Spangenberg & Madsen Rådgivende Ingeniører Due Diligence

Run due diligence on Spangenberg & Madsen Rådgivende Ingeniører: check compliance and get alerts when suppliers or ownership change.

Denmark · owned by M3 HOLDING AF 2007 ApS (Denmark) · sogm.dk · 7 vendors

Spangenberg & Madsen is one of Denmark's oldest consulting engineering firms, founded in 1905, providing specialized technical advisory services across building construction, infrastructure, industry, and utilities. Their services span electrical engineering, HVAC, fire safety, security, sustainability, and project management. They serve clients including property owners, architects, contractors, and public institutions across Denmark and internationally, including Greenland.

Resilience scores

Technology vendors

Insights

Last updated 2026-09-13 · revision 3

7 direct vendors, 83 subvendors

Direct vendors by controlling owner country (sample)

Subvendors by controlling owner country (sample)

Compliance

4 in-scope frameworks identified; showing 3.

GDPR (source) — Evidence found

Evidence: https://www.sogm.dk/gdpr

ISO 27001 (source) — No public evidence

SOC 2 (source) — No public evidence

Financials

Three-year financials

Financial Resilience Score: 6/10

Spangenberg & Madsen is a 120-year-old Danish consulting engineering firm with a stable operating history, strong blue-chip client relationships (Copenhagen Airports since 1993, Banedanmark, Kalaallit Airports), and a diversified service mix across building, infrastructure, industry, and utilities segments. The firm has demonstrated long-term resilience through multiple ownership transitions and operates from four Danish offices with renewed activity in Greenland. Its alignment with sustainability/ESG demand and stricter Danish building regulations provides a structural tailwind. However, exact financial figures (revenue, EBIT, equity) were not retrievable in the source research and would need to be obtained from CVR/virk.dk filings to confirm financial strength. Key risks include single-owner concentration following Michael Søgaard Rasmussen's sole ownership from late 2022, recent operational restructuring (Kolding office closure causing 25% employee turnover in 2023), integration risk from the 2024 acquisition of distressed competitor Dansk Energi Management A/S, and small absolute scale (~50–80 FTE) which limits buffer against project delays or client losses. The firm's exposure to the Danish construction cycle, which has been pressured by higher interest rates in 2023–2024, is also a concern. Overall, the firm appears to be a financially conservative, owner-led specialist with moderate resilience but limited public transparency.

Key strengths: 120-year operating history (founded 1905), one of the oldest DK consulting engineers, Long-term blue-chip client relationships (CPH airport since 1993, Banedanmark), Diversified service mix across building, infrastructure, industry, utilities, Geographic diversification with four DK offices plus renewed Greenland activity, Strategic 2024 acquisition of DEM adding energy/ESG advisory capabilities, Great Place to Work certified (2023), supporting talent retention, Tailwind from sustainability/ESG demand and BR18 energy requirements

Risk factors: Single-owner concentration / key-person risk (Michael Søgaard Rasmussen sole owner since 2022), 25% employee turnover in 2023 following Kolding office closure, Integration risk from acquiring previously-insolvent DEM in 2024, Cyclicality tied to Danish construction market pressured by interest rates, Small absolute scale (~50–80 FTE) limiting buffer against project/client losses, Limited public financial transparency (Class B abbreviated accounts), Client concentration risk with key accounts like CPH and Banedanmark

Revenue by geography

Revenue by product/service

Workforce by country

Signed-in users can see whether their own company is exposed to this vendor's disruption, plus the full sub-vendor list and country breakdowns, every in-scope compliance framework plus gaps and next steps, and alerts when any of it changes.

View the full interactive report