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VAT Compliance Abroad

VAT Compliance Abroad • OSS • IOSS • EU VAT • Foreign VAT Registration

VAT Compliance Abroad

Find a VAT compliance accountant for cross-border sales, foreign VAT obligations, OSS returns, IOSS review and international VAT registration. Selling abroad is not only a commercial decision. It may create VAT obligations in another country, require foreign VAT registration, customer-country VAT rates, OSS reporting, import VAT review, invoice controls, evidence files and recurring compliance monitoring.

At N. KOLYDAS I.K.E., our accounting office supports Greek businesses, e-commerce sellers, service providers, foreign companies and international operators that need a structured VAT compliance route outside Greece. Here you will find professional support for EU VAT, OSS/IOSS, cross-border B2B and B2C transactions, distance sales, foreign registrations and compliance risk review.

Global VAT Orbit One transaction can create VAT signals in more than one jurisdiction.
OSS
IOSS
VAT
EU
Route A OSS VAT Reporting

For EU distance sales, B2C services and businesses that need a simplified cross-border VAT declaration route.

Route B Foreign VAT Registration

For cases where OSS is not enough and the business may need a local VAT number abroad.

Route C B2B Cross-Border VAT

For intra-EU supplies, reverse charge, VIES checks, invoice wording and evidence files.

Route D Import / IOSS Review

For e-commerce, imported goods, low-value consignments and platform-driven VAT obligations.

0 Years of accounting, tax and business advisory experience.
0 Accountants supporting VAT, OSS, myDATA and cross-border compliance.
OSS Support for EU One Stop Shop VAT reporting and compliance monitoring.
360° VAT route review, invoicing, evidence, registrations, returns and compliance.
Find a VAT compliance accountant for international sales

Here you will find a structured VAT route before your business sells abroad.

VAT compliance abroad is one of the most sensitive areas of international business. A transaction that looks simple commercially may require different VAT treatment depending on the customer type, country of consumption, type of goods or services, stock location, import route, platform involvement, local thresholds, invoice rules and available simplification schemes. The correct VAT route should be reviewed before the business starts selling, not after penalties, blocked marketplaces or late registrations appear.

What we clarify before choosing the VAT route

Our role is to map the cross-border VAT position before filings begin. This helps the business decide whether it can use OSS, whether foreign VAT registration is required, whether the customer is B2B or B2C, whether reverse charge applies and what documentation must be retained.

Transaction type Goods, services, digital services, marketplace sales, imports, exports or intra-EU supplies.
Customer profile B2B, B2C, VAT-registered customer, non-taxable person or platform-facilitated transaction.
VAT reporting route Greek VAT return, OSS, IOSS, foreign VAT registration, reverse charge or local return abroad.
Evidence and invoicing Invoice wording, VAT number validation, transport evidence, marketplace reports and audit file.
Who is this service designed for?
This service is designed for Greek businesses selling abroad, e-commerce sellers, digital service providers, companies using marketplaces, businesses with foreign stock, importers, exporters, service providers and foreign companies that need an EU VAT compliance route.
Is OSS always enough?
No. OSS is useful for specific B2C cross-border transactions in the EU, but it does not replace all local VAT obligations. Foreign VAT registration may still be required in cases involving local stock, certain domestic supplies, import procedures, warehouses, marketplaces or local activities.
Can you support foreign VAT registration?
We can review whether a foreign VAT registration may be needed and coordinate the tax and accounting side of the case. Where local representation, local filing or local advice is required, coordination with local VAT specialists may be necessary.
Why should VAT compliance be reviewed before expansion abroad?
Because late VAT registration, wrong VAT rates, missing invoices, insufficient transport evidence or incorrect use of OSS can create penalties, cash-flow problems, marketplace restrictions and difficult retroactive corrections.
VAT compliance route finder

Choose the VAT route that matches your international transaction.

There is no single VAT treatment for all foreign sales. The route depends on whether the sale is B2B or B2C, whether goods move across borders, whether stock is stored abroad, whether a platform is involved and whether the business can use a simplification scheme.

