Verification & Assurance
Independent assurance for sustainability and data integrity
Our verification and assurance services provide independent, credible confirmation of sustainability claims, carbon data, ESG disclosures and operational performance metrics — giving stakeholders the confidence they need to make informed decisions.
Turnaround
4–8 weeks (standard engagement)
Accreditations
ISO 14065 Accredited · UKAS · CDP Accredited Verifier · GRI Certified
Industries Served
Chemicals, Energy, Environment +3 more
Methodology
Scope & Criteria Agreement
We agree the verification scope, applicable standards, materiality thresholds and reporting boundary with the client.
Data Collection & Document Review
Primary data, supporting evidence and underlying calculations are collected and reviewed for completeness and accuracy.
Site Visits & Interviews
On-site visits and interviews with key personnel validate data collection processes and internal controls.
Risk-Based Testing
High-risk data points are subjected to detailed analytical testing and cross-referencing against independent sources.
Verification Statement
A formal verification statement is issued at the agreed assurance level (limited or reasonable), suitable for public disclosure.
ASTM, ISO & Regulatory Standards
Specification for Verification of GHG Assertions
ISO
Requirements for GHG Validation and Verification Bodies
ISO
Assurance Engagements Other Than Audits
IAASB
Global Reporting Initiative Sustainability Standards
GRI
Task Force on Climate-related Financial Disclosures
FSB
Carbon Disclosure Project Framework
CDP
What We Deliver
- GHG emissions verification (Scope 1, 2 & 3)
- Carbon footprint verification
- ESG report assurance (limited & reasonable)
- Sustainability claims verification
- Renewable energy certificate (REC) verification
- Supply chain sustainability audits
- TCFD disclosure review
- Science-Based Targets (SBTi) validation
Request a Quote
Tell us about your project and one of our verification & assurance specialists will respond within one business day.
Explore Other Services
Six disciplines covering every dimension of quality assurance.