Top 10: Energy Consulting Companies

Energy consulting companies are facilitating the energy transition by providing expert guidance to businesses in managing and optimising energy use, which is crucial for cost reduction, regulatory compliance and sustainability.

These consultants aim to help organisations navigate complex and evolving energy regulations, promoting adherence to policies that reduce carbon footprints and boost renewable energy adoption.

The transition can be facilitated through consultants evaluating, planning and implementing projects such as solar and wind, balancing initial investments with long-term benefits. 

Energy Digital has ranked the top ten energy consulting companies that are supporting the sector in the clean energy transition. 

10. EcoEngineers

CEO: Shashi Menon
Founded: 2009
Headquarters: Iowa, US

The energy transition and decarbonisation focused company EcoEngineers has been acquired by LRQA. 

EcoEngineers provides support to those in the energy sector in sustainability advances, through applications such as its Life-Cycle Analysis that evaluates the environmental impacts of a product. 

It recognises that emerging clean energy regulations are complicated, training its team in carbon accounting frameworks and reporting structures, enabling the team to provide compliance support and management and training programs.

9. PwC

CEO: Mohamed Kande
Founded: 1998
Headquarters: London, UK

PwC states that collaboration is key between governments, businesses and communities, to shape a more resilient and affordable energy system.

In order to support this transition, the firm helps clients navigate market changes, manage risk and capitalise on innovation. 

PwC encourages companies to move towards renewables, digital innovation and circular economies. 

Elisabeth Hunt, Partner at PwC says: “The energy industry is going through a huge transformation and we need an unprecedented amount of collaboration to balance the transition to net zero with the need for energy security, sustainability and affordability.”

8. ERM

CEO: Tom Reichert
Founded: 1977
Headquarters: London, UK

ERM is focused on building a sustainable future, consulting energy companies on the future of renewables. 

Providing consulting services for any company that is looking to transition to generating, consuming or investing in renewable energy. 

The firm's expertise helps clients to make strategic decisions, hedge energy market risks, executing this through its capital project delivery services. 

Nikki Payne, Partner at ERM says: “ERM is helping our clients to build our renewable energy future by helping them to go to the market, build these projects quickly, safely, efficiently and sustainably in harmony with the surrounding environment and communities."

7. Oliver Wyman

CEO: Nick Studer
Founded: 1984
Headquarters: New York, US

Oliver Wyman provides support to energy companies addressing strategic and operational challenges through a results-oriented approach.

The company says that the energy transition has created uncertainty within the sector, making traditional energy business models obsolete, so the firm provides advice to support those in the industry through the confusion. 

With expertise in oil and gas, utilities, chemicals and the mining sector the company helps clients in navigating new trends, challenges and opportunities in energy, alongside managing existing business and assets.

Thomas Fritz, Head of Energy and Natural Resources Europe at Oliver Wyman says: “My personality is to challenge the status quo – to change routines that are not state of the art and set new standards. 

“Strategy consulting allows me to develop creative solutions that improve strategies, structures, and processes for my clients.”

6. KPMG

CEO: William Thomas
Founded: 1987
Headquarters: Amstelveen, Netherlands

KPMG is advising various companies within the energy sector on investments into hydrogen and carbon capture, usage and storage and renewables.  

Working with various businesses within the power and utilities sector the firm provides solutions to reduce operating costs, comply with regulations, implement new technology and develop customer strategies. 

KPMG has supported energy companies through its ServiceNow cloud platform, executing digital transformation implementation and changing how IT services are delivered to the company’s workforce. 

5. Boston Consulting Group 

CEO: Christoph Schweizer
Founded: 1963
Headquarters: Massachusetts, US

BCG has several energy consultants that it says lights the way to the future of energy. 

The company provides services that are taken from the deep understanding of the energy industry, technologies and stakeholders.

Within the renewables sector BCG has created a multitiered approach that includes low carbon solutions and portfolio strategy, operating model and go-to-market planning. 

To facilitate the energy transition the firm encourages companies to uptake technologies such as carbon capture, hydrogen, large scale renewable and energy storage.

