Leinonen Group companies obey the law and all concluded contracts, and co-operate with individuals and organisations that follow the same principle.


The core value of the organisation lies in professional and reliable staff who gives their best to provide high-quality service to meet different customer needs and to ensure the group’s success. Leinonen Group companies fulfil their promises to customers, employees and partners, and keep confidential any information concerning customers, partners and their companies.


Leinonen Group companies base their activities on customer needs. The Group pays special attention to the level of the services provided to customers and customer requirements.


Leinonen Group companies are always ready to develop further, and aim to enhance both customer services and in-house expertise. The applied technology is modern. At the same time, the company does not aim to work as a pioneer, and does not take unnecessary risks. Staff skills are continually improved. Independent training and enrichment is highly encouraged.


Leinonen Group companies ensure a safe working environment for staff and customers, and promote an open information exchange with colleagues and customers.

High Quality Accounting, Payroll and Professional Advisory Services in 12 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!

Latest news

Insights from Leinonen Bulgaria professional seminar on “posted workers ” Dec 03

On 7th of November Leinonen Bulgaria launched its Advisory Unit on a specially organized seminar named Social security entitlements of posted workers .  The idea was to share Leinonen expertise in Coordination of applicable social security legislation in cross-border situations in EU Member States with business in Bulgaria.