Semco Maritime

Denmark · owned by DET OBELSKE FAMILIEFOND (Denmark) · semcomaritime.com · 27 vendors

Semco Maritime is an international engineering and contracting company headquartered in Esbjerg, Denmark, serving both the conventional energy (oil & gas) and offshore wind/renewable energy sectors. The company provides turnkey engineering, procurement and construction (EPC) solutions, installation and commissioning, service and maintenance, manpower, telecommunication and IT, and offshore substation projects. With approximately 2,300 employees and offices across Denmark, Norway, the UK, Germany, Poland, Singapore, and the US, Semco Maritime aims to bridge today's and tomorrow's energy solutions toward a fossil-free future.

Resilience scores

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Insights

Last updated 2026-09-13 · revision 3

27 direct vendors, 304 subvendors

Direct vendors by controlling owner country (sample)

Subvendors by controlling owner country (sample)

Migration Readiness: 5/10

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.

Semco Maritime's migration readiness is moderate. Their internal tech stack includes several cloud-friendly components such as HubSpot CMS, Google Tag Manager, Google Analytics, and Microsoft 365, which would facilitate a move to cloud-based infrastructure. The absence of explicit data residency requirements is also a positive factor, simplifying potential migration strategies. However, the presence of a 'Datainsight (proprietary operational data platform)' could present a challenge for migration, potentially requiring significant re-engineering or custom solutions. A major unknown is the status of NIS2 regulatory compliance, which could introduce complex requirements for data handling and system architecture during migration. Financial stability data (revenue concentration, growth history) is also missing, making it difficult to assess the company's capacity to fund a significant migration effort. While vendor geographic diversity is good for resilience, managing 37 services across vendors from 9 different countries could introduce complexity in terms of contract renegotiations and technical integration during a migration. The 'Vendor Lock-in Risk' is unknown, which is a critical factor that could significantly impede or complicate migration efforts.

Compliance

10 in-scope frameworks identified; showing 3.

Danish Working Environment Act — Compliant

Semco Maritime demonstrates strong occupational health and safety (OHS) compliance through its ISO 45001:2018 certification (multi-site: DK, DE, NO, UK, Singapore), a dedicated HSEQ Director, published HSEQ policy and objectives, and a stated zero-harm culture. The Danish Working Environment Act (Arbejdsmiljøloven) and EU OSH Framework Directive 89/391/EEC are applicable given the company's Danish HQ and EU operations. Risk is Low because: (1) ISO 45001 certification provides third-party verified OHS management; (2) the company operates in high-risk offshore environments and has clearly invested heavily in safety culture; (3) HSEQ is a named strategic priority with dedicated leadership. Residual risk exists in offshore/field operations where incident risk is inherently higher.

Evidence: https://www.semcomaritime.com/hseq, https://www.semcomaritime.com/hubfs/ISO-45001%202021-2024.pdf, https://www.semcomaritime.com/hubfs/POL-SEMCO-0020.pdf, https://www.semcomaritime.com/hubfs/A-SEMCO-0016.pdf

EU Offshore Safety Directive — Assessment Required

The EU Offshore Safety Directive (OSD) 2013/30/EU applies to offshore oil and gas operations in EU waters and imposes stringent safety requirements on operators and contractors. Semco Maritime provides engineering, construction, installation, maintenance, and asset management services to offshore oil and gas installations in the North Sea (Danish and Norwegian sectors). As a contractor to offshore operators, Semco Maritime is subject to OSD requirements regarding major hazard prevention, safety and environmental management systems, and emergency response. Risk is High because: (1) offshore energy is inherently high-risk; (2) contractor liability under OSD is significant; (3) the Danish Energy Agency (Energistyrelsen) and Norwegian Petroleum Safety Authority (PSA) actively enforce offshore safety regulations; (4) non-compliance can result in operational shutdowns, significant fines, and reputational damage. The company's ISO 45001 and HSEQ systems provide a foundation but OSD-specific compliance (Major Hazard Reports, Safety Cases) requires verification.

