Security Companies in Las Vegas, Nevada

Las Vegas has many local guard firms and national branches. Filter by the kind of work, then check the company with Nevada's licensing board.

By Security Briefing, an independent publication. Details checked . Listings are not endorsements.

Compare Las Vegas companies

Show companies whose page mentions:
  • Blackstone Security Services

    Office listed

    2110 E Flamingo Rd, Suite 350, Las Vegas, NV 89119

    Consider for: Offices and commercial property, retail stores, HOAs and residential property

    More about Blackstone Security Services
    • In its own words: “Blackstone Security provides trusted security services across Las Vegas and the entire Clark County area.”

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  • Green Valley Security

    Office listed

    3800 E Patrick Lane Las Vegas, NV 89120

    Consider for: Mobile patrols, events and venues, armed posts

    BBB Not rated 0 complaints in 3 yrs
    More about Green Valley Security
    • In its own words: “we have developed the Safety and Training Department to provide professional training to all standing, mobile and patrol officers in the field.”
    • Years in business: 28, per BBB
    • Business type: Corporation, per BBB
    • BBB accreditation: Not accredited, which BBB says is optional

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  • PPG Security

    Office listed

    2421 Tech Center Ct Suite 100, Las Vegas, NV 89128

    Consider for: HOAs and residential property, mobile patrols, construction sites

    No matching BBB or Yelp profile found

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  • PalAmerican Security

    Office listed

    3130 South Rainbow Blvd, Suite 304, Las Vegas, NV 89146

    Consider for: Offices and commercial property, healthcare sites, mobile patrols

    More about PalAmerican Security
    • In its own words: “Supported by 50 years of security experience and a national footprint across 44 states, PalAmerican delivers professionally trained security services led by Las Vegas‑based teams.”

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  • S&K Security

    Office listed

    3909 S Maryland Pkwy Suite 211, Las Vegas, NV 89119

    Consider for: Mobile patrols, healthcare sites, personal protection

    No matching BBB or Yelp profile found
    More about S&K Security
    • In its own words: “Prevent theft, vandalism, and trespassing with 24/7 surveillance and on-site patrols designed to protect valuable equipment and property.”

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  • Security Unlimited

    Office listed

    2231 E Desert Inn Rd, Las Vegas, NV 89169

    Consider for: Events and venues, construction sites, offices and commercial property

    BBB A+ Accredited · 0 complaints in 3 yrs
    More about Security Unlimited
    • In its own words: “Don’t be caught off guard; let these security specialists handle all of your protection needs.”
    • Years in business: 37, per BBB
    • Business type: Corporation, per BBB
    • BBB accreditation: Accredited

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  • Weiser Security

    Office listed

    4075 W Desert Inn Rd Suite D Las Vegas, NV 89102

    Consider for: Ask what it covers

    More about Weiser Security
    • In its own words: “Weiser Security Services, located near Las Vegas, Nevada, provides contract guard service throughout Las Vegas and surrounding areas.”

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  • Code 4 Private Security

    Says it serves the area

    “Las Vegas (Clark County)”

    Consider for: Events and venues, personal protection, mobile patrols

    More about Code 4 Private Security
    • In its own words: “When law enforcement can’t be everywhere, Code 4 Private Security is the trusted force that steps in to keep you protected.”

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  • GardaWorld

    Says it serves the area

    “Security Services in Las Vegas”

    Consider for: Offices and commercial property, mobile patrols, HOAs and residential property

    More about GardaWorld
    • In its own words: “We focus on protecting your community's people, assets, and businesses with highly trained security guards and industry-specific security solutions.”

    Visit company website

Filters use words on each company's own page, so confirm the service directly. “Venues” means the page mentions venues, conventions, casinos, arenas, stadiums, or concerts. Alphabetical within each type. BBB details come from its profile; Yelp scores from Yelp's search listing, for the location shown. A score from a few reviews says little. We don't rate companies ourselves. Checked November 6, 2026.

Check a Nevada license

The Nevada Private Investigators Licensing Board licenses private patrolmen, among others. Use its public document search. Enter part of the name followed by an asterisk to broaden your search.

Questions for this market

  • Do you staff convention and venue work, or mainly fixed posts? Ask for a similar job.
  • Are you covering the Strip, Henderson, or North Las Vegas? Confirm the exact address, since these are separate cities or unincorporated areas.
  • For overnight casino-adjacent or event work, who supervises at 3 a.m.?

Comparing event plans? Read the event security guide, or see patrol services.