Audit Services



Staffed with Certified Public Accountants with long experience in the largest international auditing firms, Audit Services SΑ provides audit and related services using advanced methodologies that make the difference and fully meet the modern business needs and the updating requirements of regulatory and supervisory authorities.

We provide responsibly, reliably and at a reasonable cost the following services, depending on your business needs:

  • Statutory and special audits according to the International or Greek Auditing Standards
  • Management audits
  • Fraud investigations
  • Internal control reviews
  • Regulatory audits for mergers, spin-offs and acquisitions
  • Corporate dissolutions
  • Transition to IFRS
  • Tax certificates

For more information
please contact:

Senior Partner & Member of the Executive Committee of AS network, Chairman of Audit Services SΑ
Audit Partner of AS network, Managing Director of Audit Services SA

Marios Georgiou is a Senior Partner and a Member of the Executive Committee of AS network and Chief Executive Officer of Audit Services SΑ.

He is a Certified Public Accountant and specializes in tax and accounting matters and in statutory and special audits of large companies. He has dealt with legal entities taxation, consulting on tax treaties, tax planning of groups, mergers/spin-offs of large multinational companies, the organization of financial services, the compilation of administrative organization charts, the management of substantial accounting projects etc.

He worked for PwC for almost 28 years, the 15 of which as a partner. He started his collaboration with Coopers & Lybrand (now PwC) in 1983, already having accumulated considerable experience as an accountant. He initially worked as an auditor, participating in audits of many Greek and multinational companies. At the same time, he became an active contributor to the organization and growth of the tax department growth. He also organized and managed PwC Academy, the company’s educational center, offering professional training to financial executives, lawyers etc. in a variety of programs and modules such as tax, accounting, ACCA, ACA etc.

He is a member of the Economic Chamber of Greece, the Hellenic-American Chamber of Commerce, the Hellenic Management Association and the Institute of Certified Public Accountants of Greece.

He is a graduate of the School of Industrial Studies (currently University of Piraeus).

Sotiris Sokos is an Audit Partner of AS network.

He is a Certified Public Accountant responsible for statutory and special audits and assurance engagements and has extensive experience in the auditing of public companies and groups listed on the Athens Stock Exchange and on other foreign stock exchanges (New York, London) as well as the auditing of private companies operating in the Greek market. He has also significant experience in internal audits and internal organization consulting as well as in the implementation of International Financial Reporting Standards (IFRS). He has lead audit engagements of Greek subsidiaries of foreign multinational corporations as well as of Greek groups operating locally or internationally, whether at their headquarters in Greece or their subsidiaries abroad, mainly in England, Luxembourg, the Balkans, Eastern Europe, Egypt and elsewhere.

Several of these engagements were due to perspective acquisitions (due diligence) mandated by clients such as Coca-Cola HBC, Heineken BV, Frigoglass, Vivartia and Piraeus Bank.

He has over 22 years of consequent auditing experience, having served as a Partner at International Certified & Registered Auditors SA – former BDO (2004 -2012), as Senior Manager at PwC (1997-2004) and previously at lower grades in Deloitte and KPMG.

He has participated in many seminars and events on IFRS, AuditIng, Transfer Pricing, Tax Legislation etc. and is a member of the Institute of Certified Public Accountants of Greece and the Economic Chamber of Greece.

He is a graduate of Economics at the University of Piraeus and holds a Master’s degree in Business Economics at the University of Essex.