International trade with the United Kingdom requires businesses to comply with customs regulations for both imports and exports. Since Brexit, customs formalities have become an essential part of moving goods between the UK, the European Union and the rest of the world.
A professional Customs Broker UK helps businesses manage customs declarations, comply with HMRC requirements and ensure goods move efficiently through the border process. By working with a customs broker, importers, exporters and transport operators can reduce delays, avoid unnecessary costs and maintain compliance with UK customs legislation.
In this guide, we explain how customs clearance works in the United Kingdom, how the CDS system operates and how a UK customs broker supports international trade.
What Does a Customs Broker in the UK Do?
A customs broker acts as a specialist intermediary between businesses and HMRC. Their role is to prepare customs declarations, verify customs data and ensure compliance with UK customs regulations.
In practice, the process starts when an importer, exporter or logistics provider submits shipment information electronically. This usually includes commercial invoices, transport details and product information. The customs broker reviews the data and prepares the required customs declarations.
One of the most important responsibilities of a customs broker is ensuring that goods are classified correctly. Commodity codes influence customs duties, taxes, restrictions and licensing requirements. Therefore, accurate classification is essential for smooth customs clearance.
In addition, customs brokers verify customs values, countries of origin, Incoterms and other declaration data before submitting information to HMRC.
Because customs declarations are submitted electronically, businesses can manage customs formalities quickly and efficiently without relying on paper documentation.
Customs Broker UK and the CDS System
The Customs Declaration Service (CDS) is the system used by HMRC to process customs declarations in the United Kingdom. Today, CDS handles both import and export customs declarations and serves as the primary platform for customs communication.
A customs broker prepares declarations using information supplied by the trader and submits them electronically through CDS. The system then processes the declaration and returns messages confirming acceptance, customs checks or release of goods.
Customs declarations include information such as:
- EORI numbers,
- commodity codes,
- customs values,
- country of origin,
- customs procedures,
- transport information.
The system uses EORI numbers to identify businesses involved in the transaction. Therefore, it is important to keep EORI registration details accurate and up to date.
If you need more information about EORI registration, you can read our guide here:
https://simpleduty.co.uk/eori-number-in-the-uk
Based on the submitted data, HMRC can verify restrictions, licensing requirements and compliance obligations. At the same time, CDS calculates customs duties and taxes where applicable.
How UK Customs Clearance Works
Whether goods are entering or leaving the United Kingdom, customs clearance follows a structured electronic process.
Preparing Customs Information
The process begins when the trader provides shipment information electronically. The customs broker reviews the data and checks classification, customs value, origin and other declaration requirements.
Submitting Customs Declarations
Once the information has been verified, the customs broker submits the declaration through CDS. HMRC then assesses the declaration and determines whether any further checks are required.
Safety and Security Requirements
In some cases, businesses must also comply with safety and security requirements. These obligations operate separately from customs declarations.
For shipments entering the European Union, Entry Summary Declarations (ENS) are increasingly important under the ICS2 system.
You can learn more here:
For UK safety and security requirements, see:
Import Customs Clearance in the UK
When goods arrive in the United Kingdom, customs systems match transport data with the submitted declaration.
If HMRC is satisfied with the information provided, the goods are released for circulation in the UK market. The importer can then receive, store or distribute the goods.
Export Customs Clearance from the UK
For exports, CDS generates an MRN (Movement Reference Number) that identifies the export declaration.
The exporter presents the goods for export and, once the process is completed, receives electronic confirmation that the goods have left the United Kingdom.
Why Businesses Use a UK Customs Broker
Although customs processes are digital, customs compliance remains complex. Businesses use customs brokers because they provide expertise and reduce operational risks.
Reduce Delays at the Border
Accurate customs declarations reduce the likelihood of customs delays, additional inspections and requests for clarification.
Ensure Compliance with HMRC Requirements
Customs regulations change regularly. A customs broker helps businesses remain compliant with current HMRC requirements.
Support for Imports and Exports
Many businesses import and export goods simultaneously. A customs broker helps maintain consistency across both processes and ensures declarations are completed correctly.
Assistance with ENS and Transit Declarations
Customs clearance often involves more than standard import or export declarations. Businesses may also require support with ENS declarations, transit procedures and other customs formalities.
Simple Duty Ltd – UK Customs Broker for Importers and Exporters
Simple Duty Ltd supports businesses moving goods between the United Kingdom, the European Union and third countries.
We specialise in:
- Import Customs Clearance
- Export Customs Clearance
- Transit Declarations
- ENS Declarations
- UK EORI Support
- CDS Customs Declarations
Our advantage is that we operate on both sides of the UK–EU border.
In the United Kingdom, customs services are provided by Simple Duty Ltd. Within the European Union, customs formalities are handled by Proste Cło Sp. z o.o.
As a result, our clients benefit from coordinated customs support in both jurisdictions. Businesses do not need to work with multiple customs providers when moving goods between the UK and the EU.
In addition to UK customs systems, our EU team has access to customs systems used by several European Union member states. This allows us to support a wide range of customs procedures throughout Europe.
Frequently Asked Questions
Do I Need a Customs Broker in the UK?
No. However, most businesses choose to work with a customs broker because customs procedures can be complex and mistakes may result in delays or additional costs.
What Is CDS?
CDS (Customs Declaration Service) is the HMRC platform used to process customs declarations in the United Kingdom.
How Long Does UK Customs Clearance Take?
The time required depends on the type of goods, the accuracy of the declaration and whether customs inspections are required.
Do I Need a UK EORI Number?
In most cases, yes. Businesses involved in customs procedures usually require an EORI number to be identified within customs systems.
What Is an ENS Declaration?
An ENS (Entry Summary Declaration) is a safety and security declaration used for risk assessment before goods arrive at the border.
Can One Company Handle Customs Formalities in Both the UK and the EU?
Yes. Some customs providers operate on both sides of the border and can coordinate customs formalities in the United Kingdom and the European Union.
How Do I Choose a UK Customs Broker?
Look for a customs broker with experience in CDS declarations, import and export procedures, transit operations and safety and security requirements. Businesses trading regularly between the UK and the EU may also benefit from working with a provider that operates in both jurisdictions.
Need Help with UK Customs Clearance?
Simple Duty Ltd provides customs clearance services for imports, exports, transit movements and ENS declarations.
Together with Proste Cło Sp. z o.o., we support businesses on both sides of the UK–EU border and help ensure customs compliance throughout the supply chain.
Contact us:
