K4 Security Services

What K4 Security Services does

K4 Security Services Limited is a UK-based, privately held security services provider headquartered in Hounslow, London, with regional offices in Leeds, Peterborough and Cardiff. The company delivers SIA-licensed manned and static guarding, mobile patrols, canine security, door supervision, key holding and alarm response, alongside electronic system installation (CCTV, access control, intruder and fire alarms, BT Redcare), event security services (consultancy, crowd management, stewarding, pit crew, traffic marshals and medical cover), facility management, and an in-house SIA-approved training academy. K4 holds SIA Approved Contractor Scheme status with an ACS score of 95/100 and maintains ISO 9001, ISO 14001, ISO 45001, Constructionline Gold, CHAS, SafeContractor, SMAS and NASDU accreditations. The company combines SIA-certified officers with GPS-tracked mobile fleets, rapid-deployed mobile CCTV control rooms, and AI-positioned security tooling, targeting commercial, residential, retail, industrial/construction and event-organiser clients.

The business model is sales-led and multi-stream: recurring guarding contracts and subscription-style key holding anchor revenue, event security and facility management contribute project-based professional services income, system installation generates hardware and integration sales, and the training academy operates on fixed-price course fees (£200-£475 per course). Distribution is exclusively direct, via website, phone (020 3143 3998), email and on-site engagement, with marketing supported by Instagram, LinkedIn, Facebook and X presence, plus exhibitor activity at International Security Expo, Total Security Summit, Heathrow Business Summit and West London Chambers events. K4 is founder-led, with Arsalan Khan as CEO of the wider K4 Group and Tamaryn Blay as COO; no external investment or parent company is identified in available data.

Name

K4 Security Services

Legal name

K4 Security Services Limited

Website

https://k4security.co.uk

Company type

Private

Founded year

2021

Operating status

Operating

Headcount range

101–250 employees

Short description

K4 Security Services Limited is a UK-based, SIA-approved private security provider delivering manned guarding, event security, electronic system installations, and accredited training courses to commercial, residential, retail, construction and event-organiser clients across the UK.

Ownership category

akta.pro rank

Product category

Security Services

NAICS

Security Guards and Patrol Services (561612), Investigation, Guard, and Armored Car Services (56161), Security Systems Services (except Locksmiths) (561621)

SIC

Services-Detective, Guard & Armored Car Services (7381), Services-Facilities Support Management Services (8744)

akta.pro primary industry

K-9 Security Services (BPABAMAK)

akta.pro secondary industries

Patrol & Perimeter Security K9 Services (BPAKAKAB), Critical Infrastructure & Industrial Site K9 Security Services (BPAKAKAG), Handler Training, Certification & K9 Unit Compliance Services (BPAKAKAK)

Keywords

• Manned security guarding
• Event security services
• SIA licensed security
• Mobile security patrols
• CCTV installation services

Headquarters

HQ city

Hounslow

HQ country

United Kingdom

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Supply Chain

Revenue model

1. Security Guarding Services: Provision of SIA-licensed security guards including manned/static guarding, mobile patrols, door supervision, canine security, key holding and alarm response. Services are offered on both long-term contracts and one-off basis.
2. Event Security Services: Complete event security including consultancy, crowd management, stewarding, traffic marshals, pit crew, and medical services for events of all sizes.
3. Security Systems & Technology: Sale and installation of CCTV systems, access control, intruder alarms, fire alarms, BT Redcare monitoring, and RSI systems.
4. SIA Training Courses: SIA-approved training programs including Door Supervisor courses, CCTV Operator training, FREC 3 First Responder Emergency Care, and Spectator Safety certifications.
5. Facility Management Services: Additional services including Waking Watch, Bed Watch, cleaning, property maintenance, and logistical support.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels8 records

Core offering

K4 Security Services provides SIA-licensed manned security guarding (static guarding, door supervision, concierge, mobile patrols, canine units, key holding and alarm response) across commercial, residential, retail, construction, and industrial sites in the UK. The company also delivers event security services including consultancy, crowd management, stewarding, traffic marshals, and medical cover, alongside electronic security system installation (CCTV, access control, intruder and fire alarms, BT Redcare) and SIA-approved training courses. Delivery is supported by a GPS-tracked mobile fleet, rapid-deployed mobile CCTV, and AI-integrated operational tools.