OSS route

One Stop Shop VAT Reporting

This route is suitable where a business makes eligible cross-border B2C sales within the EU and wants to declare and pay VAT through the OSS rather than registering separately in every customer country.

  • OSS eligibility review for goods, services or digital services.
  • Customer-country VAT rate and reporting route review.
  • Quarterly OSS return support where applicable.
  • Record-keeping and evidence file organisation.
Submit OSS VAT Case
Foreign registration route

Foreign VAT Registration and Local VAT Returns

This route is relevant when a business may need a VAT registration in another country, for example because of local stock, domestic transactions, warehouse activity, local supply chains or situations not fully covered by OSS.

  • Foreign VAT registration risk review.
  • Country-by-country VAT obligation mapping.
  • Coordination with local VAT professionals where required.
  • Recurring return and compliance calendar planning.
Review Foreign VAT Registration
B2B route

B2B Cross-Border VAT, Reverse Charge and Evidence

This route is suitable where the business sells goods or services to VAT-registered business customers abroad. The VAT treatment should be supported by correct invoice wording, VAT number validation and transport or service evidence.

  • B2B customer and VAT number review.
  • Reverse-charge and place-of-supply assessment.
  • Invoice wording and accounting treatment check.
  • Evidence file for intra-EU supplies and audits.
Submit B2B VAT Review
Import / IOSS route

Import VAT, IOSS and E-Commerce VAT Review

This route is relevant for sellers importing goods into the EU, shipping low-value consignments, using platforms or needing to understand how import VAT, IOSS and marketplace rules affect their sales.

  • IOSS eligibility and low-value shipment review.
  • Import VAT and customs-side VAT alerts.
  • Marketplace deemed-supplier risk points.
  • E-commerce VAT reporting workflow.
Review Import VAT Route
Control route

VAT Cleanup and International Compliance Review

This route is suitable for businesses that already sell abroad but are unsure whether VAT has been charged, reported and documented correctly. It helps identify exposure before expansion, audit or marketplace review.

  • Review of historical cross-border sales.
  • Identification of missing VAT registrations or OSS issues.
  • Invoice and marketplace report review.
  • Correction and future compliance roadmap.
Request VAT Compliance Review
International VAT compliance services

Support for cross-border VAT before, during and after foreign sales.

Here you will find VAT services for businesses that need a professional accounting office to review international VAT exposure, OSS/IOSS routes, foreign VAT registration, invoice treatment and recurring compliance.

01

VAT Route Assessment

Review of the transaction flow before selecting the VAT reporting route.

  • B2B or B2C classification
  • Goods or services
  • Place of supply
  • Customer country review
02

OSS / IOSS Support

Support for businesses using or reviewing EU VAT simplification schemes.

  • OSS eligibility
  • IOSS route review
  • Return preparation support
  • Record-keeping controls
03

Foreign VAT Registration Review

Assessment of whether the business may need VAT registration abroad.

  • Country-by-country risk map
  • Local stock checks
  • Warehouse and marketplace review
  • Coordination with local advisors
04

Invoice and Evidence Review

Support for correct invoice treatment and audit-ready VAT documentation.

  • Invoice wording
  • VAT number checks
  • Transport evidence
  • Marketplace reports
International VAT alerts

Issues that should be checked before VAT compliance becomes a problem.

VAT errors abroad usually appear when the business expands faster than its tax workflow. The most common risk points are incorrect VAT rates, missing foreign registrations, wrong invoice treatment, insufficient evidence and late OSS/IOSS reporting.

01

B2C customer-country VAT

Sales to final consumers may require VAT treatment based on the customer’s country, depending on the transaction route.

02

OSS is not universal

OSS can simplify certain B2C EU reporting, but it does not remove every foreign VAT registration obligation.

03

Local stock abroad

Holding stock in another country may trigger local VAT registration and recurring local returns.

