The 180-year history of CES spans seven generations. Over this time the company has accumulated a wealth of experience and have time and again advanced the locking industry with visionary decisions and pioneering innovations.

Independence and consistency of family ownership since 1840 has established trust in CES’ long-term strategy. Our customers value the continuity, security and reliability we offer, assured that they will be able to obtain replacement cylinders and keys for their locking systems years and years after installation.

The headquarters have been situated in Velbert, Germany since the company’s inception. CES now employs over 400 staff worldwide across sites in Holland, France, Romania and the Middle East (Dubai) as well as being represented by partner companies in Europe, the Arab region, Asia and the USA.


Here in the UK, we have been established since 2009 as CES Security Solutions Limited.

We are a full member of the GAI and an affiliate member of the MLA.

We work in collaboration with architects, design teams and the end-user, as early in the process as possible, to plan a locking system specific to your project.

We pride ourselves on being a unique team of engineers focused on providing optimum security and flexibility for our customers through precision engineering and quality product.

Meet the team

Mario Del-Signore

Mario Del-Signore

Mario Del-Signore has worked in the locking industry and specifically within master key systems for over 30 years. His commitment to the industry and his leadership career in ironmongery has been recognised by the GAI. He was appointed as President of the Guild in 2021.

Peter Schmidt

Peter Schmidt

Peter Schmidt is an intrinsic part of the team at CES UK. He has now worked for CES for over 38 years in total, the last 6 of which have been spent here with us, meticulously planning the hierarchy for the master key systems which leave our workshop as well as overseeing all technical queries.

Dan Rising

Dan Rising

Dan Rising has worked in architectural ironmongery and more specifically, locking systems, for over 20 years. RegAI qualified, he has been supporting clients with product selection and advising them on how to appropriately secure buildings including universities, hotels, sports stadia and government departments, to name but a few.

Get in touch to discuss your building's security and authorised access issues