TDC Erhverv A/S

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

Disruption prediction

TDC Erhverv A/S has an estimated 27% probability of disruption in the next 6 months.

6 of TDC Erhverv A/S's 6 vendors monitored for disruptions.

Technology vendors

Services catalogue

8 services in catalogue across 4 categories; runs on 6 sub-vendors.

Insights

Last updated 2026-09-12 · revision 16

6 direct vendors, 144 subvendors

Direct vendors by controlling owner country (sample)

Subvendors by controlling owner country (sample)

Migration Readiness: 3/10

Assessed by AI based on technology stack characteristics (cloud-native vs legacy, containerization, microservices), regulatory environment, data residency requirements, financial stability, and vendor lock-in risks. The score ranges from 0-10, where higher scores indicate better readiness for technology migration.

TDC Erhverv A/S demonstrates low migration readiness, scoring 30. A primary challenge is the lack of information regarding its internal tech stack, making it difficult to assess the current level of cloud-nativeness, containerization, or microservices adoption. This suggests a potential reliance on legacy systems, which would significantly increase migration complexity and cost. The regulatory environment presents substantial hurdles; GDPR and NIS2 are 'Assessment Required' with 'High risk_level,' and 'No audit evidence found,' implying that compliance requirements, especially concerning data protection and cybersecurity, will be complex to navigate during any migration. Furthermore, data residency requirements, particularly within the EU/EEA and potential specific Danish laws, necessitate careful planning for cross-border data transfers. Financially, a slight revenue decline and high revenue concentration in Denmark might limit the capital available for a large-scale migration effort. Vendor lock-in is a significant concern; despite 'Total Vendors: 0' being listed, the existence of 'Total Services: 6' and 'Vendor HQ Countries' from Germany, United States, and Malta implies a limited number of vendors (likely 3-6). This 'few vendors' scenario suggests a high risk of vendor lock-in, which can complicate and delay migration initiatives. While there is some geographic diversity among implied vendors, the overall vendor landscape points to potential inflexibility.

Compliance

10 in-scope frameworks identified; showing 3.

Danish Competition Act — Assessment Required

The Danish Competition Act (Konkurrenceloven) applies to all companies operating in Denmark. TDC Erhverv, as part of the largest telecommunications group in the country, holds a significant market position, making this regulation highly relevant.

As a historic incumbent and major market player, TDC is under constant scrutiny from competition authorities. Abuse of a dominant position or anti-competitive agreements could lead to massive fines and restrictive operational mandates.

Evidence: https://startupintros.com/orgs/tdc-erhverv, https://companies.whoiswho.eena.org/companies/netdesign, https://en.wikipedia.org/wiki/TDC_Holding_A/S, https://da.wikipedia.org/wiki/TDC, https://legalblogs.wolterskluwer.com/competition-blog/main-developments-in-competition-law-and-policy-2022-denmark/, https://www.telecompaper.com/news/danish-consultation-proposes-fibre-leasing-obligations-on-tdc--1576231

SOC 2 (source) — Assessment Required

SOC 2 is a voluntary framework developed in the US, relevant for service organizations that store or process customer data. It is often requested by customers, particularly those with US operations, to verify controls on security, availability, and confidentiality.

While common for cloud service providers, SOC 2 is less of a strict requirement in the European telecom sector compared to ISO 27001 and ISAE reports. The absence of a report is a minor commercial gap, not a major compliance failure.

Evidence: https://tdc.dk/da/produkter/cybersikkerhed/security-operations-center

GDPR (source) — Partially Compliant

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.

As a major telecommunications provider, TDC Erhverv processes vast amounts of customer and employee personal data. Non-compliance could lead to significant fines (up to 4% of global turnover) and severe reputational damage.

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

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

Revenue by geography

Revenue by product/service

Workforce by country

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