Skip to content
Avahere

Business Services & Trade

Security & Alarm Services in Syosset, NY

6 security companies listed · Updated Oct 27, 2026

Compare security and alarm companies in Syosset for cameras, alarms, monitoring and guards, and request quotes.

Avahere lists 6 security companies in Syosset, NY (11791). Of these, 1 show a public phone number, 4 link to a website and 1 list a street address. Syosset is a hamlet in the Town of Oyster Bay; this page also covers Muttontown, Laurel Hollow. Nearby, Plainview has 4 and Jericho has 2. None of these businesses has claimed its page yet, so the details come from public business records.

Get free quotes

6 results

Results

Get free quotes from security & alarm services in Syosset

Describe your job once. Local businesses reply, and you choose who to hire. Free for you, and no lead fees for them.

What do you need?

Get free quotes

More security & alarm services near Syosset

Listed in nearby towns. Many local businesses travel to customers across the area.

Security & Alarm Services in Syosset: common questions

How many security companies are in Syosset, NY?
Avahere lists 6 security companies in Syosset. Nearby you'll also find 4 in Plainview, 2 in Jericho, 5 in Hicksville.
Are security companies licensed?
In New York, security guard companies, private investigators and alarm installers are licensed by the Department of State, Division of Licensing Services. Ask for the license number.
How do I get quotes from security companies on Avahere?
Describe your job once and local security companies that fit can reply with questions and quotes. It is free for you and for the businesses, and you decide who to hire, if anyone.
I run a security company business. How do I update my listing?
Find your business and choose "Claim it free". After a quick check you can edit your details, add services and photos, and answer customers at no cost.
Is Avahere free?
Yes. Avahere is free for customers and for businesses. There are no lead fees, and businesses cannot pay to rank higher.

Listings come from public business records and from business owners. Avahere does not show owner names or private contact details. Spot a mistake or want a listing removed? Remove a listing or contact us.