GSMK Cryptophone
GSMK Cryptophone is a Berlin-based private company, founded in 2003, that designs and sells end-to-end encrypted mobile and desktop secure phones, self-hosted server infrastructure, and satellite terminals primarily for governments, international organizations, military, and security-sensitive enterprises across 50+ countries.
- Company typePrivate
- Founded2003
- HeadquartersBerlin, Germany
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
GSMK Cryptophone firmographics
Firmographics- Name
- GSMK Cryptophone
- Legal name
- GSMK Gesellschaft für Sichere Mobile Kommunikation mbH
- Website
- https://cryptophone.de
- Company type
- Private
- Founded year
- 2003
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- GSMK Cryptophone is a Berlin-based private company, founded in 2003, that designs and sells end-to-end encrypted mobile and desktop secure phones, self-hosted server infrastructure, and satellite terminals primarily for governments, international organizations, military, and security-sensitive enterprises across 50+ countries.
- Ownership category
- akta.pro rank
GSMK Cryptophone industry classification
Industry- Product category
- Secure Mobile Communications
- NAICS
- Telephone Apparatus Manufacturing (33421), Security Systems Services (except Locksmiths) (561621), Telecommunications (517)
- SIC
- Computer Communications Equipment (3576), Services-Management Services (8741)
- akta.pro primary industry
- Mobile Device Management & Security for Tablets/Ultrabooks (MDM/UEM, Device Encryption) (HDACAMAN)
- akta.pro secondary industries
- Key Management, Encryption & Secrets Management (KMS/HSM/Vault) (HDABAHAG), Mobile Application Security (App Shielding, Anti-Tamper) (HDADACAL)
Keywords
Where GSMK Cryptophone is headquartered
LocationHeadquarters
- HQ city
- Berlin
- HQ country
- Germany
- HQ region
- Europe
Offices1 record
Markets served
GSMK Cryptophone business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Technology or R&D, Personnel, Supply Chain, Operations, Marketing or Sales, Infrastructure
Revenue model
- Secure Mobile Phones: Sale of secure mobile phones including CryptoPhone 700. One-time hardware purchase with associated firmware license.
- Secure Desktop Phones: Sale of secure desktop phones including CryptoPhone 23. One-time hardware purchase with associated firmware license.
- CPIP Server System: Sale of private, self-hosted CryptoPhone IP server systems for organizations wanting on-premise call switching infrastructure.
- Group Manager Software: Centralized management software for private CryptoPhone fleets, runs in private infrastructure on customer's own servers.
- Satellite Terminals and Expedition Cases: Pre-configured packages containing CryptoPhones, satellite terminals, battery packs, solar panels, and accessories in ruggedized cases for remote operations.
- Lifecycle Management Services: Long-term availability of service and support, software and hardware upgrades, migration concepts for customers migrating from circuit-switched to IP-based infrastructure.
- Cryptography and ICT Security Training: Advanced courses on cryptography and ICT security designed to transfer in-depth knowledge from GSMK experts to client key officers. Topics include cryptography, mobile communications security, and evaluation of advanced cryptosystems.
- Security Assessments: GSMK supports enterprise clients in evaluations of their individual security landscape, conducting assessments based on General Vulnerability Assessment Model (AVA) and Common Methodology for Information Security Evaluation (CEM) defined in Common Criteria Version CC:2022 Release 1.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| One time/ perpetual license | Pay-as-you-go | Quote-based pricing for all products |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels3 records
GSMK Cryptophone product offering
Product offeringCore offering
GSMK CryptoPhone designs, manufactures, and sells secure mobile and desktop phones with end-to-end voice and message encryption, complemented by private self-hosted server infrastructure (CPIP), centralized management software (Group Manager), satellite terminals, and lifecycle services. The company serves governments, NGOs, and global enterprises requiring protection against call interception, IMSI catchers, rogue base stations, and over-the-air malware injection.
Product overview
GSMK CryptoPhone offers a comprehensive ecosystem of secure communication products centered around end-to-end encrypted voice and messaging. The portfolio includes secure mobile phones (CP700), desktop phones (CP23), self-hosted private server infrastructure (CPIP Server System), centralized management software (Group Manager), and satellite terminals for remote communications. The products share a common technology platform featuring AES256 and Twofish encryption with 4096-bit Diffie-Hellman key exchange, and are fully interoperable across mobile, desktop, and satellite devices. Legacy support is provided for older models including the CP20, CP600, CPIP19, CP500i, CP450, G10i+, and PSTN/1i.
Differentiator
Problem solved
Functional benefit
Brands
- CryptoPhone IP Server System: Private, self-hosted CryptoPhone networks with on-premise call switching systems for organizations requiring full control over their communication infrastructure.
- CryptoPhone Group Manager
- CryptoPhone Satellite Terminals
- GSMK Expedition Cases
- Legacy Devices
- GSMK Overwatch
- GSMK Oversight
Products and services
- CryptoPhone 700 (CP700) A secure mobile phone with hardened operating system and end-to-end voice and message encryption, featuring the patented GSMK Baseband Firewall for protection against IMSI catchers and rogue base stations. Designed for government, enterprise, and professional users requiring secure communications.