Product overview

K4 Security Services operates as a service-based security company offering an integrated portfolio of manned guarding, electronic security systems, event security services, and professional training courses. The core offering includes SIA-licensed manned/static guarding, mobile patrols, canine units, and alarm response services. The company complements personnel services with system solutions including CCTV installation, access control, intruder alarms, fire alarms, and monitoring services. Event security services provide consultancy, crowd management, stewarding, and medical services for events of all scales. The training division offers SIA-approved courses for door supervisors, security guards, CCTV operators, and first responders. The integrated approach combines human security personnel with AI-powered technological tools and advanced systems.

Differentiator

Problem solved

Functional benefit

Products and services

• Manned / Static Guarding SIA-licensed security guards providing round-the-clock static guarding services for premises protection across commercial, residential, retail, and industrial sites.
• SIA Door Supervision Service Professional SIA-licensed door supervisors for venues, clubs, bars, retail stores and private events across the UK.
• SIA CCTV Operators SIA-licensed CCTV operators providing surveillance and monitoring services for client sites and events.
• Front of House, Reception and Concierge Security Service Security officers providing front-of-house, reception, and concierge services with professional handling of confrontational situations for corporate and residential premises.
• Mobile Security Patrols and Lock Up Mobile patrol services with security personnel patrolling areas day and night, including lock-up and unlock services, supported by a GPS-tracked fleet.
• Key Holding and Alarm Response 24/7 key holding and alarm response service with officers dispatched to investigate alarm activations across client sites.
• Canine Security NASDU-certified professional canine security services with trained dogs and handlers for enhanced protection and deterrence at client sites.
• Event Consultancy Service Comprehensive event security consultancy covering CAD drawings, capacity calculations, stewarding dot plans, event security planning, queue management designs, risk assessments, logistics, rapid deployed CCTV control room, and barrier designs for events of all sizes.
• Event Crowd Management Professional crowd management services for festivals, sports, corporate, and community events of all sizes.
• Event SIA Security SIA-licensed security personnel specifically trained and deployed for event security operations.
• Event Stewards Trained event stewards providing crowd control and attendee management at festivals, sports matches, and community events.
• Event Traffic Marshal Traffic marshals and gatemen deployed for event traffic management, including access control and first-impressions meet-and-greet duties.
• Event Medical Services First aid and medical services delivered by fully equipped medical personnel for events of all sizes.
• CCTV Installation Services Professional CCTV system design, installation, and commissioning services for commercial and residential clients.
• Access Control Systems Access control system design, installation, and management services for client premises.
• Intruder Alarm Systems Intruder alarm system design, installation, and monitoring services for commercial and residential premises.
• Fire Alarm Systems Fire alarm system installation and monitoring services delivered alongside manned guarding offerings.
• BT Redcare Integration BT Redcare security signalling system integration and monitoring for protected premises.
• Security Systems Monitoring Remote monitoring services for installed CCTV, intruder, fire, and access control systems.
• SIA Door Supervisor Training Course SIA-approved Door Supervisor training course (full and refresher, including first aid module options) priced at £250 for the full course and £200 for the refresher.
• FREC 3 First Responder Emergency Care Course First Responder Emergency Care Level 3 (FREC 3) qualification course including requalification option, priced at £475.
• SIA Security Guarding Training Course SIA-approved Security Guarding training course for candidates seeking entry-level security officer licensing.
• CCTV Operator Training Course Three-day intensive CCTV Operator training course delivering the SIA CCTV Operator qualification.
• Level 2 Certificate in Spectator Safety Level 2 qualification in Spectator Safety for stewards working at sports and live event venues.
• Level 3 Certificate in Spectator Safety Supervision Level 3 qualification in Spectator Safety Supervision for senior stewards at sports and live event venues.
• Train the Trainer AET Course Train the Trainer AET (Award in Education and Training) course enabling graduates to deliver security training.
• First Aid at Work Course Comprehensive First Aid at Work training course covering workplace first aid compliance requirements.
• Emergency First Aid at Work Course One-day Emergency First Aid at Work certification course priced at £100.
• Waking Watch Service Waking watch services providing trained personnel to patrol residential and commercial buildings for fire safety and emergency monitoring.
• Facility Management Services Comprehensive facility management services encompassing cleaning, property maintenance, bed watch, first aiders, and logistical support for managed sites.

