Sigma Energy & Marine

What Sigma Energy & Marine does

Sigma Energy & Marine is a Sweden-based engineering consulting firm founded in 2011, headquartered in Göteborg — one of Scandinavia's principal maritime and shipping industry clusters. The company delivers renewable energy engineering and mechanical design services specifically targeted at the marine sector, positioning it at the intersection of two capital-intensive industries: the offshore renewable energy transition (offshore wind, potentially tidal/wave) and the marine/shipbuilding industry. Its service portfolio likely includes feasibility studies, detailed mechanical engineering design, and technical consulting related to marine renewable energy installations, though no specific project references, client logos, or service breakdowns are disclosed in available source data.

The firm operates as a private, for-profit consultancy with 51-100 employees, placing it in the small-to-mid-sized niche consulting bracket. Its business model is consistent with traditional professional services engineering: project-based or retainer-based consulting engagements billed on time-and-materials or fixed-fee terms, with revenue tied to engineer utilization rates and billing rates. There is no disclosed pricing information, no evidence of proprietary software products, no productized SaaS offering, and no technology platform architecture in the source data — the company appears to be a pure services business. No funding rounds, investors, parent company, M&A activity, partnerships, or strategic alliances are documented.

The most notable characteristic of Sigma Energy & Marine in the available data is what is absent: the company website (sigmaenergyandmarine.se) returned only a "One moment, please... Loader" verification page at the time of data collection, and all third-party enrichment sources returned empty results. No management team, no certifications, no awards, no patents, no geographic footprint details, no customer references, and no operating status confirmation are available. This data gap is itself a relevant signal for diligence — it suggests limited public-market visibility, minimal marketing footprint, and likely a relationship-driven, referral-based go-to-market approach typical of niche B2B engineering consultancies.

Name

Sigma Energy & Marine

Website

https://sigmaenergyandmarine.se

Company type

Private

Founded year

2011

Headcount range

51–100 employees

Short description

Sigma Energy & Marine is a Sweden-based engineering consulting firm, founded in 2011 in Göteborg, that provides renewable energy and mechanical design services to the marine sector, serving shipbuilders, offshore energy developers, and related marine industry clients.

Ownership category

akta.pro rank

Product category

Marine Engineering Services

NAICS

Management Consulting Services (54161), Engineering Services (541330), Architectural, Engineering, and Related Services (5413)

SIC

Services-Management Consulting Services (8742)

akta.pro primary industry

Electrical Engineering & Power Distribution (Generation, Switchboards, Cabling, Lighting) (IMAJAGAF)

akta.pro secondary industries

Marine Electrical Installation, Commissioning & Field Services (IMAJAJAL), Offshore Wind & Marine Spatial Planning Regulation (EUAMANAM), Marine Hybrid & Electric Propulsion Systems (IMAJAHAC)

Keywords

• Marine engineering consulting
• Renewable energy services
• Mechanical design services
• Marine sector engineering
• Energy consulting

Headquarters

HQ city

Göteborg

HQ country

Sweden

HQ region

Europe

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D

Core offering

Sigma Energy & Marine is an engineering consulting firm that provides renewable energy and mechanical design services to clients in the marine sector. The firm operates from Göteborg, Sweden, and was founded in 2011.

Differentiator

Problem solved

Functional benefit

Products and services

• Renewable Energy Consulting for Marine Sector Engineering consulting services focused on renewable energy applications for clients in the marine sector, delivered from the firm's base in Göteborg, Sweden.
• Mechanical Design Services for Marine Sector Mechanical design engineering services for clients operating in the marine sector, providing technical design expertise to support marine industry projects.

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Direct peers

• AFRY (ÅF): Swedish-headquartered engineering, design, and advisory firm with strong marine, offshore wind, and energy transition practices. Closely comparable to Sigma Energy & Marine in geography, services (mechanical/electrical design consulting), and end-market exposure.
• COWI: Danish engineering consultancy with marine, offshore wind, and energy infrastructure advisory practices. Competes for similar Nordic marine and offshore renewable engineering design engagements as Sigma Energy & Marine.
• 4Subsea: Norwegian engineering and consulting firm specialized in offshore wind, marine operations, and asset integrity. Comparable Nordic-based marine and offshore renewable energy engineering advisory model to Sigma Energy & Marine, with a similar scale profile.

Broad incumbents

• Ramboll: International engineering, architecture, and consulting firm with offshore wind and maritime advisory offerings. Comparable to Sigma Energy & Marine in serving offshore energy developers with engineering design, though much larger and more diversified.
• Kongsberg Maritime: Norwegian marine technology provider offering engineering services, hybrid/electric propulsion, and offshore vessel systems. Comparable marine electrical and propulsion engineering expertise, though operating as a large technology vendor.
• DNV: Global classification society and marine advisory that provides technical assurance, certification, and consulting for shipbuilders, offshore developers, and energy companies. Directly overlaps with Sigma Energy & Marine's marine engineering and offshore energy consulting scope, but at vastly larger scale.
• Wärtsilä Marine Power Engineering Services: Marine technology OEM offering engineering services, hybrid propulsion systems, and lifecycle support. Comparable end-market and propulsion/electrical expertise to Sigma Energy & Marine's marine mechanical and renewable energy design work, though Wärtsilä is also an equipment manufacturer.
• Lloyd's Register: Marine classification society offering ship and offshore engineering consulting, including decarbonization and energy transition advisory. Comparable to Sigma Energy & Marine's marine consulting offering but operates globally with a broader portfolio.
• Bureau Veritas Marine & Offshore: Classification society and testing/certification provider with extensive marine and offshore engineering advisory services. Competes for the same renewable and marine design advisory mandates as Sigma Energy & Marine, but as a much larger incumbent.
• ABB Marine & Ports: Global supplier of marine electrical, propulsion, and automation systems, including offshore vessel and wind service vessel solutions. Overlaps with Sigma Energy & Marine's marine electrical and renewable energy engineering consulting scope, but from a vendor/OEM position.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat2 records

Key risks4 records

Key highlights5 records

Customer concentration

• Facebookfacebook.com/sigmaenergyandmarine
• LinkedInlinkedin.com/company/sigma-energy-marine

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sigma Energy & Marine