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Oil And Gas Companies in the UK: 3,691 Active Firms (2026)
Oil and gas companies in the UK explore, produce, transport, refine and supply hydrocarbons across regulated energy markets.
Buying centres usually sit with energy procurement, operations, safety and environmental teams, and finance functions that need asset availability, fuel supply, logistics cover or specialist technical capacity. The customer base is mostly business-to-business: industrial energy users, wholesale counterparties, infrastructure owners and service contractors, with some public-sector exposure where storage, remediation or emergency supply is involved. Engagements tend to be procurement-led and contract-heavy, ranging from discrete inspection, maintenance and advisory work to capital-linked supply, transport and processing arrangements. The sales motion is therefore more like industrial qualification: insurance, permits, safety cases, balance-sheet comfort and delivery record all affect who gets shortlisted.
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The UK cohort contains 3,691 actively trading companies, spanning asset-owning producers, distribution businesses and technical services suppliers. Where headcount is reported, employment totals 3,524 people, which points to a sector with many compact legal entities as well as a smaller set of labour-intensive operators. Turnover thresholds are likely to separate quite different operating models: some firms sell advisory or field-service capacity, while others handle physical product, infrastructure access or higher-value wholesale relationships. For researchers, revenue banding and activity type are more useful than a broad hydrocarbon label alone.
Safety, environmental and reporting requirements shape market access before commercial differentiation matters. A revenue-weighted lens is useful: 365 companies sit above £5M in turnover, leaving a long tail of operators that may rely on subcontracting or specialist service work rather than owning major physical assets. Formation has not stopped either, with 500 companies incorporated since 2022; in this type of market, newer firms often appear around inspection, logistics, environmental reporting and other support functions rather than full-cycle upstream development.
Future shape appears likely to be uneven rather than uniformly expansionary. Asset-heavy operators tend to move cautiously because permitting, safety obligations and wholesale-price exposure make new capacity decisions slow and risk-priced. Specialist service firms have more room to reposition around monitoring, reporting, maintenance and efficiency work, especially where customers want to extend asset life without adding headcount. Consolidation pressure may persist among smaller operators, while buyers with regulated or industrial exposure are likely to favour suppliers that can evidence delivery discipline, insurance cover and financial resilience.
3,691
Active firms
2026
365
£5M-plus firms
Revenue threshold
500
Newer incorporations
Since 2022
Key facts
About 9% of the trading cohort reports turnover above £5M (365 of 3,691 firms) — the rest sits below that revenue band.
13% of the cohort was incorporated since 2022 (500 firms), so a sizeable share is in its first few filing cycles.
Oil and gas firms span exploration, production, transport, refining and supply rather than a single operating model.
Asset-heavy operations and commodity-price exposure make revenue-to-headcount ratios uneven across the sector.
Energy-security requirements, industrial demand and regulated commodity markets shape procurement and counterparty assessment.
Top UK Oil And Gas companies
ANASURIA OPERATING COMPANY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsOperates offshore oil and gas assets in the Anasuria Cluster in the North Sea, managing exploration, field development and production, including operation of the Anasuria FPSO and associated offshore…
Financial Health
HealthyHealthy · Hiring · 39% CAGR over 4y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProduces and supplies energy, including oil and gas exploration and production, fuel refining, and marketing of fuels, lubricants, and related energy products. Also develops biofuels and invests in…
Serves a broad mix of B2B and B2C energy customers, including businesses buying fuel, lubricants and related services, consumers, investors, jobseekers and suppliers across global energy markets.
