Denmark is one of Europe's most advanced fixed broadband markets, as explored in our recent report: ”Europe's Fixed Broadband Landscape: From fiber coverage to in-home experience” (May 2026). The market is defined by over 90% fiber coverage, accelerating transition away from legacy copper, competitive open-access infrastructure, and a highly advanced in-home Wi-Fi provision. Fiber accounted for approximately 63% of fixed broadband subscriptions as of 2025, according to sector regulator Energistyrelsen. The country has committed to switching off its copper network by 2030, and DSL decline is already well advanced. Hybrid fiber-coaxial cable (HFC) networks, operated primarily by TDC NET and Norlys, continue to serve a meaningful subscriber base. Denmark's 2021 digital connectivity strategy had targeted 98% of households having access to 1 Gbps download speeds by 2025.

The market is organized around two dominant wholesale infrastructure groups and a major fiber-only provider. TDC NET, separated from TDC Group's retail operations in 2018, operates Denmark's largest national multi-technology network and holds approximately 35% of the fixed broadband subscriber base, functioning as an open-access wholesale platform for its own brands (principally YouSee) and independent challengers. Norlys, a cooperative energy and telecoms group, has established itself as Denmark's second-largest provider through a series of acquisitions, most recently the purchase of EWII Fibernet's approximately 135,000-address fiber footprint in the Triangle Region of Jutland, approved in August 2025.

Norlys operates networks reaching approximately 875,000 households under the Norlys and Stofa brands, while also providing open wholesale access to third-party ISPs. Fibia, operating under the Waoo retail brand, is Denmark's principal fiber-only infrastructure owner, covering Zealand and parts of Jutland as a key provider on the OpenNet open-access wholesale platform. Telenor and 3 operate primarily as mobile network operators, both also offering fixed-line and 5G FWA services.

This report covers Denmark's five main fixed broadband providers nationally: Fibia, Hiper, Norlys, TDC, and Telenor. Our regional analysis across Denmark's five administrative regions (Central Jutland, Hovedstaden, North Jutland, South Denmark, and Zealand) additionally includes Altibox.

We analyze real-world data from Danish fixed broadband users across five measures of experience: Consistent Quality, Download Speed, Upload Speed, Video, and Reliability. Together, these metrics reflect the range of ways households rely on broadband, from remote work and education to video streaming and gaming. Results cover all available access technologies, including fixed-line and Fixed Wireless Access (FWA) connections.

Plan characteristics, such as speed tiers or data caps, vary by provider and influence average experience results. Our analysis reflects users' actual experience regardless of their subscribed plan, measured over a 90-day period from January 1 to March 31, 2026.

A defining characteristic of the Danish market is the prevalence of wholesale open-access arrangements, under which retail ISPs commonly deliver their services over the physical infrastructure of third-party network operators. Opensignal identifies each ISP by the network entity responsible for routing a user's connection at the IP layer, not by the retail brand on the customer's bill. Some retail providers, particularly those using managed wholesale services rather than independently operated IP infrastructure, may therefore appear in this report under the name of the underlying network operator. A full technical explanation of how each ISP is identified and mapped, including how Denmark's wholesale market structure affects the coverage of specific retail brands, is available in the accompanying ISP methodology footnote.