Services for Businesses
From company formation to financial statements and payroll — one office for all your obligations.
Accounting services for businesses do not stop at recording invoices. Correct VAT treatment, the right legal form, monitoring results during the year and controlling payroll cost are what determine your tax burden and your viability.
We support sole traders, private companies (IKE), partnerships and public limited companies with single- or double-entry books, handling computerised bookkeeping, all filings and communication with the tax office, EFKA, the labour inspectorate and the chambers of commerce.
What we handle
Company formation (IKE, OE, EE, AE, sole trader)
Choice of legal form, articles of association, registration with GEMI and the one-stop service, tax number, credentials and chamber registration — with a clear timeline and cost.
Start-ups, amendments, closures, liquidations
Commencement of activity, addition of activity codes, change of registered seat, share transfers, cessation of operations and dissolution or liquidation procedures.
Bookkeeping (single & double entry)
Computerised bookkeeping, bank and supplier reconciliations, myDATA cross-checks and a monthly view of your results.
Financial statements, tax returns, VAT
Preparation and filing of financial statements, corporate income tax returns, E3 forms, periodic VAT returns, withholding taxes and summary statements.
Payroll & ERGANI management
Payroll calculation, hires, terminations, digital work card, working hours and overtime in ERGANI II, social security returns and severance calculations.
Filings with the tax office, EFKA, labour inspectorate, chambers
Representation and processing of cases with public authorities, responses to audits and issuance of certificates.
Subsidised DYPA/OAED & ESPA programmes
Eligibility check, file preparation, application submission and implementation monitoring for employment, start-up and digital transformation programmes.
Tax planning & comparison of structures
Quantified comparison of sole trader versus IKE/partnership, remuneration and dividend policy, tax forecasting and cash planning.
Business consulting
Business plans, viability and break-even analysis, costing, pricing policy and preparation for financing.
New professionals & freelancers
Support for freelancers and contractors: EFKA contribution classes, invoicing, deductible expenses and advance tax.
Frequently asked questions
How long does it take to set up an IKE?
Sole trader or IKE — which is better for me?
Do you handle payroll for just a few employees?
What is myDATA and what changes for me?
Can you take over a company with outstanding issues?
Related articles
Sole Proprietorships & Taxation
Minimum Presumptive Profit for Sole Proprietorships: How It Works and When It Applies to You
How minimum presumptive profit for sole proprietorships and self-employed professionals is calculated and what was announced at TIF 2026. A guide with an example from NS Tax.
VAT & Small Businesses
Special VAT Exemption Scheme for Small Businesses: Who Can Join and What They Lose
Small business VAT scheme: €10,000 threshold in Greece, €100,000 in the EU, what you gain and lose. A guide with an example from NS Tax accounting firm.
VAT
Input VAT: Which VAT Is Deductible on Business Purchases and Which Is Not
Which VAT is deductible on a business’s purchases and which is not: passenger cars, vans, hospitality, staff. A guide with an example from the NS Tax accounting firm.
Payroll & Employment
Contract for Work or Employment: When Is an Independent Contractor Considered an Employee?
When is an independent contractor considered an employee? Criteria, the nine-month presumption, fines and an example from NS Tax accounting firm.
Businesses
Business Financing: Bank or Partners, and What Applies to Interest
Partner loan or bank? How interest is deducted and taxed, the 15% withholding and the EBITDA rule. A guide with an example from the NS Tax accounting firm.
Businesses
Renting Business Premises: Lease Agreement, Rent Payment and Expense Deduction
What a business needs to know about renting commercial premises: the electronic lease declaration, rent payment and expense deduction. A guide with an example from NS Tax.
myDATA & Invoicing
Electronic Invoicing Provider or the timologio App: How a Business Chooses
How a business chooses between an electronic invoicing provider and AADE’s free timologio application. Criteria, costs and an example from NS Tax accounting firm.
Businesses & Seasonal Operations
Seasonal Businesses: Off-Season Obligations, Closing and Reopening Correctly
What applies to a seasonal business in the off-season: VAT, EFKA, seasonal staff, cessation or temporary closure and reopening. A guide with an example from NS Tax.
Business Taxation
Transferring Shares in a Greek Private Company (IKE): Process, Taxation and What to Watch Out For
How IKE company shares are transferred, whether a notary is needed and how the capital gain is taxed (15% or 22%). A guide with an example from the NS Tax accounting firm.
Taxation & Business Organisation
Year-End Tax Planning 2026: Actions Worth Taking Before 31 December
What your business should do before 31 December 2026: expenses, myDATA, stocktaking, depreciation, debt arrangements and liquidity. A guide from NS Tax accounting firm.
Business Taxation
A Loss-Making Year in Your Business: How It Is Carried Forward for Tax Purposes
How a business's tax loss is carried forward for five years, what it is offset against and when it is lost. A guide with examples from the NS Tax accounting firm.
Taxation & Business Organisation
Business Tax and Accounting Obligations Calendar: What Must Be Done Each Month
A detailed business tax and accounting obligations calendar: VAT, payroll, EFKA, myDATA and annual returns. A guide from NS Tax accounting firm.
Business Taxation
Advance Income Tax Payment for Businesses: How It Is Calculated and When It Is Offset
What is the advance tax payment, which rates apply to IKE, OE and sole traders, how it is offset and what changes after the 2026 Thessaloniki International Fair. A guide with an example from NS Tax.
Businesses & Compliance
Cash Registers and POS: What Obligations Does Your Business Have?
Which businesses must connect their POS terminals to the cash register, what fines apply and how to avoid them. A guide with an example from NS Tax.
