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: 370 results for Security Guards
          near Portland, ME

          Filter by

          Service Area

          Filter by

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

          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

          10 Manuel Dr # 16,
          Portland, ME 04103-1293

          Northeast Security Agency

          Security System Monitors, Security Guards, Personal Security Guard

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • NH
          Accredited BusinessAccredited Business
          (603) 855-2029

          19 Old Wolfeboro Rd,
          Alton, NH 03809-4721

          Get a Quote

          Merrill's Investigations and Security Services

          Investigator, Security Guards

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • AK
          • CT
          • FL
          • GA
          • MA
          • MD
          • ME
          • NC
          • NH
          • NJ
          • NY
          • RI
          • SC
          • VT
          Accredited BusinessAccredited Business
          (207) 685-7309

          PO Box 38,
          Readfield, ME 04355-0038

          Get a Quote

          Granite Security Service

          Security, Security Guards, Personal Security Guard

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • NH
          Accredited BusinessAccredited Business
          (603) 397-7542

          2 1/2 Beacon St. Ste 260,
          Concord, NH 03301

          Get a Quote

          Salerno Protective Services, LLC

          Security Guards

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • NH
          Accredited BusinessAccredited Business
          (603) 232-2635

          103 Liberty Street,
          Manchester, NH 03104

          Get a Quote

          American Alliance Security Agency, LLC

          Security Guards, Concierge Service, Personal Security Guard

          BBB Rating: A+
          Service Area

          Serving the following areas:

          USA (Nationwide)

          • USA
          Accredited BusinessAccredited Business
          (800) 395-7866

          1087 Elm St STE 237,
          Manchester, NH 03101-1819

          Get a Quote

          EIS

          Security Guards, Investigator, Gun Safety ...

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • MA
          Accredited BusinessAccredited Business
          (978) 682-5055

          234A Pleasant St,
          Methuen, MA 01844

          Get a Quote

          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
          Accredited BusinessAccredited Business
          (317) 810-4720

          39 Simon St STE 2B,
          Nashua, NH 03060-3046

          Buckland Security Services

          Security Guards, Security Systems Consultants

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • 01718
          • 01730
          • 01731
          • 01801
          • 01803
          • 01805
          • 01810
          • 01821
          • 01824
          • 01826
          • 01850
          • 01851
          • 01852
          • 01853
          • 01854
          • 01862
          • 01863
          • 01876
          • 01879
          • 01886
          Accredited BusinessAccredited Business
          (978) 667-5188

          2 Survey Cir Unit 2A,
          N Billerica, MA 01862-2136

          Get a Quote

          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
          (603) 594-5900

          18 Clinton Drive,
          Hollis, NH 03049

          AmeriGuard Protective Services, LLC

          Investigator, Limo Service, Transportation ...

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • MA
          • ME
          • RI
          • VT
          Accredited BusinessAccredited Business
          (617) 846-1211

          314 Ferry St,
          Everett, MA 02149-5601

          Get a Quote

          Minuteman Security, Inc.

          Security Guards

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • MA
          Accredited BusinessAccredited Business
          (617) 569-3377

          515 Saratoga St,
          Boston, MA 02128-1591

          Get a Quote

          SBI Armor, LLC

          Security, Security Guards, Security Consultant ...

          BBB Rating: A+
          Accredited BusinessAccredited Business
          (617) 752-2811

          12 Channel St,
          Boston, MA 02210-2323

          Get a Quote

          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

          245 Winter Street Floor 2,
          Waltham, MA 02451-8709

          Strongbox Security Services, LLC

          Security Guards, Security Consultant, Security

          BBB Rating: A+
          Accredited BusinessAccredited Business
          (978) 298-5848

          53 Knox Trl Ste 201,
          Acton, MA 01720-5951

          Get a Quote

          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.