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Top Energy Companies in London (150)

IONATE
Information Technology • Energy
London
26 Employees
Hiring Now

IONATE is transforming power systems through deep-tech innovation. Its Hybrid Intelligent Transformers equip key electricity players with the data and power flow control they need in an ever-evolving system. One device alone brings comprehensive sensing & monitoring, dynamic voltage-, power factor- and harmonics control capabilities. But a network of them, coordinated by our digital platform, unlocks systemic responsiveness as the...

IONATE
Javelin Global Commodities
Logistics • Energy • Financial Services • Industrial
6 Offices
Hiring Now

Javelin Global Commodities is a global firm specializing in the marketing, trading, logistics, financing, and advisory of bulk, steel, energy, and renewable commodities.

Javelin Global Commodities
ABB
Robotics • Analytics • Energy
15 Offices
104,000 Employees
45 Benefits Hiring Now

ABB is a leading global technology company that energizes the transformation of society and industry to achieve a more productive, sustainable future. By connecting software to its electrification, robotics, automation and motion portfolio, ABB pushes the boundaries of technology to drive performance to new levels. With a history of excellence stretching back more than 130 years, ABB’s success is driven...

ABB

ABB's Top Stability & Growth Strengths

Strong Market Position & Advantage: ABB is positioned as a top-tier or No. 1 player across several core categories, including drives and motors, distributed control systems (DCS), and key electrification/switchgear segments, supporting defensible leadership in retained businesses.

Strong Revenue Growth: ABB’s 2025 results show clear expansion in orders and revenue alongside a record backlog, which increases near-term visibility and supports continued growth expectations into 2026.

Profitability: Margin expansion and strong operational EBITA performance, alongside improved gross margin and higher cash generation, indicate disciplined execution translating scale and demand into resilient profitability.

Rexel
Energy
26 Offices
16,165 Employees
12 Benefits Hiring Now

Rexel, worldwide expert in the professional multichannel distribution of electrical products and services for the energy world, addresses three main markets - residential, commercial, and industrial. The Group supports its customers to be at their best in running their business, by providing a broad range of sustainable and innovative products, services, and solutions in the field of technical supply, automation,...

Rexel
Ohme
Energy • Renewable Energy
3 Offices
218 Employees
Hiring Now

Hello, we’re Ohme ? We provide end-to-end electric charging solutions for customers and businesses. Whether you are charging at home, at work or on the move - we have you covered. We’ve created a product that not only makes electric vehicles cheaper to run, but allows consumers, businesses and energy suppliers to work together to support the global transition to renewables. Want to...

Ohme
World Resources Institute
Greentech • Social Impact • Consulting • Energy
9 Offices
2,000 Employees
22 Benefits Hiring Now

The World Resources Institute is a global research organization that works to improve people's lives, protect nature, and stabilize the climate by conducting research and informing policy.

World Resources Institute
Heat Geek
Energy
London
26 Employees
Hiring Now

Heat Geek is renewing the heating industry. Home heating accounts for 17% of the UK's carbon emissions and to tackle this, we've developed a digital-first experience that enables people to upgrade the homes with carbon-free heating. For installers, we've long been the go-to source of expert advice on all aspects of the heating industry for both end users and industry...

Heat Geek
Castleton Commodities International
8 Offices
573 Employees
33 Benefits Hiring Now

Castleton Commodities International is an independent global energy commodity merchant and infrastructure asset investor. As a trader, CCI deploys capital on a proprietary basis in the physical and financial commodity markets, providing the Company with market insights and access. As a strategic investor and developer, CCI leverages its market expertise, operations capabilities, and industry knowledge to invest in, and develop,...

Castleton Commodities International
Zenobē
Energy
London
250 Employees
Hiring Now

Delivering clean power and transport solutions through the innovative use of battery storage.

Zenobē
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Petroineos
Logistics • Energy • Utilities • Manufacturing
2 Offices
475 Employees
Hiring Now

Petroineos is a joint venture between PetroChina International London and INEOS Group, established in 2011. It operates as an integrated refining and energy trading company, processing crude oil and trading a comprehensive range of energy products globally. The company focuses on quality, safety, and sustainability, with key assets including refineries and distribution terminals that support its trading and refining activities...

