Leinonen: Reliable Business Accounting Company

Leinonen has been providing reliable accounting services for local and foreign-owned businesses in Northern and Eastern Europe for more than three decades. We understand the details of conducting international, cross-border commerce in the countries we operate.

Our Mission

We offer high-quality accounting and financial management services, enabling clients to focus on their core business.

Accounting, Payroll, Tax & Legal since 1989


employees worldwide


years in business


satisfied customers


countries we operate in

About Leinonen

Leinonen is a company with strong Finnish roots. We are proud to be a reliable partner in accounting industry for over 3 decades now. Our Nordic heritage and long-term vision is reflected in the way we operate: trustworthy, ethical, yet easy to work with. 

By keeping true to our values Leinonen has proved to be a stable company, growing year by year. The cornerstone for our success is our people. Having experienced, multilingual accountants and consultants ensures we can offer the best service to our clients.

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The Many Benefits of Working with Leinonen


We are a well-established company with “Infinity game” as part of our vision, meaning we build our organization not with an aim of fast profit, but continues business.


We take immense pride in the exceptional quality of services we consistently provide to our clients.

Cross-border expertise

Being present in 11 countries, we can support our clients cross-border. We understand the needs of multinational/ international clients and can support them with their global accounting or payroll requirements.

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Our Services

We support our client’s growth by taking care of their accounting and legal needs.

We are dedicated to supporting clients’ growth. We do that by offering full cycle Quality accounting and payroll services. Cover all the basics, put professionals on the case, tailor the service for our clients, make sure to constantly improve, be easy to work with – that is what we mean by Quality.

Get in Touch

To learn more about our services, simply fill out the contact form on our website. We will try to get back to you shortly to provide more information.



Contact us by email, via the contact form on the website, or give us a call. We will try to get back to you as soon as possible.


Lets Talk

We will schedule a virtual meeting with one of our team members, during which we will get to know you and your needs.



Once we have all the necessary information, we will present you with a no-obligation offer for your request.

Recent Posts

July 11, 2024 -

Navigating Leadership in the Baltics: Povilas Sadaunykas’ Journey 

Povilas Sadaunykas has been at Leinonen for a little over a year but has already made his mark. In this interview, we discussed his dynamic…

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June 27, 2024

6 Great Reasons to Outsource Payroll

Payroll management can present challenges regardless of a company’s size. For small businesses with few team members, finding time to manage payroll is often tricky…

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March 20, 2024 -

Ákos Journey: Leading with Vision and Values at Leinonen Hungary

Explore the story of Ákos, the Country Manager at Leinonen Hungary, and uncover why he was initially taken aback by the company’s Finnish work culture.…

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