You registered your Belarusian company in two days. From day one of operations, you are on the clock for filings — and the country has rules that don’t always look like what you are used to. Two parallel reporting streams, mandatory Russian-language documentation, fixed deadlines that the tax authority does not negotiate, and a real cost for missing them.
This guide is for foreign-owned companies — LLCs, joint stock companies, branches and representative offices — that have already registered or are about to. We walk through what you have to file, when, in what format, who can sign it, and what happens if you slip. The aim is for you to leave this page knowing exactly what your year looks like on paper.
The most useful thing to understand before any of the deadlines makes sense: in Belarus, your company runs on two parallel reporting streams — accounting reporting and tax reporting. They are governed by different laws, filed at different times, in different formats, and serve different purposes. They are not the same thing, and submitting one does not excuse you from the other.
Accounting reporting is governed by Law of the Republic of Belarus No. 57-Z of 12 July 2013 “On Accounting and Reporting”, currently in force in the version amended by Law No. 134-Z of 16 March 2026 (effective 21 March 2026). It produces the annual financial statements: balance sheet, profit and loss, changes in equity, cash flow. The audience is the state, your shareholders, and anyone evaluating your company’s solvency.
Tax reporting is governed by the Tax Code and produces declarations: corporate income tax, VAT, real estate tax, social security contributions, payroll taxes. The audience is the tax authority, and the purpose is to calculate what you owe.
Foreign owners frequently assume their accountant in Moscow or Almaty can “just adapt” what they already do. That is not how this works. Belarusian standards are local, the language is Russian or Belarusian, the currency on the books is the Belarusian ruble, and the deadlines are set by Belarusian law. If you want a refresher on the tax side specifically, our piece on corporate taxes in Belarus covers rates, regimes, and what foreign-owned companies actually pay.
Under Law 57-Z, all Belarusian legal entities have to maintain accounting records — including those that are 100% foreign-owned — and so do representative offices and branches of foreign organisations. There are very few exceptions, and “the parent already files in another country” is not one of them.
There is one update worth flagging because it caught a lot of foreign businesses off guard. From 1 January 2025, foreign organisations whose activity in Belarus qualifies as a permanent establishment under Article 180 of the Tax Code have been required to keep Belarusian-style accounts from the start of that activity — not just file tax declarations. Several branches that had been operating semi-formally for years had to retroactively reconstruct their bookkeeping. If your structure includes any kind of permanent presence, this is the rule that applies.
Three options for who actually does the work:
Honestly: for foreign owners, outsourcing is almost always the right call. You skip the employment law complications, you get continuity, and you get someone who already speaks the relevant language to the tax inspector. Our outsourced accounting service works with foreign-owned companies regularly and we are happy to scope what your company actually needs.
This is the centrepiece of the accounting reporting stream. Once a year, every Belarusian company submits a full set of financial statements covering the previous calendar year.
Per Article 15 of Law 57-Z, the standard annual package consists of:
Deadline: no later than 31 March of the year following the reporting year. Statements for 2025 are due by 31 March 2026; statements for 2026 are due by 31 March 2027. The tax authority does not extend this date casually.
Format: electronic, submitted through the taxpayer’s personal account on the Ministry of Taxes and Duties portal or via standard accounting software (1C, SBIS, and similar). Paper filing is technically still on the books but practically nobody uses it any more.
Language: Russian or Belarusian. There is no English filing option. If your parent company needs the statements in English for consolidation or audit, that is your translator’s problem, not the tax authority’s.
Currency: Belarusian rubles (BYN). All foreign-currency transactions are translated at the official National Bank of Belarus exchange rate on the date of the transaction. The reporting date itself is also a translation date for monetary assets and liabilities denominated in foreign currency.
On top of the annual package, most companies on the General Tax System file interim reporting — usually quarterly, sometimes monthly for larger taxpayers. Interim reporting is lighter than the annual package, but it is not optional.
This is the part most readers come here for. Below is the typical calendar for a Belarusian LLC on the General Tax System with employees. Special regimes (STS, HTP) and structures like representative offices have their own variations, which we flag underneath the table.
| Filing | Frequency | Filing deadline | Payment deadline |
|---|---|---|---|
| Annual financial statements | Annual | 31 March | — |
| Corporate income tax | Quarterly | 20th of next month | 22nd of next month |
| VAT | Quarterly (or monthly) | 20th of next month | 22nd of next month |
| Social Security (FSZN) | Quarterly | 20th of next month | On payday |
| Belgosstrakh (work injury insurance) | Quarterly | 25th of next month | 25th of next month |
| Personal income tax (employees) | Quarterly report; monthly withholding | 20th after quarter end | On the day of salary payment |
| Real estate and land tax | Annual | 20 March | Quarterly instalments |
The exception worth knowing: large VAT payers (typically those above a turnover threshold set by the Ministry of Taxes and Duties) file VAT monthly rather than quarterly. Your accountant will flag this if it applies. Companies in the High-Tech Park have a different income tax position (0% on qualifying activity) but the same calendar for VAT, FSZN, and payroll.
