Show me search results for:

You can change this selection at any time via the Accredited Business toggle on the search results page.

We use cookies to give users the best content and online experience. By clicking “Accept All Cookies”, you agree to allow us to use all cookies. Visit our Privacy Policy to learn more.

Cookie Preferences

Many websites use cookies or similar tools to store information on your browser or device. We use cookies on BBB websites to remember your preferences, improve website performance and enhance user experience, and to recommend content we believe will be most relevant to you. Most cookies collect anonymous information such as how users arrive at and use the website. Some cookies are necessary to allow the website to function properly, but you may choose to not allow other types of cookies below.

Necessary Cookies

What are necessary cookies?
These cookies are necessary for the site to function and cannot be switched off in our systems. They are usually only set in response to actions made by you that amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the site will not work. These cookies do not store any personally identifiable information.

Necessary cookies must always be enabled.

Functional Cookies

What are functional cookies?
These cookies enable the site to provide enhanced functionality and personalization. They may be set by us or by third party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these services may not function properly.

Performance Cookies

What are performance cookies?
These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.

Marketing Cookies

What are marketing cookies?
These cookies may be set through our site by our advertising partners. They may be used by those companies to build a profile of your interests and show you relevant content on other sites. They do not store personal information directly, but are based on uniquely identifying your browser or device. If you do not allow these cookies, you will experience less targeted advertising.
Better Business Bureau®
Resources for Businesses
Better Business Bureau
          Category: Security Guards

          Showing: 3,019 results for Security Guards
          near Castle Pines, CO

          Filter by

          Service Area

          Filter by

          Distance
          Categories
          BBB Rating
          State/Province
          Get Connected
          Sort By
          • Distance
          • Rating

          ADT

          Burglar Alarm Systems, Smoke Alarm Systems, Security Systems ...

          BBB Rating: A+

          This rating reflects BBB's opinion about the entire organization's interactions with its customers, including interactions with local locations.

          View HQ Business Profile
          Service Area

          Serving the following areas:

          USA (Nationwide)

          • USA
          not BBB accredited
          (317) 810-4720

          6 Inverness Ct E Ste 240,
          Englewood, CO 80112-5513

          Signal 88 Security of Denver

          Security Guards

          BBB Rating: A+
          not BBB accredited
          (720) 737-0888

          17513 E Pondlilly Dr,
          Parker, CO 80134-8847

          Unmistakable Security

          Security Guards

          BBB Rating: A+
          not BBB accredited
          (720) 371-5307

          9249 S Broadway,
          Littleton, CO 80129

          Global Protection Security

          Security, Security Guards, Security Consultant ...

          BBB Rating: A
          Service Area

          Serving the following areas:

          • CO
          Accredited BusinessAccredited Business
          (720) 725-2575

          16363 E Fremont Ave Apt 834,
          Aurora, CO 80016-2249

          Get a Quote

          Twenty Mile Security Specialists LLC

          Security Guards, Security Cameras, Security Systems Consultants ...

          BBB Rating: A+
          not BBB accredited
          (303) 505-5603

          611 W Mineral Ave Apt 1124,
          Littleton, CO 80120

          Code-3 Protection & Security LLC

          Security Guards

          BBB Rating: A+
          not BBB accredited
          (720) 981-0177

          6979 Fairway Vistas Rd,
          Littleton, CO 80125-8301

          ADT

          Burglar Alarm Systems, Smoke Alarm Systems, Security Systems ...

          BBB Rating: A+

          This rating reflects BBB's opinion about the entire organization's interactions with its customers, including interactions with local locations.

          View HQ Business Profile
          Service Area

          Serving the following areas:

          USA (Nationwide)

          • USA
          not BBB accredited
          (317) 810-4720

          13780 E Rice Pl Ste 200,
          Centennial, CO 80015-1230

          SOS Security

          Security Guards

          BBB Rating: A+
          not BBB accredited
          (303) 221-3077

          390 Union Blvd Ste 410,
          Lakewood, CO 80228

          Westar Security Services, Inc.

          Security Guards, Concierge Service

          BBB Rating: A+
          not BBB accredited
          (303) 638-7177

          5011 W Bowles Ave,
          Littleton, CO 80123

          Security Grade Protective Services, Ltd.

          Security Systems, Burglar Alarm Systems, Security Cameras ...

          BBB Rating: A+
          not BBB accredited
          (720) 515-3071

          5300 Dtc Pkwy Ste 300,
          Greenwood Village, CO 80111

          Signal 88 Security of Aurora

          Security Guards

          BBB Rating: A+
          not BBB accredited
          (720) 737-0888

          2014 S Pontiac Way # B,
          Denver, CO 80224

          ADT Security Services

          Burglar Alarm Systems, Smoke Alarm Systems, Security Systems ...

          BBB Rating: A+

          This rating reflects BBB's opinion about the entire organization's interactions with its customers, including interactions with local locations.

          View HQ Business Profile
          Service Area

          Serving the following areas:

          USA (Nationwide)

          • USA
          Accredited BusinessAccredited Business
          (888) 238-2727

          3190 S Vaughn Way,
          Aurora, CO 80014-3512

          Denver Metro Protective Services

          Security Guards, Burglar Alarm Systems, Security Consultant ...

          BBB Rating: NR
          not BBB accredited
          (720) 739-2100

          2121 S Blackhawk Street, Suite 230,
          Aurora, CO 80014

          American Hawk Security

          Security, Security Guards

          BBB Rating: NR
          not BBB accredited
          (719) 285-6757

          4155 E Jewell Ave STE 10058,
          Denver, CO 80222-4504

          Close Contact, LLC

          Security Guards, Security Consultant, Personal Security Guard ...

          BBB Rating: A+
          not BBB accredited
          (303) 317-3322

          2833 S Colorado Blvd,
          Denver, CO 80222

          Related Categories

          Accreditation and Ratings Overview

          Accredited BusinessAccredited Business

          Select businesses earn BBB Accreditation by undergoing a thorough evaluation and upholding the BBB Accreditation Standards.

          A+

          BBB assigns ratings from A+ (highest) to F (lowest). In some cases, BBB will not rate the business (indicated by an NR, or "No Rating") for reasons that include insufficient information about a business or ongoing review/update of the business's file.

          Didn't find the business you were looking for?

          If the business you're looking for isn't in our directory, submit a request to have it added.