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Easy ESOS Compliance

ENERGY SAVING OPPORTUNITIES SCHEME

Use AI to simplify your ESOS Compliance

  • 100% guaranteed compliance
  • Trusted by leading brands
  • Automated ESOS Action Plans
  • Save time with AI suggested text
  • Online collaboration, centralised data
  • Reduce your energy costs by 30%*
  • Over 3,000 reports produced since 2002
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Book A Meeting With An ESOS Expert

Built in workflows ensure comprehensive coverage of all ESOS reporting requirements. Just tick off the tasks as you complete them.

Leveraging our 20 years of experience, we have trained our AI to help you draft your the report, saving you months of time compared to manual drafting.

Supply Chain, Scope 1, Scope 2, and full scope 3 analysis is built in from the get go. Simply enter your data and let the software do the rest.

With in-house auditors and Lead Assessor, we make ESOS pain-free. Our team can support you at any time should you need help.

ESOS reporting made easy

Ensuring ESOS compliance in line with the increasingly complex legislation eats into your valuable time – time better spent on core activities.

Enistic has helped some of the best-known brands and largest companies in the world comply with ESOS regulations. We have the expertise and know-how to successfully guide you through the process.

Dedicated platform module for ESOS Action Plans (EAP) built specifically to meet the UK Government requirements. 

Our carbon accounting platform will help you streamline ESOS and EAP reporting, making the process pain-free. 

Enistic, the all-in-one solution

Your ESOS Requirement <-> Enistic Platform

  • 100% legal compliance
  • AI tuned to speed up your ESOS reporting (including EAPs)
  • Dedicated module for EAPs
  • Over 3,000 businesses since 2002
  • A full energy audit
  • World class support, 20 years' experience
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Who qualifies for ESOS?

If your company is classed as “large” in accordance with the Companies Act 2006 you will need to carry out ESOS compliance and provide a report by the stated deadline (next deadline, for Phase 4, is the 5th December 2027).

Any organisation meeting any of the following criteria MUST comply with ESOS:

– Have over 250 members of staff.

– Or turnover of over 50 million Euros (£43 million) and an annual balance sheet total in excess of 43 million euro (£37 million).

– Or be a part of a larger organisation that falls into either of these categories

Download our free ESOS guide and example here 

What are the ESOS Action Plans?

Phase 3 of ESOS introduced a significant addition: mandatory ESOS Action Plans (EAPs).

Companies are now legally obliged to publish an energy improvement plan, stating their plans on how to implement those. This plan must be submitted annually, with publicly progress reports.

EAPs with Enistic

  • Upload your ESOS data into the system
  • Use Enistic AI Assistant to get tailored energy reduction projects
  • Each recommendation includes an estimated timeline, a cost analysis, projected savings, and references to the specific standards
  • Choose the projects from the list and add them to your plan
  • Generate your EAP report
  • Update the data as you take action and make progress
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The UK’s #1 ESOS provider since 2014

At Enistic, we have produced over 3,000 reports and our clients have never failed compliance. That’s why we guarantee compliance for ESOS and EAPs.

Our platform is tried and tested by some of the best world-known brands. Enistic platform allows you to streamline data collection, analysis and reporting.

Stages of Completing Your ESOS Compliance

ESOS Action Plans
5th March 2025
Submit your EAP report

Create your ESOS Action Plans on the platform and track your performance. Enistic AI Assistant can help you make informed decisions about the best projects for your action plan.

ESOS Action Plans Update
5th December 2025
5th December 2026
Submit your EAP report update to MESOS

Keeping track of progress is essential to completing a successful ESOS Action Plan update. Monitor your overall company's carbon emissions as well as your projects' performance.

Qualification date
31st December 2026
Check if your company needs to comply with ESOS Phase 4
Upload your data into the Platform
2026-2027
Collect and upload your data into the platform

Use the GHG Protocol to calculate your Scope 1, Scope 2 and Scope 3 emissions.  Enistic tracks all of the sites, users, teams, data points you need for the process and uses always up ot date government approved factors. 

Book your ESOS Audit
2026-2027
Talk to our team to book a face-to-face ESOS Audit
Create your ESOS Phase 4 report
2026-2027
Click to download your ESOS 4 report

Once all your data is on the platform, and your audits have been carried out, our ESOS Lead Assessor will sign your report and it will be on the platform ready to be downloaded.

