TelemaxX

What TelemaxX does

TelemaxX Telekommunikation GmbH, founded in 1999 and headquartered in Karlsruhe, Germany, is a privately held regional infrastructure provider combining owned high-security data centers, a proprietary fiber optic backbone, and an integrated IT services portfolio. The company operates 4-5 ISO 27001-certified, ISAE 3402 Type 2-audited data centers in the TechnologieRegion Karlsruhe providing more than 8,000 m² of colocation space, underpinned by over 2,400 km of self-owned fiber laid in ring-redundant topology and integrating approximately 53 Telekom HVTs with 50 own POPs. Service reach extends to DE-CIX in Frankfurt via redundant connections and includes a footprint through the Kleyer 90 location, enabling peering and direct hyperscaler access.

The product portfolio spans colocation (server racks, dedicated cages), managed services (server, switch, storage, firewall plus a Fortinet-based Secure-maxX, DDoS-Protect, and 24/7 Managed SOC), cloud (the OpenStack-based OpenCloud, dedicated-hardware Virtual Private Cloud, VMware Cloud, and S3-compatible object storage), telecommunications (Ethernet direct connections, symmetric business internet up to 10 Gbit/s, SIP trunking, and cloud telephony with Starface and Phone Informationssysteme Heilmann), and interconnection (DE-CIX Connect, GlobePEER, GlobePEER Remote for Frankfurt-NY peering, DirectCLOUD for Azure/AWS/Google Cloud, Microsoft Azure Peering Service, VirtualPNI).

TelemaxX generates revenue primarily from recurring subscription and managed services fees, complemented by usage-based cloud consumption and a white-label ISP service platform offered to municipal utilities (Stadtwerke). It sells through a direct enterprise field-sales motion focused on the Karlsruhe region and adjacent verticals (finance, healthcare, public sector, logistics, automotive, food, retail, education, system houses, carriers), supported by a partner channel comprising 9 regional Stadtwerke shareholders plus technology resellers. The company employs between 11-50 staff, claims 100% DSGVO-compliant Made-in-Germany operations, and is privately held by 9 regional municipal shareholders, with no disclosed funding rounds or external institutional ownership.

Name

TelemaxX

Legal name

TelemaxX Telekommunikation GmbH

Website

https://telemaxx.de

Company type

Private

Founded year

1999

Operating status

Operating

Headcount range

11–50 employees

Short description

TelemaxX is a privately held Karlsruhe-based provider of colocation, managed services, cloud (OpenStack, VPC, VMware), and telecommunications, operating 4-5 certified data centers and 2,400+ km of proprietary fiber for German mid-market, public sector, and municipal utility customers.

Ownership category

akta.pro rank

Product category

Data Center and Colocation Services

NAICS

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518), Wired Telecommunications Carriers (517111)

SIC

Communications Services, Nec (4899), Telephone Communications (No Radiotelephone) (4813)

akta.pro primary industry

Network Interconnection & Data Center Meet-Me Services (MMRs, carrier hotels, interconnect fabrics) (HDAIAEAK)

akta.pro secondary industries

Network Backbone & Core IP Transport (Long-Haul/Metro IP) (HDAIAFAG), Carrier Interconnection & Peering Exchanges (IXPs, private interconnect, cross-connect) (HDAIAEAG), Cloud Connectivity & Interconnect (Cloud On-Ramps, IX, Cross-Connects) (HDAIAFAF), Carrier Ethernet & Wavelength Wholesale (E-Line/E-LAN, OTN, lambda) (HDAIAEAB)

Keywords

• Data center services
• Colocation services
• Managed cloud hosting
• Fiber optic network
• Business telecommunications

