DOKOM Gesellschaft für Telekommunikation mbH

What DOKOM Gesellschaft für Telekommunikation mbH does

DOKOM Gesellschaft für Telekommunikation mbH, trading as DOKOM21, is a regional telecommunications operator headquartered in Dortmund, Germany, founded in 1997 and 97% owned by the municipal utility Dortmunder Stadtwerke AG (DSW21). The company owns and operates its own fiber, VDSL, and cable broadband infrastructure across the Ruhr region, including points-of-presence in Dortmund, Unna, Iserlohn, Hagen, and an expanding set of cities such as Meinerzhagen, Bochum, Münster, Gelsenkirchen, Wuppertal, Schwerte, and Hamm/Lünen. It also operates five data centers supporting colocation, cloud connectivity, cybersecurity, and the Ruhr-CIX regional internet exchange, which is peered with DE-CIX Frankfurt.

DOKOM21 serves two principal customer segments. The residential segment, marketed under the DOKOM21 brand, offers internet, TV, mobile, and fixed-line telephony bundles on 24-month contracts. The business segment provides dedicated connectivity, colocation across the company's five data centers, managed cybersecurity, and carrier-grade interconnection via Ruhr-CIX. Named enterprise customers include GFOS, PROGAS, Sonepar, Leifheit, BUCS IT, Materna, IHK-Gfl, and VVDE, alongside a housing-sector channel partnership with DOGEWO21.

The business model is a vertically integrated regional telecom: revenue is generated through recurring monthly subscriptions (residential and SME), enterprise colocation and dedicated-line contracts, wholesale interconnection at Ruhr-CIX, and ancillary services such as cybersecurity. The company holds TÜV DIN EN 50600, ISO 27001, and ISO 50001 certifications relevant to enterprise and regulated colocation workloads, and has operated on 100% renewable electricity since 2021. Leadership comprises Managing Directors Marko Iaconisi and Richard Genuit, with Michael Batzdorff chairing the supervisory board; DOKOM21 also maintains a wholly-owned subsidiary, BreitDo, supporting broadband build-out activities.

Name

DOKOM Gesellschaft für Telekommunikation mbH

Legal name

DOKOM Gesellschaft für Telekommunikation mbH

Website

https://dokom.de

Company type

Private

Founded year

1997

Operating status

Operating

Headcount range

1–10 employees

Short description

DOKOM21 is a Dortmund-based regional telecom operator owned 97% by municipal utility DSW21, providing fiber, VDSL, cable broadband, mobile, TV, and enterprise colocation across the Ruhr region, anchored by five owned data centers and the Ruhr-CIX internet exchange.

Ownership category

akta.pro rank

Product category

Regional Telecommunications Services

NAICS

Wired and Wireless Telecommunications (except Satellite) (5171), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518), Computer Systems Design and Related Services (54151)

SIC

Telephone Communications (No Radiotelephone) (4813), Services-Telephone Interconnect Systems (7385), Communications Services, Nec (4899)

akta.pro primary industry

Rural & Regional ISPs (HDAIADAI)

akta.pro secondary industries

VoIP Access & ITSP Services (HDAIAHAD), Carrier & Public Venue Wi‑Fi (Hotspot/Passpoint/NGH) (HDAFACAI), Network Backbone & Core IP Transport (Long-Haul/Metro IP) (HDAIAFAG)

Keywords

• Regional broadband internet
• Telecommunications services
• Data center colocation
• Fiber optic network
• Business connectivity

Headquarters

HQ city

Dortmund

HQ country

Germany

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Residential Telecommunications Services: Recurring monthly subscriptions for residential customers covering internet access (VDSL, cable, fiber), pay TV, and mobile services. Revenue is generated through contract-based subscriptions with minimum terms of 24 months, supplemented by one-time activation fees and optional add-on packages.
2. Business Telecommunications & Connectivity: B2B contracts for internet access, telephony, SIP trunking (IP Centrex), mobile, and dedicated fiber connections. Services include stand-alone internet access, site connectivity, LAN outsourcing, and the Ruhr-Backbone network. Typically sold as longer-term contracts with SLA-backed service levels.
3. Colocation & Data Center Services: Colocation services include rack space rental, server room / cage rental, managed server solutions, and carrier housing. Revenue is generated through recurring monthly fees based on rack units or square meters occupied, with additional charges for power consumption and managed services.
4. Hotspot & Public WiFi Services: DOKOM21 operates public WiFi hotspots. Revenue is generated through ticket sales (daily/weekly passes) and flat-rate plans (HotSpot-Flat), as well as bundled free access for DOKOM21 customers and DSW21 public transport subscribers.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels9 records

Core offering

DOKOM21 is a regional telecommunications provider offering residential and business broadband internet (VDSL, cable, fiber up to 1,000 Mbit/s), TV, mobile, and telephony services across Dortmund and the Ruhr region. It also operates five TÜV-certified geo-redundant data centers providing colocation, managed servers, corporate networking, cybersecurity, and cloud connectivity via the Ruhr-CIX internet exchange.

