What Salko does

Salko (UK) Limited is a Mechanical and Electrical services contractor headquartered on a 3.5-acre site in Spaldington, East Riding of Yorkshire, founded in 2000 by Dean Murphy. The company designs, procures, installs, tests and inspects M&E systems for power generation (CCGT and OCGT), deep-shaft mining, industrial, and commercial clients, with a specialist engineering offering that includes GT26 exhaust system turnkey services (EGH through to diffuser 2), EGD1 liner plate fabrication, OTC leak detection and repair, casing repairs (GT Main, CMAS, LP/IP/HP, erosion rings), BOP systems, EC&I design and installation, instrumentation and calibration, outage support, pipework fabrication, and ISO/ASME-coded welding covering MMA, MIG, MAG, TIG, Flux Cored, mirror welding and temper bead techniques for carbon, creep resisting, cryogenic, austenitic stainless and high-nickel alloys. It also delivers ATEX hazardous area electrical work, including LV distribution and complete shaft line instrumentation. Operations are run from a fabrication and workshop facility capable of supporting complex steel fabrication (Arnold layered insulation, Sheffield-based 8mm and 10mm stainless steel rolling, cutting and forming for GT26 components) and Victaulic grooved pipe joining (5x faster than welding). Additional revenue comes from EVHS/OLEV-approved EV charge installations, new-build and refurbishment commercial M&E, and a recently opened 100% electric electrical plant hire depot at Balkholme.

The company's revenue is generated primarily through enterprise project-based contracts, multi-year framework agreements (including a 5-year Uniper UK agreement and 6-year ESB Carrington contract), and Master Service Agreements (a renewed 3-year FieldCore/GE Vernova MSA covering GT26 fleet field services across Europe). Go-to-market is direct enterprise field sales targeting major UK and Irish power generators, mining operators, and industrial clients — Uniper, GE Vernova, Anglo American, ESB and RWE are named customers — secured through competitive tendering and repeat awards. Salko is privately held (no parent company, no external institutional investment identified) and founder/management-owned, currently led by Managing Director Steve Mason (formerly Business Development Director) with Dean Murphy serving as Chairman; key functional leadership includes Finance Director Georgina Murphy, EHS Manager Dave Curry, Welding & Quality Manager Kieran Stables, and Operations Manager (Energy) Sim Sharphouse, supported by HR, PMO, Resource, Customer Service and Special Projects Managers. Certifications span ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, ISO 3834 welding quality, BS EN 1090-2:2018 to EXC 3, and Achilles UVDB B2 Verify, with awards including GE Vernova Service Provider of the Year 2023 and Safety Award 2024, an RWE Safety Coin, and 80,266 accident-free work hours on Woodsmith.

Name

Salko

Legal name

Salko (UK) Limited

Website

https://salko.co.uk

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

101–250 employees

Short description

Salko UK is a Mechanical and Electrical services contractor headquartered in East Yorkshire that designs, installs, and maintains M&E systems for power generation, mining, industrial, and commercial clients across the UK and Ireland.

Ownership category

akta.pro rank

Headquarters

HQ city

Goole

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. M&E Project Services: Mechanical and electrical contracting services including design, procurement, installation, testing and inspection. Services range from individual specialist provision to fully managed turnkey projects for power generation, industrial, mining and commercial sectors. Revenue generated through project-based contracts with major energy and mining companies.
2. Framework and Long-Term Service Agreements: Recurring revenue through multi-year framework agreements such as the 5-year Uniper UK agreement and 3-year FieldCore MSA renewal, providing ongoing maintenance and project services.
3. Equipment Hire: Electrical plant hire services through the new Balkholme depot, offering 100% electric equipment including transformers, LED lighting systems, and welding tools for M&E contractors.
4. Individual Specialist Provision: Provision of individual specialists including electricians, pipe fitters, welders, mechanical fitters, C&I technicians, platers, operatives, riggers, and EHS advisors for client outage and maintenance support.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Salko UK designs, procures, installs, tests and inspects mechanical and electrical systems for energy, commercial, industrial and mining clients. The core offering spans specialist welding and pipework fabrication, GT26 exhaust and OTC repairs, balance-of-plant installation, EC&I works, outage support and turnkey project delivery from individual specialist provision through to fully managed schemes.

Product overview

Salko UK is a mechanical and electrical services provider offering an integrated portfolio of specialized services for the Energy, Commercial, Industrial, Mining, and EV Charge sectors. The core service offering consists of specialized engineering capabilities including Auxiliary Systems support, BOP (Balance of Plant) Systems, Casing Repairs, EC & I (Electrical Controls & Instrumentation), Equipment & Material Supply, Exhaust Repair (GT26), Instrumentation & Calibration, OTC (Once Through Cooler) Repair, Outage Support, Pipework & Fabrication, and Welding Services. These services are delivered as both standalone offerings and integrated turnkey solutions, often combined to provide complete mechanical and electrical project delivery. For mining operations, additional services include Ventilation Systems and Dewatering Systems installation. The company also provides EV Charge installation services and Commercial Building Services. Salko operates from its 3.5-acre facility in Spaldington, East Yorkshire, and serves clients across the UK power generation, energy, industrial, and mining sectors.

