The LKA NRW publishes address lists of companies that install mechanical security devices and electronic hold-up and burglar alarm systems.

Proof of address of installer companies for mechanical security devices

Have the security technology professionally installed by companies that are listed in the proof of address of the NRW State Office of Criminal Investigation

Installation companies that are included in the address list of the LKA NRW fulfill the necessary formal, personnel and technical requirements of a catalog of obligations and have committed themselves, among other things:

• to offer tested and certified burglar-resistant (retrofit) products
• to guarantee professional customer advice
• to provide customers with written and clear quotations
• to comply with the manufacturer's installation instructions and the applicable
• to observe the relevant regulations and standards and
• to carry out professional installation by its own specialists

The NRW police accept no liability for the work carried out by these companies. Occasionally, there are also indications that listed companies do not comply with the regulations.

In addition, non-listed companies can also provide professional installation of security technology.