Product overview

DOKOM21 is a regional telecommunications provider offering a unified portfolio of consumer and business services. Consumer offerings include VDSL, cable, and fiber broadband internet plans (High-Speed-Internet), cable TV and IPTV (DOKOM21 TV, IPTV), mobile voice and data plans (Mobilfunk), and optional add-ons such as managed FRITZ!Box routers, security packages, international calling, and professional installation. Business offerings extend this core connectivity into a broader managed services portfolio: colocation and managed server solutions in TÜV-certified data centers (DIN EN 50600), enterprise cybersecurity (UTM, NGFW, ATP), site-to-site corporate networking (VPN, LAN), cloud connectivity via the Ruhr-CIX internet exchange (peering with Microsoft 365, AWS, SAP, IBM Cloud, Google Cloud, and DE-CIX), IP Centrex cloud telephony, public Wi-Fi hotspots, and wholesale transport network services for carriers. The consumer and business lines share a common fiber infrastructure backbone and are sold through a unified regional sales and support organization.

Differentiator

Problem solved

Functional benefit

Products and services

• High-Speed-Internet (VDSL) VDSL-based broadband internet service for residential customers offering download speeds up to 50, 100, and 250 Mbit/s, bundled with landline and internet flat-rate options.
• High-Speed-Internet (Kabel) Cable (coaxial) broadband internet service for residential customers offering download speeds up to 100, 250, and 300 Mbit/s with bundled TV options and landline flat-rate.
• High-Speed-Internet (Glasfaser) Fiber-to-the-home broadband internet service delivering download speeds up to 1,000 Mbit/s and upload up to 500 Mbit/s, with lower latency and greater stability compared to VDSL and cable alternatives.
• DOKOM21 TV (Kabelanschluss) Cable television service offering over 110 channels including approximately 50 in HD quality, plus radio stations for residential subscribers.
• IPTV Internet Protocol television service delivered via internet connection, provided through Zattoo AG partnership in three packages: IPTV Smart HD, IPTV Premium, and IPTV Ultimate.
• Mobilfunk (Mobile plans) Mobile voice and data plans for residential customers ranging from basic tariff to 40 GB data bundles, with national coverage and throttling to GPRS speeds after data cap.
• Colocation (Serverraum / Rackspace) Colocation services providing physical rack space and server room hosting in TÜV-certified data centers across the Ruhr area, including dedicated cage options and power supply.
• Colocation (Fläche / VIP Fläche) Floor space and VIP area colocation for custom server infrastructure deployments in secured data center environments.
• Managed Server / Serverlösungen Fully managed server hosting with hardware provisioning, operating system management, and maintenance for businesses requiring dedicated infrastructure without in-house management.
• Cyber-Security Lösungen Enterprise cybersecurity portfolio including Unified Threat Management, Next-Generation Firewall, Secure Email Gateway, Advanced Threat Protection, Network Access Control, and Application Delivery Control.
• Unternehmensvernetzung (Site Connectivity, VPN, LAN-Outsourcing) Site-to-site network connectivity solutions including VPN, LAN outsourcing, and dedicated fiber connections linking multiple business locations.
• Ruhr-CIX Regional internet exchange point located in DOKOM21 data centers, providing direct peering with major cloud providers (Microsoft 365, AWS, SAP, IBM Cloud, Google Cloud) and connection to DE-CIX Frankfurt.
• Glasfaseranschluss (Business Fiber) Dedicated fiber optic connectivity for businesses, delivering high-bandwidth, low-latency internet access with guaranteed uptime SLAs.
• IP Centrex Cloud-based IP telephone system providing virtual PBX features including call routing, extensions, and conferencing without on-premise hardware.
• DOKOM21 Hotspots Public Wi-Fi hotspot service available throughout the service area, offering free and paid access tiers including HotSpot-Ticket and HotSpot-Flat options, with free bundled access for DOKOM21 customers and DSW21 public transport subscribers.
• Carrier Housing und Colocation Carrier-grade housing and colocation services for other network operators and carriers, including cross-connects and dedicated fiber entries.
• DOKOM21 Transportnetz Wholesale transport network infrastructure providing high-capacity data communication services to other carriers and service providers across the region.

