in

101 Most Innovative United Kingdom Based Energy Efficiency Companies & Startups

Navigate the Article show

This article showcases our top picks for the best United Kingdom based Energy Efficiency companies. These startups and companies are taking a variety of approaches to innovating the Energy Efficiency industry, but are all exceptional companies well worth a follow.

We tried to pick companies across the size spectrum from cutting edge startups to established brands.

We selected these startups and companies for exceptional performance in one of these categories:

  • Innovation
    • Innovative ideas
    • Innovative route to market
    • Innovative product
  • Growth
    • Exceptional growth
    • Exceptional growth strategy
  • Management
  • Societal impact

Top United Kingdom Energy Efficiency Startups

Data sourced from Crunchbase and SemRush.

Octopus Energy

Octopus Energy

Crunchbase Website Twitter Facebook Linkedin

Octopus Energy builds technology that reduces the cost of energy to improve customer experience.

Arloid Automation

Arloid Automation

Crunchbase Website Twitter Facebook Linkedin

The ultimate AI solution for energy efficiency

Arloid Automation

OVO Energy

Crunchbase Website Twitter Facebook Linkedin

OVO Energy is an independent energy technology company and supplier.

Arloid Automation

Lightsource Renewable Energy

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Addionics

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Hometree

Crunchbase Website Twitter Facebook Linkedin

Hometree exists to make home ownership simple & sustainable

Arloid Automation

Carbon Trust

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Limejump

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

First Light Fusion

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Switchee

Crunchbase Website Twitter Facebook Linkedin

Data analytics and IoT business serving large social landlords

Arloid Automation

Telensa

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Iceotope

Crunchbase Website Twitter Facebook Linkedin

Engineered to cool the whole IT stack, in every use case, from Hyperscale to the Extreme Edge

Arloid Automation

Mytrah Energy

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Moltex Energy

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

KrakenFlex

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Tonik Energy

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Thermulon

Crunchbase Website Twitter Facebook Linkedin

Thermulon has developed a novel chemical pathway to produce building insulation materials.

Arloid Automation

Nova Innovation

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Advizzo

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Mobile Power Ltd

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Blue Ocean Seismic Services

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Ovon Home

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Look After My Bills

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Silicon MicroGravity

Crunchbase Website Twitter Facebook Linkedin

Silicon MicroGravity is a company developing novel sensor technology.

Arloid Automation

Metis Labs

Crunchbase Website Twitter Facebook Linkedin

Intelligent software, improving the performance of manufacturing processes.

Arloid Automation

Quimera Energy Efficiency

Crunchbase Website Twitter Facebook Linkedin

Energy Efficiency, ESCO, Energy Saving, Energy Service

Arloid Automation

Green

Crunchbase Website Twitter Facebook Linkedin

Green is a digital energy buying and managing platform.

Arloid Automation

Airex

Crunchbase Website Twitter Facebook Linkedin

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

Amber

Crunchbase Website Twitter Facebook Linkedin

B Corp certified and named ‘Consultancy of the Year’ at The Energy Live Consultancy Awards in 2020, Amber provides energy management and Net Zero services for businesses based in the UK and overseas.

Arloid Automation

GridDuck

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

The Parkmead Group

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

RheEnergise

Crunchbase Website Twitter Facebook Linkedin

RheEnergise is an energy company that transforms pumped hydro technology and boosts its capacity with High-Density Hydro (HDH) technology.

Arloid Automation

Demand Logic

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Hydrogen Hub

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Frontrow Energy Technology

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Energy 4 Impact

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Ignis Energy

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Impact Oil & Gas Ltd

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Utility Funding

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

PowerOasis

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

40South Energy

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Best.Energy

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

CRESS Systems

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Inspirit Energy Holdings

Crunchbase Website Twitter Facebook Linkedin

Inspirit Energy Holdings designed to operate as a single, standalone appliance for a building’s energy needs.

Arloid Automation

Current2Current Ltd

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Geothermal Engineering

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

The Crowd

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Trident Energy

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Anesco

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Brighter World Energy

Crunchbase Website Twitter Facebook Linkedin

Brighter World Energy, a new socially conscious energy company

Arloid Automation

Blue Diamond Technologies

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Recyclan

Crunchbase Website Twitter Facebook Linkedin

Tech Enabled Plastic Recycling Company

Arloid Automation

Kiwi Power

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

hiber

Crunchbase Website Twitter Facebook Linkedin

Home energy product installation startup

Arloid Automation

Signol

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Earth Capital

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

JFS Howla Hay Biogas

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Tyseley Energy Park

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Alpheon-Energie

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Nexsan

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Teknisolar Ltd

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Energy Assets

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

AlgaeCytes

Crunchbase Website Twitter Facebook Linkedin

AlgaeCytes uses a photobioreactor system and freshwater algal strains to produce high purity Omega 3 oils EPA.

