Stockholm-based Prosero Security AB supplies locks, alarms, access control, surveillance and fire protection across Northern Europe.
Founded in 2017 and headquartered in Stockholm, Sweden, Prosero Security AB provides technical security solutions in Northern Europe, including locking systems, alarm setups, access control, surveillance, fire protection and personal alarms. It serves more than 90,000 recurring customers a year across Sweden, Denmark, Finland, Norway and Germany. In October 2025 Prosero, a portfolio company of Valedo, acquired Sikret A/S; terms were not disclosed.
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