One detail foreign owners miss with surprising regularity: zero activity does not mean zero filings. If your company had no operations during a quarter, you still file a zero declaration. Skipping it because “there’s nothing to report” is the most common way new companies pick up their first fine.
Bookkeeping is built on primary documents — the acts, invoices, delivery notes, cash receipts that record each individual transaction. Without them, an operation is not formally documented, regardless of whether the money moved or the goods were delivered.
Article 10 of Law 57-Z lists the mandatory fields a primary document must contain: name of the document, date of issuance, names of the parties, description of the operation, units of measurement, signatures and positions of the people responsible. Drop a field, and the document is not legally a primary document.
Electronic primary documents are fully accepted and broadly used in 2026. Belarus has solid e-document infrastructure — qualified electronic signatures, EDM systems, automated exchange with counterparties — and most growing companies move to electronic flow within their first year. It cuts the storage problem and makes the auditor’s life easier.
Foreign-language documents from overseas counterparties are accepted, but the moment they need to support an entry in the Belarusian books — say, you are deducting an invoice from a German supplier — they need a Russian or Belarusian translation. Whether the translation has to be notarised depends on the document type and the size of the operation.
There is one area where foreign-owned companies need to pay particular attention: foreign-currency operations and cross-border settlements. These are subject to currency control under Belarusian banking rules. Each cross-border contract above a defined threshold has to be registered with the bank servicing the account, and the bank monitors the flow against the registered terms. This is not a paperwork formality — it is a control loop, and breaks in it (incomplete documentation, expired contract registrations, mismatches between invoices and payments) lead to blocked transfers. Having a Belarusian bank account properly set up from the start saves a lot of friction here.
Belarusian penalties for late or incorrect filings are calibrated in base units. From 1 January 2026 the base unit is 45 BYN, so the figures below translate directly.
Here is the part nobody talks about: the fine itself is rarely what hurts. The real cost is the bank account block. Systematic non-filing or unpaid taxes trigger an enforcement order from the tax authority that freezes outgoing payments from your account. Salaries don’t go out, suppliers don’t get paid, payroll-related contributions accrue interest. Operations stop. Unblocking takes days at best, and during that time you are explaining to your team why their salaries are late. We have unwound this for clients who came to us after the fact, and the answer is always the same: it would have been ten times cheaper to file the zero declaration on time.
Internally, you can keep whatever working translations help you and your shareholders understand the numbers. The official primary documents, accounting registers, and statutory reports must be in Russian or Belarusian. There is no English-language filing option with the Belarusian tax authority.
The accounting work has to be done by someone qualified to do it under Belarusian rules — either an in-house chief accountant, a Belarusian-licensed accounting firm, or, for micro-businesses, the director personally. A foreign chief accountant in your parent company can supervise and consolidate, but cannot replace the Belarusian-side bookkeeping function.
31 March 2026. The same deadline applies every year — three months after the close of the reporting calendar year.
Yes. Representative offices of foreign organisations are explicitly covered by Law 57-Z and have to maintain books and file periodic reporting, even though they are not independent taxpayers in the usual sense. The set of filings is lighter than for an LLC, but the obligation to keep accounts is the same.
Belarusian companies generally file under national accounting standards. IFRS reporting is required for certain categories of organisations (banks, insurers, listed companies, organisations of public significance) and is permitted on a voluntary basis for others — but it does not replace the obligation to maintain accounts under Belarusian standards. In practice, IFRS in Belarus is an additional reporting layer, not a substitute.
For a typical foreign-owned LLC with five to fifty operations a month and a small staff, expect 200–800 BYN per month. The variation reflects transaction volume, payroll size, whether you have foreign-currency operations, and whether the company is on the General or Simplified system. Companies with high transaction volume or complex cross-border structures pay more; micro-businesses with a handful of monthly entries pay less.
Belarusian accounting is not exotic. It runs on the same building blocks as everywhere else — debits, credits, accruals, reconciliations. What makes it specifically Belarusian is the language, the currency, the local standards, and the calendar. None of those things are optional, and none of them can be done remotely from your home office without a Belarusian-licensed person on the books.
The good news is that the system is predictable. If your books are clean and your filings go in on time, the tax authority leaves you alone. The companies that get into trouble are almost always the ones that treated the requirements as a suggestion in the first six months — and by month nine, were unblocking their bank account.
If you want a clear read on what your specific structure needs — what’s due, when, who should be doing it, and what it should cost — get in touch. We work with foreign-owned companies across Russia, China, the UAE, Turkey, India, the EU, the UK, and the US, and a first scoping conversation usually takes 30 minutes.
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