24-Hour, Reliable
Locksmith & Security Services
Master Locking Systems is London’s locking and security specialist.
Through our industry-leading services, we’ve helped thousands of individuals and businesses over the years, not only across London, but the Home Counties too.


Helpful & Cost Effective Services In East London
We are here to help 24-hours a day, 365 days a year.
Check out our services, which include: lock installation, lock repair, lock replacement, home lockouts, business lockouts, door installation, door replacement, access control installation, and more.
What our customers
say...
“I had all the locks in my house changed by Master Locking Systems. They were very professional and the work was very high quality. Would recommend everyone to use them.”
What Makes Us
Experts...
Available 24 Hours A Day 365 Days A Year
Should you ever have an emergency, we are on hand to assist. Just give us a call.
The UK's Key & Fob Experts
We cut keys of all types regardless of complexity, and we can duplicated more types of fob than anywhere else in the UK.
Cost Efficient Lock & Security Services
Our clients can rest assured in the knowledge that we have their best interests at heart. We will never unnecessarily replace an item.
Thousands of Happy Customers
Our results speak for themselves. Master Locking Systems are 5-star rated on Google Reviews. Check out our Testimonials.