World-class accounting, payroll management, advisory and administration services in Finland


Leinonen offers services that enable companies to successfully conduct international business. We are specialists in accounting who can handle any industry related questions and offer unique possibilities for outsourcing. Moreover, Leinonen takes care of payroll management issues and provides professional advice related to accounting and international business operations. Various administrative services are also a natural part of our service selection.


Leinonen Finland serves mainly Finnish but also international customers of all sizes. The Helsinki Office belongs to the international accounting and advisory company Leinonen Group.

Strong customer focus


Our service is customer oriented. This means that despite each company having its own needs, Leinonen always develops a service package uniquely tailored to the requirements of the customer. Our customers receive a professional and personal service in regard to all accountancy related questions. Our strength is our well-trained and experienced staff, whose aim it is to maintain mutually beneficial international customer relationships.

Outsource – Concentrate on core business


Focusing on the core business is important when operating in foreign markets. A very typical decision that companies make, regardless of the industry, is to outsource accounting and all related administrative work to a reliable partner. For a majority of international companies, this is simply a natural part of a successful and effective business.  

Outsourcing accounting services is not only popular due to its cost efficiency but also because of the better results and quality it guarantees. Moreover, having a trustworthy accountant is one of most valuable assets a company that requires full control and security over its business operations can have. 

Cooperating with us on your accountancy needs prevents you from making mistakes in accountancy related issues and allows you therefore to concentrate on your core business. We are always abreast of developments in the industry and working with us thus saves you time and energy.   

The benefits of outsourcing accounting are for example:
  • Uninterrupted accounting 365 days per year
  • No employee sick leaves, holidays or maternity breaks.
  • Top quality services at reasonable price
  • Up-to-date understanding of local bureaucracy and business law
  • Financially valuable information available on demand
  • Reports and Financial Statements on time
  • Possibility to concentrate on developing other areas of successful business

Accountants and advisors at your service


The problems expanding businesses experience in new markets are often related to cultural and business administration differences between countries. Although the common regulations in the European Union make the business environment in our service region more stable, the accounting standards, laws, rules and best management practices still vary greatly.      

All Leinonen offices are adapted to local business conditions and possess the latest knowledge of the industry. Our managers and accountants are familiar with a number of business cultures, international accounting standards and the local legislation, and are therefore able to help customers solve their problems.     

See the full international service region of Leinonen Group.  
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Leinonen Finland - 

High Quality Accounting

Serving an increasing number of international customers with cross border issues

In Finland we offer wide range of financial administration services, including accounting, payroll, advisory and other supportive services. We are authorized accounting firm, which is a guarantee of professional financial administration. Read more about our services.

Leinonen is closely involved in developing Finnish-Estonian and Finnish-Russian trade. Currently the competition for foreign investments in the Baltic Sea Region is tight and the Governments are trying to attract international companies in order to create jobs and guarantee tax revenues. We have noticed that an increasing number of Russian and Estonian companies are now interested in Finnish markets and wish therefore to cooperate with Leinonen. Ask for a quotation. 

If you wish us to write about a specific subject or you have questions concerning accounting, payroll or other financial administration issues, please send your questions to us to by email to contact(at)leinonengroup.fi. We aim to answer all questions and inquiries as soon as possible. 

For more details, Contact us.


Member of Association of Finnish Accounting Firms. Read more what it means to be authorized accounting firm.

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