Company lists · Data refreshed September 2026

Top 22 Cybersecurity services for small business based in New York, United States

Name: Cybersecurity services for small business based in New York, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 124 companies tracked

RevenueBase identified 124 company matches for cybersecurity services for small business associated with New York, United States as of September 2026 and tracks 1,877 professional contacts across them, including 743 with verified work emails. Across the United States, New York is the largest hub for this category.

This list covers company matches for cybersecurity services for small business associated with New York, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

124Companies

1,877Contacts tracked

743Verified emails

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The 22 largest cybersecurity services for small business based in New York, United States

Ranked by team size

Top 22 of 124 company matches for cybersecurity services for small business based in New York, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Stroz Friedberg, A Levelblue Company	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	501-1,000	206 contacts →
	Exact match “Stroz Friedberg is now LevelBlue, the world's largest pure-play Managed Security Services Provider (MSSP).” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	AGIO	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	201-500	200 contacts →
	Exact match “Agio is a hybrid cybersecurity and managed IT organization that combines predictive intelligence with human brilliance to empower clients with next-generation cyber protection and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Harbor IT	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	201-500	163 contacts →
	Exact match “Harbor IT helps organizations secure, operate, and scale through integrated IT, cybersecurity, AI, and cloud services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Nopalcyber	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	51-200	76 contacts →
	Exact match “NopalCyber makes cybersecurity manageable, affordable, reliable, and powerful for companies that need to be resilient and compliant.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Eretmis INC	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	n/a	66 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Altourage	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	51-200	58 contacts →
	Exact match “Altourage is a New York City-based managed IT and cybersecurity provider built for organizations that operate in high-stakes, fast-moving environments.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	BIG Idea Technology	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	11-50	57 contacts →
	Exact match “Big Idea Technology manages IT for small businesses headquartered in the New York City metropolitan area.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Port53	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	51-200	55 contacts →
	Exact match “Port53 Technologies is The Global Leader in Cisco-Based Managed Security Operations, helping organizations modernize and secure their digital environments through advanced…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	White Wings Technologies	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	51-200	54 contacts →
	Exact match “White Wings Technologies is a forward-thinking IT solutions provider, specializing in cloud computing, cybersecurity, managed IT services, and strategic IT consulting.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Ciphertechs A Cybermaxx Company	Exact match	New York, United StatesHQ recorded Sep 28, 2026	51-200	28 contacts →
	Exact match “CipherTechs is now part of CyberMaxx, a tech-enabled cybersecurity service provider.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	RCS Professional Services	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	11-50	27 contacts →
	Exact match “Small Business IT and Cybersecurity Solutions throughout the United States.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Riverstrong	Exact match	New York, United StatesHQ recorded Sep 28, 2026	11-50	25 contacts →
	Exact match “Riverstrong - your trusted partner in IT and cybersecurity managed services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Cohere Cyber Secure	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	51-200	17 contacts →
	Exact match “Cohere offers managed security and IT infrastructure services all under one roof.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Smartit LLC	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	1-10	12 contacts →
	Exact match “smartIT provides top-notch, hassle-free, user-friendly, one-ticket resolution, reliable, on-site and remote IT and Infosec services to New York Metro businesses, organizations…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Cyberconvoy	Exact match	New York, United StatesHQ recorded Sep 28, 2026	11-50	12 contacts →
	Exact match “We’re the nemesis of evil hackers attempting to take control of your system so they can extort money.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	White Hack Labs	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	1-10	9 contacts →
	Exact match “Our primary business is the digital security of your assets.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Resonance Security	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	11-50	9 contacts →
	Exact match “Resonance Security offers full spectrum cybersecurity aggregation software for institutions and individuals that makes protecting against any cybersecurity threat effortless no…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Seaglass Technology, LLC	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	11-50	8 contacts →
	Exact match “At SeaGlass Technology we specialize using our proprietary methodology and processes developed from our VCISO team and experienced tech teams approach to managing Hedge Funds IT &…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Proteli Managed IT Services	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	11-50	8 contacts →
	Exact match “PROTELI is a trusted IT and cybersecurity partner that delivers proactive, managed IT solutions to small and mid-sized businesses and startups in NYC and beyond.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Sayfer Cyber Security	Exact match	New York, United StatesHQ recorded Sep 28, 2026	11-50	8 contacts →
	Exact match “Sayfer, where people and technology meet to overcome web3 and blockchain challenges.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Holistic Cyber Holisticyber	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	51-200	8 contacts →
	Exact match “HolistiCyber’s mission is to assist corporations in defending themselves from the new phase of evolution in Cyber threats - not only in volume, but in the level of sophistication.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Defensible Technology	Exact match	New York, United StatesHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match “Your technology should scale with you.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “cybersecurity services for small business”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 22 of 124 cybersecurity services for small business based in New York, United States

See the full list, filter by size, metro and specialty, and access 743 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity services for small business based in New York, United States at a glance

As of Sep 28, 2026

39.6%Verified-email coverage

15.1Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for New York, so it is reported there. Company counts and contact totals on this page are exact for New York, over 124 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with New York, United States whose business descriptions match “cybersecurity services for small business” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 743 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Cybersecurity services for small business by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “cybersecurity services for small business”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity services for small business are there based in New York, United States?

RevenueBase identified 124 company matches for cybersecurity services for small business associated with New York, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Stroz Friedberg, A Levelblue Company tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most cybersecurity services for small business?

New York leads the United States with 132 company records, followed by Austin (84) and Houston (84).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 743 professional contacts with verified work emails tracked across these 124 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.