Financial Health
StableStable · 0% CAGR over 2y
Location
HARTSHEAD RESOURCES LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsExplores and develops offshore natural gas resources. Holds and manages interests in gas licences, including partially developed fields and exploration prospects, and undertakes appraisal,…
Financial Health
StableStable · -47% CAGR over 5y
Location
Kartik Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsExplores and produces oil and natural gas; refines crude oil; manufactures petrochemicals; and markets fuels, lubricants, and related energy products. Also develops and invests in power generation,…
Financial Health
HealthyHealthy · 4% CAGR over 2y
Location
MONTEE ENERGY TRADING UK LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsTrades physical oil and petroleum products including kerosene, LPG, naphtha, gasoil, gasoline, base oil and VGO. Arranges shipping and logistics, provides blending and terminal storage services, and…
Serves B2B buyers of physical oil products, including counterparties needing kerosene, LPG, gasoil, gasoline, naphtha, VGO and base oils across the UK mainland and coastline, Baltics and…
Financial Health
StableStable · -33% CAGR over 1y
Location
NORTH OFFSHORE LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsOperates offshore drilling rigs and marine assets, providing drilling services and rig charter to oil and gas operators. Manages fleet operations, crews, maintenance and safety systems for jack-up…
Serves B2B customers in the offshore energy sector, particularly oil and gas operators and drilling contractors seeking to charter jack-up rigs, living platforms and offshore crews for drilling and…
Financial Health
StableStable · Hiring · 6% CAGR over 3y
Location
LAKESIDE OILS HOLDINGS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsInvestment holding company whose group distributes petroleum-based fuels, lubricants and AdBlue to commercial sectors. Supplies diesel and heating fuels and provides fuel storage solutions and tanker…
Serves B2B customers in off-highway sectors, including demolition, piling, civil engineering, construction, agriculture, horticulture, haulage and commercial heating, with coverage emphasised in…
Financial Health
StrongStrong
Location
UNITY WELL INTEGRITY UK LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides well integrity management and intervention services for the upstream oil and gas industry, including maintenance, repair and life‑extension of wellheads, rental equipment, engineered…
Serves global upstream oil and gas operators, asset owners and decommissioning teams managing wells through production, late-life operations and abandonment.
Financial Health
HealthyHealthy · Growing · 4% CAGR over 2y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides oilfield engineering services including repair, maintenance, and rental of oilfield equipment for the oil and gas industry, serving OEMs, drilling contractors, rig owners, oil companies, and…
Serves B2B customers in the oil and gas industry, including original equipment manufacturers, drilling contractors, rig owners, oil companies and oilfield service companies.
Financial Health
StableStable
Location
INTERNATIONAL PETROLEUM PRODUCTS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsExplores, develops and produces oil and gas through a portfolio of upstream petroleum assets. Conducts exploration, field development and production operations, and manages reserves and related…
Financial Health
StableStable · -68% CAGR over 4y
Location
North Sea Natural Resources Ltd
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsExplores and appraises oil and gas prospects in the UK Continental Shelf and nearby basins. Uses seismic interpretation, basin modelling, and geological analysis to identify hydrocarbon opportunities…
Targets institutional and industry investors, farm-in partners and energy-sector operators interested in North Sea exploration and appraisal opportunities across the UK Continental Shelf.
Financial Health
StableStable · Hiring · 19% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsOperates as an integrated energy company engaged in oil and gas exploration and production, refining crude oil, and supplying fuels, lubricants and petrochemicals. Also develops biofuels and other…
Financial Health
HealthyHealthy · -1% CAGR over 4y
Location
John H Whitaker (Tankers) Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsOperates a fleet of seagoing tankers transporting fuel and petroleum products for major oil companies. Provides marine fuel transport and bunkering services in UK and European waters, managing tanker…
Serves major oil companies and marine bunkering customers requiring fuel logistics support in UK and European waters.
Financial Health
StableStable · Hiring · 91% CAGR over 2y
Location
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides geoscience consulting and analytical services for the energy sector, including quantitative biostratigraphy, reservoir geology, sedimentology, wellsite support and laboratory analysis, plus…
Serves geoscience and subsurface teams in the energy industry, including oil and gas exploration and production companies and energy transition/CCS project developers with subsurface modelling needs.