Differentiator

Problem solved

Functional benefit

Products and services

• Auxiliary Systems Comprehensive support for mechanical and rotating equipment including motor removal, pump overhaul, valve servicing (Blow Off, VIGV, Pruss & Voith, AMOT, DP, pneumatic, solenoid), coolers, fans, accumulators and ST stop/control valves for power generation operators.
• BOP Systems (Balance of Plant) Installation, testing and maintenance of Balance of Plant systems in CCGT market covering Purge Credits, Low Part Load, ST Forced Cooling, Fast Start, FDS replacement, casing systems, CHIP Pipes, crossover pipes, gland steam systems, cooling water, lube oil and closed cooling water systems.
• Casing Repairs Repair services for GT and ST casings including GT main casing, CMAS, carriers, LP/IP/HP casings, erosion rings, with assessment, repair recommendations and NDT/heat treatment services.
• EC & I (Electrical Controls & Instrumentation) Design, installation, testing and maintenance of electrical systems covering new installations, maintenance, fault diagnostics, PAT testing, ATEX/hazardous area work, system design, GT/ST valve upgrades and power and lighting distribution for LV systems.
• Equipment & Material Supply Supply of equipment and materials including lighting, HVAC, cable management, welding equipment, electrical power distribution components, PPE, tooling, piping, pipe fittings and fabricated/sheet steel for energy projects.
• Exhaust Repair (GT26) Turnkey GT26 exhaust system services from Exhaust Gas Housing (EGH) through diffuser 1 and 2, including EGD liner plate fabrication and replacement, hot gas path component procurement, fabrication, installation and refurbishment for OEM-grade exhaust repairs.
• Instrumentation & Calibration Full onsite calibration service and instrumentation installation covering GT, ST, generator, HRSG and Balance of Plant instrumentation, vibration systems, TC inspect/test/replacement, ATEX hazardous area inspections, flame detectors, valve and solenoid services.
• OTC Repair (Once Through Cooler) Tube leak repair services on GT26 HP and LP Once Through Coolers including leak search, pressure testing, tube plugging, cap end re-welding with heat treatment and NDT, plus OTC preservation modifications.
• Outage Support Manpower resource provision from senior management to craft labour including electricians, pipe fitters, welders, mechanical fitters, C&I technicians, platers, riggers and EHS advisors with 24/7 availability for planned and unplanned power station outages.
• Pipework & Fabrication Procurement, installation and testing of pipework covering new installations, offsite pre-fabrication, Swagelok pipe fitting, pressure testing, support systems, ITABAR installations, CHIP Pipes, gland steam systems, cooling water and anti-icing systems.
• Welding Services Professional fabrication, installation and repair welding with comprehensive Welding Procedure Specifications qualified to ASME and British/ISO standards, covering MMA, MIG, MAG, TIG and Flux Cored processes for pipework, pressure vessels, ducting, tanks and structural work.
• Electrical Services (Mining) Electrical services for mining operations covering primary/secondary containment, conveyance systems, motor control, ventilation, winder systems, dewatering, compressed air, fire alarm, AV/IT, instrumentation installation, testing, calibration and HVAC systems.
• Mechanical Services (Mining) Mechanical services for mining covering design, procurement, installation, testing, commissioning, utility services, piping systems, vessel and tanking, motor/pump installation, steel fabrication, ducting, winder installation and coded welders.
• EV Charge Services Home and commercial EV charging solutions with free survey and OLEV grant assistance for domestic installations, carried out by fully qualified electricians approved under the EVHS installer scheme.
• Commercial Building Services Design, installation, testing and inspection services for commercial buildings from new builds through to full refurbishments, combining electrical and mechanical services for property owners and developers.
• Mining Ventilation Systems Installation of ventilation systems for deep shaft sinking, including large-bore ducting and glycol pipework delivered on the Woodsmith Mine production and service shafts.
• Mining Dewatering Systems Mechanical solutions for dewatering, process water and compressed air systems for shaft sinking activities, using the Victaulic grooved pipe jointing system for fast installation and rework.
• Cast Segment Facility Services Mechanical and electrical support for a precast concrete segment facility used in tunnelling construction, including robotic machinery installation, carousel, conveyor, electrical cabling, containment, controls, instrumentation and commissioning.
• Electrical Plant Hire (Balkholme Depot) Hire of 100% electric equipment including small transformers, extension leads, LED lighting systems, specialist welding tools and on-site welding support from the new Balkholme depot, offered to M&E contractors.

Quantifiable outcome

• 80,266 work-hours accident free at Woodsmith Mining project
• +3 more outcomes

Named customers8 records

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Ten partnerships are on record, tiered core, major and supporting.

