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Since joining Andersen Global in 2019, the firm has significantly enhanced its international tax capabilities, enabling it to handle high-value, multi-jurisdictional matters across sectors such as TMT, energy, and real estate. It advises ultra-high-net-worth individuals and multinational clients on complex tax issues, including cross-border mergers and inspections. The team actively contributes to Andersen’s Future Leaders training and tax service line, with partner Martha Papasotiriou serving as the firm’s representative in the tax service line of Andersen Global. She plays a key role in knowledge exchange and professional development.
During the research phase, the firm advised on the tax aspects of a corporate restructuring involving mergers between subsidiaries, the creation of a holding company, and share exchanges, and also prepared the necessary documentation to support the project. In addition, the firm advised on the strategic acquisition of a majority stake in Golden Sandwich, a reputable food production and distribution company, with a strong focus on tax advisory to ensure compliance and tax efficiency throughout the transaction.
Client Feedback
"They are exceptionally well-trained professionals with a global mindset—always delivering on time and consistently leaving a strong impression on end clients."
Deloitte Greece’s Tax & Legal practice employs 390 professionals across multiple locations, supported by a flexible remote model. Its fully integrated services span corporate and international tax, M&A, transfer pricing, global investment and innovation incentives, indirect tax, global employer services, and business process solutions. KBVL Law Firm, a full-service Greek law firm and member of the Deloitte Legal network, supports the tax conflict team led by Efstathios Bakalis. Deloitte Greece is ranked among the top 10 Great Places to Work in Greece for 2025.
During the research phase, the firm represented a group on challenging technical discussions with the tax authorities in the context of a TP inspection and prepared arguments and documents to be presented to the tax administration and to the court. In addition, the team provided transfer Pricing controversy support for a leading hospitality group in multiple tax audits.
Client Feedback
“They demonstrate a solid understanding of M&A requirements and consistently provide reliable advice on local tax and financial implications to ensure successful execution.”
“They offer thorough, up-to-date guidance on managing tax issues and are highly efficient litigators in tax-related matters.”
DRYLLERAKIS LAW FIRM's Tax Department, led by Senior Managing Partner John Dryllerakis, offers comprehensive legal services in tax and public law. It covers tax advising, planning, litigation (including at the Conseil d’état), accounting law, transfer pricing, and white-collar crime such as tax evasion and anti-money laundering.
During the research phase, the firm advised Cosco shipping Group on concerns a tax audit of 2017–2019 focusing on Transfer Pricing issues, particularly whether the pricing of a floating dock and its transportation procured via a public tender from Cosco Group affiliates—complies with the arm’s length principle, amid concerns of overpricing by the Tax Authority. In addition, the team was involved in defending Transfer Pricing Methodology in a complex tax audit for a banking group.
Client Feedback
"Tax advice and troubleshooting on tax and commercial legislation. Judicial presence in tax courts to resolve issues."
"Their deep understanding of transfer pricing and strategic application of GAAR provisions truly set them apart."
Eurofast Greece services include tax, transfer pricing and tax mobility. Anastasia Sagianni, tax and TP service line leader and Maria Sarantopoulou, chief legal and tax advisor, lead the team, which is supported by tax advisers Maria Anastasiou, Panagiotis Chontzeas and Nikos Archangelidis.
The firm recently assisted a major global corporation in the distressed acquisition of a Russian-owned oil and gas operation in a European country. In addition, the team advised a large conglomerate on effective royalty remuneration in order to satisfy statutory standards and maximise the group's tax optimisation.
Tax advisor Panagiotis Chontzeas joined the team during the research period.
EY Tax Greece has grown to 399 professionals, reflecting its commitment to market demand and holistic tax solutions. Under new Head of Tax Spyros Kaminaris, the firm emphasizes purposeful growth and client centricity. It leads in cross-border and transaction tax advisory, helping clients manage risks and optimize opportunities.
During the research period, the firm acted as a primary tax advisor to the group’s Management, supporting on various key tax matters in the context of this very large-scale and rigorous refinancing process. In addition, the team acted as the tax structuring advisor for major group in relation with the spin-off of its non-core off-site ATM sector into a new subsidiary.
