Customs & Import Duties in Guernsey | Rates & Rules

Understanding Customs and Import Duties in GuernseyCopy link to section

Customs and import duties in Guernsey are levied on goods entering the Bailiwick from outside its customs bloc, so this is not a zero-duty territory for international trade. Two distinct charges apply: Import Duty, also called Customs Duty, which is assessed on imported goods under the relevant customs law, and Excise Duty, which falls on alcohol, tobacco and certain fuels whether imported or manufactured locally. The full schedule of rates is published by the States of Guernsey.

The Bailiwick does not operate a VAT or Goods and Services Tax, so import duty and excise duty stand as the principal indirect taxes on goods crossing its border. Excise rates are set by the States of Guernsey in line with local government requirements and reviewed annually at budget time, usually in October. Those rates cover Guernsey and Alderney, while Sark sets its own through the Chief Pleas.

This article explains how duty is charged, valued, cleared and relieved, and what foreign-owned businesses should expect when shipping goods in. It is most relevant to overseas owners, investors and their advisers who plan to import into the Bailiwick or supply customers there.

The Legal Basis for Guernsey's Customs FrameworkCopy link to section

The governing statute is the Customs and Excise (General Provisions) (Bailiwick of Guernsey) Law, 1972, as amended. Under it, Customs and Excise may detain any item brought into the Bailiwick for examination or to collect duty, and the seizure powers it grants are very wide, reaching all "customs assigned matters."

Tariff rates themselves come from a separate instrument. The Import Duties (Tariff and Related Provisions) (Bailiwick of Guernsey) Ordinance, 2019 establishes the UK Global Tariff locally, so UK provisions imposing or amending customs tariffs take effect in the Bailiwick as they have effect in the United Kingdom from time to time.

Valuation rules are set out in the Methods of Valuation (Import Duty) Regulations, 2019, which fix six permissible methods for arriving at a customs value. The general rule, transaction value, derives from the Customs and Cross-Border Trade (General and Enabling Provisions) (Bailiwick of Guernsey) Law, 2018.

A high-level Customs Arrangement signed in November 2018 formed a joint customs union between the UK, the Channel Islands and the Isle of Man, coming into force on 1 January 2021. Under that Arrangement, the local government must keep its customs law correspondent with UK customs law and legislate whenever UK law changes. Courts must also have due regard to relevant UK court decisions when interpreting correspondent provisions.

Company Incorporation in Guernsey

Set up your company in Guernsey with Expanship handling registration end to end.

Learn more

Guernsey's Position Outside the European Union Customs UnionCopy link to section

Before 2021, the Channel Islands sat inside the EU's customs territory through Protocol 3 to the UK's Act of Accession 1972, without being part of the European Union itself. That relationship ended effective 1 January 2021. The islands are not within the fiscal territory of the EU, and the Community Regulations governing excise duties do not apply.

In their place came the Customs Arrangement signed on 26 November 2018 by the Bailiwick, the UK, Jersey and the Isle of Man, effective 1 January 2021. It allows tariff-free movement of goods across the four territories and applies a common external tariff to trade with countries outside the union.

For movements of chargeable goods between the UK and the Bailiwick under this Arrangement, the duty rate is nil, and such movements are free of quantitative restrictions, subject to permitted exceptions. One distinction matters for planning: the Bailiwick lies outside the UK's fiscal territory for VAT and excise purposes, so certain goods still attract excise duty on import even when they come from the UK, Jersey or the Isle of Man.

Import Duty Rates and Tariff Classification on Goods Entering GuernseyCopy link to section

The UK Global Tariff applies to goods imported from anywhere other than the UK, Jersey or the Isle of Man. What you pay turns on three things: the commodity code, the customs value of the goods, and the declared origin. Each distinct product needs a 10-digit commodity code on the customs declaration.

Rates run across a wide band. Books carry 0%, Wellington boots reach 17%, and some categories climb as high as 22%, while many electronics enter free of duty.

Anti-dumping measures can add substantial cost on top of the headline rate, as the bicycle example shows. There is no minimum duty-free threshold for commercial imports, so every shipment is dutiable regardless of value.

