Kotera Groups companies

NCS Concrete Oy, established in 2007, specializes in comprehensive contracting for demanding concrete structures. The company carries out formwork, reinforcement, concreting, post-tensioning, and element installation works, as well as cast-in-place concrete structures for major construction companies across Finland and Sweden. Its operations are mainly focused in the Helsinki metropolitan area, the Pirkanmaa region, and Northern Sweden. The company’s Swedish operations are conducted through its subsidiary, NCS AB. Including subcontractors, the group employs approximately 90 professionals. In 2024, the company’s turnover amounted to approximately EUR 8.9 million, with an EBITDA of about EUR 1.0 million. More information and contact details are available on company’s website: https://laudoitus.fi/

Putcon Oy is a Finnish company founded in 2012 by Miika Kortesalmi, specializing in the design, installation, and maintenance of industrial fire extinguishing and sprinkler systems. The company has rapidly grown to become one of the leading players in its field in Finland and is known for its strong industrial expertise and ability to manage complex projects. Putcon’s headquarters are located in Helsinki, with additional offices in Oulu, Kemi, Kuopio, Valkeakoski and Lappeenranta. The company employs around 40 professionals. Its range of services includes sprinkler systems, water mist, gas, foam, water curtain, and aerosol extinguishing systems, along with related maintenance and inspection services. Putcon operates as a fire protection system design and installation company approved by Tukes (the Finnish Safety and Chemicals Agency). The company’s clientele consists of industrial and energy companies as well as public organizations. More information and contact details are available on company’s website: https://putcon.fi/en/home/

Vastuuremontti Oy is a renovation company based in Rovaniemi, Finland, established in 1974. The company originated when Mauno Molkoselkä founded Maalausliike Molkoselkä to meet the construction and repair needs of the post-reconstruction era in Rovaniemi. Over the decades, the company has grown and evolved from a painting business into a comprehensive provider of renovation and damage restoration services, employing around 25 construction professionals. The company is now led by third-generation entrepreneur Niko Harmanen. More information and contact details are available on company’s website: https://vastuuremontti.fi/

Sähköpalvelu Walberg Ab Oy is an electrical contracting and maintenance company founded in 2009 by Björn Walberg in Pietarsaari. In 2018, the group expanded by acquiring a majority stake in an electrical company based in Vaasa, which now operates under the name Sähköpalvelu Walberg Vaasa Oy. The group’s services include medium voltage installations, electrical contracting, industrial maintenance, turnkey contracting, and operation management services. The total number of employees is approximately 50. Sähköpalvelu Walberg holds an ISO certification for electrical contractors, covering all areas of operation—from planning and implementation to administration and maintenance. The company has extensive experience in industrial environments, where reliability, safety, and adaptability to client needs are key. Public sector references include several daycare centers, schools, and assisted living facilities. The company has also carried out renovation projects for commercial spaces as well as residential projects, including new builds, renovations, and conversions. More information and contact details are available on Sähköpalvelu Walberg Ab Oy’s website: https://sahkopalveluwalberg.fi/

LVI Kurikka Oy offers comprehensive HVACE services in the Pirkanmaa region, relying on the expertise of 75 specialized professionals. The company’s specialized teams ensure versatile and high-quality solutions for all HVAC needs, whether it involves major property plumbing renovations, electric and automation contracting and maintenance, HVAC work for town houses, heat pump installations, oil tank drainings, or system maintenance. As the leading HVAC company in Pirkanmaa, LVI Kurikka Oy focuses on customer-oriented service and fair play. A satisfied customer is our highest reward. More information and contact details can be found on LVI Kurikka Oy’s website: https://lvikurikka.fi/company/

RKM Group Oy, established in 2004, has secured its position as an expert in building condition assessments, indoor air studies, damage assessments, condition management, and in damage restoration in Pirkanmaa. RKM Group’s staff consists of 90 damage restoration professionals, and thanks to a broad cooperation network, the company employs about 130 people in total. The company’s main location is in Pirkanmaa, but it also operates in eight other locations in Southern, Central, and Eastern Finland. More information and contact details can be found on RKM Group Oy’s website: https://rkmgroup.fi/

