What SEA-LNG does

SEA-LNG is a UK-registered not-for-profit industry coalition founded in 2016, headquartered at Prama House in Summertown, Oxford, and operating globally from London. Its stated mission is to demonstrate the benefits of the methane decarbonisation pathway — fossil LNG as a transition fuel, scaling into liquefied biomethane (bio-LNG) and eventually e-methane — as a marine fuel for the commercial shipping industry. The coalition convenes stakeholders across the full LNG value chain (fuel suppliers, engine manufacturers, shipbuilders, port and terminal operators, shipowners, and classification societies) to break the so-called chicken-and-egg deadlock between fuel suppliers and vessel operators through structured dialogue, long-term offtake coordination, and joint advocacy.

The coalition does not sell commercial technology products. Its offerings are informational and analytical: an interactive Bunker Navigator tool that maps LNG bunker availability across 222 ports, an S&P Bunker Prices service for current LNG bunker pricing, annual flagship reports (notably 'View from the Bridge'), topic-specific fact sheets, case studies, and a video library. Its research output is built on commissions to independent third parties including thinkstep/Sphera (well-to-wake lifecycle analysis), Rystad Energy (2025 LNG Well-to-Tank assessment), CE Delft (bio- and synthetic methane availability), NTU Singapore's MESD CoE, and Z-Joule (POOL.FM compliance cost calculator).

SEA-LNG's business model is membership-funded, with recurring subscription dues from member companies across the LNG value chain. Revenue is not publicly disclosed. GTM is community-led: the coalition operates as an industry convener, engaging shipowners, ports, energy companies, and classification societies through membership, regulatory advocacy at IMO and EU bodies, and content marketing. Leadership comprises Chairman Peter Keller, COO Steve Esau, Communications Director Ian Aitchison, and General Manager Adi Aggarwal.

Name

SEA-LNG

Legal name

SEA-LNG Limited

Website

https://sea-lng.org

Company type

Private

Founded year

2016

Operating status

Operating

Headcount range

1–10 employees

Short description

SEA-LNG is a UK-registered not-for-profit industry coalition founded in 2016 that convenes shipowners, fuel suppliers, engine manufacturers, ports, and classification societies to promote LNG, bio-LNG, and e-methane as a marine fuel decarbonisation pathway for global shipping, funded through membership dues.

Ownership category

akta.pro rank

Product category

Maritime Fuel Industry Advocacy

NAICS

Other Support Activities for Water Transportation (48839), Water Transportation (483)

SIC

Water Transportation (4400), Arrangement Of Transportation Of Freight & Cargo (4731)

akta.pro primary industry

LNG Bunkering (Ship-to-Ship, Truck-to-Ship, Terminal) (TLAHAKAB)

akta.pro secondary industries

LNG Marine Shipping & Bunkering (EUAAACAH), LNG & LPG Marine Shipping (Carriers) (EUALADAF), LNG Shipping & Freight Optimization (Chartering, Boil-off, Routing) (EUAGAHAC)

Keywords

• Marine fuel advocacy
• LNG bunkering
• Shipping decarbonisation
• Methane pathway
• LNG coalition

Headquarters

HQ city

London

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Others

Revenue model

1. Membership fees: SEA-LNG is funded through membership fees from companies across the LNG marine fuel value chain, including shipowners, fuel suppliers, engine manufacturers, ports, and classification societies. The coalition does not sell products or services but provides advocacy, research, and industry coordination as member benefits.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

SEA-LNG is a multi-sector industry coalition that promotes and facilitates the adoption of liquefied natural gas (LNG) and related low-carbon fuels (bio-LNG and e-methane) as marine fuels. The coalition convenes stakeholders across the LNG value chain — including shipowners, fuel suppliers, engine manufacturers, ports, and classification societies — to break the chicken-and-egg market development dilemma through advocacy, independent research, regulatory engagement, and industry coordination. Members gain access to research, fact sheets, case studies, a Bunker Navigator tool, and a pricing data service.

Product overview

SEA-LNG is a multi-sector industry coalition that does not offer a commercial software product, but rather provides informational resources and industry advocacy for LNG (liquefied natural gas) as an alternative marine fuel. The organization's offerings include the Bunker Navigator (an interactive tool for locating LNG bunker availability), S&P Bunker Prices (LNG pricing data service), Reports and Research Studies (independent analyses on LNG viability), Fact Sheets (topic-specific documentation), Case Studies (implementation examples), LNG Video Library (educational video content), and a Collaborations Network (partnerships with industry organizations). Together, these resources support ship owners and operators in understanding and adopting LNG as a pathway to decarbonization.

