Prosero has acquired Lukitustekniikka-STY Oy and strengthened its position in the south of Finland


Through the acquisition of Lukitustekniikka-STY Oy, Prosero has strengthened its presence in the area around Kotka and Hamina in southern Finland. The company was founded in 1979 and offers services within installation, project management, service and maintenance, as well as a wide-ranging competence within locks and access control systems, door automation, alarm systems, fire alarms, and CCTV.

For many years, the company has delivered strong results and a high-profit margin whilst establishing a strong position as one of the leading players in the industry. Lukitustekniikka has built an attractive customer base combined with a strong relationship with the region’s building and property companies, and had sales of 3 million euros in 2020, with 17 employees based at the company’s offices in Kotka and Hamina.

“During the years, the company has developed into a major supplier of locks and security systems. We have always had a strong desire to be at the forefront of the industry combined with a desire to develop the business for the benefit of our customers. The new ownership structure strengthens the company’s competitiveness as well as making it possible for us to continue growing in the future. Lukitustekniikka’s operations will continue in Kotka and Hamina as previously and, on top of this, we now have significant support from the Prosero Group,” says Jukka Lilja and Matti Laitila, operation managers, Lukitustekniikka-STY Oy.

“We are proud to be able to welcome Lukitustekniikka to Prosero. They have a strong position in the market in a region that is of strategic importance to us. Together they are a great complement to our existing operations and strengthen our ability to deliver in attractive projects,” Fredrik Gren, CEO, Prosero Security Group AB, commented.

Prosero is the leading Nordic supplier of technical security solutions, with years of experience and a strong local presence in 89 locations in Sweden, Norway, Denmark, and Finland

Prosero is made up of local leaders in security – a network that unites the local presence and flexibility of smaller companies with a larger company’s stability and digital expertise. Prosero delivers competence and provides cutting-edge security technology that is adapted to each customer’s needs and applications. Its service offering includes consulting, integration, operations, maintenance, service, and monitoring of alarms, access control, camera systems, locks, and fire safety. Prosero has 53 locations in Sweden, 25 locations in Norway, 6 locations in Denmark, and 5 locations in Finland. Its total turnover amounts to nearly SEK 2,000 million.


Fredrik Gren
CEO, Prosero Security Group AB
+46 705 116 499

Matti Laitila
Operation manager, Lukitustekniikka-STY Oy
+358 405 433 177

Jukka Lilja
Operation manager, Lukitustekniikka-STY Oy
+358 445 013 297

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