What Telio Group does

Telio Group is a Hamburg, Germany-based telecommunications and software company founded in 1998 that builds secure communication infrastructure for correctional facilities. Its core technology spans in-cell fixed telephony, video visitation, mobile device detection and neutralization, prepaid account management with regional payment integrations (MobiPay, NamPost), and family-facing digital portals branded CYOU, Mytelio, and Myphon.io (available via web and iOS/Android apps). The company installs and maintains all hardware and software under concession agreements with ministries of justice and correctional administrations, with a self-financing model in which revenue is generated through usage-based fees paid by inmates and their families rather than by governments — a structure that allows prisons to modernize communications without burdening public budgets.

Telio operates in 21–25 countries across Europe, Africa, Asia, North America, and Oceania, serving more than 800 correctional facilities with a global team whose headcount is reported variably as 250+ (company statement) or 800+ (third-party source). Customers are exclusively government correctional authorities, including notable deployments such as 52,000 in-cell phones across France, 9,062 phones across all 49 Portuguese prisons, full national coverage in Namibia, and contracts in 12 Canadian provinces/territories plus 3 US states (via the August 2023 Synergy acquisition). Telio has expanded through a combination of organic national rollouts and acquisitions, including BVFon (Hungary, 2012), Sagi (France, 2015), and Synergy (North America, 2023).

The company monetizes primarily through usage-based fees on calls, video sessions, and family transactions, supplemented by managed services for monitoring and detection technology. Distribution combines direct enterprise sales to governments via public tenders, conference-led thought leadership (ICPA, PDTC, WICC, CTC), and a foundation-driven social impact narrative (Connecting Hearts, COPE, UNICRI partnerships). A EUR 250 million Nordic Bond refinancing completed in May 2026, arranged with Charterhouse Capital Partners and Pareto Securities, provides capital for further digital solutions investment and continued geographic and product expansion.

Name

Telio Group

Legal name

Telio Management GmbH

Website

http://www.tel.io/

Company type

Private

Founded year

1998

Operating status

Operating

Headcount range

251–500 employees

Short description

Telio Group is a Hamburg-based telecommunications and software company founded in 1998 that provides secure in-cell telephony, video visitation, family portals, and inmate management technology to government correctional facilities in 21+ countries, monetizing through usage-based fees paid by inmates and families under long-term concession agreements.

Ownership category

akta.pro rank

Product category

Correctional Communications

NAICS

Correctional Institutions (922140)

SIC

Telephone Communications (No Radiotelephone) (4813), Services-Detective, Guard & Armored Car Services (7381)

akta.pro primary industry

Correctional Facility Operations (Prisons & Jails) (BPAKANAA)

Keywords

• Correctional telecommunications
• Inmate communication services
• Prison telephony systems
• Secure video visitation
• Inmate management software

Headquarters

HQ city

Hamburg

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Infrastructure, Personnel, Technology or R&D, Operations, Marketing or Sales

Revenue model

1. Correctional Facility Communication Services: Telio provides secure telephony and communication services to correctional facilities under government concession agreements. The system is described as self-financed, not burdening state budgets. Revenue is generated through usage fees paid by inmates and their families for phone calls, with the company handling all infrastructure installation and maintenance.
2. Digital Visitation Services: Video calling and digital visitation solutions for correctional facilities, enabling remote family visits through secure platforms.
3. Technology Tools and Monitoring: Advanced monitoring and management tools for correctional staff, including detection systems for prohibited devices and administrative efficiency solutions.
4. Family Portal Services: Consumer-facing portals (CYOU, Mytelio) enabling families to load credit, send messages, voicemails, and pictures to incarcerated loved ones. Revenue from transaction fees and service charges to end users.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels6 records

Core offering

Telio Group provides secure correctional communications infrastructure — primarily in-cell telephony, video visitation, and family-facing portals — sold to government ministries, prison administrations, and correctional services under multi-year concession agreements. The company installs, owns, and operates the technology on a self-financing basis, recovering costs through usage-based fees paid by inmates and families via prepaid accounts, while also offering digital inmate management tools and mobile device detection systems for correctional staff.

Differentiator

Problem solved

Functional benefit

Brands

• CYOU: Family portal for incarcerated individuals to send money, voicemails, pictures, and messages
• Mytelio
• Myphon.io

Products and services

• In-Cell Telephony System Fixed telephones installed inside inmate cells enabling private, secure communication with approved family contacts. Features include scheduled access windows, monitoring capabilities, and 24/7 emergency/assistance line access. Sold to government correctional authorities under concession agreements.
• Secure Video Visitation Secure video calling solutions enabling face-to-face remote communication between inmates and their families, particularly relevant when families live far from correctional facilities. Sold to correctional authorities as part of integrated communication deployments.
• Digital Inmate Request Management Digital tools enabling inmates to access information and services without requiring staff assistance for every minor request, improving operational efficiency and reducing administrative burden on correctional personnel.
• Mobile Device Detection and Neutralization Technology solutions for detecting and neutralizing prohibited mobile devices smuggled into correctional facilities, addressing contraband communications risks.
• CYOU Family Portal Family-facing portal available via web and mobile apps (Apple App Store id6670532239; Google Play com.telio.cyou) allowing relatives of incarcerated individuals to manage prepaid accounts and send messages, voicemails, pictures, and credit to inmates.
• Mytelio Family Portal Localized family-facing portal serving the Netherlands and Germany markets, providing relatives with prepaid account management, messaging, and communication services to incarcerated loved ones.
• Myphon.io Family Portal Switzerland-market family-facing portal enabling relatives to maintain contact with incarcerated loved ones through secure communications and prepaid account management.
• Prepaid Account Management and Payment Integration System for managing inmate prepaid accounts including phone cards, reverse-charge calling capabilities, and integration with local payment infrastructure (MobiPay terminals, NamPost branches) enabling families — including those in rural areas — to load credit for inmates.