Headquarters

HQ city

Karlsruhe

HQ country

Germany

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Colocation & Data Center Services: Rack and cage colocation services in certified high-security data centers, including server racks, dedicated cages, redundant power and cooling, and datacenter management. Revenue is generated through recurring colocation fees based on space and power consumption.
2. Managed Services: Managed server, switch, storage, and firewall services delivered within data centers or at customer premises. Includes Secure-maxX firewall-as-a-service, Managed SOC, and hands-on services. Revenue is recurring based on service tiers.
3. Cloud Services (OpenCloud, VPC, VMware Cloud): OpenStack-based OpenCloud, Virtual Private Cloud with dedicated hardware, VMware Cloud, and S3 storage services. Revenue model combines subscription-based compute/storage with usage-based consumption for additional resources.
4. Telecommunications: Data direct connections (Ethernet, VPN), business internet (symmetric bandwidth from 100 Mbit/s to 10 Gbit/s), IP telephony (SIP Account, SIP Trunk, Cloud Telephony). Revenue generated through recurring subscription fees and usage-based components.
5. Interconnection: DE-CIX Connect, GlobePEER (peering), GlobePEER Remote, DirectCLOUD (hyperscaler connections), Microsoft Azure Peering Service, VirtualPNI. Revenue through dedicated connection fees and peering arrangements.
6. White Label ISP Platform: Complete ISP service platform offered as white-label to city utilities and municipalities, bundling internet, IP telephony, and IP-TV services. Revenue shared or charged as platform/service fees.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels6 records

Core offering

TelemaxX operates five high-security data centers in Karlsruhe combined with a proprietary 2,400+ km fiber optic backbone to deliver colocation, managed cloud (OpenCloud, VPC, VMware), managed services (server, storage, firewall, SOC), and business telecommunications (business internet, SIP trunk, cloud telephony) to enterprises across Germany. It also provides interconnection services including DE-CIX peering and dedicated private connections to hyperscalers (Azure, AWS, Google Cloud), and operates a white-label ISP platform for Stadtwerke and municipalities. All services are 100% GDPR-compliant and hosted exclusively in Germany.

Product overview

TelemaxX Telekommunikation GmbH ist ein regionaler IT-Dienstleister aus Karlsruhe mit eigenen Hochsicherheitsrechenzentren und einem eigenen Glasfasernetz (über 2.400 km). Das Unternehmen bietet ein integriertes Portfolio aus Colocation-Services (Server-Rack und Server-Cage), Cloud-Lösungen (TelemaxX OpenCloud mit OpenStack, Virtual Private Cloud für dedizierte Hardware, VMware Cloud) sowie Managed Services (Managed Server, Switch, Storage, Firewall). Die Telekommunikationssparte umfasst Datendirektverbindungen, Business Internet und IP-Telefonie (SIP, Cloud-Telefonie). Zusätzlich bietet TelemaxX Interconnection-Services mit Anbindung an DE-CIX, GlobePEER für Peering und DirectCLOUD für Hyperscaler-Verbindungen. Die IT-Security-Produkte umfassen Secure-maxX (Firewall-as-a-Service), DDoS-Protect und Managed SOC. Das gesamte Portfolio ist auf DSGVO-Konformität und 'Made in Germany'-Standards ausgerichtet.