Submit your ESOS report to MESOS
5th December 2027
Submit your ESOS Report and the evidence pack to the MESOS System
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Tried and Trusted Since 2002

Discover why over 300 large businesses love using the Enistic Carbon Accounting Platform

Designed With You In Mind


Sustainability Teams

  • Greater productivity using AI
  • Comprehensive audit trails
  • Extensive reporting
  • Workflows to guide you
  • Scope 1, 2, 3, and supply chain


Accountants

  • Shared visibility of client data
  • Comprehensive audit trails
  • Check for complete coverage
  • Tried, tested, and verified
  • Accurate calculations
  • Up to date carbon factors

Sustainability Professionals

  • Shared visibility of client data
  • Portfolio tool for multiple clients
  • Generous partner scheme
  • Full training and support
  • Up to date carbon factors
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Frequently Asked Questions - ESOS & EAPs

When do I need to submit my ESOS report?

The deadline to comply with ESOS Phase 3 was the 5th August 2024. If you didn’t submit your report and you are requested to do it now, please call the team ASAP. Our in-house ESOS Lead Assessor can help you.

The deadline for ESOS Phase 4 compliance is the 5th December 2027.

If you don’t comply with ESOS you will be at risk to be fined. You will be charged a fixed penalty of £5,000 plus an additional £500 per day until you submit your ESOS report. As ESOS is a public report, not complying with it could also damage your reputation.

The Enistic AI is generally extremely good and the answers and sample text it provides are on par with what consultants can provide.   That said, it does make mistakes and it is necessary to check both the results it gives in the system before submission of your report.  As more and more people use the system, the answers it gives are becoming even better and we expect that to be the case for the foreseeable future.

It is expected that you will need to include more information about your carbon emissions on ESOS Phase 4 (e.g. a wider analysis of your Carbon Footprint, a Carbon Reduction Plan, and Net Zero assessments).

Yes, to legally comply with ESOS you need a qualified ESOS Lead Assessor to sign your report.

It can be complicated to get all the data required for ESOS, but it is a legal requirement that you get it. Here’re some things you can try:
– Checking with finance teams for invoices.
– Contacting the utility provider for usage details or online portal access.
– Requesting an FTP data download if necessary.

You can find the full answer in this video.

To comply with ESOS Phase 3 you will need a report detailing planned actions, timelines, responsible parties, and expected savings. Annual progress reports are also required (known as ESOS Action Plans or EAPs), tracking achievements and remaining targets. The data must be precise, well-documented, and signed off by a senior director.

Frequently Asked Questions - About the Enistic Carbon Accounting Software

Does your system handle Scope 3?

Yes.  Enistic handles all Scope 1, Scope 2, and Scope 3 sections of the Greenhouse Gas Protocol (“GHG Protocol”).

Yes.  We have produced and filed over 500 fully compliant legal reports.  The system is “tried and tested” and most of the “Big 4” accountancies have audited the reports it has produced at one stage or another over the past few years.  

The Enistic software is heavily standards based and complies with most standards that you will need in day to day use.  This includes: ESRD, ISSB, IFRS S2, CSRD, ESOS, SECR, Science-Based Targets, GHG Corporate Accounting Standard, GHG Corporate Accounting Standard Including Value Chain, ISO15804, ISO1404, ISO20121, BS:EN 16274, ISO5002, 

The Enistic software is available in English, French, German, Italian, Spanish, and Simplified Chinese.  If you need another language, please contact us to disucss.

Enistic maintain a large database of UK and EU government approved conversion factors.  There are over 40,000 factors built in, including in the software that cover fuel types, vehicle types, energy types, product composition, raw materials, and company annual emissions.  Factors are updated promptly if annual updates are issued by the relevant authorities.

Frequently Asked Questions - About Enistic as a company

Who are you?

We are Enistic Limited, based in Oxford, UK.  We are 17 passionate people who, since 2002, have been producing carbon accounting software to help businesses reduce their carbon footprint and adopt  more sustainable business practices.  We focus primarily on helping larger companies comply with different sustainability reporting requirements and reap the benefits from doing so.  We are stable, profitable, and growing.  

Most of the clients we deal with are still with us almost a decade after they started using us, so we must be doing something right!

We have a long and successful track record with helping businesses with many aspects of sustainability using our software.  We are especially proud of our ESOS compliances, SECR compliances, Carbon reduction Plans, Science Based Targets accreditations, EPDs and TCFD reporting work.

We have a long running YouTube channel aimed at sustainability professionals.  Just Google “Carbon College” or “Enistic” or “Darryl Mattocks” and you should easily be able to find our work.

Yes, called “Net Zero for Business”.  It’s available for £22 on Amazon and has some great reviews.

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Talk to an ESOS expert today

  • 100% guaranteed compliance
  • Trusted service by world-known brands
  • Save time by getting AI to draft suggested text for you
  • Collaborate with colleagues to request and receive data
  • Reduce your energy costs by 30%
  • Over 3,000 reports produced since 2002