ESOS Phase 4 Compliance & Consultancy Services

Turn your ESOS Phase 4 compliance into a business opportunity. Meet the 5 December 2027 deadline, reduce energy costs, and advance your ESG goals.

Get Phase 4 Compliance Help

A Proven Track Record with ESOS

ESOS is a highly technical piece of legislation that can be difficult to interpret. By working alongside a dedicated energy partner, you can ensure that you remain compliant without last-minute pressures or uncertainty. You gain access to our extensive experience, having helped hundreds of organisations achieve compliance across all phases of the scheme.

Our track record speaks for itself:

13 customers have trusted us to deliver Phases 1, 2, 3, and are already contracted for Phase 4.
An additional 9 clients have been with us for Phases 2, 3, and are contracted for Phase 4.
We are proud to have submitted almost 100% of our clients’ ESOS notifications ahead of the compliance deadlines.

You’ll work closely with our in-house experts, like Noel, our Head of Net Zero & Energy Solutions, and Pilar, one of our engineers and a qualified ESOS Lead Assessor. You can be confident that you are in safe hands.

The Benefits of ESOS: More Than Just Compliance

Many businesses view ESOS as a compliance burden, but it’s actually an opportunity. The true value of ESOS lies in the energy and cost savings it can unlock. As one of our clients discovered, an energy saving opportunity that will save £5,000 is the same as a £100,000 sale to the company's bottom line.

Access expert guidance on ESOS Phase 4 that enables you to:

Reduce Costs: Identify and implement energy-saving measures that deliver real financial benefits for your organisation.
Meet ESG Targets: The outcomes of your ESOS audit can directly support your wider ESG and sustainability goals.
Gain a Competitive Edge: Lower your operational costs and enhance your brand's reputation by demonstrating a commitment to sustainability.

Make ESOS Phase 4 Work for Your Business

ESOS Phase 4 doesn’t have to feel like a burden. With the right approach, it becomes an opportunity to better understand energy use, uncover cost‑saving strategies, and strengthen long‑term efficiency across your organisation.

Data Collection & Analysis

Collecting the data needed for Total Energy Consumption (TEC) can be one of the most time‑consuming tasks relating to ESOS. By having specialists manage this process, your organisation benefits from complete, accurate data without the administrative pressure. You gain confidence that nothing has been missed, ensuring compliance for your organisation.

ESOS Audits & Compliance

A comprehensive ESOS audit does more than meet regulatory requirements. It gives you a clear understanding of where energy is being used, where inefficiencies exist, and how improvements can translate into financial and operational benefits. Instead of simply achieving compliance, you gain a roadmap for smarter energy management, allowing you to make more effective decisions in the future.

Action Plan Support

The new mandatory Action Plan provides an important opportunity to turn recommendations into measurable results. With expert guidance, your organisation can develop a practical, achievable plan that aligns with ESOS requirements and focuses on delivering genuine energy and cost savings. This ensures compliance while helping you make meaningful progress toward long‑term efficiency goals.

Change 01

Annual Action Plans:

Businesses must now create and report on energy-saving plans annually.

Change 02

Enhanced reporting:

Demonstrating a closer alignment with net-zero targets.

Key Changes in ESOS Phase 4

ESOS Phase 4 introduces several new requirements designed to encourage genuine improvements in energy efficiency. These include a greater focus on net-zero alignment, more detailed reporting, and the mandatory Action Plan. While the technical details can be complex, the result is a better understanding of your energy usage and the confidence that your organisation remains compliant.

For a detailed breakdown of the technical changes, download our ESOS Phase 4 guide.

Why partner with Trident?

In-house expertise

We were one of the first UK consultants to offer ESOS lead assessors, helping businesses meet requirements quickly.

Guaranteed success rates

In Phase 2, 63% of evidence packs reviewed by The Environment Agency were only partially compliant and required changes. We’re proud to declare that with our help, 100% of our customers achieved compliance.

Beyond compliance

We can help you implement sustainable solutions that reduce energy costs and optimise energy efficiency.

Start saving now

Act today so you can reap the benefits sooner from your energy-saving opportunities. With energy prices high, this makes good sense for your profits as well as the planet.

Working with Trident has been invaluable when navigating the complexities of carbon accounting. They’ve facilitated thought-provoking workshops which have enabled us to clearly define our carbon reduction pathway, and have supported and guided us to do this in a science-based, methodical and co-ordinated way. Trident have been a true partner throughout the process, making this a genuinely collaborative experience tailored to the requirements and aspirations of Abri.”

Interim Executive Director of Assets and Sustainability, Abri

Trident have been a true partner throughout the process.”

See success story

Meet the 5 December 2027 Deadline with Confidence

Don't leave your ESOS Phase 4 compliance to the last minute. Access expertise, cost savings, energy reductions and real value by partnering with us. Contact our team of experts today to get started.

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