Business Taxation
Deductible Business Expenses: Which Are Recognised for Tax Purposes and Which Are Not
Which expenses are tax-deductible and which are not? NS Tax accounting firm explains the rules of articles 22-23 of the Income Tax Code, the €500 rule and gives an example.
Payroll & Taxation
Benefits in Kind for Employees: When They Are Taxed and When They Are Not
Company phone, car, private insurance: when benefits in kind are taxed and when they are not. A guide with a calculation example from NS Tax.
Leasing & Taxation
Leasing a Commercial Vehicle or Equipment: How It Is Taxed
How leasing a commercial vehicle or equipment is taxed, when VAT is deductible and how it differs from buying. A guide with an example from NS Tax.
Businesses & Expansion
Branch or New Company: What Suits Your Expansion
Planning to expand your business? NS Tax accounting firm explains the difference between a branch and a new company, with a practical example.
Accounting & Fixed assets
Fixed Assets & Depreciation: What Every Business Should Know
How a business’s fixed assets are accounted for, which depreciation rates apply and what option new businesses have. A guide with an example from NS Tax.
Accounting & Inventory
Inventory Accounting: What a Trading Business Needs to Know
Which businesses must take inventory, which are exempt in 2026 and how to carry out the procedure correctly. A detailed guide from NS Tax.
Tax residence & Businesses
Company Tax Residence: When a Company Is Considered Greek
When a company is considered a Greek tax resident, what “place of effective management” means and the risks for a foreign company. An NS Tax guide with an example.
VAT & Intra-EU transactions
Intra-Community Supplies of Goods: How B2B Sales in the EU Are Exempt from VAT
How intra-Community supplies of goods qualify for VAT exemption, what documentation is required and the most common mistakes. A practical guide from NS Tax.
VAT & Intra-EU services
VAT Reverse Charge: What Applies to Google Ads, Meta and Software Subscriptions
What the VAT reverse charge is, when it applies to Google/Meta advertising and software subscriptions, and how to report it correctly. A guide from NS Tax.
IKE & Dividends
Dividend Distribution in an IKE: Taxation, Procedure and Calculation Example
How dividend distributions in an IKE are taxed, the approval procedure and how the tax is calculated. A detailed guide with an example from NS Tax.
Accounting books
Single-Entry vs Double-Entry Books: Which Suit Your Business?
The differences between single-entry and double-entry books, which businesses need each system and when the category changes. A guide from NS Tax accounting firm.
Tax audit
Business Tax Audit: How It Works and How to Prepare
How an AADE business tax audit works, its stages and your rights. NS Tax accounting firm explains with a practical example.
Payroll & Outsourcing
Payroll & Outsourcing: When Does Working with an Accounting Firm Really Pay Off?
In-house payroll or outsourcing? NS Tax accounting firm in Athens explains the costs, benefits and when outsourcing really pays off.
E-commerce & Online retail
E-shop & E-commerce: What Are Your Tax Obligations?
The tax obligations of an e-shop in Greece. NS Tax explains activity codes, VAT, myDATA, OSS, VIES and returns with practical examples.
Debt settlement
Tax Authority & EFKA Debt Settlement: A Guide for Businesses
Settlement in up to 72 instalments for tax authority and EFKA debts. NS Tax explains the requirements, deadlines and provides an instalment calculation example.
Business closure
Closing a Business: Complete Guide to the Process and Obligations
How to close a business correctly. NS Tax explains the myAADE process, outstanding VAT, EFKA and GEMI matters, with a complete checklist.
VAT
VAT Refunds for Businesses: A Complete Process Guide
How businesses claim a VAT refund. NS Tax explains the process, supporting documents, deadlines and a calculation example.
Tax incentives
Tax Relief & Deductions for Businesses: What You Are Entitled to in 2026
Which tax reliefs your business may claim in 2026. NS Tax explains depreciation, enhanced deductions and new incentives.
Financial statements
Balance Sheet & Annual Financial Statements: What Every Business Owner Should Know
What every business owner should know about balance sheets and annual financial statements. NS Tax explains obligations and deadlines.
Legal forms
Converting a Sole Proprietorship to an IKE: When Is It Really Worth It?
When is converting a sole proprietorship to an IKE worthwhile? NS Tax explains the tax benefits, process and cost.
myDATA & Invoicing
myDATA & Electronic Invoicing: What Every Business Needs to Know
What changes with mandatory electronic invoicing from 1 October 2026. NS Tax explains business obligations, deadlines and practical preparation steps.
Payroll & Employment
Christmas Bonus, Easter Bonus & Holiday Allowance: How They Are Calculated
How the Christmas bonus, Easter bonus and holiday allowance are calculated. NSTAX, an accounting firm in Athens, explains the rules for employers.
New businesses
IKE, OE, EE or Sole Trader? How to Choose the Right Legal Form
Which business legal form should you choose? NSTAX, an accounting firm in Athens, explains the differences in taxation, liability and cost.
Office news
NSTAX: 10 Years of Experience as an Accounting Firm in Athens
NSTAX celebrates 10 years as an accounting firm in Athens. See our journey and 7 practical tax tips for businesses and individuals.
VAT
VAT changes: what changes in practice for businesses
Rates, periodic returns, myDATA cross-checks and practical steps so you do not lose input VAT deduction rights.
ESPA & subsidies
ESPA and DYPA programmes: how to prepare properly
Eligibility criteria, documents, expense timing and the mistakes that cost points in evaluation.
New businesses
Starting a business: 7 things to sort out from day one
Legal form, activity codes, books, EFKA class, invoicing, myDATA and cash planning.
Payroll & ERGANI
Digital work card and ERGANI II: employer obligations
Working-hour declarations, overtime, flexible arrival and penalties: what must be observed daily.