As the building owner / responsible person on-site you need to ensure that all fire and smoke dampers within your building(s) are located, serviced, and tested (whether that be a drop test or otherwise).
According to the Regulatory Reform (Fire Safety) Order 2005, it is the employer’s responsibility to maintain their fire safety systems.
As the buildings responsible person if you are made aware of faults to any fire safety equipment and do not act on them, you could be held responsible for any implications and be prosecuted in a court of law.
If you run a business or own a building it is your responsibility to book regular fire damper tests and ensures that a proper maintenance plan is followed.
K2 Fire and Security Ltd can support you with ensuring that you comply with regulatory requirements by compiling an asset list and inspection schedule to ensure regular checks are carried out and any defects are remedied for continued safe operation.