Also supporting those in the power and utilities sector in the transition to a new zero future, through advising on strategies. 

4. Deloitte

CEO: Joe Ucuzoglu and Anne Muraya
Founded: 1845
Headquarters: London, UK

Deloitte says that its practitioners provide clients with expertise such as subject matter depth and multi-disciplinary skills, creating collaboration across the industry. 

Also providing clients with customised solutions based on Deloitte’s capabilities. 

The company says its practitioners provide an integrated approach supporting the connection of technology and the human element, helping to transform organisations, adapt to changing regulations, create an extended ecosystem and drive the adoption of sustainable solutions. 

Also providing clients with insights into the resourcefulness of green molecules to facilitate the energy transition for high emitting sectors. 

Merlyn Gregory, UK Energy Transition Leader at Deloitte says: “It is vital that a path is established to scale and reduce costs in the green molecules market, creating a viable economy around it. This will break the deadlock of supply and demand and open up decarbonisation options for businesses in all industries.

“Green molecules are an essential part of the decarbonisation journey.”

3. Bain & Co

CEO: Christophe De Vusser
Founded: 1973
Headquarters: Massachusetts, US

Bain & Co says it has provided breakthrough technology to provide clients with solutions in the energy sector, using digital tools, AI, analytics and deep insights into consumer trends. 

It has more than 2,000 projects within the utilities and renewable industry, helping customers in sectors such as energy trading, gas storage and power generators. 

To provide insight into the support the company is giving its clients Bain & Co created a survey, Energy & Natural Resources Executive Survey 2025. 

“There are two major topics at the top of executives’ agendas: managing capital cost inflation and driving transformation through AI and ERP,” said Grant Dougans, a Partner and Leader in Bain’s Energy & Natural Resources practice.

“For many, ERP transformation is no longer just an IT upgrade—it’s a strategic imperative. 

“As software vendors phase out support for legacy systems, companies are realising that modernising their ERP can unlock powerful new business capabilities and technology tools, such as AI-driven demand forecasting, to drive efficiency and growth.”

2. McKinsey & Co

CEO: Bob Sternfels
Founded: 1926
Headquarters: New York, US

McKinsey says that it supports power generation and utility companies to develop sustainability strategies through the energy transition. 

The company provides clients with tools such as digitalisation, automation and AI.

Beyond technology McKinsey encourages clients to address the energy transition through spanning capital deployment, improving business cases, ensuring economic return , adjusting regulation and establishing continued political and public support. 

McKinsey pioneers an offshore wind hub, supporting companies throughout the industry, helping with technological innovations, system integration and strategies. 

Also providing support in the nuclear power sector such as advising on the design of new plants, introducing design-to-cost methods and developing supply and demand models.

Humayun Tai, Senior Partner at McKinsey & Co says: “What I find encouraging is that people are less likely than they were until only quite recently to say that the transition shouldn’t happen or that a push for a 2050 deadline is a waste of resources. 

“There has been a change in mindset, particularly in the United States. Everybody I talk to and work with, such as clients and colleagues, believes in the need to head toward a net zero world.”

1. Schneider Electric

CEO: Olivier Blum
Founded: 1836
Headquarters: Rueil-Malmaison, France

Schneider Electric, which was recently celebrated as the world's most sustainable company, accelerated the growth of its sustainability consulting arm, originally established in 2011.

A key step was acquiring EcoAct, a global specialist in climate consulting and net zero strategy, addressing rising demand from corporates pursuing energy transition goals.

Today, the division works with over 40% of Fortune 500 companies in 100+ countries, offering services from climate action planning and risk assessment to ESG materiality, traceability, circularity, and renewable energy advisory.
Consulting teams serve industries worldwide, from finance and real estate to industrial and commercial, helping deliver science-based targets and credible disclosures.

“At Schneider Electric, sustainability is at the heart of everything we do,” says Esther Finidori, Chief Sustainability Officer at Schneider Electric.

“Sustainability Magazine celebrates our ambitious targets and honest transparency approach to sustainability across our operations and supply chain — and the measurable impact we’re driving together.”