Prosero acquires locksmith Avainahjo OY in Finland; increases local presence to 100 locations


Prosero’s acquisition of locksmith Avainahjo OY in Finland brings its presence in the Nordic region to 100 locations. Avainahjo was founded in 1956, and offers aftersales products and services within technical security to the housing sector. The acquisition of Avainahjo will strengthen the group throughout Helsinki and the surrounding area.

Prosero has completed several important acquisitions in Finland during 2021. With this latest addition, one of Helsinki’s oldest and most reputable locksmiths joins the Prosero team. Through a high level of service and many years as a provider in the region, Avainahjo has developed a well-known brand and a strong position in technical security for the housing sector. Their offer includes lock inspection and replacement, camera surveillance, door intercoms, door openers, and alarm systems in combination with service agreements and maintenance. By providing excellent service, Avainahjo has gained a stellar reputation with customers such as the public sector, city property owners, and large construction companies. In 2020, Avainahjo’s turnover reached EUR 1.9 million. During 2021 the company’s revenues have exceeded forecasted levels. Avainahjo has 13 employees working from the office and shop in Helsinki’s fishing port.

Vesa Ojala, CEO of Avainahjo OY, says: “Prosero has a fantastic team in Finland and it’s great to be part of that team. We’re growing, and we know this move will contribute to making our services even better. Our operations will continue as before, but as part of Prosero, we’ll be able to give our customers even better service and coverage. We want always to listen to our customers and offer the best solution. Avainahjo OY is enjoying rapid expansion, and the current order book shows that our customers have great confidence in our services. We work with aftermarket solutions and manage systems for approximately 400 properties, most of which are located in central Helsinki.”

“We’re so pleased to welcome Avainahjo OY to Prosero! The company has a strong brand, and we see tremendous growth potential and excellent opportunities for collaboration among the group companies in the region,” comments Fredrik Gren, CEO of Prosero Security Group.

Prosero is the leading Nordic supplier of technical security solutions, with years of experience and a strong local presence in 100 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, 27 locations in Norway, 6 locations in Denmark, and 14 locations in Finland. Its total turnover amounts to more than SEK 2,000 million.


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

Vesa Ojala
CEO, Avainahjo OY
+358 50 441 77 44

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