AEO and customs authorisations, handled end to end.

From full AEO status to a single authorisation like inward processing or customs warehousing, Gaston Schul handles the whole application, the manuals, the procedures, the project management. We hold AEO ourselves, so we know exactly what the authorities are looking for.


AEO authorised
ourselves, across our markets
Independent
and privately owned
Local teams
across Europe
180+ years
as customs and trade experts

AEO, and the wider authorisations you run on.

Authorised Economic Operator (AEO) is the EU's trusted-trader status: meet the standards customs sets for compliance, record-keeping, financial standing and security, and in return you get faster clearance, fewer checks and lighter guarantees. It is the credential most other customs simplifications are built on.

But AEO is one of several authorisations your operation may need. We also secure and maintain your customs warehousing, inward and outward processing (IPR/OPR), temporary admission, end-use, deferment and simplified-procedure authorisations, the approvals that suspend your duty, free up working capital and cut your declaration workload. Many of them build on AEO, and all of them run through one partner.

OUR SERVICES

Authorisations and licensing, handled for you.

Your forwarder files your declarations; Gaston Schul gets you authorised. As one independent, full-service partner, we run your AEO application and the wider customs authorisations your operation depends on, all under one operating model across Europe.

AEO application and audit

From readiness to approval. We assess your gaps, write the procedures customs expects, complete your self-assessment questionnaire, and run mock audits to stress-test your team first, so the real customs assessment holds no surprises.

Keeping your AEO valid

AEO does not stop at approval. If your status lapses, the simplifications, deferment guarantee waivers and special procedures built on it can fall with it. We monitor your conditions and handle the re-assessments, so your status, and the savings attached to it, holds year after yea

Customs warehousing, inward and outward processing

Your customs warehousing, inward processing (IPR) and outward processing (OPR) authorisations are applied for and maintained, the special procedures that suspend or relieve your duty.

Temporary admission and end-use

Bringing goods in temporarily, or for a specific authorised use? Your temporary admission and end-use authorisations are secured and run, so the duty is lowered or removed.

Deferment accounts and guarantees

Your duty deferment account and the comprehensive guarantee behind it are arranged, and your AEO is used to reduce or waive what you have to lodge.

Simplified declaration procedures

The simplifications that cut your declaration workload, simplified procedures and self-assessment, applied for and managed on your behalf.

THE CASE FOR AEO

Why AEO is worth the work.

AEO is the credential that makes the rest of customs easier, and increasingly the one big customers and logistics partners want to see before they work with you.

Faster clearance, fewer checks

AEO goods are lower-risk to customs, so they are selected for fewer document and physical checks, and clear faster when they are.

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Less cash held as security

AEOC lets you reduce or waive the comprehensive guarantee behind your deferment, transit and special procedures, which frees up working capital.

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A credential your customers ask for

Large buyers, retailers and logistics partners increasingly want the businesses they work with to hold AEO. Without it, you can be the supplier that slows the chain down, or the one that loses the contract.

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The foundation for simplifications

Most of the simplifications that save you time and duty, simplified declarations, self-assessment and faster procedures, are built on top of AEO.

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Gaston Schul

Gaston Schul's consultancy team helped our business grow and realise its full potential. Their experience ensured we took the right steps to get accredited in under a year.

Emma Atkins
Customs Manager, FF Customs & Logistics
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HOW WE GET YOU THERE

The same four phases behind every authorisation we run.

  • 1 Analysis and discovery

    We assess your processes and where you stand against the criteria: compliance, records, financial solvency and security. You get a clear gap list and a decision on which status fits, AEOC, AEOS or both.

  • 2 Develop and prepare

    We build the processes, controls and evidence, write the procedures and work instructions, complete the self-assessment questionnaire with you, and close the gaps before the application goes in.

  • 3 Apply and implement

    We lodge the application and manage the authority on your behalf, prepare you for the customs assessment with us beside you, and put the authorisation into practice once it is granted, training your staff.

  • 4 Final check and maintain

    A post-implementation review, around three months in, confirms it is working. Then your conditions are monitored, re-assessments handled, and your authorisation kept valid year after year.

  • 5 Want to know more?

RELATED SERVICES

Where your authorisations connect.

RESOURCES

GUIDES & DOWNLOADS

Downloadable guides, checklists, insights and tools delivered straight to your mailbox.

PDF Download

Download your Customs Licencing guide

GUIDES
PDF Download
Download your Customs Licencing guide

Customs & Trade. Controlled.

Gaston Schul does more than get you authorised. We connect it all and run it as one. That is what one full-service operating model gives you, across all your customs and trade in Europe: the clarity to see, the control to govern, and the confidence to decide.

GET IN TOUCH

From authorisation, licensing and AEO questions to clear answers.

Tell us where you are with AEO and your authorisations, and an expert will tell you exactly how we'll handle it. No obligation, just a clear answer from someone who holds AEO themselves.


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Gaston Schul

AEO FAQs

AEO and customs authorisations: frequently asked questions

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What is an Authorised Economic Operator (AEO)?

An Authorised Economic Operator is a business that customs has recognised as a trusted trader, one that meets agreed standards for compliance, record-keeping, financial standing and security. In return, AEO holders get faster clearance, fewer customs checks and reduced financial guarantees. Gaston Schul prepares the application and the procedures behind it, and we hold AEO ourselves.


What is the difference between AEOC, AEOS and AEOC/S?

AEOC (Customs Simplifications) gives you the customs and financial benefits, simplified procedures and reduced guarantees. AEOS (Safety and Security) gives you the supply-chain security benefits, priority and lighter security checks. Hold both and you have the combined AEOC/S. We help you choose the one that matches what your business actually does.

Do I need to be AEO?

It is not a legal requirement, but it is fast becoming an expectation. AEO makes your customs faster and cheaper, and more and more supply chains now ask their partners to hold it. If you import or export at any scale, the question is usually when, not whether.

What are the benefits of AEO?

Fewer document and physical checks, faster clearance, and reduced or waived guarantees on your deferment, transit and special procedures, so you hold less cash as security. It is also the foundation for most customs simplifications, and a credential customers increasingly look for.


How long does AEO certification take?

It depends on how ready you are. Once the application is lodged, the customs authority has a set assessment window, but the real work is the preparation beforehand. With our gap assessment first, the whole process usually runs over a few months, and we tell you the realistic timeline for your business up front.

What happens in the AEO audit?

The customs authority assesses your procedures, records and controls, usually with an on-site visit. We prepare you for exactly what they examine, and we are there with you on the day, so the assessment goes smoothly. After approval, the status is monitored and re-assessed over time, which we also handle.

Can you run the whole AEO application for us?

Yes, we run the project end to end: we assess your gaps, write the procedures, complete the self-assessment questionnaire, lodge the application, manage the authority and prepare you for the audit. The one part we cannot do for you is be your people: the auditor will want to speak to your warehouse, IT and finance leads directly. We keep that to the minimum and brief them fully, so the demand on your team is the operational input only they can give, not the administrative load.

Do you only do AEO, or other customs authorisations too?

Both. AEO is the headline, but we also arrange and maintain your deferment account and guarantees, inward and outward processing, customs warehousing, temporary admission, end-use, simplified procedures and import/export licences, the full set of authorisations your operation runs on.

Does our AEO work across Europe?

AEO is recognised EU-wide, and through mutual recognition agreements it is respected in several countries beyond the EU too. Because Gaston Schul works as one operating model across our markets, you have a single partner managing your authorisations wherever you trade.