitter | Facebook | Linkedin


Enecsys

Enecsys manufactures grid-connected solar micro inverters and monitoring systems that offer a value proposition for solar PV systems.

Crunchbase | Website | Twitter | Facebook | Linkedin


Demand Logic

Demand Logic is an online energy efficiency system that analyzes data from building management systems.

Crunchbase | Website | Twitter | Facebook | Linkedin


Frontrow Energy Technology

Frontrow Energy Technology Group to support the company’s growth plans

Crunchbase | Website | Twitter | Facebook | Linkedin


Utility Funding

Utility Funding owns and manages smart electricity, gas and water meters used by energy suppliers and consumers in the UK.

Crunchbase | Website | Twitter | Facebook | Linkedin


PowerOasis

The PowerOasis Energy Management Platform enables licensees to deliver bespoke energy solutions to their customers and enter new markets

Crunchbase | Website | Twitter | Facebook | Linkedin


Wisestate

Building Automation and Intelligence Solutions

Crunchbase | Website | Twitter | Facebook | Linkedin


CamSemi

CamSemi is a fabless company designing and manufacturing energy-efficient power conversion products.

Crunchbase | Website | Twitter | Facebook | Linkedin


Amber Energy

AMBER is a for profit cooperative with the goal of growing community based green energy generation in Ontario by engaging residents.

Crunchbase | Website | Twitter | Facebook | Linkedin


Tyseley Energy Park

Tyseley Energy Park develops an Energy Innovation Zone (EIZ) for Tyseley and Birmingham.

Crunchbase | Website | Twitter | Facebook | Linkedin


GridDuck

GridDuck is a cloud-based hardware, dashboard & API enabling control of your clients’ energy

Crunchbase | Website | Twitter | Facebook | Linkedin


40South Energy

40South Energy we have the expertise to turn ocean wave energy into useful work.

Crunchbase | Website | Twitter | Facebook | Linkedin


Kiwi Power

Kiwi Power is a leading global energy technology company that is simplifying distributed energy.

Crunchbase | Website | Twitter | Facebook | Linkedin


CRESS Systems

CRESS Systems is engaged in the development of cost saving energy storage systems for industrial applications.

Crunchbase | Website | Twitter | Facebook | Linkedin


Brighter World Energy

Brighter World Energy, a new socially conscious energy company

Crunchbase | Website | Twitter | Facebook | Linkedin


Vickers Electronics

Vickers Electronics is focused on designing, installing and maintaining temperature regulating systems in large commercial premises.

Crunchbase | Website | Twitter | Facebook | Linkedin


Trident Energy

Trident Energy is an independent developer of enabling technology for the offshore renewables industry.

Crunchbase | Website | Twitter | Facebook | Linkedin


The Crowd

The Crowd is a platform for the business community to share ideas and innovations.

Crunchbase | Website | Twitter | Facebook | Linkedin


renooble

renooble uses satellite, climate, and psychographic data to find people who will benefit the most from distributed energy generation.

Crunchbase | Website | Twitter | Facebook | Linkedin


Ardenham Energy

Ardenham Energy specialises in renewable energy installations, focusing on the installation of heat pumps, wind turbines and solar thermal .

Crunchbase | Website | Twitter | Facebook | Linkedin


Signol

Signol develops software which focuses on fuel efficiency by analysing operational data.

Crunchbase | Website | Twitter | Facebook | Linkedin


Teknisolar Ltd

Teknisolar designs, manufactures and commercializes high quality and high performance photovoltaic laminators.

Crunchbase | Website | Twitter | Facebook | Linkedin


Recyclan

Tech Enabled Plastic Recycling Company

Crunchbase | Website | Twitter | Facebook | Linkedin


Anesco

Anesco provides energy services for businesses and homeowners to reduce carbon emissions.

Crunchbase | Website | Twitter | Facebook | Linkedin


hiber

Home energy product installation startup

Crunchbase | Website | Twitter | Facebook | Linkedin


EnergyWiser

Their customers save £324/yr on their energy bills

Crunchbase | Website | Twitter | Facebook | Linkedin


Surple

Surple builds software to help organisations optimise their energy use.

Crunchbase | Website | Twitter | Facebook | Linkedin


ThermCERT

ThermCERT is a thermal and carbon efficiency reporting tool that uses space-derived data to enhance the quality of thermal investments.

Crunchbase | Website | Twitter | Facebook | Linkedin


Alpheon-Energie

Alpheon is a Zutphen-based energy company that provides advisory and consulting services on how to lower energy costs.

Crunchbase | Website | Twitter | Facebook | Linkedin


Blue Ocean Seismic Services

Blue Ocean Seismic Services specializes in low cost and reduced carbon emission ocean bottom seismic acquisition.

Crunchbase | Website | Twitter | Facebook | Linkedin


Hark.

Hark’s Platform allows users to Monitor, Store and Analyse sensor data in real-time for predictive maintenance, estate management and more.

Crunchbase | Website | Twitter | Facebook | Linkedin


Blue Diamond Technologies

Blue Diamond Technologies generates renewable energy and extracts optimal value from existing waste streams.

Crunchbase | Website | Twitter | Facebook | Linkedin


DAJIE Ltd

Distributed Autonomous Joint Internet and Energy

Crunchbase | Website | Twitter | Facebook | Linkedin


nCubeHome

nCube is a Smart Home hub and app that integrates many smart devices together into one unified experience.

Crunchbase | Website | Twitter | Facebook | Linkedin


E-Gistics

E-Gistics is an international logistics firm with a specialty focusing in the online retail sector.

Crunchbase | Website | Twitter | Facebook | Linkedin


JFS Howla Hay Biogas

Howla Hay Farm is a 200 acre site, situated near to Guisborough

Crunchbase | Website | Twitter | Facebook | Linkedin


Utility Stream

Utility Stream offers gas, electricity and water procurement and technology services.

Crunchbase | Website | Twitter | Facebook | Linkedin


8 Best & Fastest Growing Biofuel Companies and Startups in the UK

49 Top Sharing Economy Companies and Startups in the UK