Why Choosing the Right Accounting Firm in Athens Matters
Athens is the financial and administrative heart of Greece. The Athens Stock Exchange, the headquarters of the country's systemic banks, shipping groups operating out of Piraeus and a fast-growing startup community all depend on reliable accounting, audit and tax expertise. Greek tax law changes frequently, the myDATA electronic bookkeeping platform has transformed how invoices are reported, and Greek Accounting Standards coexist with International Financial Reporting Standards for larger entities. For any company operating in the capital, a capable accounting firm is not a luxury but a core business partner.
The firms below were selected based on reputation, breadth of services, depth of local knowledge, international reach and their standing within the Athens business community. Some are global networks with thousands of professionals in Greece, while others are mid-tier firms valued for personal attention and flexible pricing.
The Top 10 Accounting Firms in Athens
1. PwC Greece
PwC Greece is one of the largest professional services organizations in the country, with its main offices in the northern Athens business district of Halandri. The firm audits many of the largest listed companies on the Athens Exchange and provides tax, deals and consulting services across banking, energy, shipping and retail. Clients value its sector specialization and the depth of its technical resources, particularly on IFRS reporting and complex restructurings.
2. Deloitte Greece
Deloitte has a significant presence in Athens, offering audit and assurance, tax and legal, financial advisory and risk services. The firm is particularly known for its technology consulting capabilities and its work with public sector bodies and multinational subsidiaries. Its Athens teams frequently support companies through digital transformation projects alongside traditional accounting and compliance engagements.
3. EY Greece
EY Greece operates from a large office in the Athens metropolitan area and serves a broad mix of listed groups, family businesses and international investors. Its tax practice is well regarded for transfer pricing and indirect tax advice, while its transaction services team is active in real estate, hospitality and infrastructure deals. EY is also known in Greece for its research and publications on the national economy and investment climate.
4. KPMG Greece
KPMG in Greece provides audit, tax and advisory services with a strong focus on financial services, shipping and industrial clients. Its Athens practice is recognized for regulatory and risk advisory work with banks, as well as for supporting companies with ESG reporting under evolving European sustainability rules. The firm combines international methodology with an experienced local partner group.
5. Grant Thornton Greece
Grant Thornton Greece is one of the leading firms outside the Big Four and has built a reputation for responsiveness and senior partner involvement. The firm offers audit, tax, business process outsourcing and advisory services, and is especially popular with mid-sized Greek companies and fast-growing private businesses that want international standards without the overhead of the largest networks.
6. BDO Greece
BDO Greece serves companies of all sizes from its Athens base, with services including statutory audit, tax compliance, accounting outsourcing and payroll. It is frequently chosen by foreign subsidiaries entering the Greek market because it can manage bookkeeping, VAT filings and local reporting under one roof, providing a practical, end-to-end solution.
7. Forvis Mazars Greece
Formerly known simply as Mazars, Forvis Mazars Greece is an integrated partnership with a long track record in Athens. It is known for audit quality, outsourcing services and strong advisory capabilities for real estate and hospitality clients. Its partnership structure tends to encourage consistent teams and close working relationships with clients over many years.
8. RSM Greece
RSM Greece is a respected member of one of the world's largest audit, tax and consulting networks. In Athens, it serves private companies, nonprofit organizations and international groups with audit, tax and forensic accounting services. Clients often highlight the firm's practical advice and its ability to explain complex Greek tax rules in clear, actionable terms.
9. Baker Tilly Greece
Baker Tilly Greece combines audit and accounting services with a growing advisory practice. Its Athens professionals work with shipping companies, technology firms and family-owned enterprises, offering bookkeeping, tax planning and financial due diligence. The firm is well suited to businesses that want a mid-tier provider with global connections.
10. SOL Crowe
SOL Crowe is one of the oldest and most established Greek audit firms and a member of the Crowe Global network. With deep roots in the Athens business community, it audits a significant number of Greek companies and offers tax and advisory services. Its long history gives it a strong understanding of the Greek regulatory environment and of traditional family-owned businesses.
How to Choose an Accounting Firm in Athens
Start by defining your needs. A listed company requires an auditor with capacity, independence safeguards and IFRS expertise, while a small business may primarily need bookkeeping, myDATA compliance and periodic VAT returns. Ask whether the firm has experience in your industry, how often you will meet senior professionals, and how it handles communication in English if your management team is international.
Fee structures vary considerably. The Big Four typically charge premium rates but offer extensive specialist resources, while mid-tier firms often provide more predictable fixed fees. Request a clear engagement letter that outlines deliverables, deadlines and the people responsible for your account.
Trends Shaping Accounting in Athens
Digitalization is the dominant theme. The mandatory electronic invoicing roadmap, the expansion of myDATA and the integration of tax authority systems with banking data mean that accounting firms are investing heavily in automation. Sustainability reporting is another fast-growing area, as larger Greek companies prepare disclosures aligned with European standards. Finally, demand for advisory services linked to European recovery funds and foreign direct investment continues to grow, creating opportunities for firms that combine accounting expertise with strategic insight.
Frequently Asked Questions
Do small businesses in Athens need a large accounting firm?
Not necessarily. Many small and medium businesses are well served by mid-tier firms that offer bookkeeping, VAT filings and myDATA compliance at predictable fixed fees, with direct access to senior partners.
Can accounting firms in Athens work in English?
Yes. Most established firms in Athens have English-speaking teams and regularly prepare reports and correspondence in English for international clients and foreign subsidiaries.
Conclusion
The accounting market in Athens offers an excellent range of options, from global giants to trusted Greek practices. Whether you need audit assurance, tax planning or fully outsourced bookkeeping, the firms on this list have proven track records. Take time to compare experience, service style and pricing, and choose a partner that understands both your industry and the realities of doing business in the Greek capital.