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VAT registration and filing

Hassle-free UK and EU VAT management

Sales tax registration and filing

Navigate US sales tax smoothly

Extended Producer Responsibility

Keep your business green and compliant

Customs, imports and exports

Trade seamlessly across borders with efficient customs clearance

OSS/IOSS registration

Easily expand to the EU

FAQs

What's the difference between OSS and IOSS?

What is postponed VAT accounting?

How do I navigate a VAT audit?

What is the Amazon Pan-European FBA programme?

Browse by location

Selling in the US

Navigate US expansion effortlessly - from tax compliance to logistics, trust us to guide your success

Selling in the UK/EU

With solutions from VAT to EPR, let’s make your UK/EU expansion dreams a reality, together

Selling in the ROW

Successfully sell in diverse markets and stay compliant no matter where you're selling

Resources

AVASK News & Blog

The latest news from in and around the world of e-commerce

Global VAT Guides

Complete VAT guides on major e-commerce markets around the world

The Online Hustle Podcast

Fascinating stories from some of the biggest brands in e-commerce

FAQs

Have questions? Check out the AVASK Help Centre for answers to common queries and onboarding information.

Fresh off the press

UK-India Free Trade Agreement: 6 potential benefits for e-commerce sellers

The UK-India Free Trade Agreement (FTA), signed in May 2025, has been celebrated by the UK government as a ‘landmark...

Tariffs may be here to stay: China-US shippers, here’s 4 ways to stay ahead

Current news has made it clear that many of President Donald Trump’s administration's current global tariffs are politically motivated and...

About

About Us

Learn what makes AVASK different

Client Journey

Six steps to get you selling

Client Portal

Streamline your VAT compliance

Join us

Become a partner

Align your business with one of the premium compliance solutions for e-commerce sellers

Partners

Our extensive partnership network is designed to help link our clients to like-minded businesses

Careers

Explore global e-commerce opportunities in tax and accountancy.

What our clients say

“AVASK will deliver what you want them to deliver. The team are diligent, professional and extremely customer focused. I would highly recommend AVASK to any company.”

John McBride | Heating Parts Warehouse

“Partnering with AVASK has significantly streamlined our VAT handling process, allowing us to redirect our focus towards the growth and development of our business.”