Best Services for Energy Efficiency Companies in England, United Kingdom
The 84 best Services for Energy Efficiency companies in England, United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Enzen.
Ranked: Best Services for Energy Efficiency companies in England
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Enzen Provider of consulting, technology, engineering, and operating services for businesses 42Talent top 22%Funding top 33%Moat top 34%Product top 40% All 10 signals ▾Talenttop 22% Fundingtop 33% Moattop 34% Producttop 40% Techtop 48% Marketbottom 47% Globalbottom 45% Fin. healthbottom 40% Growthbottom 35% Newsbottom 27% Talent: Analyst team rating 5/5 · 3 named leaders on record Funding: Raised $252M across 8 rounds · 8 rounds over 19 yrs (0.4/yr) rank vs industry peers · Fliar Intelligence Index 42/100 | $252M | 24 mo ago | Series C | Vinod Nair Co-Founder | 2006 | WagtailPythonDjango+15 | — |
| 2 | Inspired Energy Provider of consultancy service for energy field | $104M | 71 mo ago | Public | Jani Thornton Founder | 2000 | — | — |
| 3 | SSE Energy Solutions Provider of energy infrastructure solutions | $34M | 100 mo ago | Funding Raised | Paul Davies Managing Director | 2006 | Node.jsHeadless UITailwind CSS+14 | — |
| 4 | Vital Energi Provider of sustainable energy solutions for diverse sectors 53Patents top 31%Innovation top 41%Growth top 42%Market top 45% All 9 signals ▾Patentstop 31% Innovationtop 41% Growthtop 42% Markettop 45% Fundingtop 48% Moatbottom 49% Techbottom 48% Globalbottom 38% Newsbottom 32% Patents: 16 patents matched (strict assignee match) · 14 filings since 2022 vs 2 in 2017-21 Innovation: 16 patents (top 63% of patent-holders) · 14 filings since 2022 vs 2 in 2017-21 rank vs industry peers · Fliar Intelligence Index 53/100 | $12M | 27 mo ago | Late Stage | — | 2000 | ZohoChart.jsPlyr+19 | — |
| 5 | Energys Group Provider of energy efficiency and decarbonization solutions for buildings. | $2M | 71 mo ago | Public | — | 2005 | WordPressMySQLPHP+28 | — |
| 6 | Self Energy Provider of multiple energy services | $92K | 148 mo ago | Funding Raised | Miguel Matias CEO | 2008 | — | — |
| 7 | Rana Energy Provider of reliable, hassle-free, and clean energy solutions | $20K | 36 mo ago | Seed | Mubarak Popoola Co-Founder | 2022 | — | — |
| 8 | Clean Energy Capital Developer of solar and wind energy projects | — | 23 mo ago | Late Stage | — | 2021 | WixSentryBootstrap+12 | — |
| 9 | Fidelity-Energy Provider of business energy procurement, switching, and carbon emission reduction services | — | 24 mo ago | Late Stage | Simon Payne Founder & CEO | 2014 | — | — |
| 10 | Next Energy Provider of energy efficiency grants with a focus on domestic and commercial heating | — | 25 mo ago | Seed | — | 2016 | WordPressMySQLPHP+23 | 1 partnership |
Top 12 Services for Energy Efficiency companies in England
#1
Series C · Solihull, England · founded 2006 · 2 employees$252.4Mraised▾
Provider of consulting, technology, engineering, and operating services for businesses. It offers a wide range of advisory solutions for the power, water, gas, and renewable energy sectors. It serves their services to industries including businesses, governments, non-governmental organizations, and nonprofits. It is also involved in projects related to digital transformation, smart metering, and cybersecurity in the utilities sector.
- May 2024Series C$10M
- Apr 2019Series C$100M
- May 2018Series B$116.1M
- Apr 2015Conventional Debt$20.5M
#2
Late Stage · Blackburn, England · founded 2000 · 535 employees$12.3Mraised▾
Provider of sustainable energy solutions for diverse sectors. This company designs, builds, and maintains energy generation, distribution, and consumption management systems. Services include heat networks, solar farms, energy storage, and waste heat recovery. They work with various clients, offering project development, financing support, and ongoing operations and maintenance. Their solutions aim to improve energy efficiency and reduce carbon emissions. The company also provides smart metering and energy conservation measures.
- Mar 2024PE—
- Feb 2018Grant (prize money)$81.8K
- Oct 2007PE$12.3M
#3
Public · Kirkham, England · founded 2000 · 641 employees$104.2Mraised▾
Inspired Energy Solutions (aka IEA) is an energy consultancy firm that operates in the vertical of renewable energy and energy efficiency field. With a team of more than 400 energy consultants, offers solutions such as energy procurement, market analysis, energy management, retrospective audits, site operations of renewable energy projects.
- Jul 2020Post IPO$13.5M
- Nov 2019Conventional Debt$77.6M
- Nov 2015Conventional Debt$13.1M
#4
Funding Raised · Reading, England · founded 2006 · 851 employees$34.4Mraised▾
Provider of renewable electricity solutions. It supplies gas and electricity to businesses and local authorities with a focus on renewable electricity sourced from SSE’s UK wind and hydro assets. The company offers a range of energy products including onsite generation, battery storage, electric vehicle charging infrastructure, and energy efficiency tools to help customers decarbonize and transition to net zero.
- Feb 2018Grant (prize money)$9.7M
- Dec 2016Grant (prize money)$24.7M
#5
Public · Billingshurst, England · founded 2005$1.9Mraised▾
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- Jul 2020Conventional Debt$1.9M
#6
Seed · London, England · founded 2022$20Kraised▾
Provider of reliable, hassle-free, and clean energy solutions
- 2023Seed$20K
#7
Funding Raised · London, England · founded 2008$91.7Kraised▾
Provider of multiple energy services. They specialize in helping owners and operators of public and private buildings reduce energy costs and carbon emissions while improving energy security. It provides design, implementation, operation, and maintenance of decentralized energy assets, often at no cost to the end user.
- Feb 2014Grant (prize money)$91.7K
#8
Late Stage · London, England · founded 2021 · 19 employees—raised▾
Developer of solar and wind energy projects. It focuses on supplying large-scale private wire renewable energy solutions to large power users such as IBM. The company fully funds, develops, builds, owns, and operates private wire renewable energy infrastructure, enabling organizations to reduce carbon emissions, cut costs, and secure long-term energy certainty without capital investment.
- Jun 2024PE—
#9
Late Stage · Newbury, England · founded 2014 · 37 employees—raised▾
Provider of business energy procurement, switching, and carbon emission reduction services. The company supports businesses in securing energy contracts and managing energy needs. It offers services including business gas and electricity procurement. The company also provides green energy solutions, solar panels, and electric vehicle charging options. Automatic switching services ensure clients are always on the right deal.
#10
Seed · Knowsley, England · founded 2016 · 54 employees—raised▾
Provider of energy efficiency grants with a focus on domestic and commercial heating. It is next E\energy specializes in delivering grants and support for energy improvements to help save money on heating bills.
#11
Funding Raised · Newcastle Upon Tyne, England · founded 2019 · 4 employees—raised▾
Provider of consultancy services for their energy and sustainability requirements
#12
Seed · Stanley, England · founded 2013 · 6 employees—raised▾
Provider of electrical and mechanical solutions
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Services for Energy Efficiency coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.