# Apostolou & Partners: Accounting, Tax & Business Advisory in Thessaloniki, Greece

> Accounting and tax advisory firm in Thessaloniki, Greece, founded in 1991. 17 professionals serving 200+ businesses and 1,000+ individuals in Greek, English and German.

Apostolou & Partners (Αποστόλου & Συνεργάτες) provides accounting and bookkeeping, tax returns and tax advisory, payroll, business consulting, myDATA and e-invoicing support, and services for foreign investors, digital nomads, retirees and companies relocating to Greece. The founder, Apostolos Apostolou, holds the Greek Class A tax accountant license (φοροτεχνικός Α' τάξης). German-speaking staff serve clients from Germany, Austria and Switzerland.

Contact: info@aatax.eu | +30 2310 640149 | +30 2310 261221 | El. Venizelou 4, Thessaloniki 546 24, Greece | Monday to Friday, 08:00 to 17:30

Every page exists in Greek (/el/), English (/en/) and German (/de/). English URLs are listed below; replace /en/ with /el/ or /de/ for the other languages.

## Services

- [Accounting & Bookkeeping](https://aptax.gr/en/services/accounting): Bookkeeping under Greek Accounting Standards (ELP, Law 4308/2014) and IFRS, VAT returns, myDATA, financial statements and monthly management reporting
- [Tax Returns & Tax Advisory](https://aptax.gr/en/services/tax-advisory): Personal and corporate income tax returns, tax planning, VAT, international tax, property tax and representation in AADE tax audits
- [Payroll & Social Security](https://aptax.gr/en/services/payroll): Payroll, EFKA contributions, ERGANI II filings, the digital work card and employment contracts, including payroll for foreign employers registered directly with e-EFKA
- [Business Consulting](https://aptax.gr/en/services/consulting): Business plans, ESPA and Development Law funding, incorporation and restructuring, financial analysis, due diligence and succession planning
- [Business Software Solutions](https://aptax.gr/en/services/software): ERP selection and setup, e-invoicing (certified provider or AADE's timologio app), digital dispatch note and cash register/POS links
- [Data Analysis & Management Reporting](https://aptax.gr/en/services/data-analysis): Monthly management reports, KPIs, profitability analysis and cash flow forecasts
- [myDATA & E-Invoicing Compliance](https://aptax.gr/en/services/mydata): myDATA setup, invoice classification, mismatch reconciliation and the move to mandatory B2B e-invoicing
- [Audit Support & Financial Reporting](https://aptax.gr/en/services/audit): Preparation for the company's statutory auditor, support for the tax compliance certificate file, financial statements under ELP or IFRS and group reporting packs. Statutory audits and tax certificates are signed by certified auditors registered with ELTE; this service covers preparation and support
- [All services](https://aptax.gr/en/services)

## Services for International Clients

- [Tax Incentives for New Residents](https://aptax.gr/en/special-tax): Article 5A investor flat tax, Article 5B 7% regime for foreign pensioners and Article 5C 50% income tax exemption
- [Golden Visa Greece](https://aptax.gr/en/golden-visa): Greek residence permit through real estate investment: €800,000 in Attica, the Thessaloniki regional unit, Mykonos, Santorini and islands over 3,100 residents; €400,000 elsewhere; €250,000 only for conversions to residential use or listed-building restoration
- [Digital Nomad Visa Greece](https://aptax.gr/en/digital-nomad): 2-year renewable residence permit for remote workers of non-Greek employers with €3,500+ net monthly income (Article 5C usually does not apply to them)
- [Golden Visa vs Digital Nomad Visa](https://aptax.gr/en/visas-residence): Side-by-side comparison of the two residence routes
- [Moving to Greece](https://aptax.gr/en/move-to-greece): AFM tax number, tax residency, bank account, EFKA and the first Greek tax return
- [Hire in Greece](https://aptax.gr/en/hire-in-greece): Contracts, payroll, EFKA and ERGANI compliance for companies hiring staff in Greece
- [Company Formation in Greece](https://aptax.gr/en/start-business-greece): IKE from €1 capital, AE (€25,000 minimum capital) or branch office, usually operational in 2-7 business days

## Free Tax Calculators (2026 rates)

- [Income Tax Calculator](https://aptax.gr/en/tools/income-tax): Greek progressive rates 9%-44%
- [Corporate Tax Calculator](https://aptax.gr/en/tools/corporate-tax): Flat 22% rate
- [Freelancer Tax Calculator](https://aptax.gr/en/tools/freelancer-tax): Income tax, EFKA and advance tax for the self-employed
- [VAT Calculator](https://aptax.gr/en/tools/vat): Standard 24%, reduced 13%, super-reduced 6%
- [Salary Calculator](https://aptax.gr/en/tools/salary): Gross-to-net with EFKA breakdown
- [50% Tax Relief Calculator](https://aptax.gr/en/tools/digital-nomad): Estimate savings under Article 5C for qualifying new tax residents
- [Rental Income Tax Calculator](https://aptax.gr/en/tools/rental-tax): Rental scale 15% / 25% / 35% / 45%

## About

- [Team](https://aptax.gr/en/team): Our 17 professionals
- [Contact](https://aptax.gr/en/contact): Office, phones and contact form (reply within one business day)
- [Blog](https://aptax.gr/en/blog): Greek tax and business updates
- [Privacy Policy](https://aptax.gr/en/privacy)

## Key Pages in Greek and German

- Greek: [Αρχική](https://aptax.gr/el/), [Λογιστική](https://aptax.gr/el/services/accounting), [Φορολογικές δηλώσεις](https://aptax.gr/el/services/tax-advisory), [Μισθοδοσία](https://aptax.gr/el/services/payroll), [Σύσταση ΙΚΕ](https://aptax.gr/el/start-business-greece), [Επικοινωνία](https://aptax.gr/el/contact)
- German: [Startseite](https://aptax.gr/de/), [Steuerberatung](https://aptax.gr/de/services/tax-advisory), [Buchhaltung](https://aptax.gr/de/services/accounting), [Steueranreize 5A/5B/5C](https://aptax.gr/de/special-tax), [Firmengründung](https://aptax.gr/de/start-business-greece), [Kontakt](https://aptax.gr/de/contact)

## Optional

- [Full reference (llms-full.txt)](https://aptax.gr/llms-full.txt): Tax rates, incentive regimes, Golden Visa thresholds and firm credentials