Differentiator

Problem solved

Functional benefit

Products and services

• TelemaxX OpenCloud GDPR-compliant cloud platform based on OpenStack with Kubernetes and Infrastructure-as-Code support, enabling self-service scaling without vendor lock-in for enterprises seeking German-hosted cloud infrastructure.
• Virtual Private Cloud (VPC) Dedicated cloud environment with 100% dedicated hardware from certified Karlsruhe data centers, providing maximum data sovereignty and GDPR compliance with geo-redundancy across two data centers.
• TelemaxX VMware Cloud VMware-based cloud solution delivered 100% GDPR-compliant from TelemaxX's own data centers with maximum flexibility for VMware-based enterprise workloads.
• S3 Storage Self-service object storage solution with full AWS S3 API compatibility and GDPR-compliant storage in certified German data centers, with pay-per-use billing and zero traffic costs.
• Server-Rack Colocation High-availability colocation in server racks with redundant power supply and cooling (99.99% availability) in ISO 27001 / ISAE 3402 Type 2 certified Karlsruhe data centers.
• Server-Cage Colocation Enclosed, individually configurable and secure area within the data center for exclusive use by a single customer with the highest security standards.
• Managed Server Server setup and maintenance as a managed service with minimum 99% annual availability in TelemaxX data centers.
• Managed Switch Managed network switch within GDPR-compliant data centers with seamless integration into the corporate network.
• Managed Storage Storage on demand solution with monthly availability up to 99.9%, including Archive, Economic Performance, High Performance, and High Performance Plus tiers.
• Managed Firewall Comprehensive data protection with enhanced security and control over network traffic for enterprise environments.
• Secure-maxX Firewall-as-a-Service with full FortiManager control, virtual domain secure data center connectivity, and 24-hour provisioning for rapid enterprise firewall deployment.
• DDoS-Protect DDoS defense service with protection measures up to Layer 7 and NetFlow-based analysis of bandwidth-intensive attacks.
• Managed SOC 24/7 log analysis with maximum 2-hour response time, including threat detection, incident response, vulnerability management, and compliance monitoring.
• Datendirektverbindung Ethernet GDPR-compliant dedicated data transmission without internet, with guaranteed bandwidth and 99.50% annual availability.
• Business Internet Symmetric internet connections with bandwidth from 100 Mbit/s to 10 Gbit/s, available in Basic, Advanced (flex), and Advanced plus (flex) variants with SLAs up to 99.9%.
• SIP Account Entry-level Voice over IP service with 2 voice channels and up to 10 individual numbers for small businesses adopting IP telephony.
• SIP Trunk Voice over IP via the TelemaxX voice network in Basic, Basic MaxX, Basic NGN Protect, Advanced, and Advanced NGN Protect variants, scaling up to 180 voice channels for redundancy-equipped variants.
• Cloud-Telefonie Scalable cloud telephony delivered with Phone Informationssysteme Heilmann GmbH and Starface, hosted in GDPR-compliant Karlsruhe data centers with CRM integration and full-service support.
• TelemaxX White Label ISP-Service Plattform White-label ISP solution for Stadtwerke and municipalities enabling them to provide internet, telephony, and IP-TV under their own brand with a complete all-in-one package, including order processing, logistics, network operations, monitoring, and 2nd/3rd level support handled by TelemaxX.
• DE-CIX Connect Dedicated connection directly from TelemaxX Karlsruhe data centers to DE-CIX in Frankfurt, enabling peering with networks across continents and direct connections to hyperscalers.

Quantifiable outcome

• Up to 99.99% availability SLA for power and cooling in data center operations
• +3 more outcomes

Named customers5 records

Segments12 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration9 records

Feature9 records

Partnerships

17 partnerships are on record, tiered core and minor.

• DE-CIXcoreTechnology or IntegrationTelemaxX provides DE-CIX Connect, a dedicated connection directly to DE-CIX in Frankfurt from TelemaxX data centers in Karlsruhe. This enables customers to peer with networks across continents and access DE-CIX services. The partnership also includes VirtualPNI for virtual point-to-point connections over the DE-CIX network.
• Phone Informationssysteme Heilmann GmbHcoreStrategic or Co-development PartnerTelemaxX partners with Phone Informationssysteme Heilmann GmbH (alongside Starface) to deliver cloud telephony solutions. This joint offering enables flexible cloud-based IP telephony for businesses, combining Heilmann's phone system expertise with TelemaxX's infrastructure.
• StarfacecoreTechnology or IntegrationTelemaxX collaborates with Starface (alongside Phone Informationssysteme Heilmann GmbH) to provide cloud telephony solutions based on the Starface PBX platform, enabling seamless integration with customers' existing IT environments and modern telephony features.
• CyberForum e.V.minorOthersTelemaxX is a member of CyberForum e.V., the largest regional high-tech network in the Karlsruhe Technology Region, which connects IT companies, start-ups, and research institutions.
• Breitbandkabel Landkreis KarlsruheminorStrategic or Co-development PartnerPartnership with Breitbandkabel Landkreis Karlsruhe for regional broadband coverage with fiber optic infrastructure, extending connectivity to the broader Karlsruhe district.
• MicrosoftcoreTechnology or IntegrationTelemaxX offers Microsoft Azure Peering Service via DE-CIX, providing a dedicated connection to Microsoft 365 and Azure services. Additionally, DirectCLOUD provides dedicated connections to Microsoft Azure, AWS, and Google Cloud.
• Amazon Web Services (AWS)coreTechnology or IntegrationDirectCLOUD provides dedicated private connections to Amazon Web Services, enabling faster, more secure, and cost-effective data transfer between customer environments and AWS cloud services.
• Google CloudcoreTechnology or IntegrationDirectCLOUD enables dedicated private connections to Google Cloud, facilitating multi-cloud scenarios with improved performance and security.
• FortinetcoreTechnology or IntegrationTelemaxX's Secure-maxX managed firewall service is built on Fortinet technology, utilizing FortiManager for complete control over firewall configurations and virtual domains (vDOMs) for secure data center connectivity.
• Stadtwerke BruchsalcoreChannel Partner/ Reseller/ DistributorOne of 9 regional shareholders and a key partner for the White Label ISP-Service Plattform. Stadtwerke Bruchsal utilizes TelemaxX's infrastructure to offer fiber optic products to end customers under their own brand.
• Stadtwerke KarlsruhecoreChannel Partner/ Reseller/ DistributorMajor regional shareholder and partner for the White Label ISP platform, leveraging TelemaxX's fiber network and ISP services to serve end customers in the Karlsruhe area.
• Stadtwerke EttlingencoreChannel Partner/ Reseller/ DistributorRegional shareholder and partner utilizing the White Label ISP platform to offer telecommunications services to customers in the Ettlingen area.
• Stadtwerke BrettenminorChannel Partner/ Reseller/ DistributorRegional shareholder and partner in the White Label ISP platform for the Bretten area.
• Stadtwerke GaggenauminorChannel Partner/ Reseller/ DistributorRegional shareholder and partner in the White Label ISP platform for the Gaggenau area.
• Stadtwerke BühlminorChannel Partner/ Reseller/ DistributorRegional shareholder and partner in the White Label ISP platform for the Bühl area.
• Stadtwerke Baden-BadenminorChannel Partner/ Reseller/ DistributorRegional shareholder and partner in the White Label ISP platform for the Baden-Baden area.
• Gemeinde StutenseeminorChannel Partner/ Reseller/ DistributorRegional shareholder and partner in the White Label ISP platform for the Stutensee municipality.

