Auditing
We develop creative, comprehensive, and sustainable engineering solutions for a future where society can thrive.
What we do
Independent Assurance To Build Trust and Improve Performance
We conduct internal, supplier and second-party audits against regulatory and voluntary schemes, providing clear findings and practical corrective actions.
auditing
Independent Insight Across Internal Reviews, Supplier Assurance, and Internal Auditing
Our team ensures your biofuel meets both market expectations and regulatory requirements. From feedstock verification to chain-of-custody management and GHG calculations, we provide hands-on guidance, robust procedures, and audit-ready documentation so your products are compliant, traceable, and trusted by customers and regulators alike.
biofuel
What We Deliver
Internal Audits
Identify gaps against regulatory or scheme requirements with clear, practical findings.
Supplier Audits
Assess ethical, environmental, and chain-of-custody compliance across your supply chain.
Corrective Actions
Develop and verify CAPA plans that resolve issues and prevent recurrence.
Auditor Training
Prepare teams with audit-readiness coaching and practical skills development.
Continuous Improvement
Track performance with dashboards and KPIs that drive ongoing compliance.
Standards & Frameworks
RED II/III (EU Renewable Energy Directive), UK RTFO, ISO 14064 (GHG), ISO 14040/44 (LCA), ISO/IEC 22095 (Chain of Custody), ISCC EU/ISCC PLUS, RSB, REDcert.
ISCC
Implementation support for ISCC EU/PLUS (e.g., mass balance, GHG evidence, claims) in line with scheme system documents and logos/claims rules where licensed.
RSB (Roundtable on Sustainable Biomaterials)
Practical alignment to RSB sustainability and chain-of-custody requirements, including claims use per RSB procedures.
EU Renewable Energy Directive (RED II / RED III)
Systems and evidence aligned to EU sustainability/GHG criteria (including Annex IX); where required, we support Union Database (UDB) process setup.
UK RTFO (Renewable Transport Fuel Obligation)
Traceability, mass-balance and evidence packs prepared to meet UK transport-fuel sustainability requirements and obligated-party expectations.
CORSIA (ICAO)
Advisory on sustainability and chain-of-custody requirements for aviation fuels and how they differ from EU RED.
RFAS (Renewable Fuels Assurance Scheme)
Support to meet RFAS requirements verifying renewable fuel GHG savings and feedstock provenance for UK fleets, complementary to the RTFO.
RFAS Fleet
Chain-of-custody support for fleet operators using low-carbon fuels, enabling customer GHG declarations with traceable evidence.
Motorsport sustainable-fuel initiatives
Technical support for methodology, documentation and audit-readiness where motorsport bodies are adopting certified/sustainable fuels.
Other Options We Support
FSC® (Forest Stewardship Council)
FSC® Chain of Custody implementation and audit-readiness; any FSC® trademark use follows the owner’s licensing and trademark rules.
PEFC™
PEFC™ Chain of Custody alignment and, where authorised, accurate use of trademarks per PEFC™ rules.
RSPO® (Roundtable on Sustainable Palm Oil)
Support for RSPO® supply-chain models and compliant market claims/labels under RSPO® rules.
Bonsucro®
Bonsucro® Chain of Custody implementation with claims and labelling handled per Bonsucro’s® published rules.
Standards & Frameworks
ISO 19011 (Auditing), ISO/IEC 17021/17065 (Certification principles), ISO/IEC 22095 (Chain of Custody), scheme-specific audit protocols (e.g., ISCC, RSB, RSPO, FSC/PEFC where applicable).
auditing
Frequently Asked Questions
What should we expect in initial vs surveillance audits, and what evidence is typically requested under ISCC/REDcert/RSB?
Initial audits verify system design and implementation across the full scope; surveillance audits confirm ongoing effectiveness. Auditors typically sample mass‑balance ledgers, GHG files, supplier/customer declarations, training records, and transaction trails against scheme clauses.
What are common major/minor non‑conformities in documentation, mass‑balance ledgers and GHG files and how can they be prevented?
Frequent findings include missing or inconsistent records, inadequate chain‑of‑custody controls, and unsupported GHG inputs. Prevent by using controlled templates, clear responsibilities, routine internal checks and timely corrections.
What are common UDB/PoS errors that cause compliance issues?
Mismatched consignment attributes, late or duplicate entries, and incorrect cancellations are typical problems. Use reconciliations between physical movements, mass‑balance and UDB/PoS records to detect issues early.
Typical implementation timeline and pre‑audit readiness steps before an initial certification audit.
Plan a short internal gap‑check or mock audit against scheme clauses, remediate gaps, and verify that ledgers, GHG files and declarations are complete and consistent. Ensure staff can explain processes and show evidence on request.
How do you handle independence if you also perform third-party audits for Certification Bodies?
We keep strict role separation: we do not consult the same client/site we audit, run conflict-of-interest checks, and apply documented impartiality controls (e.g., approvals, oversight, and cooling-off where required) in line with ISO/IEC 17021-1 (management systems) and ISO/IEC 17065 (product/process/service certification).
What are the benefits of using a consultant for internal auditing?
You don’t need a consultant to run internal audits but using one can add objectivity and speed, bring a ready-made audit plan with risk-based sampling and evidence checklists, apply deeper tests to traceability, mass balance and GHG files, and produce clearer, defensible findings that cut repeat non-conformities; you also gain on-the-job coaching for your staff and short-term capacity when deadlines are tight or scopes change.