Share of companies with a recorded size, by employees.
No size recorded: 3
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Frequently asked questions
About the SDMARC data on this page.
How many companies use SDMARC?
Firmable holds confirmed SDMARC detections for 10 distinct companies, 10 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use SDMARC?
Acumen Group, Kilner's Engineering and Datacentrix Holdings Limited are among the most prominent in the current set.
What industries use SDMARC?
Information technology and services, health and wellness and construction and building lead the set, across 7 industries in total.
What size companies use SDMARC?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are SDMARC users based?
Australia, the United States, Canada and Vietnam account for most detections, across 4 countries.
How current is this data?
10 companies were confirmed in the last 90 days. Last detection 13 October 2026.