Bark Oy, founded in 2007, specializes in industrial construction. The company’s roots are in South Karelia in Lappeenranta, but it has expanded significantly in recent years, especially to Northern Finland. Bark undertakes both large and small industrial construction projects, from post-casting of concrete to large factory-specific special projects. Bark’s main clients are Finnish forestry and industrial companies, for whom it carries out various factory and production building space modifications and existing space expansions based on KVR principles. Services also include various infrastructure construction tasks. Bark’s strengths include versatile expertise and project management skills, as well as an established and reliable subcontractor network. The company employs about 20 people and a large number of subcontractors. More information and contact details can be found on Bark Oy’s website: https://bark.fi/

TT-Teknologia Oy, established in 2009, serves customers in eg. mining-, metal-, and paper industries. The company’s expertise includes pipelines, pumping stations, conveyors, and steel structures. TT-Teknologia Oy also offers different industrial maintenance services to its clients. The company is based in Keminmaa, but it provides services across Finland. The company employs about 40 people and a large number of subcontractors and partners. More information and contact details can be found on TT-Teknologia Oy’s website: https://tt-teknologia.fi

Ahosen Palvelut is a reliable and responsible demolition industry expert based in Central Finland. The company carries out comprehensive and renovation demolition contracts, as well as recycling crushing nationwide. Regional services include asbestos and hazardous material surveys and removals, high-power vacuuming and blowing, and diamond cutting. Additionally, the company offers its customers services such as skip hire, waste management, and recycling products. The cornerstones of the company’s success are its skilled staff, careful project planning, and the highest quality equipment in the industry.More information and contact details can be found on Ahonen Palvelut Oy’s website: https://www.ahosen.fi/

Pre One is a metal industry company based in Oulu, specialized in the welding and processing of special metals such as Zirkonium, titans, nickel alloys, Hastelloy, duplex and super-duplex steels, and stainless steel. The company performs installation and welding work for machine shops and the industry with solid expertise, in accordance with ISO 9001:2015, ISO 14001:2015, and ISO 3834-2:2021 quality and environmental standards. The company’s services include hygiene, gas, and factory pipework, special metal pipework, orbital, TIG, and stick welding, heat exchangers, tanks and reactors for the pharmaceutical and chemical industries, zirconium and titanium linings, shutdown penetrations, and technical consultation. More information and contact details can be found on Pre One Oy’s website:https://preone.fi/en/

Kuratek Oy is a company established in 2016 in Järvenpää, Finland, offering comprehensive concrete flooring contracting services. The company specializes in ground-supported concrete floors and seamless fiber-reinforced concrete floors, which are frequently used in industrial halls, logistics centers, and shopping malls. Kuratek collaborates with architects and structural engineers to ensure proper fiber dimensioning and load calculations. The company manages the entire process from ground leveling to the finished floor and uses its own concrete pumping equipment to execute demanding projects within tight schedules and quality requirements. In addition to the aforementioned services, Kuratek also carries out renovations and design concrete floors. More information and contact details can be found on Kuratek Oy’s website: https://kuratek.fi/

KTC Group is an Oulu-based construction company established in 1991 that undertakes office and commercial space projects in Northern Finland, both as renovations and as new constructions. Renovations constitute the majority of the company’s revenue. Its services include, among others, concept renewals of commercial spaces, office remodeling, housing association renovations, and smaller repair and remodeling projects. The company’s core expertise is the execution of exceptionally demanding renovation projects. It has carried out several significant renovation projects, for example for the City of Oulu, including the comprehensive renovations of Oulu City Hall and the Market Hall. For the financial year ending in June 2024, the company’s revenue was 19.5 million euros, with an operating profit of 1.5 million euros. More information can be found on the company’s website: https://www.ktcgroup.fi/