Client Feedback
"Highly knowledgeable and experienced in dealing with corporate tax issues, tax structuring and issues related to EU directives. Expertise in transfer pricing and application of OECD guidelines. Pragmatic and proactive approach in tax structuring. "
Grant Thornton’s Tax team offers expert, tailored support across tax compliance, strategic planning, and risk management. Combining deep local knowledge with a global network, the team helps clients navigate complex legislation, optimise tax positions, and manage stakeholder relationships. Known for their personable approach and actionable advice, they deliver pragmatic solutions across corporate tax, VAT, employment tax, and international tax matters, ensuring clients stay compliant and future-ready.
During the research period, the firm assisted a major global corporation in royalty’s arm’s length remuneration ranging projects all of which are confidential.
Client Feedback
"They are very well trained with global mindset. Really top professional delivering always on time and making a good impression to the end-clients. "
Koutalidis Law Firm comes highly recommended for its experience in tax and legal services. Its clientele includes multinational enterprises, private clients and non-profit organisations from throughout the world. The tax team is led by George Naskaris, a tax partner.
During the research phase, the firm assisted the Alpha Bank group in all tax-related aspects of a transaction, including performing a deep tax analysis with respect to the specific features, a DAC6 study, and a prospectus analysis on the first issue of AT1 perpetual bonds by a Greek credit institution after the 2019 change to the CRR rules went into effect. Furthermore, the team aided National Bank of Greece with its acquisition of MetLife's Greek and Polish divisions.
Client feedback
“Professional and academic expertise.”
“Well experienced, up to date with developments, easy to reach.”
“The law firm examines thoroughly the issues and gives a robust opinion.”
“Solutions finding is structuring the transaction, effective and business-minded negotiations smooth closing.”
Kyriakides Georgopoulos Law Firm is highly recommended for its experience in tax and legal services. The team advises customers on all tax issues and is skilled at developing innovative approaches to complex transactional issues. Its tax team has grown to include six dedicated lawyers managed by partner Panagiotis Pothos, with the most recent additions being Nefeli Sianidou and Angeliki Miliakou.
The business recently advised insurance giant Allianz on the critical tax aspects of European Reliance's acquisition. The team also advised Lightsource BP on the tax parameters associated with the financing of the buyout of Greek special purpose vehicles involved in the renewable energy sector, as well as the risk associated with the (non) tax deductibility of certain expenses related to exempt participation.
Associate Emmanouela Baliafa Kolovetsiou left the firm during the research period to join EY.
POTAMITISVEKRIS Law Partnership consists of six experienced and devoted legal professionals, including tax partner Aspasia Malliou and five associates. The group's major specialised practice areas include private clients, real estate, audit, corporate tax, tax disputes, litigation and tax structuring. In addition, the team represents clients from a variety of industries, including pharmaceuticals, energy, banking and shipping.
The firm recently assisted AstraZeneca with a challenging tax issue on the treatment of mandatory ‘rebates’ for the purposes of the VAT paid to public medical and health insurance funds by Greek pharmaceutical businesses, if any, the National Organisation for the Provision of Healthcare Services, and medicinal products under prescription. The team also advised Hellenic Petroleum in a dispute involving sophisticated and difficult tax legal problems relating to corporate income taxation stemming from a number of accounting changes, including, for example, the non-deductibility of intangible asset depreciation.
Senior Associate Grigoris Katsoras joined the firm during the research period from PricewaterhouseCoopers.
Client feedback
“Extremely professional and timely advice.”
“Always consult to the point, outlining all possible risks and helping the parties involved to choose the most applicable solution to their issues.”
The Transfer Pricing team, comprising 24 seasoned professionals, brings deep technical expertise and strategic insight to complex advisory work. Their specialized focus enables PwC Greece to deliver highly tailored, high-impact solutions, reinforcing its leadership in transfer pricing and consulting services. The Transfer Pricing Director at PwC Greece is Dimitrios Arampatzis.
During the research period, the firm played a key role in ensuring full compliance with Country-by-Country Reporting (CbCR) obligations across multiple group entities. Their deep expertise in transfer pricing and operational TP enabled real-time monitoring, strategic alignment of financial data, and robust documentation, helping the groups meet complex legislative requirements effectively.
