Services

Security Services We provide expert security for residential, commercial, and industrial properties, including: High-security door installations and access control systems CCTV setup and 24/7 remote monitoring On-site security personnel and mobile patrols Emergency call-out and rapid response services Whether you’re securing your home, office, or a large-scale facility, our experienced team delivers reliable, professional protection you can count on. SIA-Approved Security Training As an approved provider of SIA (Security Industry Authority) training, we help aspiring professionals take their first steps into the security sector with confidence. Our courses include: Door Supervisor Training CCTV Operator Training Security Guarding Courses Up skilling and refresher modules Our certified instructors provide hands-on, engaging sessions that meet all current industry standards, helping you gain your SIA licence and start a career in security. First Aid Training We also offer First Aid training courses, ideal for individuals, security professionals, and businesses looking to meet workplace safety requirements. Our courses cover: Emergency First Aid at Work (EFAW) First Aid at Work (FAW) CPR & AED Use All training is fully accredited and delivered by qualified professionals to ensure confidence in real-life emergencies. From physical security to professional development, Main Door Security Stevenage is your trusted local partner in safety, training, and peace of mind.
 

Training Courses

Get SIA-approved security training in Hertfordshire—from door supervision to first aid. Learn from experienced professionals and boost your career.

Public Sector

Professional security support for public sector organisations across Hertfordshire—keeping people and places safe, every day.

Construction Security & Vacant Property Protection

Trusted protection for construction sites and vacant properties across Hertfordshire—keeping your assets secure around the clock.

Retail, Hotel & Hospitality

Friendly, reliable security for shops, hotels, and hospitality venues across Hertfordshire—protecting people, property, and reputation.

Residential Security

Protect your home with trusted residential security across Hertfordshire—tailored to your property and peace of mind.

Office, Reception & Concierge

Front-of-house security with a professional touch—serving offices, receptions, and concierge desks across Hertfordshire.

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