Quantifiable outcome

• Phone call users doubled and call volume quadrupled after in-cell telephony rollout
• +6 more outcomes

Named customers5 records

Segments3 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Nine partnerships are on record, tiered minor and core.

• Justice TrendsminorStrategic or Co-development Partner · 20 April 2026International platform for justice and corrections developments, innovation and best practices. TEL.IO partners to support knowledge-sharing and practical exchange across the justice sector. Joint publication on AI in corrections.
• Directorate-General for Reintegration and Prison Services (DGRSP) - PortugalcoreStrategic or Co-development Partner · 20 February 2024Government partner for Sistema Telefónico Prisional (STR) nationwide rollout. Concession agreement to install in-cell telephony across all 49 Portuguese prisons, serving 12,000 inmates. Project involved 620km of new telephone cables and 165 IT racks.
• Synergy Inmate Phone SolutionscoreOEM/ Whitelabel/ Licensing Partner · 31 August 2023Acquired North American entity serving Canadian correctional authorities (12 provinces/territories) and 3 US states. Founded 2007, led by former senior Canadian correctional personnel. Brought North American footprint and telephony expertise to Telio Group.
• Connecting Hearts FoundationcoreStrategic or Co-development PartnerTelio Group founded this foundation in 2022 to support children of incarcerated parents. Foundation focuses on international projects supporting children affected by parental incarceration. Active partnerships with organizations worldwide including The Nest in Kenya, and collaboration with Children of Prisoners Europe (COPE).
• Namibia Correctional ServicecoreStrategic or Co-development PartnerGovernment partner for national rollout of secure inmate telephony across all 13 correctional facilities. Collaboration on digital reform agenda supporting Offender Risk Management Correctional Strategy (ORMCS) and Digital Reintegration Strategy developed with UNICRI and Government of Japan.
• Children of Prisoners Europe (COPE)minorStrategic or Co-development PartnerInternational network collaboration to share insights at conferences and raise awareness about children affected by parental incarceration. Supporting policy change and public understanding.
• United Nations Interregional Crime and Justice Research Institute (UNICRI)minorStrategic or Co-development PartnerCollaboration on Namibia's Digital Reintegration Strategy, bringing digital inclusion to the heart of rehabilitation policy.
• Government of JapanminorStrategic or Co-development PartnerPartner in Namibia's Digital Reintegration Strategy collaboration with UNICRI, supporting correctional modernization efforts.
• International Corrections and Prisons Association (ICPA)coreStrategic or Co-development PartnerLong-standing major sponsor of ICPA Annual Conference. Active participation in thought leadership events, hosting discussions on correctional sector changes. Partnership for knowledge-sharing and industry development.

Scale indicators10 records

Recent moves6 records

Expansion highlights6 records

Emerging players

• Edovo: US-based provider of inmate tablets, education, and communication tools for correctional facilities. Comparable to Telio's expanding digital reintegration product suite and consumer-facing family engagement features.
• Ameelio: Nonprofit communications provider offering free/low-cost inmate calling and video visitation. Directly competes with Telio's CYOU/Mytelio family portal offering by undercutting usage-fee economics in shared markets.

Direct peers

• Securus Technologies: One of the largest US providers of inmate telephone, video visitation, and communication services to correctional facilities. Directly competes with Telio/Synergy for state-level correctional contracts, especially in Telio's North American expansion footprint.
• Paytel Communications: Provider of inmate telephone, video visitation, and tablet services primarily to county jails and state DOCs. Directly comparable to Telio in correctional communications product mix and B2G concession model.
• ICSolutions: US-based provider of inmate phone, messaging, and account management services to county and state correctional agencies. Comparable to Telio in product scope (telephony, messaging, prepaid) and target market (government correctional facilities).
• GTL (Global Tel*Link): Major US inmate communications and technology provider offering phone, video visitation, tablets, and related correctional services. Closest direct competitor to Securus and a relevant peer for Telio's expanding North American business.

Broad incumbents

• NetSfere: Enterprise secure messaging and communications provider with potential overlap into correctional/secure communications. Represents a broad incumbent that could expand into Telio's niche from the adjacent secure-messaging market.
• Unify Square (Unify): Enterprise communications vendor (formerly Siemens Enterprise Communications) with adjacent secure voice/video capabilities. Provides a benchmark for the broader enterprise telephony space that Telio's platform competes with for institutional customers.

Regional players

• CML Telecom (Eckoh): UK-based provider of telephone services to UK prisons (HMPPS contracts), historically adjacent to Telio's European footprint. Comparable in correctional telephony focus but operates in a different geographic market.
• Renacer Group (IPsi): Latin American inmate phone and technology services provider with concessions across Argentine, Chilean, and other South American prisons. Comparable to Telio in concession-based correctional telecom model and government tender approach.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/teliogroup
• LinkedInlinkedin.com/company/telio-group

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Telio Group