• Uniper UKcoreStrategic or Co-development Partner · 27 March 2026Four-year maintenance contract awarded in March 2026 for Uniper's Enfield Power Station in London, including operations at Grain and Taylors Lane Power Stations. Contract aims to improve plant reliability, safety, and efficiency with ten projects planned over the period. Further establishes Salko UK as a trusted partner for Uniper's flexible generation fleet.
• GE VernovacoreStrategic or Co-development Partner · 11 December 2023Salko UK awarded Service Provider of the Year 2023 for Field Services Europe. Provides specialist Mechanical and Electrical services supporting GE Vernova's GT26 fleet. Attended GE Vernova Power EU Supplier Partnership Summit 2024 in Switzerland.
• FieldCorecoreStrategic or Co-development Partner · 1 January 2022Master Service Agreement renewal bringing another 3-year term for Salko EC&I and BOP teams to continue supporting FieldCore and GE with their GT26 fleet. MSA covers ongoing field services across Europe.
• Anglo AmericancoreStrategic or Co-development Partner · 1 January 2020Ongoing M&E packages for Woodsmith Mine project since 2020, worth over £17.8 million delivered to date. Includes ventilation systems, dewatering systems, electrical infrastructure for Europe's deepest mine shaft. Also completed works at Bran Sands facility.
• ESB (Electricity Supply Board)majorStrategic or Co-development Partner · 1 January 2020Six-year maintenance contract awarded for condition reports of site-wide electrical systems at ESB Carrington Power Station near Manchester. Also provided QSEs for major overhauls of Gas Turbine, Steam Turbine and Generator.
• Redpath Deilmann UKmajorImplementation/ SI/ Consulting PartnerCollaborative partnership on Woodsmith Mine project, with Salko providing M&E services in support of the Redpath team for shaft sinking activities.
• Arnold (Insulation)supportingTechnology or IntegrationEstablished partnership for insulation materials supply and installation, specifically Arnold layered and reinforced insulation used in EGD1 refurbishment projects.
• Sheffield Steel FabricatorsupportingTechnology or IntegrationPartnership with Sheffield-based steel fabricator for complex fabrication of large sections of 8mm and 10mm stainless steel including rolling, cutting, and forming for GT26 exhaust components.
• VictaulicsupportingTechnology or IntegrationUtilization of Victaulic grooved pipe jointing system for faster installation (5x faster than welding initially, 10x faster for rework) particularly valuable for temporary mining installations. Salko developed skills and partnership with supplier.
• GE Vernova Customer (Europe)majorStrategic or Co-development PartnerCritical exhaust repairs completed for GE Vernova customer in Europe, with positive feedback on quality of repairs exceeding expectations and Safety maintained to highest standard.

Scale indicators10 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• Wood Group (Sidara): Large consulting and engineering services group with a major Energy Services division serving power, mining and industrial clients globally; overlaps with Salko across plant modification and outage support but operates at a much larger portfolio scale.
• Veolia Nuclear Solutions UK: UK industrial services provider executing mechanical, E&I and decontamination scopes across power and process facilities; competitive overlap on heavy industrial M&E work though Veolia is more nuclear-tilted.
• Petrofac UK: International energy services contractor with UK operations supporting power, oil & gas and industrial clients on modification, maintenance and E&I scopes; much larger scale but comparable specialist M&E delivery model.
• Jacobs UK: Global professional services firm with a significant UK power, mining and industrial engineering practice; competes for maintenance, modification and capital-project work at the same major UK utilities and mining operators Salko serves.
• Bechtel Energy: Global EPC and industrial services firm with UK power-generation and mining infrastructure work — operates at much larger scale but competes for major outage and new-build M&E packages on the same UK customer sites.
• Amentum UK: Engineering, construction and technical services firm supporting nuclear, power, mining and industrial clients in the UK and Europe — adjacent but broader competitor for integrated M&E work and framework agreements with utility operators.

Direct peers

• Stork Technical Services (Fluor): Fluor-owned industrial services specialist executing mechanical, E&I, corrosion, integrity and shutdown/maintenance scopes for utility, power and industrial clients in the UK and Europe — comparable customer mix (Uniper, RWE, EDF) and similar turnkey outage model.
• Bilfinger UK: UK arm of Bilfinger, a leading European industrial services provider delivering mechanical, piping, welding, E&I and plant maintenance to power generation, oil & gas and process industries — directly mirroring Salko's M&E service portfolio across outage, shutdown and capital project work.
• Altrad Engineering Services UK: Major UK and European industrial services contractor providing mechanical, welding, scaffolding, insulation and E&I for power, process and infrastructure projects — competing for the same shutdown, outage and capital-project M&E scopes Salko bids.
• Doosan Enerbility (Babcock Power): OEM-affiliated power services contractor with deep installed-base relationships across UK CCGT operators; overlaps directly with Salko's GT26/GT24 outage, modification and BOP work, and competes for the same Uniper, RWE and ESB frameworks.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/salkoukltd
• LinkedInlinkedin.com/company/salko-uk

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

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 Salko