Arloid Automation

Gazprom Global Energy Solutions

Crunchbase Website Twitter Facebook Linkedin

Gazprom Global Energy Solutions provides managed meter reading services.

Arloid Automation

ZPN Energy

Crunchbase Website Twitter Facebook Linkedin

A fast-growing EnTech company that designs, develops, and implements infrastructure technologies to win the fight against climate change.

Arloid Automation

Hark.

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

3POWER ENERGY GROUP

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

OakTree Power

Crunchbase Website Twitter Facebook Linkedin

An energy sector “Aggregator”, using demand-side reduction to deliver financial and carbon savings to medium and large organisations

Arloid Automation

Everoze Partners Limited

Crunchbase Website Twitter Facebook Linkedin

Everoze is an employee-owned consultancy, specializing in renewables.

Arloid Automation

Flexitricity

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

renooble

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

First Utility

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Bodycote

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

IMServ

Crunchbase Website Twitter Facebook Linkedin

IMServ provides energy data collection, advanced metering, smart metering, energy efficiency and visualization solutions.

Arloid Automation

Surple

Crunchbase Website Twitter Facebook Linkedin

Surple builds software to help organisations optimise their energy use.

Arloid Automation

Budget Energy

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Epwin Group

Crunchbase Website Twitter Facebook Linkedin

Epwin Group Plc is a leading supplier of low maintenance, sustainable and energy efficient products to the new build.

Arloid Automation

ThermCERT

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Energenie

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

CamSemi

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

ESB Energy

Crunchbase Website Twitter Facebook Linkedin

ESB Energy is a provider of energy supply and renewable solutions.

Arloid Automation

EnergyWiser

Crunchbase Website Twitter Facebook Linkedin

Their customers save £324/yr on their energy bills

Arloid Automation

UK Power Reserve

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

BiU

Crunchbase Website Twitter Facebook Linkedin

BiU offers renewable energy, consulting, compliance, energy efficiency, energy procurement, revenue recovery and utility management systems.

Arloid Automation

Enecsys

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Elstat Group

Crunchbase Website Twitter Facebook Linkedin

Intelligent energy-efficient refrigeration solutions.

Arloid Automation

BIPVCo

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Nexus Energy Solutions

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Changeworks

Crunchbase Website Twitter Facebook Linkedin

Changeworks is a non-profit organization that helps to improve energy efficiency, prevents waste, reduces fuel poverty & low carbon living.

Arloid Automation

E-Gistics

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Camfridge

Crunchbase Website Twitter Facebook Linkedin

Camfridge is creating a new generation of low carbon cooling products.

Arloid Automation

SulNOx Group

Crunchbase Website Twitter Facebook Linkedin

SulNOx Group provides fuel conditioning process and product that increase fuel efficiencies and thus reduce emission.

Arloid Automation

Quensus

Crunchbase Website Twitter Facebook Linkedin

Water management system to monitor and control water infrastructure

Arloid Automation

Pocketworks Mobile

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Vestemi

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Ecofin Us Renewables Infrastructure Trust

Crunchbase Website Twitter Facebook Linkedin

Ecofin invest in essential assets and services that contributes to sustainable human ecosystems and communities.

Arloid Automation

Faraday Institution

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Ceravision

Crunchbase Website Twitter Facebook Linkedin

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

Arloid Automation

Smart GreenTech Solutions

Crunchbase Website Twitter Facebook Linkedin

We are a well-established independent and multi award winning London based energy efficiency and sustainability consultancy.

Arloid Automation

DAJIE Ltd

Crunchbase Website Twitter Facebook Linkedin

Distributed Autonomous Joint Internet and Energy

Arloid Automation

Thermoelectric Conversion Systems

Crunchbase Website Twitter Facebook Linkedin

Thermoelectric Conversion Systems providing power converters to maximise the power transferred from the TEG to the load.

Written by Mark Smith

101 Most Innovative California Based Energy Efficiency Companies & Startups

101 Most Innovative Germany Based Energy Efficiency Companies & Startups