Scale indicators6 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Hetzner Online: German private hosting and data center operator offering dedicated servers, cloud, managed services, and colocation from owned facilities. Closest like-for-like peer: similar German Mittelstand focus, private ownership, owned infrastructure, integrated cloud + hosting stack.
• IONOS (1&1 Internet): Major German cloud, hosting, and data center provider serving SMBs and midmarket with a comparable integrated portfolio (cloud, dedicated servers, managed services, ISP). Direct competitor for German Mittelstand cloud and hosting workloads.
• Maincubes: German/European data center operator providing colocation and carrier-neutral interconnection in owned Tier-grade facilities (Frankfurt, Amsterdam). Comparable to TelemaxX on colocation + interconnection focus, with a larger national footprint.
• PlusServer (Plus.line): German managed hosting, cloud, and colocation provider serving midmarket and enterprise customers from German data centers. Direct overlap with TelemaxX's cloud, managed services, and colocation portfolio.
• q.beyond (formerly QSC AG): German managed IT services, cloud, and SAP hosting provider serving midmarket enterprises. Overlaps with TelemaxX on managed services, cloud, and German-sovereignty positioning for Mittelstand customers.

Regional players

• TeleData GmbH: Regional German data center and IT services provider (Lake Constance region) owned by municipal utilities, with similar Stadtwerke-driven shareholder structure and integrated cloud/colocation offerings — a strong structural analog.

Broad incumbents

• Equinix: Global leader in carrier-neutral colocation and interconnection (Equinix Fabric, Equinix Metal). Competes with TelemaxX for enterprise interconnection and direct cloud-connect deals, but at much larger scale and international footprint.
• Digital Realty: Global hyperscale and colocation data center operator (including Interxion in Europe). Overlaps with TelemaxX's colocation and DE-CIX-style interconnection, but at substantially larger scale and broader geographic reach.
• Colt Technology Services: European fiber and data center operator offering network services, colocation, and cloud connectivity. Comparable on the Ethernet/MPLS, direct cloud connect, and carrier interconnection stack that TelemaxX also provides.

Others

• DE-CIX: Operator of the world's largest Internet Exchange in Frankfurt and a partner of TelemaxX (DE-CIX Connect). Relevant as an interconnection ecosystem participant whose services TelemaxX resells; not a direct competitor but a key peer for the interconnect category.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xxing.com/companies/telemaxxtelekommunikationgmbh
• YouTubeyoutube.com/user/TelemaxxGmbH
• Facebookfacebook.com/TelemaxXTelekommunikation
• LinkedInlinkedin.com/company/telemaxx-telekommunikation-gmbh
• Instagraminstagram.com/telemaxx_gmbh

Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

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 TelemaxX