04

Invoice wording

Cross-border invoices must match the correct VAT treatment, customer status and place-of-supply conclusion.

05

Evidence files

VAT treatment should be supported by customer data, VAT numbers, transport evidence, platform reports and records.

06

Marketplace rules

Platforms may affect VAT responsibilities, deemed-supplier rules, transaction data and reporting route.

How we work

A structured route from transaction mapping to recurring VAT compliance.

International VAT compliance should follow a disciplined process. We first understand how the transaction works, then classify the VAT route, identify registrations or simplification schemes and finally create a practical filing and evidence workflow.

1

Transaction Intake

We collect sales channels, customer countries, products, services, stock locations and platform data.

2

VAT Classification

We classify sales as B2B, B2C, goods, services, digital, imports, exports or intra-EU supplies.

3

Compliance Route

We identify Greek VAT, OSS, IOSS, foreign VAT registration or reverse-charge treatment.

4

Filing Workflow

We organise return periods, reporting data, invoice rules, VAT rates and payment monitoring.

5

Evidence Control

We help build a file with invoices, VAT checks, transport documents, platform reports and reconciliation data.

VAT compliance signals

Key signals that determine the correct foreign VAT route.

These signals do not replace a full VAT review. They show the areas that usually determine whether the business can report through Greece, use OSS/IOSS or needs VAT registration abroad.

B2B Business customer route VAT number, reverse charge, invoice wording and transport or service evidence must be reviewed.
B2C Consumer country route Customer-country VAT rates and OSS eligibility may become relevant for EU sales.
€150 IOSS shipment signal IOSS may be relevant for low-value goods imported into the EU under specific conditions.
15% EU standard VAT floor EU standard VAT rates vary by country but cannot be below the EU minimum standard rate.
0

VAT Abroad Readiness

Many businesses sell abroad before their VAT workflow is ready. A pre-expansion review reduces exposure.

Readiness checklist

What should be clear before selling abroad.

If these points are not clear, the business should not rely on a default VAT treatment. It should first review the transaction flow, customer profile, country exposure and reporting route.

Who is the customer? B2B, B2C, VAT-registered business, non-taxable legal entity or platform-facilitated sale.
Where is the supply taxed? The country of taxation may depend on goods movement, customer status, service type and place-of-supply rules.
Can OSS or IOSS be used? Simplification schemes should be reviewed against the exact transaction type and business location.
Is evidence available? Invoices, VAT numbers, customer location data, transport proof and platform reports should be retained.

Professional note

VAT compliance abroad should not be treated as an after-sale correction. The correct VAT route must be built into the business model, invoicing process, platform setup, accounting records and filing calendar before the business scales internationally.

Service deliverables

What our VAT compliance abroad support can include.

The exact scope depends on countries, sales channels, products, services, customer type and whether the case is a new expansion, an active business or a cleanup review.

Cross-border VAT route assessment

We review the transaction model and identify the VAT reporting route before sales abroad become recurring.

  • B2B/B2C classification
  • Goods and services review
  • Country exposure map
  • Initial VAT risk report

OSS / IOSS and reporting support

We support the business in reviewing, preparing and monitoring VAT simplification scheme obligations.

  • OSS eligibility review
  • IOSS route assessment
  • VAT rate and sales data controls
  • Return preparation support

Foreign VAT registration coordination

Where local VAT registration may be required, we coordinate the tax and accounting side of the route.

  • Foreign registration trigger review
  • Local return calendar planning
  • Document and data checklist
  • Coordination with local VAT professionals

Invoice, evidence and audit file review

We help organise the supporting documents needed for correct VAT treatment and future audit readiness.

  • Invoice wording review
  • VAT number and customer status checks
  • Transport and location evidence
  • Marketplace and platform reports

Why choose N. KOLYDAS I.K.E. for VAT compliance abroad?

Our accounting office combines Greek VAT expertise, OSS/IOSS support, myDATA understanding, cross-border transaction review and practical accounting implementation. This matters because international VAT compliance must work in the real business process: invoices, platforms, marketplaces, accounting software, VAT returns and evidence files must all follow the same VAT conclusion.

