Callsign Employee Directory

Computer and Network SecurityEngland, United Kingdom201-500 Employees

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.

Find Callsign employees' phone numbers or email addresses

Callsign Global Highlights

Europe
178

United Kingdom Of Great Britain And Northern Ireland
172
Sweden
4
Ireland
1
Italy
1

Asia
62

United Arab Emirates
39
India
10
Pakistan
6
Philippines
2
Saudi Arabia
2
Malaysia
1
Singapore
1
Indonesia
1

North America
16

United States Of America
15
Canada
1

Africa
1

South Africa
1

Callsign's Leadership

L. C.
Chief Revenue Officer
Mobile Phone
Email
A. P.
Chief Information Officer
Mobile Phone
Email
S. O.
Chief Revenue Officer
Mobile Phone
Email
I. C. C.
Chief Security Officer
Mobile Phone
Email
G. W.
Chief Financial Officer
Mobile Phone
Email
I. C.
Chief Security Officer
Mobile Phone
Email
C. T.
Chief Of Staff
Mobile Phone
Email
D. G.
Vice President Commercial Strategy
Mobile Phone
Email

Callsign Employee Metrics

100%

50%

2025

2024

Engineering
Operations
Analytics
Consultant
Product Management
Other
Program & Project Management
Supply Chain
Solutions Engineering

Contact profiles from Callsign

Name

Title

Contact Info

Location

Last Update

S. A.
Managing Director Mena Region
Mobile Phone
Email
Nov 10, 2025
D. F.
Board Director
Mobile Phone
Email
United StatesNew York
Oct 25, 2025
M. A. A.
Commercial Director Mena
Mobile Phone
Email
United Arab EmiratesDubai
Jul 16, 2025
M. A. M.
Technical Lead Cryptography Engineer
Mobile Phone
Email
United Arab Emirates
Oct 22, 2025
B. B.
General Manager - Americas
Mobile Phone
Email
United StatesNew Jersey
Oct 28, 2025
K. B.
Lead Software Architect
Mobile Phone
Email
Oct 29, 2025
V. S. G.
Engineering Manager - Devops
Mobile Phone
Email
Sep 09, 2025
I. D. A.
Engineering Manager
Mobile Phone
Email
Oct 22, 2025
L. H.
Engineering Manager
Mobile Phone
Email
United Kingdom
Oct 16, 2025
M. W. K.
Technical Lead
Mobile Phone
Email
Oct 26, 2025

Frequently Asked Questions

What is Callsign known for?

Callsign was founded in 2011 operates in the Computer and Network Security industry. The company's main headquarters is located in London, England GB; you can contact the main corporate office by phone at

+1-571-966-****

. Explore Callsign's company overview page for more information.

What is Callsign's most common email format?

Callsign employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Callsign email formats with LeadIQ.

How many employees does Callsign have currently?

Callsign has approximately 255 employees as of October 2025. These team members are located across 4 continents, including EuropeAsiaNorth America.

Who are Callsign's key employees and leadership?

As of October 2025, Callsign's key employees include:

Chief Revenue Officer: L. C.
Chief Information Officer: A. P.
Chief Revenue Officer: S. O.
Chief Security Officer: I. C. C.
Chief Financial Officer: G. W.

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