A1 Security

We are a family owned security company, established in 1988. Specialising in CCTV, Access Control, Guarding, Intruder & Fire Alarms.
SSAIB & BAFE approved

[A1 Security @a1_securityuk]

keep your premises secure with these regular and emergency checks — Building Lock Downs, VPI checks, Keyholding, Guard Response to your Alarm System. A1 Security can help reduce reliance on your staff attending your site out-of-hours #GranthamSecurity #SiteManagement #A1Security

[A1 Security @a1_securityuk]

Local Grantham business saw incidents fall 45% after we introduced mobile patrols and alarm response times dropped to under 12 minutes. Reliable, measurable security improvements you can trust — learn more: https://t.co/mMs584vScj #Grantham #Security

[A1 Security @a1_securityuk]

Keep your Grantham event or site secure with uniformed static guards who log incidents and minimise disruption. Tailored plans for events, construction and retail — compliant with local safety standards. Book a consultation: https://t.co/mjtocchxc1 #Grantham

[A1 Security @a1_securityuk]

Professional keyholding in Grantham ensures fast, verified access and minimal downtime — paired with alarm response and mobile patrols for a complete security solution. Learn how local experience protects your property: https://t.co/kEgKMipvap #Grantham

[A1 Security @a1_securityuk]

Meet the security guards keeping Grantham safe: trained, experienced, and ready—real incident responses and years on duty you can rely on. Learn about our tailored guarding packages: https://t.co/TUwTJYWSs7 #Grantham

[A1 Security @a1_securityuk]

Need a repair or general service on your domestic Intruder Alarm? Batteries on wire-free system need replacing every 2 years & a service is advisable every 12-months to keep your system in full working order. Covering Grantham, Sleaford, Newark & Lincoln https://t.co/1nLNsrOViV

[A1 Security @a1_securityuk]

Trust earned since 1988: a week with A1 Security’s mobile patrols in Grantham — quick response, regular checkpoints, and visible reassurance for NG31 7GR. See how we keep local businesses safe. https://t.co/YyblZp7C4D #Grantham

[A1 Security @a1_securityuk]

“A1 Security’s rapid alarm response prevented a major loss and got us back to business the same day.” Reliable local protection for Grantham businesses — see how we help: https://t.co/RtPon3OzQ7 #Grantham

[A1 Security @a1_securityuk]

From alarm to on-site resolution: A1 Security receives your alert, dispatches a mobile patrol within minutes, coordinates with security guards and keyholders, and secures the premises — all backed by local service since 1988. Learn more: https://t.co/KbM5XvZH2m #Grantham

[A1 Security @a1_securityuk]

Founded in 1988, we’re Grantham’s trusted security partner — mobile patrols, static guards, alarm response and keyholding to protect your property in Lincolnshire. Reliable local cover you can count on. https://t.co/8pX9UNJesP #GranthamSecurity

[A1 Security @a1_securityuk]

Protect properties in Grantham with A1 Security’s keyholding: faster incident resolution, fewer forced entries and 24/7 documented response. Trust local expertise to manage access and emergencies. Learn more: https://t.co/wAIftxrfce #Grantham

[A1 Security @a1_securityuk]

And we have arrived! Looking forward to the day ahead #sbs @TheSBS_Crew @TheoPaphitis #networking #icc #Birmingham

[A1 Security @a1_securityuk]

Some of our guards today working the #granthamchristmasmarket #guards #Christmas

[A1 Security @a1_securityuk]

We have a vacancy for an Intruder Alarm service engineer based at our #Grantham office. All applicants must hold a full UK driving license and ideally have experience in this type of role. Please forward CV to [email protected]

#jobsearch #jobopportunity #Lincolnshire

[A1 Security @a1_securityuk]

A male carrying a petrol strimmer was captured on #CCTV breaking through fencing causing considerable damage to a site in Barnack Road #stamford. Know who he is? Please contact @LincsPolice with any info

[A1 Security @a1_securityuk]

A male and female broke into a site in #Stamford last night around 8pm and caused damage to the security system. Do you know who they are? Please contact @LincsPolice quoting crime number 151.10092020

[A1 Security @a1_securityuk]

This person was seen along with the first pictured

[A1 Security @a1_securityuk]

People of #Stamford do you know this person? He was captured on #CCTV at around 18.30 the 2nd September breaking into a commercial site on Barnack Road. Further vandalism & damage has been caused. Please contact Stamford Police with any information, let get these people caught!

[A1 Security @a1_securityuk]

Further vandalism carried out on Barnack Road in #Stamford #Lincolnshire. This person was captured on #CCTV. Do you know this person? If so please contact Stamford Police