# mySMI.uk > 24/7 mobile auto locksmith covering Watford, Hemel Hempstead, North London and Hertfordshire. Emergency car unlocking, lost-key replacement, spare keys, key programming and ignition help at your location. mySMI.uk (Secure Motors International LTD) is a mobile car locksmith. A technician comes to the vehicle. Most jobs are completed on-site without a tow to a dealership. Call +44 7516 000030 or book at https://www.mysmi.uk/ ## Key facts - Service type: mobile auto locksmith (we come to you) - Hours: 24/7, including evenings, weekends and bank holidays - Typical arrival: 15–30 minutes across North London and Hertfordshire - Coverage: around 95% of vehicle makes and models, including smart keys and push-to-start - Warranty: 12 months on completed key work - Pricing: confirmed before dispatch; no hidden call-out fees - Entry method: non-destructive vehicle entry where possible ## Contact - Phone / WhatsApp: [+44 7516 000030](tel:+447516000030) - Book online: [https://www.mysmi.uk/](https://www.mysmi.uk/) - Contact page: [https://www.mysmi.uk/contact-us](https://www.mysmi.uk/contact-us) - Base: Hemel Hempstead, Hertfordshire, United Kingdom - Facebook: [mySMI.uk](https://www.facebook.com/profile.php?id=61569306385603) - Google Maps: [mySMI.uk](https://maps.app.goo.gl/6VmFWRUF6S4zhC2z9) ## Main pages - [Homepage](https://www.mysmi.uk/): 24/7 mobile auto locksmith, quotes and booking - [About us](https://www.mysmi.uk/about-us): who we are and how the mobile service works - [Contact us](https://www.mysmi.uk/contact-us): phone, WhatsApp and email - [Full details for AI agents](https://www.mysmi.uk/llms-full.txt): services, areas, brands and FAQs ## Services - [Car unlocking](https://www.mysmi.uk/services/car-unlocking): locked keys in the car, non-destructive entry - [Car key replacement](https://www.mysmi.uk/services/car-key-replacement): lost or broken keys cut and programmed on-site - [Spare car keys](https://www.mysmi.uk/services/spare-car-keys): spare keys and remotes supplied at your location - [Car key programming](https://www.mysmi.uk/services/car-key-programming): transponder chips and remote fobs - [Car key repair](https://www.mysmi.uk/services/car-key-repair): broken casings and worn buttons - [Ignition barrel replacement](https://www.mysmi.uk/services/ignition-barrel-replacement): stuck or damaged ignitions ## Areas served - [Watford](https://www.mysmi.uk/locations/watford) - [Hemel Hempstead](https://www.mysmi.uk/locations/hemel-hempstead) - [St Albans](https://www.mysmi.uk/locations/st-albans) - [Barnet](https://www.mysmi.uk/locations/barnet) - [Harrow](https://www.mysmi.uk/locations/harrow) - [Enfield](https://www.mysmi.uk/locations/enfield) - [Edgware](https://www.mysmi.uk/locations/edgware) - [Hatfield](https://www.mysmi.uk/locations/hatfield) - [Welwyn Garden City](https://www.mysmi.uk/locations/welwyn-garden-city) - [Potters Bar](https://www.mysmi.uk/locations/potters-bar) Also: Pinner, Chesham, Cheshunt, Harefield, Harpenden, Northwood, Borehamwood, Slough, Willesden, Finchley, and surrounding North London and Hertfordshire. ## Vehicle brands - [Kia](https://www.mysmi.uk/brands/kia) - [BMW](https://www.mysmi.uk/brands/bmw) - [Audi](https://www.mysmi.uk/brands/audi) - [Toyota](https://www.mysmi.uk/brands/toyota) - [Mercedes](https://www.mysmi.uk/brands/mercedes) - [Ford](https://www.mysmi.uk/brands/ford) - [Citroën](https://www.mysmi.uk/brands/citroen) - [Land Rover](https://www.mysmi.uk/brands/land-rover) - [Nissan](https://www.mysmi.uk/brands/nissan) - [Renault](https://www.mysmi.uk/brands/renault) - [Volkswagen](https://www.mysmi.uk/brands/vw) - [Volvo](https://www.mysmi.uk/brands/volvo) Also most other makes. ## Optional - [Privacy statement](https://www.mysmi.uk/privacy-statement) - [Terms and agreements](https://www.mysmi.uk/terms-and-agreements) - [Cookie statement](https://www.mysmi.uk/cookie-statement)