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About us

Certicus ltd. originates from a Big Four audit firm and is founded in 2004 in the Netherlands as Conclude Accountants BV. The result of our Big Four background, is that we work in accordance with the highest professional standards and that we have experience in working with tight deadlines and deliver quality. Professionalism combined with a personal and serivce oriented approach.

In our opinion, effective project management, our experience with implementing risk management frameworks in your industry, and professionalism are the basis for excellent results and our position as market leader in the European assurance market.

We are a smaller sized company, but we live by the quality and service we deliver. We always try harder to meet our clients’ needs. As a consequence of our flat structure and efficient communication framework we can respond quickly to any requirements of our Clients.

Why Certicus?

Excellent results, distinctive approach

Our approach

Our approach for both ISAE 3402 | SOC1 and ISAE 3000 | SOC2 audits comprises of an intensive automated audit workflow based on our SOCassurance™ solution, continuous improvement of your-, and our processes and customer excellence in everything we do. This approach is summarized in underlying figure.

ISAE 3402 philosophy
Audit automation

Certicus developed an audit workflow management and auditfile storage system based on cutting edge technologies with security systems based on artificial intelligence (AI) and the CloudLinux platform.

Process improvement

Best practice development and client advisory proces is the heart of our approach. After each audit period we provide a Progress and Improvement Report (PIR). Based on our experience in your and other industries we always improve our best practice. This best practice is the basis of you Progress and Improvement Report.

Customer excellence

Periodically we interview our clients and review the evaluations to improve our client experience; minimizing business disruption and added value in everything we do. Our professional staff is developped both on professional and social skills. So that they can provide our top quality services in a pleasand and client focussed way.


We are delighted to support organizations with ISAE 3402 | SOC1 and ISAE 3000 | SOC2 assurance engagements by delivering quality with a client focussed appraoch. We are eager to support and provide a distinctive value add to the further professional development of professional organizations.


We are focused on performing ISAE 3402 | SOC1 and ISAE 3000 | SOC2 engagements efficiently and advise proactively during the whole process. Our proposition is aligned to the requirements of international corporates and supervisory organizations. This proposition is translated in our customer focussed approach.


As Certicus, we also feel that a good understanding, clear communication, and knowledge of our clients’ industry are essen tial for delivering added value to you as our client. Based on this approach we will inform you on the relevant changes in laws, regulations and other important developments.


Certicus is an international audit firm providing services to the top tier IT and financial services firms worldwide. We continuously explore the latest technology and adapt to follow world’s new trends to deliver the best assurance services to the market.