Question 1

Who are the top Kerio competitors?

Accepted Answer

Kerio’s Top competitors in the unified-threat-management category are Proofpoint Insider Threat Management, FortiGate Cloud, Microsoft 365 Defender. You can view a full list of Kerio competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Kerio and 40,000 other technologies on the internet. You can also compare Kerio and its feature with top competitors here : Kerio vs Proofpoint Insider Threat Management Kerio vs FortiGate Cloud Kerio vs Microsoft 365 Defender.

Question 2

What is Kerio customer distribution based on
            company size?

Accepted Answer

The majority of Kerio’s customers for the unified-threat-management category fall in the company size of 20 - 49 employees (163 companies). You can view a distribution chart of Kerio customers by company size here.

Question 3

What is Kerio market share in the
            unified-threat-management?

Accepted Answer

Kerio has market share of
            2.38%
            in unified-threat-management market.
            Kerio competes
            with 25 competitor tools in
            unified-threat-management category. The top alternatives for
            Kerio unified-threat-management tool are
            Proofpoint Insider Threat Management with
                78.52%, FortiGate Cloud with
                4.40%, Microsoft 365 Defender with
                3.17% market share.

Question 4

What are the top countries that use Kerio?

Accepted Answer

Around the world in 2025, over
          719 companies
          have started using Kerio as
          unified-threat-management tool. Companies using
          Kerio for unified-threat-management are majorly
          from United States with
          204 customers.
          42.68% of Kerio
          customers are from the United States. Other top countries
          using Kerio are
          United Kingdom and India with 61(12.76%) and 41(8.58%) customers respectively.

Question 5

What are the top industries that use Kerio?

Accepted Answer

Top industries that use Kerio for
            unified-threat-management are Software Development (17), Managed Services (14), Web Development (13).

Technology	Domains	Market Share (Est.)	Versus page
Proofpoint Insider Threat Management	23694	78.52%	Kerio vs Proofpoint Insider Threat Management
FortiGate Cloud	1329	4.40%	Kerio vs FortiGate Cloud
Microsoft 365 Defender	958	3.17%	Kerio vs Microsoft 365 Defender
Fortinet FortiAnalyzer	897	2.97%	Kerio vs Fortinet FortiAnalyzer
IBM QRadar SIEM	746	2.47%	Kerio vs IBM QRadar SIEM
Sophos Unified Threat Management	461	1.53%	Kerio vs Sophos Unified Threat Management
InsightVM	292	0.97%	Kerio vs InsightVM
Vyatta	251	0.83%	Kerio vs Vyatta
IBM Security MaaS360	251	0.83%	Kerio vs IBM Security MaaS360
Symantec Advanced Threat Protection	119	0.39%	Kerio vs Symantec Advanced Threat Protection
AlienVault Unified Security Management	78	0.26%	Kerio vs AlienVault Unified Security Management
Cisco Tetration	70	0.23%	Kerio vs Cisco Tetration
Cisco TrustSec	66	0.22%	Kerio vs Cisco TrustSec
Damballa	47	0.16%	Kerio vs Damballa
Cisco Threat Grid	45	0.15%	Kerio vs Cisco Threat Grid
NopSec Unified VRM	38	0.13%	Kerio vs NopSec Unified VRM
Cyware	30	0.10%	Kerio vs Cyware
WatchGuard Unified Threat Management	28	0.09%	Kerio vs WatchGuard Unified Threat Management
ThreatQuotient	20	0.07%	Kerio vs ThreatQuotient
McAfee NitroSecurity	13	0.04%	Kerio vs McAfee NitroSecurity

Customers	Employee Range	City	Region	Country
IBM	10,000+	Armonk	New York	United States
AECOM	10,000+	Dallas	Texas	United States
Encompass Health Corporation	10,000+	Birmingham	Alabama	United States
Sony	10,000+	Tokyo	Tokyo	Japan
Prudential	10,000+	Newark	New Jersey	United States
TTEC	10,000+	Austin	Texas	United States
Idemia	10,000+	Courbevoie	Ile-de-France	France
ICON Plc	10,000+	North Wales	Pennsylvania	United States
Alpha Bank	10,000+	Athens	Attica	Greece
KSB	10,000+	Frankenthal	Rheinland-Pfalz	Germany

Kerio

Market Share of Kerio

719

2.38%

#6

Top Competitors and Alternatives of Kerio

Top Competitors and Alternatives of Kerio

Customers of Kerio

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Kerio Customers by Products and Services

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Kerio Customers by Employee Size

Kerio Customers by Geography

Employees of Kerio

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