Evidence: https://www.semcomaritime.com/hseq, https://www.semcomaritime.com/oilgas, https://www.semcomaritime.com/service-maintenance, https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32013L0030, https://www.achilles.com/utilities-nce/

ISAE 3000 (source) — Assessment Required

ISAE 3000 is relevant for companies that provide assurance reports on non-financial information (e.g., sustainability/ESG reporting, CSR disclosures) or that are subject to third-party assurance requirements. Semco Maritime publishes an annual Sustainability Report (COP Report 2024) and an Annual Report, which may be subject to assurance requirements under the EU Corporate Sustainability Reporting Directive (CSRD). As a Danish company with ~2,300 employees, Semco Maritime likely meets CSRD thresholds (large undertaking: 250+ employees, €40M+ turnover, €20M+ balance sheet), making ISAE 3000 (or ISAE 3410 for GHG) assurance of sustainability disclosures increasingly relevant. Risk is Medium because CSRD mandatory assurance requirements are being phased in (limited assurance from 2025 for large companies, reasonable assurance from 2028), and non-compliance with CSRD assurance requirements carries regulatory risk.

Evidence: https://www.semcomaritime.com/about-semco-maritime, https://www.semcomaritime.com/hubfs/COP%20rappport%202024.pdf, https://www.semcomaritime.com/hubfs/Aarsrapport%20UK%202024.pdf, https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32022L2464

Financials

Three-year financials

Financial Resilience Score: 8/10

Semco Maritime demonstrates strong financial resilience with revenue tripling from DKK 1.88bn in 2020 to DKK 5.64bn in 2024, while EBIT scaled almost 10× over the same period. The company maintains a solid balance sheet with DKK 794m in cash, no significant interest-bearing debt, and an equity ratio of ~27%. Equity nearly quadrupled from DKK 161m to DKK 627m, largely from retained earnings, and return on equity remains strong at 34% in 2024. The company benefits from patient, long-term ownership by the Obel family (C.W. Obel A/S / Det Obelske Familiefond) since 1996, providing stability. A robust order book of DKK 5.9bn (88% Renewables) at year-end 2024 provides roughly one year of forward revenue coverage. The successful strategic pivot toward renewables (58% of revenue in 2024, up from 24% in 2021) aligns the business with long-term energy transition trends. However, risks include cyclicality and political exposure in offshore wind (particularly US policy uncertainty affecting the Coastal Virginia Offshore Wind project), lumpy contract margins, declining Conventional oil & gas activity, DKK 6.14bn in joint & several consortium guarantees, and an unquantified foreign tax contingency. 2025 guidance is cautious with flat revenue and EBITDA margin of 5-7%.

Key strengths: Revenue tripled from DKK 1.88bn to DKK 5.64bn over 4 years (CAGR ~31.6%), Strong cash position of DKK 794m with minimal interest-bearing debt, Long-term patient ownership by Obel family foundation since 1996, Order book of DKK 5.9bn provides ~1 year forward revenue coverage, Successful strategic pivot to Renewables (58% of revenue, targeting 65% by 2027), Equity nearly quadrupled to DKK 627.5m, driven by retained earnings, Return on equity of 34% in 2024, Blue-chip client base including TotalEnergies, Dominion Energy, Topsoe

Risk factors: US political/policy risk affecting Coastal Virginia Offshore Wind project, Cyclicality and lumpy margins in large EPCI substation contracts, Declining Conventional oil & gas exposure (-9% in 2024, further decline expected), Unquantified foreign tax authority claim contingency, DKK 6.14bn joint & several consortium guarantees (off-balance-sheet), Currency risk across USD, GBP, NOK, EUR, SGD, Supply chain/geopolitical risks from Russia/Ukraine and Middle East, Safety TRIF of 3.5 in 2024 missed target of <1.5, 2025 guidance flat with margin compression risk

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