TDC Erhverv A/S Due Diligence

Run due diligence on TDC Erhverv A/S: check compliance and get alerts when suppliers or ownership change.

Denmark · owned by TDC Group A/S (Denmark) · tdcerhverv.tdc.dk · 6 vendors

TDC Erhverv is the business-to-business division of TDC Group, Denmark's largest telecommunications company. It provides a wide range of telecom and IT solutions to Danish businesses, including mobile, fixed-line, internet, cloud, and managed services. TDC Erhverv operates under the broader TDC Group umbrella, which has been a cornerstone of Danish telecommunications infrastructure for over a century.

Resilience scores

Technology vendors

Services catalogue

9 services in catalogue across 5 categories; runs on 6 sub-vendors.

Insights

Last updated 2026-09-26 · revision 16

6 direct vendors, 116 subvendors

Direct vendors by controlling owner country (sample)

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Compliance

10 in-scope frameworks identified; showing 3.

NIS2 (source) — No public evidence

TDC Erhverv operates in the 'digital infrastructure' and 'ICT service management' sectors, which are classified as Essential Entities under NIS2. As a large enterprise in Denmark, it falls squarely within the directive's scope.

Evidence: https://tdc.dk/da/produkter/cybersikkerhed/security-operations-center, https://tdc.dk/da/produkter/cybersikkerhed/datasikkerhed/tdc-erhverv-cloudkey, https://ezine.eversheds-sutherland.com/eu-nis2-directive/denmark, https://www.rismasystems.com/en/resources/articles/how-nis2-dora-gdpr-are-implemented-in-scandinavia

GDPR (source) — Evidence found

The company is established in Denmark (EU) and processes the personal data of employees and a large customer base within the EU, making GDPR directly applicable.

Evidence: https://tdc.dk/da/persondatameddelelse-eng, https://tdc.dk/da/persondatameddelelse

Executive Order on data retention — No public evidence

The Danish Executive Order on data retention (Logføringsbekendtgørelsen) legally obliges all providers of electronic communications networks and services in Denmark to retain specific traffic data for law enforcement purposes.

Evidence: https://en.digst.dk/telecom/telecom/telecom-regulation/, https://assets.ctfassets.net/xdjn5af12be6/2KXJl9x8f3kuG74dAO3hhk/eed2e3a9a77373d06e228552f33d89e0/PDM_Datatjenester_30072026_EN.pdf, https://clfr.globalnetworkinitiative.org/country/denmark/, https://dk.trustpilot.com/review/www.tdc.dk, https://tracxn.com/d/companies/tdc-erhverv/__140O3b4rWuueHPAXf-2oeJ78rLcNtbCi12c-vq2bI70, https://itpol.dk/articles/new-Danish-data-retention-law-2022

Financials

Financial Resilience Score: 6/10

TDC Erhverv A/S benefits from its position as the B2B arm of Denmark's incumbent telecom operator, giving it the largest B2B telecom customer base in the country including significant enterprise and public-sector contracts. The company is backed by DKT Holdings, a consortium of Danish pension funds (PFA, PKA, ATP, PensionDanmark) and Macquarie, providing access to long-term patient capital. Preferred wholesale access to TDC Net's fibre and mobile infrastructure gives cost and coverage advantages, and the bundled portfolio of mobile, fixed, cloud/UC and security services supports cross-sell and stickier ARPU. However, resilience is tempered by structural headwinds. The Danish B2B telecom market is mature and price-competitive, with pressure from 3 (Hi3G), Telia, Telenor and challenger MVNOs squeezing margins. Legacy fixed voice and WAN revenues are in decline, and growth depends on cloud/UC/security offsetting this erosion. The wider DKT/Nuuday group carries meaningful debt from the 2018 take-private LBO, and the operational split between Nuuday and TDC Net creates inter-company dependency risk. Regulatory exposure at Danish and EU level on wholesale access, roaming and contract rules is an additional risk.

Key strengths: Incumbent scale with largest B2B telecom customer base in Denmark, Strong parent backing from DKT Holdings (Danish pension funds + Macquarie), Bundled portfolio (mobile, fixed, cloud/UC, security) supports cross-sell, Preferred wholesale access to TDC Net infrastructure

Risk factors: Mature, price-competitive Danish B2B telecom market, Declining legacy fixed voice/WAN revenues, Post-LBO leverage at DKT/Nuuday group level, Regulatory exposure (Danish and EU), Separation complexity between Nuuday and TDC Net

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