IT Audit

Robert Johan
+31 (0)20 5700 200

Organisations operate in a dynamic environment: automation of processes, digitisation of knowledge and contracts, linking databases to your processes and of course linking the requirements to availability and security of IT and data.

As auditors, we are in a similar position when it comes to IT automation and security questions. Since 1973, risk mitigation and updating IT administration and responsibility processes have been high on our agenda. We use our knowledge to offer you a safe basis for your IT management.  We have developed an audit that applies specifically to risk reduction, compliance and business continuity. The need for measures is depicted using a colour meter.


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Our IT services include:

  • IT Audit
  • IT Colour Scan – Quick – Full
  • IT First Inspection Approach

If you are responsible for administrative organisation and internal control, network security and internet access, firewall management or financial processes and procedures within your organisation, please contact Soll-IT, our specialist IT team.

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Robert Johan
+31 (0)20 5700 200

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De Jong & Laan en Horlings bundelen krachten

Vroomshoop/Amsterdam, 4 september 2023 – Ook Horlings sluit zich na Marshoek en 5BAR Assurance aan bij accountants- en adviesorganisatie de Jong & Laan. Het Amsterdamse kantoor Horlings levert audit, accountancy en fiscale dienstverlening aan vaak internationaal opererende middelgrote en grote ondernemingen, maar ook aan diverse non-profit organisaties (waaronder onderwijsinstellingen). Met deze nieuwe aansluiting versterkt de Jong & Laan haar controle- en (internationale) fiscale tak. Daarnaast is het een grote stap in de richting van landelijke dekking.