Goods from the EU are potentially liable to import duty, but EU-origin goods may attract preferential rates, in most cases zero, where they genuinely originate in the EU under Rules of Origin. Goods merely dispatched from an EU country that fail those rules remain fully dutiable. Preferential treatment also extends to goods from countries covered by UK Free Trade Agreements, listed in Schedule 1 of the Customs Tariff (Preferential Trade Arrangements) (EU Exit) Regulations 2020 (UKSI 1457/2020), which apply to the Bailiwick.

Ongoing Compliance in Guernsey

Keep your Guernsey entity compliant with filings, returns, and statutory obligations.

Learn more

Customs Valuation Methods for Imported GoodsCopy link to section

Where goods are liable to duty, you must calculate and declare a customs value, because duty is generally charged as a percentage of that value, known as ad valorem duty. The value must be stated in sterling, with foreign-currency amounts converted at HMRC exchange rates, which are revised monthly.

Six valuation methods exist and must be applied in sequence. Method 1, transaction value, covers most imports and is defined as the total amount payable for the goods or payable in connection with their importation.

The transaction value must include transport, insurance, loading and handling costs for delivery to the Bailiwick, and selling commissions and other costs may also need to be added. Delivery costs incurred within the Bailiwick, the UK, Jersey or the Isle of Man may be deducted where shown separately. In practice the Bailiwick uses the CIF basis, so duty rests on the value of the goods plus shipping to the territory.

The States of Guernsey publishes a worked formula for this, available alongside its goods valuation guidance: value of goods plus shipping cost from origin to the first port of call in the customs territory, multiplied by the duty rate, gives the duty payable.

Exemptions, Reliefs, and Concessions on ImportsCopy link to section

Goods imported directly from the UK, Jersey or the Isle of Man carry no customs duty where they were wholly obtained in those territories, or where all liability on their earlier import has already been discharged. Preferential rates, often zero, apply to goods originating in FTA partner countries and to qualifying EU-origin goods arriving from the EU.

Travellers bringing goods for personal use have set allowances. The general allowance is £390 on a commercial air or sea service and £270 by private aircraft or private vessel. Exceed the threshold and duty applies to the full value, not merely the excess.

Tobacco and alcohol carry their own limits:

• 200 cigarettes, or 100 cigarillos, or 50 cigars, or 250g of other tobacco
• 1 litre of spirits over 22% volume, or 2 litres under 22% (including fortified or sparkling wine)
• 4 litres of still table wine
• 50 litres of beer or cider

Further relief exists at the discretion of the authorities. The Customs Board may provide by order for relief on categories of goods it sees fit, and a drawback, meaning a repayment of duty, is available where the importer returns or destroys the goods.

One administrative concession eases low-risk trade: goods from the UK, Jersey or the Isle of Man that are clearly in free circulation do not need a full electronic declaration, unless they are excise goods such as alcohol, tobacco or fuel, or subject to a prohibition or restriction.

Guernsey Incorporation Pricing

See transparent pricing to incorporate and maintain a company in Guernsey.

View pricing

The Import Clearance Process and Documentation RequirementsCopy link to section

The Guernsey Customs and Immigration Service (GCIS) is the responsible authority, organised into three divisions: Customs and Excise, Border Enforcement, and Immigration and Nationality. The clearance route depends on whether goods come from inside or outside the customs union and whether they are accompanied.

For goods arriving directly from outside the union, or in transit without having cleared customs in the UK, Jersey or the Isle of Man, a full declaration is required. Unaccompanied consignments go through the Guernsey Electronic Manifest System (GEMS); accompanied goods are declared via the Passenger Payment Portal at a Customs Red point, located at the harbour, airport, Detection Branch Headquarters and the Customs and Excise office at the New Jetty.

Every unaccompanied import from outside the customs territory needs three things:

1. Declaration of all individual items
2. A unique commodity code for each item
3. Proof of origin under the Rules of Origin

You may lodge a declaration up to seven days before the goods arrive; once the consignment is manifested in GEMS, the declaration and consignment are matched, subject to licences, invoices, proof of origin and either payment or deferral of duty. Most importers appoint a customs agent, courier or freight forwarder to file on their behalf.

Carriers must supply advance information through Entry Summary Declarations (ENS) for goods brought in from places other than the UK, Jersey or the Isle of Man, pre-notified ahead of arrival. If you wish to defer duty, you must hold a financial guarantee from a bank or equivalent institution covering the unpaid amount. Where insufficient information is provided, customs may detain the goods for examination or to collect duty.

