Use our software to streamline your ESOS experience, or engage our professionals to complete the process for you.
The Energy Savings Opportunity Scheme (ESOS) is a mandatory energy assessment and savings identification programme for large organisations in the UK. Now in its fourth phase, the scheme is designed to help businesses improve energy efficiency and reduce carbon emissions.
DIY Compliance
ESOS Assessors & Competent FM/Engineers/EPC/Low Carbon Consultants can use our innovative system to streamline the ESOS energy audit process.
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Engage
Harness a network of ESOS Lead Assessors, Engineers & Low Carbon Consultants who use What's the Payback software to streamline the ESOS compliance process.
Our smart audit platforransforms the way energy audits and ESOS compliance are delivered — saving up to 70% of audit time while improving quality, consistency, and insight across all user types.Whether you're an external consultant, in-house energy manager, or part of a compliance or ESG team — our platform adapts to your workflow:
Lead Assessors & Consultants:
Deliver more audits in less time with built-in savings calculators, structured workflows, and instant, professional reports. Focus more on insight, less on admin.
ESOS Participants & In-House Teams:
Navigate compliance with confidence using guided inputs, pre-populated measures, and clear outputs aligned with Phase 4 requirements. No prior expertise needed.
Multi-Site Managers:
Benchmark performance across all sites, prioritise audits by cost or carbon savings, and manage portfolio-wide data from a central dashboard.
Corporate Compliance & ESG Teams:
Ensure traceability with version control, audit history, and export-ready data for SECR, board packs, and wider ESG reporting.From first login to final report, Whatsthepayback.com simplifies compliance — and delivers real, measurable value.
Our ESOS compliance service is led by accredited Lead Assessors and supported by a UK-wide network of experienced energy engineers. From initial project planning through to full audit delivery and Lead Assessor sign-off, we manage the entire process for you.S
Single-site or multi-site audits. Full compliance documentation. Director-level reporting and Energy Action Plans. Nationwide site coverage thourgh network of experienced engineers. Trusted by major UK brands, we deliver compliance that’s complete, accurate, and on time.
Our platform connects directly to a curated database of approved suppliers and real-world technologies.
This means every payback calculation is based on actual product performance and pricing — not assumptions or generic benchmarks.
Instant, high-quality reports aligned with ESOS, SECR, and ISO 50002 standards.
Net Present Value (NPV) and payback calculations powered by real-world data, not estimates.
Live links to supplier technologies ensure all recommendations are based on actual costs, specifications, and availability.
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What’s the PaybackLimited
86-90 PaulStreet, London, England, EC2A 4NE
Company Number:12582637
VAT: 411900245
Tel: 0333 305 5685
