About us


AVASK is all about our clients, and it has been since the company was founded in 2012
by Dr Angelos Katsaris and Melanie Shabangu.

Our company timeline...


  • AVASK was founded in Richmond, London in 2012

    2012

    AVASK is founded and opens its new offices in Richmond-on-Thames in London, United Kingdom.

  • AVASK opens its second offivce in the Maritime City of Southampton in Hampshire, UK

    2013

    AVASK opens a second office in Southampton, Hampshire, UK. In the same year, the company starts working with Amazon.

  • AVASK joins forces with Amazon as an official tax partner

    2014

    AVASK joins Amazon SPN as an official external tax advisor.

  • AVASK Accounting & Business Consultants operate close to the Arc de Triomphe in Paris, France

    2015

    AVASK opens new offices in Los Angeles (USA), Paris (France) and Frankfurt (Germany). The company attends its first Amazon event.

  • AVASK Accounting & Business Consultants operate in Shenzhen China

    2016

    AVASK establishes a new office in Spain and satellite offices in Poland and the Czech Republic. AVASK also continues its global expansion and opens its first office in Shenzhen, China.

  • AVASK Accounting & Business Consultants visited Amazon HQ in Seattle, Washington, USA.

    2017

    AVASK is invited by Amazon to attend two events in China. Later in the year, AVASK is invited to meet the Amazon Team in Seattle, Washington (USA).

  • AVASK Accounting & Busines Consultants open a new office in Australia.

    2018

    AVASK continues to expand globally, opening new offices in Australia, Xiamen (China) and Dubai (UAE). AVASK is also proud to join Amazon’s PAN-EU programme as an official tax partner.

  • AVASK Accounting & Business Consultants open their new global headquarters in Southampton, UK

    2019

    AVASK opens a new global headquarters in Central Southampton, Hampshire, UK. The company also opens a new satellite office in Finland.

  • AVASK Group Icon

    2020

    AVASK continues to grow and expand into new marketplaces, assisting e-commerce business to expand globally. At the beginning of 2020, AVASK encorporated two new subsidiaries, AVASK IT Services and AVASK Software Services.

About AVASK


We are AVASK, an international firm of chartered accountants and tax experts with a well-reputed specialism in global e-commerce expansion, international taxation, accountancy and business consultancy and advisory services.

AVASK Accounting & Business Consultants work with the most outstanding and proactive professionals to deliver excellent value for more than 8,000 e-commerce sellers and companies across the world. We have a presence in the UK, Europe, the USA, UAE, China and Australia and our collective eyes are set on the horizon looking for new marketplaces and opportunities to enhance and enable our clients’ businesses to flourish and grow.


AVASK Accounting & Business Consultants new global headquarters in the heart of Central Southampton, Hampshire, UK


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From day one, our ethos has been built around creating long-term relationships, and we are committed to offering concise and professional advice with our customer obsessed team.
Dr Angelos Katsaris. Partner



AVASK Accounting & Business Consultants new global headquarters in the heart of Central Southampton, Hampshire, UK

Our drive and ambition are focussed solely on building success through cross-border activities by delivering clear and simple advice and devising new strategies that will ensure growth and development.

AVASK knows that understanding indirect tax obligations in the global marketplaces can be a daunting task and a littered minefield, which is why we employ the best consultants and tax experts who are solely focussed on eliminating those tax issues and allowing you to focus on your primary concern: running your business.

We further believe in building strong client relationships and personally tailoring solutions to help our clients reach their business goals and objectives. The whole AVASK team is completely committed to providing clients’ businesses with highest quality of service and a highly entrepreneurial mindset.

Our team are also fluent in many of the world’s languages, including English, French, German, Spanish, Italian, Greek, Russian and Polish, along with Arabic, Mandarin and Cantonese.

We are proud to celebrate that our customers are at the heart of everything that we do, which is why our mantra is:

What matters to you, matters to us...