Differentiator

Problem solved

Functional benefit

Products and services

• Bunker Navigator An interactive tool enabling users to locate LNG bunker fuel availability at ports globally, helping ship owners and operators identify where they can refuel with LNG.
• S&P Bunker Prices A pricing information service providing current LNG bunker fuel prices to support commercial decision-making for ship owners considering LNG as a marine fuel.
• Reports and Research Studies Fact-based analytical reports produced after independent expert research highlighting the commercial, environmental and operational benefits of LNG as a marine fuel. Includes investment case studies for various vessel types (containerships, VLCC, PCTC, Capesize ore carriers), lifecycle GHG emissions studies, and market reviews.
• Fact Sheets Concise informational documents covering specific topics related to LNG as a marine fuel, including EU-specific fact sheets, bio-LNG fact sheets, e-methane fact sheets, and liquefied biomethane documentation.
• Case Studies Real-world examples demonstrating successful implementation of LNG as a marine fuel across various shipping sectors and operational contexts.
• LNG Video Library A collection of short videos providing explanations of LNG as a substance, how it is produced, examples of its use as a marine fuel, and member testimonials. Topics include bio-LNG, LNG bunkering vessels and infrastructure, LNG overview and bunkering process, and today's LNG-fuelled ships.
• Collaborations Network Working relationships with industry associations, academic institutions, policy makers and the wider maritime community to advance LNG as a marine fuel. Includes partnerships with organizations such as BIMCO, European Biogas Association, Gas Infrastructure Europe, and various port organizations.
• Industry Coalition Membership Multi-sector industry coalition membership for stakeholders across the LNG marine fuel value chain, including fuel suppliers, engine manufacturers, terminal operators, shipowners, ports, and classification societies. Members receive advocacy representation, research access, networking, and regulatory engagement benefits.

Quantifiable outcome

• LNG reduces GHG emissions by up to 23% on well-to-wake basis compared to oil-based marine fuels
• +6 more outcomes

Named customers4 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

20 partnerships are on record, tiered core and secondary.

• European Biogas Association (EBA)coreStrategic or Co-development PartnerJoint publication of papers on BioLNG's role in decarbonising transport sectors. Collaborated on joint paper 'BioLNG makes carbon neutrality a reality for EU transport' with Gas Infrastructure Europe and NGVA Europe in November 2020.
• Gas Infrastructure Europe (GIE)coreStrategic or Co-development PartnerCo-published joint paper with EBA and NGVA Europe on BioLNG benefits for EU transport decarbonisation. Partnership ensures views of GIE members are known within EU institutions.
• NGVA EuropecoreStrategic or Co-development PartnerJoint paper publication on BioLNG for EU transport decarbonisation alongside EBA and GIE.
• LNG ProtocolcoreStrategic or Co-development PartnerInformal communication platform of nine organizations driving LNG industry forward, including SEA-LNG, SGMF, Marcogaz, Eurogas, GIE, GIIGNL, IGU, NGVA Europe, and SIGTTO. Promotes knowledge diffusion and best practices.
• BIMCOcoreStrategic or Co-development PartnerCollaborative development of standard terms and conditions for contracts involving LNG as a marine fuel.
• DNVcoreStrategic or Co-development PartnerKey member providing market data on LNG-fuelled vessels, alternative fuels insight platform, and regulatory analysis. Supplies vessel orderbook data and emissions research.
• International Maritime Organization (IMO)coreStrategic or Co-development PartnerSEA-LNG works closely with organisations having consultative status at IMO, especially SGMF, to represent member interests in IMO discussions on GHG regulations and alternative fuels.
• Society for Gas as a Marine Fuel (SGMF)coreStrategic or Co-development PartnerJoint commissioning of lifecycle GHG emissions studies including the definitive Well-to-Wake study conducted by thinkstep/Sphera. Provides safety and operational data for LNG as marine fuel.
• ThetiussecondaryStrategic or Co-development PartnerCommissioned the Maritime Alternative Fuels Barometer perception study measuring gaps between shipping industry's perception of alternative fuels and reality.
• Z-JoulesecondaryStrategic or Co-development PartnerUsing Z-Joule's POOL.FM cost of compliance calculator for analysis of LNG, methanol, and ammonia fuel pathways. Provided compliance cost analysis for IMO Net-Zero Framework.
• Rystad EnergysecondaryStrategic or Co-development PartnerCommissioned definitive LNG Well-to-Tank emissions assessment 2025, providing certified data on LNG bunker supply chain emissions to guide IMO Net-Zero Framework.
• CE DelftsecondaryStrategic or Co-development PartnerCommissioned study on availability and costs of liquefied bio- and synthetic methane for maritime shipping perspective.
• Maritime Energy and Sustainable Development Centre of Excellence (MESD CoE) at NTU SingaporesecondaryStrategic or Co-development PartnerConducted study confirming bio-LNG's role in shipping's decarbonisation, exploring fuel availability, cost, lifecycle emissions, and logistics.
• International Gas Union (IGU)secondaryStrategic or Co-development PartnerPart of LNG Protocol and broader collaboration. IGU represents 160+ members covering over 95% of global gas market.
• GIIGNLsecondaryStrategic or Co-development PartnerPart of LNG Protocol. GIIGNL promotes LNG activities including purchasing, importing, processing, transportation, handling, and regasification with 88 members representing nearly all global import/regasification companies.
• International Association of Ports and Harbors (IAPH)secondaryStrategic or Co-development PartnerCollaboration with IAPH representing 200+ regular member ports in 90 countries handling 60%+ of world sea-borne trade.
• Cruise Lines International Association (CLIA)secondaryStrategic or Co-development PartnerCollaboration with CLIA, the world's largest cruise industry trade association, on alternative fuels and decarbonisation.
• International Chamber of Shipping (ICS)secondaryStrategic or Co-development PartnerRegular dialogue maintained with ICS, principal global trade association for shipowners. SEA-LNG was lead sponsor at ICS most recent annual conference.
• European Community Shipowners' Association (ECSA)secondaryStrategic or Co-development PartnerCollaboration with ECSA representing national shipowners associations of EU and Norway, controlling 40% of global commercial fleet.
• Gas for ClimatesecondaryStrategic or Co-development PartnerInitiative analysing and creating awareness about role of renewable and low carbon gas in future energy system, committed to net zero GHG emissions in EU by 2050.

