Type | Private | |
Founded | 2011 | |
HQ | London, GB | Map |
Website | callsign.com | |
Employee Ratings | More |
Employees (est.) (Apr 2022) | 339 | (+4%) |
Cybersecurity rating | A | More |
Founding Date | 2011 |
Callsign total Funding | $38.8 m |
Callsign latest funding size | $35 m |
Time since last funding | 5 years ago |
Callsign investors | Accel Partners, Qualcomm Ventures, Allegis Capital, NightDragon Security, PTB Ventures, Terry Eger |
Company Name | Date | Deal Size |
---|---|---|
CALLSIGN LTD. |
Callsign has 878 Twitter Followers. The number of followers has increased 0.3% month over month and increased 0.8% quarter over quarter
1.4k
Tweets
535
Following
878
Followers
16
Tweets last 30 days
0.9
Avg. likes per Tweet
50%
Tweets with engagement
When was Callsign founded?
Callsign was founded in 2011.
Who are Callsign key executives?
Callsign's key executives are Zia Hayat, Ian Welch and Sarah Whipp.
How many employees does Callsign have?
Callsign has 339 employees.
Who are Callsign competitors?
Competitors of Callsign include Clear, Daon and SecureAuth.
Where is Callsign headquarters?
Callsign headquarters is located at 1 Bartholomew Cl, London.
Where are Callsign offices?
Callsign has offices in London and Palo Alto.
How many offices does Callsign have?
Callsign has 2 offices.
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