24 Hour Emergency Locksmith
Responsive and reliable locksmiths based in East London offering a range of locking and security systems both in store and as a 24 hour call out service.
Expert Key Cutting Services
We cut all types of keys, both low and high security and copy a large range of Fobs. All from our shop on the Isle of Dogs, East London.
Door Supply & Install
We supply & install bespoke steel, aluminium, timber & UPVC doors as well as commercial and domestic fire doors.

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

“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.”

John from London

What Makes Us

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. 

Our Certifications and Approvals