Big Four Experience.
Personal Involvement.
AI-Native Delivery.
Founded by ex-KPMG audit partners, Just Audit is an independent Dutch audit firm with 25+ professionals across Hoofddorp and Harderwijk, dedicated exclusively to statutory and voluntary assurance.
Why Businesses Switch to Just Audit
A distinct alternative to bureaucratic international accounting networks and PE conglomerates.
Direct Partner Access & Continuity
Your audit is led, performed, and signed by our co-founders (Sven Steijn RA and Tjerk Wolsak RA). You work with the same senior team year after year with zero junior churn.
- Direct mobile & partner email
- 2 RA partners on every engagement
- Fast technical accounting decisions
100% Pure Audit Specialism
We do not sell consulting, tax advice, or IT systems. Our independence is uncompromised, and your existing advisors face zero commercial conflict or poaching.
- 100% focused on audit & assurance
- Zero commercial cross-selling
- Objective, fearless reporting
Just Audit 2.0: AI-Native Delivery
We combine Caseware Cloud, DataSnipper, and 100% population analytics (CAMT.053 & XAF) with deep boardroom dialogue. Zero paper files.
- Caseware Cloud success story firm
- DataSnipper intelligent extraction
- Automated 100% transaction testing
Effortless Auditor Switching
Switching from another audit firm is simple. We handle all mandatory professional clearing procedures (collegiaal overleg) seamlessly under NVKS rules.
- Full compliance with NVKS rules
- Prior file review handled smoothly
- No disruption to business cycles
Meet Our Founding Partners
Our RegisterAccountants bring decades of Big Four assurance experience across Dutch and international corporate audits.
Tjerk Wolsak RA
As your permanent point of contact I have extensive experience in the control practice, of which I have worked a large part at a big4 office. Customers appreciate my open communication, critical eye and reliability. With my years of experience, I bring a wealth of knowledge and expertise to Just Audit. My passion for the profession and my involvement with clients ensure that I am always looking for the best solutions for your financial challenges.
Sven Steijn RA
I really appreciate the personal approach and the focus on quality that define our firm, Just Audit. It gives me a lot of satisfaction to contribute to the growth and development of Just Audit. I get a lot of energy from successfully completing assignments for our clients. Outside of work, I’m a passionate kitesurfer and enjoy time with my wife, with a deep belief in personal accountability and client partnership.
Speak directly with our leadership.
Request a proposal or schedule an introductory meeting at our offices in Hoofddorp or Harderwijk.