Scale indicators11 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Lloyd's Register: Lloyd's Register is a major classification society providing certification, regulatory advisory, and fuel-readiness services for alternative-fuel vessels. Operates as a broad incumbent across LNG, methanol, ammonia, and hydrogen pathways, competing with DNV for SEA-LNG-adjacent technical authority.
• DNV: DNV is a classification society and key SEA-LNG member that supplies the underlying vessel orderbook data (1,369 LNG dual-fuel vessels) and emissions research cited across SEA-LNG publications. Operates broadly across the maritime industry and is a much larger incumbent.
• Bureau Veritas Marine & Offshore: Bureau Veritas is a classification society providing alternative-fuel vessel certification and emissions advisory, overlapping with SEA-LNG's regulatory advocacy. A broad incumbent across multiple fuel pathways rather than LNG-specific.

Direct peers

• Global Maritime Forum: Global Maritime Forum is an international not-for-profit partnership working to accelerate sustainable decarbonization in shipping, including the Getting to Zero Coalition. Comparable coalition model and member overlap with SEA-LNG, but takes a broader cross-fuel approach.
• International Chamber of Shipping (ICS): ICS is the principal global trade association for shipowners and operators, with regular dialogue and conference partnership with SEA-LNG. Comparable as a shipping industry association influencing IMO policy, but ICS represents the demand side (shipowners) broadly across all fuel pathways.
• Methanol Institute: Methanol Institute is a global trade association promoting methanol as a marine and transportation fuel, directly competing with LNG pathway advocacy. Operates with a similar industry coalition model, engaging shipowners, fuel producers, and regulators to shape IMO fuel decisions.
• Clean Shipping Coalition: Clean Shipping Coalition is an NGO coalition of environmental groups influencing IMO policy on shipping emissions and air pollution. Represents a counter-advocacy position to SEA-LNG on technology-neutral regulations, often pushing for stricter timelines that disadvantage LNG.
• Society for Gas as a Marine Fuel (SGMF): SGMF is the closest direct peer to SEA-LNG: a multi-stakeholder industry body promoting LNG and other gases as marine fuels, providing safety guidance, publications, and representation at IMO. Both organizations share overlapping membership and jointly commission lifecycle emissions studies.
• Getting to Zero Coalition: An initiative under the Global Maritime Forum working to have scalable zero-emission shipping fuels and technologies in commercial use by 2030. A competing coalition vision that pushes for non-fossil zero-carbon pathways, putting it in direct ideological competition with SEA-LNG's LNG-bridge narrative.

Others

• Wärtsilä: Wärtsilä is a major marine engine manufacturer and SEA-LNG member that builds dual-fuel LNG engines and integrated fuel supply systems. Functions as an enabling technology provider whose commercial success is directly tied to LNG pathway adoption that SEA-LNG advocates.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/SEALNGcoalition
• LinkedInlinkedin.com/company/sealng

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

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M&A

Investments

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Frequently asked questions about SEA-LNG