Arne Mielken

Arne Mielken

Managing Director at Customs Manager Ltd.
United Kingdom of Great Britain and Northern Ireland

Arne Mielken is Customs & Global Trade Leader with more than 20 years of experience:  "I’ve been a professional Customs and Global Trade Management Consultant & Trainer since 2011. Since 2020, I am the blessed to be the Managing Director of Customs Manager Ltd. I believe in maintaining a positive mindset, creating partnerships with a purpose, and always striving for significant outcomes. When you work with me, you should expect a collaboration with transparency and consistency. Want to learn more? Contact me today for an initial consultation".

Contact information

Content by Arne Mielken

UK CBAM explained: 2027 rules, compliance & practical guidance for importers

UK CBAM explained: 2027 rules, compliance & practical guidance for importers

Arne Mielken
Arne Mielken
29 Jun 2026

A concise briefing from Arne Mielken (Customs Manager Ltd) on the UK's forthcoming Carbon Border Adjustment Mechanism (CBAM), relevant to customs and trade compliance professionals preparing for the UK's own carbon border regime alongside the EU's. Topics covered: The rationale for UK CBAM and its planned 1 January 2027 start...

Sustainability
UK update: CDS, CBAM and beyond

UK update: CDS, CBAM and beyond

Arne Mielken
Arne Mielken
08 Apr 2026

A UK customs update for trade compliance professionals, covering the latest Customs Declaration Service (CDS) developments and a detailed briefing on the upcoming UK Carbon Border Adjustment Mechanism (CBAM). Topics covered Customs Declaration Service (CDS) release 510 and the recent declaration rejections caused by changed preference and origin data requirements...

Sustainability
UK CBAM: what customs professionals need to know

UK CBAM: what customs professionals need to know

Arne Mielken
Arne Mielken
17 Sep 2025

This article offers an overview of the UK Carbon Border Adjustment Mechanism (CBAM), due to be introduced in January 2027. It outlines the goods within scope, importer obligations, reporting requirements, and compliance risks, while also noting key differences from the EU CBAM. Practical insights are provided to support businesses in...

Sustainability
Topic spotlight
UK CBAM vs EU CBAM: What importers and businesses need to know

UK CBAM vs EU CBAM: What importers and businesses need to know

Arne Mielken
Arne Mielken
09 Sep 2025

The UK is introducing its own Carbon Border Adjustment Mechanism (CBAM), closely modelled on the EU system but with important differences in scope, calculation and compliance. This recording is essential viewing for customs and trade compliance professionals handling imports of carbon-intensive goods into the UK or EU. Topics covered: The...

Sustainability
"Unpacking" CBAM

"Unpacking" CBAM

Arne Mielken
Arne Mielken
27 Oct 2023

In this webinar recording, CustomsClear and Customs Manager Ltd. "unpack" one of the most practical challenges of the EU's Carbon Border Adjustment Mechanism (CBAM): who inside an importing company should be responsible for CBAM, and how to set up communication with third-country suppliers to obtain the emissions data needed for...

Sustainability
Carbon Border Adjustment Mechanism (CBAM): The Law

Carbon Border Adjustment Mechanism (CBAM): The Law

Arne Mielken
Arne Mielken
17 Oct 2023

This recording is Part 2 of the certificate course "CBAM & Practical Implementation in Companies", offering customs and trade compliance professionals a guided walkthrough of the legal texts underpinning the EU's Carbon Border Adjustment Mechanism (CBAM). Topics covered: The framework Regulation (EU) 2023/956: its objectives, structure, and key articles (registration...

Sustainability
CBAM & Practical Implementation in Companies

CBAM & Practical Implementation in Companies

Arne Mielken
Arne Mielken
17 Oct 2023

The video lectures are recorded lectures given during a live online training session on 6 October 2023. The slides are available in the resources. They were supplemented with further information after the training, taking into account questions asked by participants during the training (e.g. more details on reporting obligations for...

350
03h 04min 05sec
Basic
Web/Seminar recording
Sustainability
Quo Vadis: Green Customs?

Quo Vadis: Green Customs?

Arne Mielken
Arne Mielken
01 Jun 2023

In this conference presentation, Arne Mielken (Managing Director, Customs Manager Ltd.) asks where customs actually stands on environmental sustainability, arguing that "green customs" is not a new idea but a decades-old, often overlooked part of the profession's remit - and one that is only going to grow in importance for...

Sustainability
Inward processing in the UK: how a trivial compliance failure caused them to be taxed millions

Inward processing in the UK: how a trivial compliance failure caused them to be taxed millions

Arne Mielken
Arne Mielken
12 Feb 2023

When you realise that the biggest threat to your business is neither the competition nor international event risk, but a seemingly minor compliance failure, you will have read this case study: According to a recent tribunal judgement, even a seemingly trivial compliance failure, such as an error or discrepancy in...

Procedures
Compliance
Case law
Customs broker’s profession: views and news

Customs broker’s profession: views and news

Arne Mielken
Arne Mielken
24 Jul 2022

The previous article highlighted the role of the customs broker in checking compliance and lodging a customs declaration. There is much more that customs brokers do and/or can do in regard to adapting their services to meet the challenges of an ever-changing trading and regulatory environment. We share views and...

Profession
Topic spotlight

Popular courses

CBAM & Practical Implementation in Companies

CBAM & Practical Implementation in Companies

The video lectures are recorded lectures given during a live online training session on 6 October 2023. The slides are available in the resources. They were supplemented with further information after the training, taking into account questions asked by participants during the training (e.g. more details on reporting obligations for...

350
3h 4min
Basic
Sustainability

Popular articles

UK CBAM: what customs professionals need to know

UK CBAM: what customs professionals need to know

17 Sep 2025

This article offers an overview of the UK Carbon Border Adjustment Mechanism (CBAM), due to be introduced in January 2027. It outlines the goods within scope, importer obligations, reporting requirements, and compliance risks, while also noting key differences from the EU CBAM. Practical insights are provided to support businesses in...

Topic spotlight
Sustainability
Inward processing in the UK: how a trivial compliance failure caused them to be taxed millions

Inward processing in the UK: how a trivial compliance failure caused them to be taxed millions

12 Feb 2023

When you realise that the biggest threat to your business is neither the competition nor international event risk, but a seemingly minor compliance failure, you will have read this case study: According to a recent tribunal judgement, even a seemingly trivial compliance failure, such as an error or discrepancy in...

Case law
Procedures
Compliance