Richard Cornelisse


In Tax News on 01/10/2012 at 12:59 pm


  • Combination of tax and business consultancy
  • Specialist areas: business control, information technology, and indirect tax performance
  • Founding partners originate from Ernst & Young and Shell International

Amsterdam, October 1, 2012 – Today, two former partners of Ernst & Young and the Indirect Tax System and Technology Leader of Shell launched the KEY Group.

The three founding partners define the KEY Group as a ’boutique firm’: a small, specialized, independently operating consultancy firm that mainly focuses on business control, information technology, and indirect tax.

The KEY Group integrates these three areas of expertise into pragmatic solutions for clients. The KEY Group is established in Het Poortgebouw in Schiphol-Rijk.

The three founding partners believe in direct involvement with their clients and in the assignments they perform for them. Richard Cornelisse, managing director of the KEY Group: 

“All three of us come from multinational companies, where we worked on very challenging projects and clients.Yet, much of our work lacked direct involvement with the clients.

With the KEY Group, we are returning to the roots of our work, in which we solve the clients’ problems one-on-one. With short lines, no overhead, and in direct contact with the clients’ business. At the same time, we do bring the knowledge and experience accumulated at a Big 4 firm and at one of the largest multinationals in the world to the table. 

We believe that the combination of our personal involvement and in-depth knowledge of issues concerning business control, IT, and indirect tax is a considerable asset for our clients.”

The three founding partners of the KEY Group have more than earned their spurs in accountancy and business consulting.

Arjan Hassing MSc, CPA, CISA was an IT Risk and Assurance Partner at Ernst & Young in the Netherlands and Belgium. Before that, he worked at Deloitte as a financial auditor. Hassing teaches the subject of Internal Control and is also an examiner for that subject at Tilburg University. He is considered to be an expert in the field of statistical sampling and data analysis.

Richard Cornelisse LL.M was an Indirect Tax Partner at Ernst & Young and was in charge of the Indirect Tax Performance Advisory Practice in the Netherlands and Belgium. Cornelisse assists medium-sized and large companies in improving the efficiency and effectiveness of their Tax Function and Tax Control Framework. He has authored several articles on Global Indirect Tax Management in specialized professional journals, among other publications.

For 10 years, Robbert Hoogeveen MSc, CPA was the Indirect Tax System and Technology Leader at Shell International. Prior to that period, Hoogeveen worked as an IT Auditor for the Dutch Tax Authorities for 11 years. Hoogeveen is specialized in the design of solutions in which tax requirements, business processes, and systems functionality are integrated, the implementation and the assessment of VAT functionality in SAP and/or tax engines, the design of VAT return processes, and the audit of indirect taxes by means of statistical sampling and data analysis.


For more information:

Richard Cornelisse

Phone: +31 20 658 6344

Fax: +31 20 658 6111

Mobile: +31 653 99 4874




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