Lost or Need a Spare Car Key in Swansea?
We cut and program car keys on-site across Swansea — fully mobile, faster and up to 50% cheaper than dealerships.
Need a replacement car key in Swansea or surrounding areas? Whether you’ve lost your only key or just need a spare, we provide a fast, affordable mobile service to get you back on the road — with no call-out fees and no dealership wait.
⭐⭐⭐⭐⭐What Our Customers Say
Our Professional Car Key Services
We provide a complete mobile solution for spare and lost car keys across Swansea. All services are carried out on-site with no need to visit a dealership.
Spare Car Keys
Avoid the stress and expense of losing your only key. A spare key is quick and affordable to cut, while losing all keys can mean costly towing and much higher replacement charges. We cut and program spare car keys on-site, giving you peace of mind and saving you money.
All Keys Lost Replacement
Lost your only car key? We can supply and program a brand-new working key at your location — no towing required. Our prices are up to 50% cheaper than main dealers, and while dealerships often take weeks to deliver a new key, we provide fast same-day service across Swansea.
Remote & Smart Keys
Replacement and programming of remote fobs and smart proximity keys for most major makes and models.
We Cover Most Makes & Models
From lost car keys to spare key cutting and programming, we work with most popular UK vehicle brands:
Why Choose Marks Locksmith?
✔ Local & Independent
Based in Swansea — no national call centres, no middlemen, just a friendly local locksmith.
✔ Lost or Spare Keys
We replace lost car keys and cut/program spare keys for most makes and models.
✔ Mobile, On-Site Service
We come to you — no need to tow your car or visit a dealer. Fast & convenient.
✔ Transparent, Fair Pricing
No hidden fees, no call-out charges — just honest pricing for professional car key services.
Areas We Cover
We provide mobile car key cutting and programming services across Swansea and surrounding areas, including:
Frequently Asked Questions
❓ Can you replace my car key if I’ve lost all of them?
Yes — we specialise in all-keys-lost situations. We supply and program a new working key at your location. Our service is up to 50% cheaper than main dealers, and unlike dealers who can take weeks, we provide a much faster mobile solution.
❓ Do you cut and program spare car keys?
Absolutely. Having a spare key avoids the risk and cost of losing your only one. A spare is affordable and quick to provide, while replacing all keys can involve towing and much higher charges. We cut and program spares on-site across Swansea.
❓ How long does the service take?
Most spare keys are supplied within 30–60 minutes on-site. Lost key replacements may take longer depending on the vehicle, but we’re still far quicker than dealer lead times, which often stretch into weeks.
❓ Do I need to bring my vehicle to you?
No — we are a fully mobile locksmith service. We come to your home, workplace, or roadside anywhere in Swansea and surrounding areas. No towing, no extra hassle.
❓ Which vehicles can you provide keys for?
We cover most popular UK makes and models, including Ford, Vauxhall, Volkswagen, Nissan, Peugeot, Renault, BMW, Mercedes, Toyota, Citroën, Hyundai, and Kia. Call or message us on Whatsapp to confirm your vehicle.
❓ What are your prices?
Our prices are up to 50% cheaper than dealerships. Call or message us on Whatsapp for an instant quote based on your vehicle.
Need a New or Spare Car Key? Call Now
We come to you — fully mobile service across Swansea. No dealership delays, no call-out fees.