Independent Verification,
Validation & Assurance
for Credible Sustainability Reporting
ROSS Services delivers greenhouse gas emissions verification, carbon neutrality validation, and sustainability report assurance under internationally recognised standards — so your climate and sustainability related claims stand up to scrutiny from regulators, investors and stakeholders.
Why Verification Matters
Greenwashing scrutiny is intensifying. Regulators, investors and customers no longer accept unverified sustainability claims. Independent third-party verification transforms your emissions data and sustainability disclosures from mere claims into evidence.
Our Core Pillars
How we bring institutional-grade rigour and technical depth to sustainability compliance.
Credibility
Verification and assurance statements issued by a licensed service provider, with over 3,000 man-days of sustainability assurance work carried out across the UK, EU, USA and Middle East.
Compliance
Engagements conducted in accordance with ISO 14064-3, ISO 14068-1, ISAE 3000, ISAE 3410 and ISSA 5000 — aligned with ISO 17029 and ISO 14065 requirements for validation and verification bodies.
Confidence
A rigorous, risk-based methodology covering cutting edge verification, validation and assurance methods and tools ensuring dependable conclusions and opinions.
Services Snapshot
Comprehensive validation and assurance pathways mapped to international standards.
GHG Verification & Carbon Neutrality
Independent verification of Scope 1, 2 and 3 GHG inventories and project-level emission reductions.
Learn moreSustainability Report Assurance
Limited and reasonable assurance on non-financial disclosures, CSRD/ESRS data, and ESG metrics.
Learn moreSoftware & Digital Assurance
Verification of automated carbon accounting algorithms, ESG data platforms, and AI calculation engines.
Learn moreTraining & Capacity Building
Assurance skills development for practitioners and reporting teams preparing for verified sustainability disclosures.
Learn moreSustainability Consultancy
Strategy, reporting readiness, and climate risk assessments powered by our scenario analysis platforms.
Learn moreNumbers That Speak
Institutional-grade rigour built on global testing, inspection, and certification experience.
Engagements delivered for leading international groups across the UK, EU, USA and Middle East.
Formally qualified in ISO 14064-3, RTFO Lead Auditing, ISO 14001, ISO 20121, SA8000, and AA1000AS.
Regulated by AAT and licensed under AA1000 to perform computerised accounting, management reporting, and independent non-financial assurance.
Trusted by International Groups
Engagements delivered for leading organisations across key markets.
















































Ready to make your sustainability
claims stand up?
Speak to our lead verifiers about your verification or assurance requirement. We respond to all enquiries within two working days.