Ready to cooperate


If you have an interesting idea or project which involves cooperation with Leinonen Group, please feel free to contact us. We want to be the partner of choice for all interest groups.

We are happy to answer questions related to our field of expertise. We do not, however, answer questions considering our customers or their business. 

Leinonen Group provides international accounting, payroll management, administration, advisory, and auditing services in eleven countries in Eastern and Northern Europe. Read more About Us.

High Quality Accounting, Payroll and Professional Advisory Services in 11 countries


Eastern Europe and Scandinavia offer a considerable number of investment and business opportunities

There are multiple reasons for business to invest in Eastern Europe. Some companies are attracted by growing economies and the increasingly wealthier middle class. Others simply want to reduce costs or benefit from the relatively skilled labor force. However, as the level of cross border transactions increases, companies want to monitor and control their financials more intensively. A reliable accounting partner becomes a valuable asset.

We have been helping international companies for years in the region. Our accountants and advisors are familiar with the issues that arise in challenging market environments. We will help you discover the full potential of your target markets.

Read more About us, or Contact us, or visit your Local office.


Why choose Leinonen

Read more about our accounting, payroll and advisory services here!

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Latest news

Hungary: Buyer’s tax number must now be shown on invoices when VAT over specified limit Jan 11

An important change in Hungary’s invoicing regulations took effect from the beginning of 2017. Until now, only seller’s tax number had to be shown on invoices. Now, buyer’s tax number has to also be presented if the VAT of the invoice is 100 000 HUFs or more.
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