Company lists · Data refreshed September 2026

Top 22 Managed security services marketing firms based in Charlotte, United States

RevenueBase identified 35 managed security services marketing firms headquartered in Charlotte, United States as of September 2026 and tracks 668 professional contacts across them, including 265 with verified work emails. Across the United States, New York is the largest hub for this category (94 companies); Charlotte has 35.

This list covers managed security services marketing firms headquartered in Charlotte, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
35Companies
668Contacts tracked
265Verified emails
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The 22 largest managed security services marketing firms based in Charlotte, United States

Ranked by team size
Top 22 of 35 managed security services marketing firms based in Charlotte, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to managed security services marketing firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceCharlotte, NC, United StatesHQ checked Sep 28, 2026201-500240 contacts →

Strong evidence

“GLS is a managed network and security services provider founded in 1998.”

Source: RevenueBase Database · checked Sep 28, 2026
2Partial evidenceCharlotte, NC, United StatesHQ checked Sep 28, 2026201-500121 contacts →

Partial evidence

“Iverify is the nation’s largest full-service interactive security company providing life safety, loss prevention, cyber breach reduction, and brand protection.”

Source: RevenueBase Database · checked Sep 28, 2026
3Strong evidenceCharlotte, NC, United StatesHQ checked Sep 28, 202651-20043 contacts →

Strong evidence

“AT-NET is a managed technology services company headquartered in Charlotte, NC since A MSSP (Managed Security Service Provider) is what we are as a business to business company.”

Source: RevenueBase Database · checked Sep 28, 2026
4Partial evidenceCharlotte, NC, United StatesHQ checked Sep 28, 202611-5033 contacts →

Partial evidence

“Welcome to Premier Marketing!”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceCharlotte, NC, United StatesHQ checked Sep 28, 202611-5028 contacts →

Indirect evidence

“A successful business needs cybersecurity at its core.”

Source: RevenueBase Database · checked Sep 28, 2026
6Partial evidenceCharlotte, NC, United StatesHQ checked Sep 28, 202611-5019 contacts →

Partial evidence

“Yellow Duck Marketing is a full-service, marketing strategy firm that can help you grow and focus your business.”

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidenceCharlotte, NC, United StatesHQ checked Sep 28, 202611-5017 contacts →

Partial evidence

“What is a Managed Services Provider MSP?”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceCharlotte, NC, United StatesHQ checked Sep 28, 202611-5017 contacts →

Indirect evidence

“If we handled everything from web design to SEO to paid advertising to social media to graphic design for you, would that make a big difference for your business: One-stop shop…”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceCharlotte, NC, United StatesHQ checked Sep 28, 202611-5017 contacts →

Indirect evidence

“At Network Essentials, we believe IT should empower your business-not slow it down.”

Source: RevenueBase Database · checked Sep 28, 2026
10Partial evidenceCharlotte, NC, United StatesHQ checked Sep 28, 202651-20015 contacts →

Partial evidence

“Lyon Shield Security specialize in innovative security solutions.”

Source: RevenueBase Database · checked Sep 28, 2026
11Partial evidenceCharlotte, NC, United StatesHQ checked Sep 28, 202611-5013 contacts →

Partial evidence

“Zuryc is a managed services provider based in North Carolina, and providing secure technology solutions for organizations nationwide.”

Source: RevenueBase Database · checked Sep 28, 2026
12Partial evidenceCharlotte, NC, United StatesHQ checked Sep 28, 202611-5013 contacts →

Partial evidence

“CorpInfoTech, a Managed Service Provider (MSP) with over 25 years in the SMB space, is a trusted partner for business pursuing compliance and cybersecurity.”

Source: RevenueBase Database · checked Sep 28, 2026
13Partial evidenceCharlotte, NC, United StatesHQ checked Sep 28, 20261-1011 contacts →

Partial evidence

“We believe digital marketing should be a This is why our experts offer a wide range of services to help you generate leads and build brand awareness for your business.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceCharlotte, NC, United StatesHQ checked Sep 28, 202611-509 contacts →

Indirect evidence

“ITFIRM.COM is your dedicated technology partner based in the Greater Charlotte area.”

Source: RevenueBase Database · checked Sep 28, 2026
15Partial evidenceCharlotte, NC, United StatesHQ checked Sep 28, 202611-509 contacts →

Partial evidence

“BlackStone Security Group is a veteran- and minority-owned security firm founded in 2018, proudly certified as a Service-Disabled Veteran-Owned Small Business (SDVOSB) and…”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceCharlotte, NC, United StatesHQ checked Sep 28, 202611-507 contacts →

Indirect evidence

“Solve iT helps small businesses sleep at night.”

Source: RevenueBase Database · checked Sep 28, 2026
17Strong evidenceCharlotte, NC, United StatesHQ checked Sep 28, 20261-107 contacts →

Strong evidence

“FitNetworks is a national Managed IT & Security Services Provider that helps businesses simplify technology, strengthen cybersecurity, and accelerate growth with proactive…”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceCharlotte, NC, United StatesHQ checked Sep 28, 20261-106 contacts →

Indirect evidence

“Reliable.”

Source: RevenueBase Database · checked Sep 28, 2026
19Partial evidenceCharlotte, NC, United StatesHQ checked Sep 28, 20261-105 contacts →

Partial evidence

“GoBeyond SEO is a boutique digital marketing agency in Charlotte NC.”

Source: RevenueBase Database · checked Sep 28, 2026
20Strong evidenceCharlotte, NC, United StatesHQ checked Sep 28, 20261-103 contacts →

Strong evidence

“We believe that sophisticated and customized managed security services should be available to all businesses, regardless of their size or industry.”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceCharlotte, NC, United StatesHQ checked Sep 28, 202611-501 contacts →

Indirect evidence

“Vitise, Inc.”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceCharlotte, NC, United StatesHQ checked Sep 28, 20261-101 contacts →

Indirect evidence

“Qualsis builds enterprise-grade operating systems for the small and medium businesses that enterprise software was never built for.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 22 of 35 managed security services marketing firms based in Charlotte, United States

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Managed security services marketing firms based in Charlotte, United States at a glance

As of Sep 28, 2026
39.7%Verified-email coverage
19.1Average contacts per company
11-50Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
16
11-50
13
51-200
3
201-500
3

Email recency for this list is measured across the whole United States list rather than for Charlotte, so it is reported there. Company counts and contact totals on this page are exact for Charlotte, over 35 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among managed security services marketing firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Charlotte, United States whose own description of what they do matches “managed security services marketing firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names managed security services marketing firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among managed security services marketing firms, and records with no verified work email. Companies headquartered outside Charlotte are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 265 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names managed security services marketing firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many managed security services marketing firms are there based in Charlotte, United States?

RevenueBase identified 35 managed security services marketing firms headquartered in Charlotte, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Global Linking Solutions, Charlotte, North Carolina, headquartered in Charlotte, tops this list with the largest team on record.

Which city in the United States has the most managed security services marketing firms?

New York leads the United States with 94 headquartered companies, followed by Houston (55) and Austin (54). Charlotte has 35.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 265 verified decision-maker contacts tracked across these 35 companies.

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 Smart Search, 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.