26 years of expertise Long-standing professional experience in Greek accounting, VAT and business compliance.
Dedicated accounting team A structured office with a team able to support recurring VAT and cross-border obligations.
OSS and international VAT focus Support for businesses that sell to customers abroad and need a structured VAT reporting route.
Practical compliance workflow VAT treatment, invoicing, evidence and reporting are reviewed as one connected process.
Pull-down case menu

Common VAT abroad scenarios we review.

Each VAT case has different reporting, registration and evidence requirements. Open the relevant scenario below to see what usually needs to be checked.

We sell products online to consumers in other EU countries.
We usually review whether the sales can be reported through OSS, whether customer-country VAT rates apply, how platform data is collected and how the business keeps the required sales and VAT records.
We sell to VAT-registered businesses abroad.
We review customer VAT status, invoice wording, reverse-charge treatment, VIES-related checks, transport evidence and whether the accounting entries support the VAT treatment.
We keep stock or use a warehouse in another country.
Local stock abroad can create VAT registration obligations in that country. We review the warehouse route, domestic supplies, returns calendar and whether local VAT support is needed.
We import goods into the EU and sell online.
We review import VAT, IOSS eligibility, low-value shipments, customs-side VAT issues, marketplace involvement and the correct reporting workflow for the sales model.
We already sold abroad and are not sure if VAT was handled correctly.
We review previous sales data, invoices, VAT rates, countries, customer types, marketplace reports and possible registration or correction routes before the exposure increases.
Detailed FAQ

Questions businesses usually ask before selling abroad.

These questions help determine whether the first step should be OSS review, foreign VAT registration, B2B VAT treatment, IOSS review or compliance cleanup.

What does VAT compliance abroad mean?
VAT compliance abroad means reviewing whether sales outside the home country create VAT obligations in another country, require a special reporting scheme, need a foreign VAT registration or must be documented with specific invoices and evidence.
When should a business use OSS?
OSS may be relevant for eligible cross-border B2C sales within the EU. It allows a business to declare VAT due in other EU countries through a simplified system instead of registering separately in each customer country for those covered transactions.
When is foreign VAT registration still needed?
Foreign VAT registration may still be needed where the business stores goods abroad, makes local domestic supplies, imports goods, uses certain warehouse or marketplace structures, or carries out activities not fully covered by OSS.
Does B2B cross-border invoicing need special wording?
Yes. B2B cross-border invoices should reflect the correct VAT treatment, customer VAT status, reverse-charge conclusion where applicable and supporting documentation. The invoice should match the accounting treatment.
What is IOSS?
IOSS is a simplification route for declaring and paying VAT on certain low-value goods imported into the EU. Eligibility depends on the value, product type, import route and sales model.
Can you file VAT returns in every foreign country?
We can support the VAT route review, data organisation and coordination. Where local filings, fiscal representation or local-language submissions are required, cooperation with local VAT professionals may be necessary.
What documents are usually needed for a VAT abroad review?
We usually need sales data by country, customer type, product or service category, invoices, platform reports, VAT numbers, stock locations, transport documents, import documents and information about marketplaces or warehouses.
What is not included in the initial VAT compliance review?
Unless separately agreed, the initial review does not include local foreign filings, legal representation, customs brokerage, platform technical setup, software implementation, local tax opinions, penalties management or historical reconstruction beyond the agreed scope.

Need VAT compliance support for sales abroad?

Submit your VAT case before the business expands further. We will review the countries involved, customer type, sales model, OSS/IOSS route, foreign VAT registration exposure, invoicing, evidence and recurring compliance steps.

Let’s Talk!

Thinking of establishing a company? Are you looking for reliable partners to manage your accounting records or for tax advice?

Schedule an appointment by phone, and we will be delighted to discuss potential collaboration with you. 

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Operated by N. KOLYDAS I.K.E International Tax, VAT & Business Setup Services in Greece