A breakdown of the 1.7K+ companies running Kerio Connect.
Top industries
Information technology and services281
Professional and business services209
Construction and building203
Industrial and manufacturing168
Art, sports and recreation88
Media and telecommunications86
Transport84
Financial services72
No industry recorded: 200
Company size
1–10267 (23%)
11–50414 (35%)
51–250305 (26%)
251–50080 (7%)
501–1,00025 (2%)
1,001–5,00043 (4%)
5,001–10,0007 (1%)
10,001+30 (3%)
Share of companies with a recorded size, by employees.
No size recorded: 562
Versions detected
10 versions across the confirmed companies. Counts are distinct companies seen running that version.
10.0.8 patch 2289
10.0.8 patch 1139
10.0.9 patch 2130
10.0.7 patch 1102
10.0.550
10.0.646
10.0.6 patch 341
9.2.135
9.4.228
10.0.126
One dataset. Four ways to sell.
Match the deepest technology intelligence against the most comprehensive data on companies and people – such as who is growing, raised capital or changed role – for pinpoint precision on GTM campaigns.
Competitor displacement
Find the accounts running a competitor today and go after them with the right argument.
Complementary tools
Target companies whose stack sits alongside yours and integrates without a fight.
Service partners
Identify implementers and agencies already working in the technologies you support.
Market insights
Map your total addressable market and track aggregated trends such as AI maturity.
Frequently asked questions
About the Kerio Connect data on this page.
How many companies use Kerio Connect?
Firmable holds confirmed Kerio Connect detections for 1,733 distinct companies, 1,696 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Kerio Connect?
DEARFIELD INVEST LTD, Gleckler & Sons Building Supplies and City Of Fairmont Fairmont Wv are among the most prominent in the current set.
What industries use Kerio Connect?
Information technology and services, professional and business services and construction and building lead the set, across 19 industries in total.
What size companies use Kerio Connect?
Adoption concentrates in the 11-50 employee band, across the companies whose size is recorded.
Where are Kerio Connect users based?
The United States, Australia, Canada and Singapore account for most detections, across 13 countries.
How current is this data?
1,696 companies were confirmed in the last 90 days. Last detection 14 October 2026.