Quantifiable outcome

• Up to 99.9% availability guaranteed on fixed-line connections
• +2 more outcomes

Named customers9 records

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration23 records

Feature3 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• BUGLAS e.V. (Bundesverband Glasfaseranschluss)coreStrategic or Co-development PartnerDOKOM21 is a member of BUGLAS e.V., the German Fiber Connection Association, and is represented on its board by CEO Marko Iaconisi. BUGLAS advocates for investment-friendly conditions for FTTB/H fiber network deployment and supports the German government's Gigabit Strategy. The association had over 170 member companies as of the source date.
• Ruhr-CIX (Ruhr Internet Exchange)coreTechnology or IntegrationDOKOM21 hosts the Ruhr-CIX internet exchange in its data centers. Ruhr-CIX is directly connected to DE-CIX Frankfurt, the world's largest internet exchange. It enables companies to peer and connect directly to major cloud providers (Microsoft 365, SAP, AWS, Azure, Google Cloud, IBM Cloud) with high availability and low latency.
• DE-CIX FrankfurtcoreTechnology or IntegrationRuhr-CIX is directly interconnected with DE-CIX Frankfurt, the world's largest internet exchange, enabling DOKOM21's customers to access global internet traffic exchange and connectivity to international networks through this peering relationship.
• Regional Carrier Partners (Bochum, Münster, Hagen, Gelsenkirchen, Wuppertal, Schwerte, Hamm/Lünen)coreTechnology or IntegrationDOKOM21 maintains strategic partnerships with carriers in Bochum, Münster, Hagen, Gelsenkirchen, Wuppertal, Schwerte, and the Hamm/Lünen area. This broad network infrastructure enables companies with branch structures to interconnect multiple locations through DOKOM21's regional network.
• GFOSminorOthersGFOS, a technology consulting and software development company headquartered in Essen, uses DOKOM21's data center services to host its GFOS knownCloud solution, achieving active-active mirroring across DOKOM21's geo-redundant facilities for maximum availability.
• DOGEWO21coreChannel Partner/ Reseller/ DistributorDOGEWO21, a housing management company in Dortmund, partners with DOKOM21 to provide multimedia services (internet, TV) to its residential tenants. DOKOM21 serves as the exclusive telecommunications provider for DOGEWO21 properties.
• DSW21 (Dortmunder Stadtwerke AG)coreStrategic or Co-development PartnerDOKOM21's parent company is DSW21 (Dortmunder Stadtwerke AG), which holds 97% ownership of DOKOM. DSW21 also provides joint sponsorship of the Dortmund Eisadler ice hockey team with DOKOM21 and offers DOKOM21 hotspot access as a benefit for DSW21 public transport subscribers.
• Tradedoubler GmbHminorGTM or Marketing PartnerDOKOM21 participates in the Tradedoubler affiliate marketing network, placing banners and links on its website that are compensated on a pay-per-click or sale-commission basis.

Scale indicators6 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Deutsche Glasfaser GmbH: Pure-play FTTH/B operator rolling out fiber networks in underserved and rural areas of Germany, including housing-industry partnerships. Comparable to DOKOM21 on fiber infrastructure rollout, MDU/housing-industry GTM (DOGEWO21-like) and regional footprint expansion.
• M-net Telekommunikations GmbH: Regional ISP in Bavaria owned by a consortium of municipal utilities, providing fiber, DSL, mobile and B2B services including data center solutions. Highly comparable as a regional municipal-backed full-service telecom rivaling DOKOM21's portfolio breadth.
• Colt Technology Services GmbH: Enterprise-focused connectivity and colocation provider operating on-net data centers and fiber networks across Europe. Comparable to DOKOM21's enterprise data center, site connectivity and carrier-neutral colocation business serving mid-market and enterprise customers.
• 1&1 Versatel GmbH: Wholesale and B2B-focused fiber and connectivity provider in Germany, operating an extensive backbone and serving enterprise customers with site connectivity and managed services. Closely comparable to DOKOM21's enterprise/B2B connectivity and Ruhr-Backbone offerings.
• Plusnet GmbH: German regional ISP and B2B broadband provider (subsidiary of United Internet), focused on DSL/fiber for SMEs and resellers. Comparable as a regional fiber + B2B connectivity peer competing for similar mid-market customers in regional geographies.
• NetCologne: Municipal-utility-owned regional ISP and data center operator serving the Cologne/Bonn region with fiber, cable, mobile and business services. Closest structural analog to DOKOM21 in scale, ownership (GEW Köln / municipal) and product mix (residential + B2B connectivity + colocation).
• EWE TEL GmbH: Telecommunications arm of EWE AG, a municipal-utility-rooted group serving northwest Germany with fiber, DSL, mobile and business services. Comparable regional scope, ownership heritage and product mix to DOKOM21, including B2B connectivity in non-urban areas.

Broad incumbents

• Deutsche Telekom AG: Germany's national incumbent offering fixed, mobile, broadband, TV and business services across the country. Overlaps with DOKOM21 in Dortmund/Ruhr but offers a vastly larger portfolio; the principal competitor cited in DOKOM21's own positioning.
• Telefónica Germany (O2): Major national mobile and broadband operator in Germany offering fixed/mobile bundles. Overlaps with DOKOM21 in mobile plans and broadband, particularly as an alternative for price-sensitive residential customers in the Ruhr footprint.
• Vodafone GmbH: Major national cable and mobile operator in Germany offering broadband, TV, mobile and B2B services. Competes with DOKOM21 in the Dortmund/Ruhr footprint via cable and unified communications, especially for residential quad-play and enterprise connectivity.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

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Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

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 DOKOM Gesellschaft für Telekommunikation mbH