- CryptoPhone 23 (CP23) A secure desktop phone with end-to-end voice and message encryption, featuring hardened OS, modern touchscreen interface, and optional encrypted file transfer functionality. Designed for office and headquarters use by executives and security-conscious organizations.
- CryptoPhone IP Server System (CPIP)
- Group Manager
- Satellite Terminals and Expedition Cases
- Legacy Devices (CP20, CP600, CPIP19, CP500i, CP450, CPG10i+, CPPSTN/1i)
- Cryptography and ICT Security Training
- Security Assessments
Quantifiable outcome
- Over 2500 organizations worldwide trust GSMK CryptoPhone solutions
- +1 more outcomes
Companies that use GSMK Cryptophone
Customer profileNamed customers7 records
Segments3 records
Ideal customer profiles3 records
GSMK Cryptophone technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature8 records
GSMK Cryptophone partnerships and signals
Strategic signalScale indicators5 records
Recent moves6 records
Expansion highlights5 records
GSMK Cryptophone competitors and assessment
Company assessmentBroad incumbents
- Thales: Thales provides defense and security solutions including encrypted communications (e.g., tactical and government secure radios), operating broadly in the same end market as GSMK with overlapping government and defense customers.
- BlackBerry: BlackBerry provides SecuSUITE and BlackBerry Secure Communications, offering encrypted voice and messaging for government and enterprise as part of a broader cybersecurity and IoT portfolio that competes with GSMK in the secure communications category.
- Atos (Hoox / Bull securite): Atos previously marketed the Hoox secure smartphone and continues to offer secure communications and cybersecurity services to enterprises and governments, overlapping with GSMK's CryptoPhone product line.
- Rohde & Schwarz SIT: Rohde & Schwarz SIT delivers high-grade encrypted communications (e.g., SITLine, TopSec) to governments and defense as part of a broader test and measurement, broadcasting, and secure communications portfolio, overlapping with GSMK's sovereign secure voice offerings.
Direct peers
- Sectra: Sectra develops encrypted communication solutions, including Sectra Tiger/Lock and approved secure mobile voice products, sold to European government and defense customers in direct competition with GSMK's secure phones.
- KoolSpan: KoolSpan provides end-to-end encrypted voice and messaging solutions, including TrustCall, for enterprise and government customers seeking secure mobile communications on standard smartphones.
- Silent Circle: Silent Circle provides secure communications including the Blackphone and Silent Phone app, directly competing with GSMK CryptoPhone in encrypted mobile voice and messaging for enterprise and government customers.
- Bittium: Bittium offers the Tough Mobile secure smartphone with hardened OS and encryption targeted at government and defense users, providing a directly comparable secure handset to GSMK's CryptoPhone 700.
- Secusmart: Secusmart, now part of BlackBerry, builds hardened secure smartphones and voice encryption (e.g., SecuTABLET, Secusmart Security Card) for German and NATO government customers, directly competing with GSMK's CryptoPhone offering.
Emerging players
- Cellcrypt: Cellcrypt delivers end-to-end encrypted voice calling applications for smartphones, focusing on government and enterprise use cases that intersect with GSMK's secure voice offering but on a software-only delivery model.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
GSMK Cryptophone social profiles
Digital presenceGSMK Cryptophone financial estimates
Financial estimateRevenue estimate
Valuation estimate
GSMK Cryptophone leadership team
Management profileNumber of profiles
Profiles1 record
GSMK Cryptophone funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
GSMK Cryptophone M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about GSMK Cryptophone
What does GSMK Cryptophone do?
GSMK CryptoPhone designs, manufactures, and sells secure mobile and desktop phones with end-to-end voice and message encryption, complemented by private self-hosted server infrastructure (CPIP), centralized management software (Group Manager), satellite terminals, and lifecycle services. The company serves governments, NGOs, and global enterprises requiring protection against call interception, IMSI catchers, rogue base stations, and over-the-air malware injection.
Is GSMK Cryptophone a public or private company?
GSMK Cryptophone is a private company. It is classified as unknown and is currently operating.
When was GSMK Cryptophone founded?
GSMK Cryptophone was founded in 2003. It employs 11 to 50 people.
Where is GSMK Cryptophone based?
GSMK Cryptophone is headquartered in Berlin, Germany, in the Europe region.
How does GSMK Cryptophone make money?
Eight revenue lines are on record. Secure Mobile Phones are the primary driver. The others are secure Desktop Phones, CPIP Server System, group Manager Software, satellite Terminals and Expedition Cases, lifecycle Management Services, cryptography and ICT Security Training and security Assessments.
Who are GSMK Cryptophone's main competitors?
Broad incumbents on record are Thales, BlackBerry, Atos (Hoox / Bull securite) and Rohde & Schwarz SIT. Direct peers are Sectra, KoolSpan, Silent Circle, Bittium and Secusmart. Cellcrypt is listed as an emerging player.
Does GSMK Cryptophone have an API?
No public API is recorded for GSMK Cryptophone.
What industry is GSMK Cryptophone in?
GSMK Cryptophone's product category is Secure Mobile Communications. Its primary akta.pro industry code is HDACAMAN, Mobile Device Management & Security for Tablets/Ultrabooks (MDM/UEM, Device Encryption), with a secondary code of HDABAHAG, Key Management, Encryption & Secrets Management (KMS/HSM/Vault). Its NAICS code is 33421 and its SIC code is 3576.