Business security

Offices & Professional Services security systems.

Scalable systems for small offices, professional practices, corporate campuses, shared workspaces, and multi-location organizations.

  • ★ 4.9 ratingHundreds of client reviews
  • 10,000+Systems installed & serviced
  • Since 2008Family-owned
  • CSLB #1094834C-7 licensed, bonded & insured
  • BSIS ACO #8164Licensed alarm company

Designed for the operation

Plan the full employee and visitor access cycle.

Office security is about more than the front door. Businesses need practical control over employees, visitors, deliveries, sensitive rooms, parking, after-hours activity, and remote administration. We build systems that are easy for managers to operate and straightforward to expand.

Office access planning starts with onboarding, daily schedules, visitors, deliveries, and prompt removal of permissions when someone leaves. Assign named administrator accounts and define who can issue credentials, unlock doors remotely, or export event records. Shared offices and tenant suites may require different control boundaries from the building’s common areas.

Review existing doors and frames, power, networking, and required exit behavior before choosing readers or locks. Confirm which local functions continue during an internet outage and which depend on hosted services. Where supported, linking an access event to video can aid review, but compatibility and permissions need to be tested as part of the handoff.

01Employee and visitor safety02Credential and visitor management03Protection of records and equipment04Multi-site visibility and administration

Authentic Three Factor field work

Experience grounded in real operating environments.

Representative project photography from our Southern California portfolio.

Custom black security post with a dedicated license-plate recognition camera and supplemental cameras installed by Three Factor Security — Three Factor Security fieldwork in Beverly HillsFieldwork inBeverly Hills
Custom LPR camera post with supplemental overview cameras
Three Factor Security technician in branded workwear installing an interior security camera — Three Factor Security fieldwork in LomitaFieldwork inLomita
Professional interior camera mounting and field alignment
Three Factor Security technician installing an exterior camera on a custom black post in a landscaped property — Three Factor Security fieldwork in Westlake VillageFieldwork inWestlake Village
Exterior camera placement integrated with a custom post and landscaped surroundings
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Property-specific guidance

Choose your property or business type.

Each page explains the operational concerns, priority coverage areas, recommended system layers, and practical benefits for that specific environment.

01

Small Business Offices

Owner-operated and small-team workplaces needing straightforward protection without enterprise complexity.

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02

Corporate Headquarters

Large offices with executive areas, multiple departments, visitors, events, and structured access levels.

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03

Multi-Tenant Office Buildings

Commercial buildings where owners manage common areas while individual tenants control suites.

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04

Coworking & Flexible Offices

Shared workplaces with changing members, bookable rooms, extended hours, and app-based access.

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05

Law Firms

Professional offices handling confidential records, client meetings, evidence, and restricted work areas.

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06

Accounting & Tax Offices

Offices handling sensitive financial documents, seasonal traffic, payments, and records storage.

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07

Insurance Agencies

Client-facing offices managing personal information, claims activity, staff access, and distributed branches.

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08

Real Estate & Property Management Offices

Client-facing offices coordinating keys, leases, vendors, resident information, and field teams.

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09

Architectural, Engineering & Design Firms

Creative and technical workplaces with valuable workstations, plans, prototypes, and collaborative studios.

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10

Creative Agencies & Production Offices

Project-based workplaces with visiting clients, contractors, production gear, and flexible schedules.

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11

Technology & Software Offices

Hybrid workplaces with badge access, expensive devices, labs, server rooms, and distributed teams.

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12

Call Centers & Customer-Service Offices

High-occupancy workplaces with shift changes, controlled floors, employee parking, and extended hours.

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13

Construction & Trade Offices

Contractor offices combining administration, fleet parking, tools, materials, and early-morning dispatch.

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14

Medical & Professional Office Suites

Multi-practice buildings with waiting rooms, staff-only areas, controlled records, and varied operating schedules.

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Integrated security offering

One partner across every security layer.

We adapt every service to the property, its users, its infrastructure, and the way its team responds.

Video security & intelligence

Security Camera Systems

Cameras placed for the views you actually need, with clear footage you can check from your phone.

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Live oversight & remote visibility

Live Monitoring & Remote Site Surveillance

Construction sites and vacant properties, watched from a UL-listed, Five Diamond central station.

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Live remote guarding, intervention & response

Virtual Security Guard & Incident Response

Virtual guarding through our UL-listed monitoring partner: live remote patrols, verified events, and audio talk-down.

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Intrusion & alarm protection

Alarm Systems

Alarm systems that are simple to arm, easy to verify, and ready for monitoring.

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Visitor communication & entry

Intercom Systems

See and talk to visitors before you open the door or gate.

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Credentials, doors & gates

Access Control Systems

Card, fob, and phone access for doors, gates, and garages, with permissions you control.

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Intelligent early warning

Early Detection Systems

AI analytics and thermal sensing that flag a problem while it is still developing, not after the damage is done.

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Gates, fencing & controlled access

Gates, Fencing & Perimeter Security

Pedestrian and vehicle gates, fencing, and gate operators, tied into your access control and intercoms.

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PA, talk-down & emergency messaging

Security Audio & Emergency Communication Systems

Speakers, paging, and talk-down so your team can warn people and direct them in real time.

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System takeovers, retrofits & modernization

Security System Upgrades & Modernization

Upgrades for older systems that are unreliable, unsupported, or never documented, keeping whatever still works.

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Strategy, planning & documentation

Consulting & System Design

An honest audit of what you have and what is missing, plus a plan you can budget in phases.

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Inspection, testing & lifecycle support

Preventive Maintenance & System Health

Scheduled inspections, cleaning, and testing, so problems get caught before you need the footage.

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Begin with a professional assessment

Plan the right security system for your office.