Petroineos
Greenergy
Logistics • Transportation • Energy • Renewable Energy
11 Offices
1,715 Employees
1 Benefits Hiring Now

Greenergy is a leading transportation fuel supplier, integrating traditional and renewable energy solutions. They are a leading European manufacturer of waste-based biodiesel and supply petrol and diesel, managing fuel logistics and infrastructure.

Greenergy
Energy Exemplar
Greentech • Energy
9 Offices
675 Employees
22 Benefits Hiring Now
Empowering Transformative Energy Decisions

In an era where the world is rapidly advancing towards a cleaner future through decarbonization, Energy Exemplar’s mission lies in ‘Empowering Transformative Energy Decisions’?☀️? Founded in 1999 in Adelaide, Australia, our award-winning software portfolio encompassing the modeling and simulation platform PLEXOS®, Aurora, and Adapt2, is trusted by innovative organizations across the globe. Through our technology and people, we strive to...

Energy Exemplar
Kaluza
Software • Energy
7 Offices
494 Employees
15 Benefits Hiring Now

Kaluza is an energy software company powering the future of energy. From revolutionising billing to smart electric vehicle charging, Kaluza’s technology is empowering some of the biggest energy suppliers to better serve millions of customers. Its real-time cloud platform transforms supplier operations, reducing cost to serve and boosting customer engagement. Powered by Kaluza, suppliers can invest in innovating for tomorrow’s...

Kaluza
Octopus Energy
16 Offices
724 Employees
23 Benefits Hiring Now

We’re not your typical energy company. We want to change energy for the better by making it greener, smarter, and more affordable for everyone. Not only are we one of the biggest generators of renewable energy in the UK, we’re also one of the top-rated energy suppliers.

Octopus Energy
OilX
Artificial Intelligence • Big Data • Information Technology • Analytics • Business Intelligence • Energy
London
28 Employees

OilX enables traders and analysts to gain fact-based intelligence and draw conclusions faster through intuitive, accurate, real-time oil data analytics and market intelligence reports that facilitate confident decision-making. OilX is a proud member of EA Group. With OilX, traders and analysts get a comprehensive view of the global oil markets, spend more time trading rather than analysing, and as a...

OilX
Energy Impact Partners
6 Offices
108 Employees
2 Benefits

Energy Impact Partners LP (EIP) is a global venture capital firm leading the transition to a sustainable future. EIP brings together entrepreneurs and the world’s most forward-looking energy and industrial companies to advance innovation. With over $2.5 billion in assets under management, EIP invests globally across venture, growth, credit, and infrastructure – and has a team of over 70 professionals...

Energy Impact Partners
Airly
Internet of Things • Software • Energy
London
36 Employees

We are Airly. Our mission is to empower the world to reduce air pollution - to save lives. This means transforming how governments, businesses and communities understand and respond to air pollution. Today we’re focussed on building more granular, actionable and cost-effective information on air quality - through an end-to-end air quality monitoring solution to supplement existing regulatory monitors. Visit...

Airly
CECO Environmental Corporation
Greentech • Other • Biotech • Consulting • Energy
29 Offices
501 Employees
25 Benefits

CECO Environmental is a global leader in air quality and fluid handling serving the energy, industrial and other niche markets. Providing innovative technology and application expertise, CECO helps companies grow their business with safe, clean and more efficient solutions that help protect our shared environment. In regions around the world, CECO works to improve air quality, optimize the energy value...

CECO Environmental Corporation
Cygnet Energy
Software • Energy • Solar • Renewable Energy
London
7 Employees

Cygnet Energy, a branch off from Cygnet Properties, ventured into the renewable energy market, by turing Cygnet Properties green and started a butterfly effect in launching and developing solar farms all over Africa, Europe, India and now the UK. We have a combined 45+ years of experience and have generated over 100MW+ of energy.

Cygnet Energy
Senior plc
Aerospace • Automotive • Energy • Defense
2 Offices
6,779 Employees
10 Benefits Hiring Now

Senior plc is a global, market-leading engineering solutions provider that designs and manufactures high-technology components and systems for the aerospace, defense, land vehicle, and power & energy markets.

Senior plc

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