One accountable partner. From seabed to switchyard.
BSM Offshore brings marine EPC execution, EC&I engineering and EPC construction into one delivery team — removing the interface between what is designed offshore and what must perform onshore.

The interface is where projects lose time. We removed it.
Two specialist legacies now work as one accountable team: marine construction and EPC execution from Seli Marine, energy EC&I engineering and EPC construction from BSM Energy Solutions.
BSM Energy Solutions
Electrical, Control & Instrumentation engineering · EPC construction
A specialist EC&I engineering house and EPC contractor delivering FEED, detailed design, owner's engineering and turnkey construction for power, process and oil & gas facilities across 25+ countries.
- EC&I detailed design & FEED
- Functional safety (SIL / IEC 61511)
- Owner's engineer & commissioning
- EPC construction & installation
Seli Marine
Marine & Energy EPC contractor
An EPC contractor delivering port construction, subsea pipelines, offshore operations and LNG-to-Power projects across Africa and the Middle East.
- Subsea & onshore pipelines
- Port, dredging & offshore works
- LNG-to-Power & FSRU integration
= BSM Offshore
From the subsea pipeline to the FSRU, from the switchgear to the SCADA screen — a single integrated partner that engineers it, builds it, and commissions it.
Meet the foundersDelivery experience
One execution chain. No blind spots.
From first study to first power, every handoff stays inside one coordinated delivery model.
Marine Construction
Port, quay, nearshore and vessel-assisted construction works with a proven track record in demanding maritime environments.
Seli MarinePipeline & Piping Works
Nearshore subsea pipeline construction, onshore and offshore installation, terminal piping and LNG infrastructure systems.
Seli MarinePort & Offshore Operations
Dredging, wreck removal, heavy lifting operations and offshore construction support services.
Seli MarineLNG-to-Power & FSRU
Complete LNG-to-Power solutions, terminal piping, storage systems, FSRU integration and power plant infrastructure.
BSM + SMEC&I Design & Engineering
Single line diagrams, control system architecture, instrumentation, hazardous area classification — every deliverable a project needs to be built.
BSM EnergyOwner's Engineer & Commissioning
Design review, EPC scrutiny, factory and site acceptance testing, energization and start-up — protecting your interests through handover.
BSM EnergyBuilt for infrastructure where failure is not an option.

Oil & Gas
Onshore & offshore facilities, terminals, pipelines

LNG & FSRU
Import terminals, regasification, custody metering

Power Plants
CCGT, cogeneration, floating & thermal generation

Marine & Ports
Port construction, dredging, subsea pipelines

Process Plants
Petrochemical, refinery & industrial facilities

Renewables & Hybrid
Solar PV, BESS & grid-connection support
Proof, measured in megawatts and metres.
Selected assignments across floating power, LNG, marine works and complex EC&I delivery.
Client identities and site photography are withheld under confidentiality. Images are representative; verified references are available on request.

Senegal LNG-to-Power Project
End-to-end execution of LNG-to-Power infrastructure including FSRU integration, subsea gas pipeline installation and onshore power plant conversion.

Dakar 24" Onshore Gas Pipeline
Onshore installation of a 24-inch gas pipeline within an active port, connected to offshore pipelines and FSRU, with underground and overground sections.

Dakar Fishing Harbour Rehabilitation
Harbour rehabilitation including in-port dredging and underwater cutting and removal of old fishing vessels, restoring navigable depth.

Combined-Cycle Power Plant — BoP EC&I
Full balance-of-plant EC&I package including HV switchyard, plant DCS, generator protection and grid-code compliance studies.

Refinery I&C Modernization
Migration of legacy DCS/SIS to a current-generation platform across multiple process units, with alarm rationalization and IEC 61511 SIL verification.

Transmission Line Foundations
Construction of concrete foundations for high-voltage transmission towers in challenging mangrove and coastal environments.

Aleppo Thermal Power Plant — Units 2–4 Rehabilitation
Post-conflict recovery scope covering an on-site electrical damage survey, tagging and inventory of MV/LV distribution systems, full electrical reinstatement detail design, plus decommissioning, debris clearing and site-preparation works to open safe work fronts for rehabilitation.

Floating Gas Power Plant — Marine Engineering, Azito
Owner’s-side marine engineering for a permanently moored floating gas power plant in the Ébrié Lagoon: preliminary mooring analysis for a dedicated five-dolphin berth with a 16-line winch-tensioned system, and a land-and-lagoon geotechnical investigation campaign at the Azito site.

Power Barge IPP — Greater Malé
Site selection and met-ocean screening across the Gulhifalhu–Thilafushi lagoon for a power barge IPP, including a preliminary site-visit assessment and 132 kV transmission routing options into the Greater Malé grid.

55 MW Floating Power Plant — Banjul
Full technical and commercial design dossier for a RINA-classed heavy-fuel-oil powerbarge: floating platform, mooring arrangement, fuel and auxiliary systems, grid interconnection and PPA support engineering for a national offtaker.

37 MW HFO Plant Redeployment
Complete redeployment engineering for a proven 37 MW HFO generating plant: dismantling at origin, marine transport, full overhaul, re-installation, commissioning, fuel supply and a long-term O&M framework for a national utility.

National Grid Capacity Recovery & O&M Programme
Phased capacity-recovery programme for a national utility: unit-by-unit condition assessment and verification, restoration of idle and degraded units, and a structured long-term operation & maintenance support framework.

486 MW CCGT Relocation Assessment
Technical due-diligence and relocation feasibility for a 486 MW combined-cycle/cogeneration plant: on-site condition assessment, valuation dossier and relocation engineering including covered-area and civil-works requirements at the receiving site.

Gas & Power Marine Terminal — Process Engineering
Detail-engineering process datasheet package for a gas & power marine terminal EPC — actuated and solenoid valves and terminal process equipment — delivered under an international marine-engineering consultancy’s EPC programme.

Power Supply Solutions — Guinea-Bissau
Early-stage development of power supply solutions for the national electricity and water utility: generation options, plant rehabilitation pathways and long-term O&M frameworks tailored to the national grid.
Deep specialists. One delivery standard.
Engineering & EC&I
- HV/MV/LV single line diagrams
- Power system & load flow studies
- DCS, PLC & SCADA architecture
- Instrumentation & datasheets
- Hazardous area classification
- Functional safety (SIL / LOPA)
- FEED & concept studies
- Commissioning & start-up
Marine & EPC Execution
- Subsea & nearshore pipelines
- Port & quay construction
- Dredging & wreck removal
- Heavy lifting & offshore support
- FSRU integration
- LNG-to-Power conversions
- Terminal & storage piping
- Marine logistics & mobilization
Engineered across borders. Accountable everywhere.
🇹🇷 Istanbul
🇬🇧 London
🇸🇳 Dakar
🇱🇷 Monrovia
🇱🇧 Beirut
🇨🇮 Abidjan
Bring us the difficult interface.
Share the scope, the constraints and the ambition. Our founders reply within one working day.