Client Feedback
"They are very thorough and knowledgeable"
TPS Greece was launched in 2021 as a subsidiary of the Spanish International TPS, an independent firm founded in 2010 and consisted of highly skilled specialists with extensive experience in tax advice on transfer pricing and related-party transactions. The team provides transfer pricing advice and documentation services to local and global firms in need of an effective approach to the design, execution, documentation and defence of their transfer prices.
The business recently worked on a transfer pricing project that included an economic analysis of a digital finance group for various intragroup transactions. It also assisted a Group Greek company in providing transfer pricing advice and compliance services.
During the research period Andriani Griva Manager joined the firm from Deloitte.
Client feedback
“Professional attitude and manners with a high code of ethics.”
“They have in-depth knowledge of the topic and find customised solutions for clients of all sizes. They are also straightforward and transparent in communications with me and my clients.”
“Professionals, keep time schedules, well-structured benchmark analysis.”
Zepos & Yannopoulos has one of Greece’s largest and most highly rated tax practices, with over 47 lawyers and accountants. The team offers services in transactional tax, business counselling, compliance, real estate, private client matters, transfer pricing, and litigation. Managing partner Yerassimos Yannopoulos leads the practice.
During the research phase, the firm was involved major tax due diligence mandates, including for a rights issue, for a leading European financial services provider listed on Euronext STAR Milan.In addition, the team achieved major judgement on the issuance of decisions with a wider impact, in relation to VAT on business entertainment expenses.
Client Feedback
“Zepos & Yannopoulos provides extremely well-organized, knowledgeable, and detail-oriented tax advice.”
“The firm is notably careful in delivering accurate and appropriate tax guidance.”
“Clients appreciate the team’s expertise, clarity in written responses, and actionable recommendations."
Andersen is the Greek member firm of Andersen Global®, an international association of member firms comprised of tax and legal professionals worldwide.
Andersen in Greece, based in Athens, specialized in tax and accounting and offering a full range of services, including tax accounting, payroll, tax compliance, corporate tax services, tax services to HNWI and UHNWI, international tax services and transfer pricing.
While we come from different backgrounds and cultures, our values are what we have in common. They guide how we work with our clients and each other, inform the type of work we do, and hold us accountable to do our best. They govern our actions and determine our success.
Our values help us work towards our Purpose of building trust in society and solving important problems.
The trust that our clients, communities and our people place in PwC, and our high standards of ethical behaviour, are fundamental to everything we do. Our values underpin our Code of Conduct which is our frame of reference for the decisions we make every day. It's how we do business.
With offices in 151 countries and more than 364,000 people, we are among the leading professional services networks in the world. We help organisations and individuals create the value they are looking for, by delivering quality in Assurance, Tax and Advisory services.
In the global tax environment, what's most needed is also most elusive: Confidence. Deloitte helps clients anticipate change to see through uncertainty and decide on the future. From best practices to innovative tools, from regulation to strategy, from human capital to disruptive technology, Deloitte helps clients to connect all the critical pieces for success.
With many years of experience and unique knowhow, the Greek tax practice offers a full range of tax and legal services, employing more than 230 professionals. Three years ago, Deloitte recruited one the best legal teams on corporate law and M&A. This dynamic attracted top talents and this team kept getting bigger; it now numbers over 25 lawyers, covering all legal aspects a business needs (corporate and commercial law, mergers and acquisitions, management consulting, data protection, labor law etc.).
Our tax professionals advise large local and foreign enterprises on their tax & legal issues and offer effective solutions to manage tax issues. Our approach combines insight and innovation from multiple disciplines with business and industry knowledge to help companies excel globally. Our tax services are fully integrated, spanning from business tax, mergers and acquisitions, global investment and innovation incentives and transfer pricing to global employer services, indirect tax, business process solutions and legal services.
In early 2019, the most eminent tax litigation lawyer joined Deloitte. His team has already dealt with landmark cases. This new addition completed the spectrum of tax offerings, highlighting that we recruit the best in everything we decide to do.
