Callsign

📍 London, United Kingdom🗓 Founded 2011👥 240 employees💰 Last funded Jul 2017
Computer and Network Security🌐 callsign.com
Website LinkedIn
Callsign is pioneering digital trust through proprietary technology that uniquely mimics the way humans identify each other in the real world. Positive identification of genuine users delivers privacy, safety and minimal friction whilst ensuring that bad actors are blocked. Through a simple Swipe or Type, users can be personally recognized to a 99.999% accuracy, delivering the highest fidelity AI based user recognition for the digital world.
5
Total investors
2
Early stage
1
Mid stage
2
Late stage
2011
Founded

Investors

5 investors
All
Early stage
Mid stage
Late stage
Investor geography2 countries
United Kingdom
3
United States
2
Investor activity2013–2017 · investors recorded per year
201322016120172
Recent (last 2y)Earlier
Frequently asked questions
Who invested in Callsign?
Callsign has 5 investors on record on gritt.io, including 2 early-stage backers, 1 mid-stage and 2 late-stage investors.
When did Callsign last raise funding?
The most recent investment in Callsign recorded on gritt.io was in July 2017.
When was Callsign founded?
Callsign was founded in 2011.
What industry is Callsign in?
Callsign operates in Computer and Network Security. Find similar Computer and Network Security investors on gritt.io.
Where is Callsign based?
Callsign is headquartered in London, United Kingdom.