Tax Advisory (Pre-Entry Survey and Requirement Definition)

Before moving forward, a winning strategy.

Organize tax, commercial, and practical issues prior to overseas expansion. This is a pre-expansion advisory service to accelerate decision making and reduce backtracking.

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Tax Design Makes a Difference for Overseas Expansion

With the expansion of cross-border e-commerce and overseas sales, it is becoming increasingly important to organize VAT/GST, commercial distribution, contracts, and billing and tax payment systems before entering the market. The accuracy of the initial design will determine future costs and risks.

This is the best choice for people like you.

Companies wishing to enter new overseas markets

Companies wishing to sort out tax issues in candidate countries for expansion

Companies that are having trouble defining requirements internally

Companies that want to compare commercial distribution such as EC, wholesalers, distributors, etc.

Companies that want to understand the practical workload before making investment decisions

Companies that want to streamline their expense reimbursement flow while also recovering VAT

Companies for which cost optimization is a management issue

Service Strengths

Ability to organize issues prior to entry into the market


We organize not only taxation, but also commercial distribution, contracts, and operations to visualize the overall picture necessary for business decisions.

Requirements Definition that Falls into Practice


We go beyond theoretical issues to develop realistic requirements with an eye to internal systems and system operation.

Experiential knowledge of cross-border EC


Based on EC and platform practices, we can identify ahead of time the issues that are likely to arise after expansion.

Service Details

Tax Advisory (Pre-entry survey and requirement definition) is a service for companies considering overseas expansion or cross-border EC expansion to organize tax, commercial distribution, and operational design prior to entry. While confirming the target countries, sales channels, products handled, and logistics schemes, we also extensively check whether VAT/GST registration is required, invoice requirements, tax payment and filing practices, invoice issuance, processing of returned goods, and issues related to consignment sales and the use of agents. Then, we sort out the possible risks, necessary internal systems, system support, and operational burdens, and put them into a feasible entry plan. Our service is characterized by our ability to link the creation of decision-making materials for management to the definition of requirements for the execution department.

Frequently Asked Questions

Q.

At what stage can I consult with you?

A.

We can consult with you from the conceptual stage. Even if you have not yet decided on a destination, we will support you from the initial discussion of the issues.

Q.

Can you handle multiple target countries?

A.

It is possible to We can compare issues for each candidate country and assist in prioritizing them.

Q.

Can you handle other commercial channels besides EC?

A.

Yes, we are looking for a distributor. Wholesale, distributor, and direct sales can also be organized on the premise.

Q.

Is it possible to create documents for internal explanations?

A.

Yes. It can be compiled as an organizing document for decision-making.

Q.

Can I also request implementation support afterwards?

A.

Possible. We provide a one-stop service from registration, filing, to operational design.

Q.

Do I need the original receipt?

A.

It varies from country to country, but many countries can accommodate scanned data.

Flow up to the start of service

  • 01

    Inquiry/Hearing
    We will ask you about your target countries, products, and planned sales channels.

  • 02

    Proposal
    We will propose a scope of investigation and provide an estimate.

  • 03

    Research, analysis, and report writing

    Conduct surveys and prepare reports.

  • 04

    Delivery and acceptance inspection

    Delivery and acceptance inspection are required.

Why choose OPTi?

OPTi Corporation is a specialized international indirect tax firm, providing VAT, sales tax, and GST registration and filing services in over 170 countries worldwide.
We have extensive experience in Europe, the UK, and Asia, and support a wide range of clients from major corporations to cross-border e-commerce businesses.
With our global network of local partners and the latest tax system knowledge, we can certainly support your global business from a tax perspective.

Our Expert Team Is Here to Help

For International Tax Matters, Turn to OPTI

Have questions about tax challenges, VAT registration, or tax filing in overseas markets? Get in touch — we'll find the right solution for you.