Global Trade Live: Preparing for a customs audit

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Customs Audit Preparation and Post-audit Mitigation Support

Customs audits can be complex and stressful. Inadequate preparation often leads to compliance failures, operational disruption, and costly penalties. With HMRC increasing audit activity and tightening regulations, businesses face growing pressure to stay compliant and maintain control.

Now that CDS data is available for free from HMRC, audit expectations are likely to be even more stringent. This is the data that HMRC officers will be using when they audit you. 

Our Customs Audit Preparation and Post-Audit Mitigation Support service helps you take control. We provide a structured compliance framework that ensures accuracy, transparency, and readiness - reducing risk, minimising disruption, and positioning your business for trusted trader status through AEO accreditation. Dreading the prospect of an HMRC audit? We take out the anxiety. 

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How does it work?

We start with a comprehensive pre-audit health check to identify gaps in your customs processes. Next, we simulate HMRC audit scenarios to ensure readiness and develop corrective action plans where needed.

Post-audit, we support mitigation by closing compliance gaps and embedding robust controls. With ongoing advisory, digital integration, and continuous monitoring options, we help keep your operations compliant, resilient, and future-ready.

What you’ll receive

  • Comprehensive audit readiness with gap analysis and mock audits 
  • Targeted post-audit mitigation and corrective action plans 
  • Structured compliance framework aligned with HMRC and AEO standards 
  • Continuous improvement through monitoring, training, and expert support 

Who will benefit from our Customs Audit Preparation and Post-audit Mitigation Support?

Whatever your role is in international trade, our advisory services are invaluable across all areas of customs compliance. Our advisory services are particularly useful in the following industry sectors:

Third-Party Logistics Providers
Manufacturing
Retail and Consumer Goods
Food and Beverage
Importers and Exporters
Pharmaceuticals

FAQs

It reduces audit risk by identifying and addressing compliance gaps early - helping you stay prepared ahead of an HMRC audit. It keeps operations running smoothly during audits and minimises financial exposure by preventing duty/VAT errors, misclassification, and valuation issues that lead to penalties or back payments.

Preaudit health check: Comprehensive gap analysis across policies, data, controls, and supporting evidence.

Mock audit: HMRC style walkthrough, with sampling, and documentation testing to assess readiness.

Corrective action plan: Root cause analysis, control enhancements, SOP development, and targeted training.

Post audit mitigation: Address findings, quantify exposure, implement remedial actions, and retest controls.

Continuous monitoring (optional): Dashboards, customs intermediary oversight, and periodic internal reviews to maintain compliance.

  • Risk register with prioritised issues and owners

  • Audit trail & evidence pack (policies, SOPs, sample files, screenshots)

  • Corrective action plan with milestones and KPIs

  • Controls library (segregation of duties, access, review steps)

  • Training materials & quick reference checklists

  • Executive summary that quantifies risk reduction and financial protection (e.g., avoided penalties, reclaims)

No. We structure the process to be as light-touch as possible: short interviews, targeted sampling, and remote document reviews. Any on-site work is scheduled around your busiest periods. The goal is to maintain operational continuity and to not cause disruption.

We use a central standard supported by local adaptation. Core compliance requirements are defined centrally for consistency, while each site documents its specific variation. Our testing and evidence process is applied uniformly ensuring consistent regulatory assurance without compromising flexibility for local procedures.

A customs intermediary files entries, while your internal team manages day-to-day operations. We provide a structured audit-readiness and remediation framework that validates customs declarations, tests controls end-to-end - including classification, origin, valuation, and authorisations - and implements fixes with documented evidence. This gives you regulatory assurance beyond routine operations.

Discovery and health check - 2 - 3 weeks (depending on number of sites and volume to be audited).

Mock audit and reporting - 2 - 3 weeks.

Remediation and re-testing - 4 - 12 weeks (depending on complexity).

Work is phased to avoid operational disruption and focus first on high-risk, high-impact areas.

We measure: 

  • Audit outcomes: fewer findings and faster closure.

  • Customs clearance performance: reduced shipment delays and improved declaration accuracy.

  • Financial impact: lower exposure to assessments and penalties, successful reclaims, improved duty and/or VAT accuracy, and cycle time savings.

  • Control maturity: completion of corrective actions, adherence rates, and exception trends.

Yes. Audit cycles and random checks are increasing, and retrospective lookbacks can run up to several years. Proactive readiness materially reduces exposure and typically costs less than reacting to findings—delivering risk reduction and financial protection.

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To find out more about our Customs Audit Preparation and Post-audit Mitigation Support please complete this form. We'll be in touch to discuss your needs.

📞 New enquiries

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+44 (0)1733 404 410

Mon-Fri 9am-5pm, Saturday 10am-4pm (excl. bank holidays).

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+44 (0)1733 404 400

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