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Business Details
36 Years
experience
Trusted Security Services in Kent & Sussex | Marc-One Security
Established in 1990 by Marcus Redwood, Marc-One Security has built a reputation as a trusted provider of tailored security solutions across Kent and Sussex. Our expertise spans door supervision, manned guarding, and event security, supported by British Standards Institute 7960 accreditation and comprehensive insurance coverage. With over three decades of experience, we deliver services to the highest professional standards, prioritising client-specific needs and maintaining a commitment to excellence.

Our SIA-licensed staff, equipped with GPS tracking for safety, have earned industry commendations and long-term partnerships with clients ranging from construction firms to entertainment venues. Client testimonials highlight our professionalism, reliability, and the critical role our personnel play in safeguarding their operations.
Services
Door Supervision Manned Guarding Event Security Security Training TV/Film Security
Details
  • Year established: 1990
Highlights and features
  • We offer over 30 years of experience in tailored security solutions.
  • Our staff are accredited to British Standards Institute 7960 and SIA-licensed.
  • We provide 10m employer liability and 5m public liability insurance.
  • Our personnel use GPS tracking for safety and accountability.
  • Our staff are consistently praised for professionalism and reliability.
Associations and certifications
  • BSI 7960
What people say
Professional, smart and punctual Reliable, trustworthy and courteous Smart, friendly and professional Punctual, smart and motivated
Services
Door Supervision
Our BSI-accredited door supervisors ensure safe and compliant access control for venues. All personnel hold valid SIA licenses and undergo rigorous vetting. We prioritise consistency by deploying regular teams to build familiarity with clients' operations.
Manned Guarding
Tailored manned guarding services for corporate events and construction sites. Staff are SIA-licensed, GPS-tracked for safety, and adaptable to specific client requirements including PPE compliance and enhanced vetting protocols.
Event Security
Risk-assessed security solutions for TV/film productions and events. We collaborate with local authorities and emergency services to determine optimal staffing levels. Personnel are fully insured and trained for high-profile scenarios.
Security Training
BSI 7960-aligned training programmes for security professionals. Courses cover legal compliance, conflict management, and role-specific competencies. Delivered by industry experts with decades of practical experience.
TV/Film Security
Specialist security for filming locations, including crew protection and crowd control. Proven experience with high-profile productions like 'The Darling Buds of May' and TSB advertisements. Flexible solutions for evolving production needs.
People
Marcus Redwood
Founder
Marcus founded Marc-One Security in 1990, leveraging police and licensing authority commendations to build an award-winning firm. He established the company's reputation for proactive security solutions in Kent and Sussex.
Questions
What security services do you specialise in?
We specialise in door supervision, manned guarding, event security, and TV/film production security, all delivered by SIA-licensed personnel with BSI 7960 accreditation.
Are your staff legally compliant?
All staff hold valid SIA licenses, with vetting to BSI 7960 standards. Non-compliance risks fines up to £5,000 or imprisonment for premises using unlicensed personnel.
Do you operate outside Kent and Sussex?
While based in Kent and Sussex, we fulfill contracts nationwide, having worked at venues including Kent County Cricket Ground and Dover Athletic Football Club.
What insurance coverage do you provide?
We maintain £10 million employer liability and £5 million public liability insurance, ensuring comprehensive protection for clients and staff involvement.
How do you handle event security risks?
We conduct risk assessments, collaborate with local authorities, and adjust staffing levels based on client needs, combining experience with flexibility for event security.
Can you provide references from existing clients?
Yes. We have long-standing relationships with clients like Brewery Bar Whitstable and Kent County Cricket Ground, who endorse our staff professionalism and reliability.