accounting assistant
Aug 13, 2026 · THEON International
What you'll do
- Post and reconcile accounting entries with supporting documents for Group companies abroad
- Manage daily bookkeeping tasks including AP/AR, general ledger, and expenses
- Collaborate with external accountants internationally to support monthly accounting processes
- Review and organize accounting files prepared under local accounting standards
- Assist in transforming foreign accounting data into Greek General Ledger format
- Record transformed data into the Group’s internal accounting system
- Assist with tax filings, VAT, withholding taxes, and compliance procedures
- Work with ERP systems, preferably Microsoft Dynamics 365, to maintain accurate financial data
- Support preparation of financial reports and monthly closings
- Collaborate with internal teams to ensure smooth financial processes
Key requirements
- 2+ years' experience
- Accounting operations including bookkeeping (AP/AR, general ledger, expenses) and double-entry bookkeeping
- Tax regulations (Greek), tax filings, VAT, and withholding taxes
- ERP systems experience, Microsoft Dynamics 365 preferred
- Financial reports preparation and accounting standards compliance
- Strong MS Excel skills including functions, pivot tables, and data validation
- Communication skills, organizational skills, analytical thinking, and English language proficiency
- Accounting / Finance
About the job
We are seeking a motivated and detail‑oriented Accounting Assistant to join our Finance team, who will bring strong technical knowledge, hands‑on experience in accounting operations, and the ability to thrive in a dynamic, fast‑paced environment.
Key Responsibilities
Posting and reconciling accounting entries and supporting documents for Group companies operating abroad
Managing daily bookkeeping tasks (AP/AR, general ledger, expenses)
Collaborating closely with external accountants in different countries to support monthly accounting processes
Reviewing, understanding, and organizing accounting files prepared under local accounting standards
Assisting in the transformation of foreign accounting data into the Greek General Ledger format
Recording transformed data into the Group’s internal accounting system
Assisting with tax filings, VAT, withholding taxes, and compliance procedures
Working with ERP systems to maintain accurate financial data (Microsoft Dynamics 365 preferred)
Supporting the preparation of financial reports and monthly closings
Collaborating with internal teams to ensure smooth financial processes
Education & Experience
Bachelor’s degree in Accounting, Finance, or related field (AEI/TEI)
Minimum 2 years of experience in an accounting/finance role, ideally in a corporate accounting department or accounting firm
Solid understanding of double‑entry bookkeeping and tax framework
Technical Skills
Strong proficiency in MS Excel (functions, pivot tables, data validation)
Experience working with ERP systems Microsoft Dynamics 365 is a plus
Familiarity with Greek tax regulations and electronic books (myDATA)
Ability to prepare and interpret basic financial reports
Soft Skills
Excellent organizational skills and attention to detail
Analytical thinking and problem‑solving attitude
Ability to take initiative and work efficiently under deadlines
Strong communication skills and team‑oriented mindset
Very good command of English (written and spoken)



