Martijn Visser Director Due Diligence

In March 2020 I joined Mazars FAS after 20 years of working for KPMG, of which 13 within KPMG Transaction Services focusing on financial due diligence projects and 7 years within KPMG Audit.

Over 20 years of professional experience I have advising and auditing a broad range of SMEs, large national and international operating companies in various segments and performing over 100 financial due diligence projects. 
As Director FAS, specialised in transaction services, I performs and manages (cross border) buy side and vendor initiated due diligence assignments in which financial opportunities, risks or issues and value drivers were identified, analyzed and reported of. All to the benefit of the client’s position. This also includes vendor support (factbook), closing balance accounts review and SPA review (purchase price mechanism).


  • Chartered Accountant (Register Accountant, ‘RA’)
  • MSc Business Economics and Accounting, University of Amsterdam


  • Due diligence Buy Side & Vendor
  • Vendor support
  • SPA reviews
  • Process management (acquisition process)


Buy Side Due diligence

Buy Side due diligence assignments for (international) corporates and private equity. Performing financial due diligence for key acquisition issues around underlying earnings, value drivers, business plan analysis, and net debt/working capital items as well as (financial) SPA advice.

Vendor Due Diligence

Numerous vendor due diligence assignments for owner managed business and business units of large corporates and PE portfolio companies working closely with M&A advisors of the selling shareholders. Financial assistance and financial factbook assignments for divestments done in cooperation with management and sell side M&A advisors.

Sector experience

Broad range of sector experience, amongst others manufacturing and construction companies such as metal processing and electronics.International wholesale and retail and business services segments, including companies such as (corporate) restaurants, (outdoor) advertising, supermarkets and food industry. Healthcare sector experience in financial due diligence for mergers and acquisition of hospitals, mental healthcare clinics (GGZ) and privately owned clinics.

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