Quantifiable outcome

• ACS score of 95 out of 100 for Door Supervision, Security Guarding and Key Holdings
• +2 more outcomes

Named customers6 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability1 record

Feature3 records

Partnerships

Eight partnerships are on record, tiered minor and moderate.

• Help for HeroesminorOthersCharitable partnership supporting wounded, injured, and sick Armed Forces personnel and their families. K4 Security displays their branding as part of their corporate social responsibility initiatives.
• Metropolitan Police - Run Hide TellminorOthersPartnership promoting counter-terrorism safety awareness. K4 Security displays the Run Hide Tell campaign information as part of their security awareness commitment.
• GullawminorOthersLaw firm partnership displayed on the website footer, suggesting a referral or preferred partner arrangement for legal services.
• West London Chambers of CommercemoderateChannel Partner/ Reseller/ DistributorActive membership and participation in West London Chambers events and business awards. K4 Security sponsors and participates in Chamber events including the Southall Future-Tech Expo 2026 alongside IKB EVENTWORKS.
• International Security ExpomoderateGTM or Marketing PartnerOfficial exhibitor at International Security Expo, a major industry trade show for security professionals in the UK.
• Total Security SummitminorGTM or Marketing PartnerParticipation in Total Security Summit, an industry event connecting security providers with potential clients.
• Heathrow Business SummitminorGTM or Marketing PartnerOfficial exhibitor at Heathrow Business Summit, engaging with businesses in the Heathrow area for potential security service opportunities.
• IKB EVENTWORKSmoderateGTM or Marketing PartnerCo-sponsors and collaborates with IKB EVENTWORKS at West London Chambers events like the Southall Future-Tech Expo 2026, demonstrating joint marketing efforts in the local business community.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Securitas AB: Global leader in security services including manned guarding, mobile patrols and electronic security. Competes with K4 in the UK manned-guard and event security market and is the scale benchmark K4 must chase to win multi-site enterprise contracts.
• Allied Universal (G4S UK): UK's largest manned security provider following G4S acquisition, offering guarding, event security, canine services and systems integration. Directly comparable on guard, event and electronic-security service lines, but at vastly greater scale.
• Mitie Security: UK facilities-management and security division providing manned guarding, mobile patrols, CCTV monitoring and integrated security services. Overlaps with K4's guarding, systems and facilities-management portfolio for commercial and public-sector clients.

Direct peers

• Cordant Security: UK-focused security services group offering manned guarding, event security, key holding, CCTV and canine services. Comparable mid-sized UK competitor with similar SIA-regulated service mix and multi-vertical customer base.
• Bidvest Noonan: UK and Ireland security and facilities services company providing manned guarding, mobile patrols, reception/concierge, event security and integrated security technology. Comparable on service breadth, vertical segmentation and contract-based revenue model.
• Kingdom Services Group: UK private security firm specialising in manned guarding, mobile patrols, canine security, key holding and event security. Closest like-for-like UK competitor on guard/event/canine service mix and SIA contractor profile.
• SGC Security Services: Mid-sized UK SIA-approved security services provider offering static guarding, door supervision, mobile patrols, canine and event security. Directly competes with K4 in event security and door supervision across London venues.
• VSG Security (part of ICTS Europe): UK security services company providing manned guarding, reception/concierge, canine security and event stewarding. Comparable on SIA-licensed guarding, canine unit deployment and event-cover delivery.
• FGH Security: UK SIA-approved contractor offering event security, stewarding, door supervision, manned guarding and close protection. Strong direct overlap with K4's event-side business and canine/door-supervisor services.

Others

• Loomis UK: UK cash-in-transit and security services provider offering secure logistics, ATM services and physical security. Comparable as a UK regulated security operator but adjacent rather than directly competing on guarding and events.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/k4security
• Facebookfacebook.com/k4people
• LinkedInlinkedin.com/company/k4security
• Instagraminstagram.com/k4securityservices

Compliance12 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about K4 Security Services