About Nu-Key
Home » About Nu-Key

About JCM Locksmiths and Nukey

JCM Locksmiths – where it all began

John McMahon started out in 1968 at the age of 20 cutting keys at his home in the larder cupboard. This started his inspiration to be a locksmith. John opened up JCM Locksmiths in 1970 with Brian Hull, he then went Ltd in 1975. His wife Maggie, son Steve and daughter Sharon still work with JCM.



Nukey – John’s legacy lives on

John later purchased Nukey Countplace Ltd in 1992-1993 and this has been a successful business. Sadly John passed away in November 2013; both Nukey and JCM remain to trade as John would have wished.

Our small committed team

We are all at the end of the telephone at any time you need to place an order or have a query, please do not hesitate to call us on 0208 546 1800 and we will be happy to help you.

Our customers

We have a wide range of customers from one person who needs a replacement key for a filing cabinet at home to office furniture companies, other Locksmiths and government departments such as prisons and HM Revenue & Customs. We can accept orders over the phone, email and through our website. As the saying goes…no order too big or too small!

Same Day Posting

All of our orders get posted the same day we receive them if placed before 12 pm. We take pride in our customer service and like to make it as easy as possible for our customers to order locks and keys from us. We are always happy to help our customers as much as we can.

We would like to thank you for taking the time looking at our website and if you have any queries or keys that you would like to order that are not on the site please call 0208 546 1800


Frequently Asked Questions Please select which type of payment method required by clicking the type you are using when you get to the checkout. Wherever possible please give the manufacturers name on the key as the same numbers have been used by more than one manufacturer, when this is the case we reserve the right to send the most common if... read more »


Retention of Title All goods supplied remain the property of JCM Locksmiths until payment has been received in full. We reserve the right to recover goods at the customer’s expense, which have not been paid for with our terms of settlement. Prices All prices are strictly net and are subject to alteration without prior notice. Goods will be invoiced at the prices... read more »