Mul-T-Lock was established in 1973 and become famous for its four-way lock invention. In 1976, the success of Mul-T-Lock’s four-way lock spread worldwide when marketing efforts expanded globally. With the company’s rapid expansion, Mul-T-Lock expanded its manufacturing plant. By 1982, the company had significantly increased its product line to include a wide range of high-security cylinders, locks, and applications. In 1987, Mul-T-Lock opened its first sales division in the US and in 2000 changed ownership to Assa Abloy

Mul-T-Lock has expanded its global activity; with European sales units and its entrance into the APAC market. The company also began to broaden its operations by manufacturing automatic key-cutting and assembly machines for its customers.

Keeping your family and property safe is our top priority.

Locking solutions need to be convenient and address every access point in your home to eliminate any points of vulnerability.

Mul-T-Lock offers high-security locking solutions that ensure the safety of people, properties, and assets you care about most.

Mul-T-Lock develops and designs keying systems to meet the evolving needs of people’s homes and families while prioritizing high-security and technological innovation, for secure and reliable locking solutions.