Deloitte’s transfer pricing team has more than 20 fee earners in their Athens and Thessaloniki offices. The team has expanded its service offering according to the post-BEPS environment requirements and the latest advances in tax technology. This includes restructuring, APAs and MAPs as well as Operational Transfer Pricing solutions focusing on process optimization and analytics. Fotis Tsamparlis, partner, heads the transfer pricing team.
At Deloitte, we aim to be the best at all that we do–help clients realize their ambitions; make a positive difference in society; and maximize the success of our people.
Dryllerakis Law Firm, for more than 40 years, offers its clients the optimum and most comprehensive legal advice in all fields of business Law and provides them with the best and most effective litigation strategy.
The firm has organized special, dedicated teams covering the core areas of Corporate Law and M&As,
Tax Law and Competition Law, offering a boutique operation. There is a strong litigation and arbitration team, with a long-standing experience before all Greek courts (including the Supreme Courts), as well as with an extensive involvement in local and international arbitrations. The clientele consists mainly of international clients.
The firm has a strong knowledge of the corporate world and industry sectors and a solid understanding of the surrounding business environment and of its clients' needs.
The fact that most of the firm's senior partners participate in the Board of Directors of several leading Greek companies (mostly affiliates of multinationals), is a clear evidence of its clients’ trust and an important asset for the optimum combination of legal and business aspects.
For another year, our Greek Tax Team continued to expand, hiring more people and establishing further itself as the biggest tax firm in Greece, both in terms of people (current headcount of 315 tax professionals) and of revenues.
Our firm provides cross border tax advisory services through our international tax professionals and our strong TP practice, the latter being the largest in Greece and awarded the title of National TP Firm of the Year 12 times since 2009. Our specialized transaction tax professionals are recognized as leaders, both in terms of complexity of transactions undertaken and quality of support offered. By providing services throughout the entire transaction life cycle, spanning from tax due diligence on potential targets and tax structuring of the deal to post-closing implementation and post-acquisition integration of targets into the buyer’s group structure, they have assisted in the successful completion of major transactions, always within the clients’ commercial constraints and strategies.
EY’s tax controversy and litigation services team has been established as the leading big-4 firm in this field as well in Greece, by managing high-profile cases (including mass-litigations), some of which have triggered break-through Supreme Court decisions changing set jurisprudence.
Finally, EY acts as the permanent tax expert advisor to the Hellenic Federation of Enterprises (SEV), while regularly offers opinions to the Greek Independent Authority for Public Revenues re tax rules’ implementation.
Our day-to-day practice demonstrates that our core priority is the delivery of exceptional client service by being connected, responsive and insightful. In addition to remaining trusted advisors to our clients, we focus on thinking and acting globally and across service lines. The above competitive advantages have led to our dominant positioning and reputation in the Greek tax market and underpin our constant strive to create a better working world.
The tax framework is being constantly transformed through the incorporation of international and EU rules, and best practices promoting transparency and combating tax avoidance. This is taking place amidst ever-present efforts to enhance tax collection and enforcement. Our top tier tax & accounting practice—consisting of a team of over 40 experts with academic backgrounds in law, economics and accounting—is ideally positioned to help clients address the challenges created by this environment. Combining the transactional expertise of a leading, internationally-oriented, law firm with our experience in tax and accountancy services, we offer our clients comprehensive solutions for complying, creating added value through managing tax impact, and understanding the critical tax considerations of innovative transactions.
We cover all tax areas, from transactional advisory, to preparation, to filing of tax returns. Our clients count on us to be their trusted advisor, whether they want to run by us advice on tax issues related to their day-to-day business, receive guidance on how to navigate a tax audit or obtain sophisticated cross-border structuring advice. Our tax advisors have specialized industry experience in a variety of business sectors; they can also draw upon a top-notch group of experts to form the right team in order to assist clients on those matters. We organize seminars for our clients’ staff, keep them up-to-date on significant changes and act as their business partner by ensuring they have the tools to achieve and remain safe and transparent. Also, where required, we deploy novel solutions to help them manage the tax risks of new business challenges. A highly specialized tax team forms part of our private clients practice.
