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Louhintahiekka is an expert in civil engineering

Louhintahiekka is a leading civil engineering contractor in Finland, delivering critical infrastructure for data centres, industrial investments and urban development.

We act as a true service partner, focusing on proactive problem-solving and reliable project delivery in demanding environments.

We offer comprehensive civil engineering, infrastructure and concrete construction. Our expertise lies in complex and technically demanding construction projects.

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1974
Founded
We have been building Finland forward for 50 years.
170+
Personnel
Our team consists of over 170 experts that we employ directly and about 250 people through our long-term subcontracting partners.
€181M
Turnover
We are one of the leading infrastructure companies in Finland.
67
EMPLOYEE SATISFACTION
An eNPS of 67 reflects our employees’ strong willingness to recommend Louhintahiekka as a workplace.
Operating areas

We build infrastructure for data centres, industry and society

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Data centers

We are a leading datacentre civil engineering contractor in Finland.
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Industrial construction

We deliver large industrial and renewable energy projects across Finland.
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Municipal engineering

We are experts in street and municipal infrastructure projects in demanding urban environments.
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Environment

Environmental services play a significant role in reducing emissions from our operations and finding cost-effective building solutions.
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News

Our recent news

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Louhintahiekka achieves record result in its 52-year history – turnover more than doubles to EUR 181 million

03.09.2026
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COMPANY NEWS
The company’s strong performance was driven by significant contract wins, successful project execution and improved profitability.
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Louhintahiekka to carry out the repair of Turku’s eastern riverside quay

04.06.2026
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Harbours and water works
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COMPANY NEWS
The City of Turku has selected Louhintahiekka to carry out the repair of the eastern riverside quay along the Aura River. The project, valued at approximately €10.4 million, is moving into the construction phase following the completion of the development phase. The works are scheduled to be completed in August 2027.
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Louhintahiekka selected as Polarnode’s main partner for the pre-construction of the Lappeenranta data center project

21.05.2026
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Earthworks
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COMPANY NEWS
Cloud computing company Nebius is building a 310-megawatt data center campus in Lappeenranta. Once completed, it will be one of Europe’s largest data centers dedicated to artificial intelligence computing. In the pre-construction phase currently underway in the Pajarila area, Polarnode’s main partner is Louhintahiekka Oy.
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Louhintahiekka is responsible for the earthworks of Kesko's Nurmijärvi logistics centre

06.05.2026
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Rock engineering and blasting
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COMPANY NEWS
Kesko is building a logistics centre for grocery trade operations in the Ilvesvuori industrial area in Nurmijärvi. In the first phase, the area will include a central warehouse serving Kespro’s foodservice business. Louhintahiekka is responsible for the earthworks in the first phase of the project. The subcontract is scheduled for completion in March 2028.
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Louhintahiekka Oy receives RALA Quality Award in infrastructure construction

13.03.2026
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COMPANY NEWS
Louhintahiekka has been awarded the RALA Quality Award, becoming the first infrastructure construction company in Finland to receive the recognition.
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Pasi Tolppanen joins the board of directors of Louhintahiekka

24.02.2026
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COMPANY NEWS
The Board of Directors of Louhintahiekka will be strengthened as Pasi Tolppanen, D.Sc. (Tech.), joins as a new member. Tolppanen’s extensive and diverse experience in the infrastructure sector, both in board positions and executive leadership roles, brings strong industry expertise and strategic insight to the Board.
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The Näsisaari project continues with deep ground compaction

05.02.2026
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Earthworks
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COMPANY NEWS
Näsisaari is a large artificial island in Lake Näsijärvi in Tampere, where we carried out a major waterbody reclamation project.
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The data centre boom increases the need for experts in civil engineering

17.12.2025
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COMPANY NEWS
The billion-euro data centre investments currently under construction in Finland will significantly increase the demand for labour in the infrastructure sector. Louhintahiekka is involved in several of these projects, being responsible for the critical earthworks and concrete construction phases of data centres, as well as for the implementation of underground technology.
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Join our team

Interested in joining our team?

Join us in building a forward-looking Finland.

We don't have A and B teams. Every single member of the Louhintahiekka team – including our management – is genuinely involved in our projects. As an employer, we offer a clear direction for the future, interesting and challenging projects, and modern and encouraging leadership practices. We are constantly looking for new expertise to take Louhintahiekka forward together – please do not hesitate to get in touch!

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