Prohibited and Restricted Goods at the Guernsey BorderCopy link to section

Certain goods are absolutely prohibited regardless of origin and will be seized, with prosecution possible for those carrying them. These include illegal drugs, offensive weapons such as flick knives, butterfly knives, knuckledusters and throwing stars, self-defence sprays including pepper spray and CS gas, and indecent or obscene material.

A second category is restricted rather than banned, admitted only with the correct licence or permit obtained in advance. The prohibited and restricted goods list covers items such as certain pesticides and glyphosate-based weedkillers, endangered species and products made from them under CITES, including fur, ivory and reptile leather, and meat, dairy, fish and other products of animal origin.

Live animals, food of animal origin and plants face Sanitary and Phytosanitary (SPS) controls, so both health and plant-health requirements must be satisfied before import or export. Before bringing in animals, confirm they appear on the general import licence or, if not, obtain a specific individual licence first.

Practical Implications for Companies and Investors Importing into GuernseyCopy link to section

For a foreign-owned business, the central question is where the goods originate. Importing directly from outside the customs union means filing an electronic declaration through GEMS and paying the relevant tariff; goods clearly in free circulation from the UK, Jersey or the Isle of Man carry no such requirement.

The absence of VAT or GST measurably lowers the indirect tax cost of importing here compared with most jurisdictions, since no consumption tax is added to imported goods at the date of research. Because the Bailiwick applies the UK Global Tariff to third-country trade, you can use UK tariff tools to estimate duty during planning.

Two features help businesses manage cross-border movements:

• Inclusion in UK Free Trade Agreements, so importers of goods originating in FTA partner countries may claim preferential, reduced or zero, rates
• Participation in the Common Transit Convention (CTC), which lets goods travel under duty suspension through signatory countries, with duty payable only at destination; CTC movements can begin and end in the Bailiwick

Specific licences or supporting documents may be needed for particular goods, and given the technical demands of declarations, most firms engage customs agents. Such agents are not endorsed by Customs and Excise, so the choice and the responsibility rest with the importer.

The Outlook for Customs and Import Duties in GuernseyCopy link to section

The most significant change on the horizon is a consumption tax. The States approved the introduction of a Goods and Services Tax from 2027, a proposal carried in the 2025 Budget, which would for the first time add a tax layer on imported goods and alter the total indirect cost of importing.

On the tariff side, the Bailiwick is contractually bound to keep its customs law correspondent with UK customs law and to legislate whenever the UK changes. Any future UK tariff reform, whether a new trade agreement or a revised schedule, will therefore flow through automatically.

That linkage cuts both ways for importers. New or updated FTAs concluded by the UK and listed in Schedule 1 of UKSI 1457/2020 extend to the Bailiwick and will shape applicable preferential rates over time. No public data points to autonomous changes to the local tariff schedule beyond GST; the working assumption is that the tariff stays mirrored to the UK Global Tariff pending any new direction from the States.

ConclusionCopy link to section

For a foreign business owner, the real question this topic raises is not whether Guernsey's import framework is burdensome in the abstract, but whether the tariff classification of your specific goods, combined with the reliefs your business can legitimately claim, produces a landed cost you can plan around with confidence. That calculation, specific to your product category and supply chain, is what should drive the compliance conversation before goods ever reach the border.

Getting that calculation wrong, or overlooking a documentation requirement, can turn an otherwise sound trading structure into one carrying avoidable cost and delay. The concrete next step is to map your intended imports against Guernsey's tariff classifications and available reliefs before committing to a structure, not after.

How Expanship Can Help Your Business in GuernseyCopy link to section

Expanship supports overseas owners in classifying goods, calculating customs value, preparing GEMS declarations and claiming preferential rates or reliefs, while also handling the wider obligations a foreign-owned entity faces in the Bailiwick. Our work spans formation through to day-to-day compliance, so customs matters sit within a single coordinated service rather than standing alone.

• Company incorporation and structuring for non-resident owners
• Registered agent and registered office provision
• Tax registration and filing, including readiness for the 2027 GST
• Ongoing compliance management and statutory deadlines
• Accounting and bookkeeping aligned with customs records
• Introductions to banking partners

To discuss importing or maintaining a compliant entity, contact Expanship Guernsey.

Frequently Asked QuestionsCopy link to section