Financial Health
HealthyHealthy · 2% CAGR over 3y
Location
REGROUP (RECLAIM) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsCollects, recovers and processes hydrocarbon and industrial liquid wastes, including MARPOL maritime waste. Supplies blended industrial heating oils and alternative fuel oils, and provides fuel…
Serves B2B industrial and maritime customers across the UK, including energy-intensive manufacturers, agricultural operations, chemical processors, energy generators, port operators and sites needing…
Financial Health
HealthyHealthy
Location
County Oil Holdings Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsHolding company of a group that distributes commercial and domestic fuels, oils and lubricants. Supplies diesel, heating oil, kerosene, AdBlue and HVO renewable diesel, and provides fuel delivery,…
Serves businesses nationwide, including marine operators, transport fleets and industrial users, plus domestic heating-oil customers and homeowners with Aga/kerosene tanks in the North West.
Financial Health
StableStable
Location
SAFEKICK LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops software and hardware systems for oil and gas drilling operations, including the SafeVision platform for monitoring well conditions and wellbore pressures. Provides engineering support,…
Serves B2B oil and gas operators, drilling contractors and well-control teams involved in planning, drilling and monitoring oil and gas wells, including offshore and deepwater projects.
Financial Health
StableStable · -90% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides geophysical and geological consultancy services for government agencies and the oil and gas industry, including seismic survey design and acquisition, seismic data processing and depth…
Serves government petroleum agencies, national oil companies and international oil and gas operators, particularly upstream exploration teams and licence-round stakeholders.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
ENERGYSYS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops and operates a cloud-based software platform for energy companies to manage operational data. Enables production allocation, hydrocarbon accounting, emissions tracking, measurement data…
Serves energy companies worldwide, from super-majors to independents, including offshore, onshore, LNG, pipeline and refining operators. Targets production, measurement, emissions and data teams.
Financial Health
HealthyHealthy · Hiring · 29% CAGR over 2y
Location
CROWN OIL HOLDINGS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsSupplies and distributes fuels and lubricants to commercial, agricultural, marine and domestic customers. Products include diesel, red diesel, HVO renewable fuel, kerosene and heating oil, with…
Serves UK businesses and households, including agricultural, automotive, commercial, industrial, marine and food-sector customers, plus organisations requiring emergency or managed fuel supply.
Financial Health
HealthyHealthy · -66% CAGR over 4y
Location
KATONI ENGINEERING LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides engineering consultancy and EPC services for the energy sector, including safety and compliance, net‑zero transition support, and asset assurance and optimisation. Delivers engineering…
Sells to businesses in the energy sector, especially offshore oil and gas operators and asset owners needing EPC, safety, compliance, optimisation and net zero support for platforms, FPSOs and…
Financial Health
StrongStrong · Growing, Hiring · 23% CAGR over 5y
Location
SPEEDY FUELS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsSupplies and distributes fuels, heating oil and oil‑based products including diesel, HVO, kerosene, AdBlue and lubricants. Provides nationwide fuel delivery, fuel management, tank inspection and…
Serves UK commercial and domestic fuel buyers, including transport fleets, construction and industrial sites, farms, marine operators, manufacturers, and homeowners needing heating oil.
Financial Health
HealthyHealthy · -41% CAGR over 4y
Location
JOHNSTON FUELS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsSupplies and distributes heating oil, kerosene, LPG, commercial fuels and lubricants to domestic and business customers. Also provides fuel cards, gas delivery and vehicle maintenance services…
Serves domestic households, metered estates and business customers needing fuel supply, heating support, lubricants or fuel cards, mainly across Scotland and parts of England.
Financial Health
HealthyHealthy · -88% CAGR over 2y
Location
INTERVENTION GROUP LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides rental and sale of flowline, pressure control and hose equipment for the energy sector. Offers iron inventory management, storage and recertification, measurement calibration and inspection,…
Sells to businesses in the energy sector, especially oil and gas and emerging sustainable energy operators, needing rental equipment, inspection, calibration, iron management and offshore support…
Financial Health
WeakWeak · -68% CAGR over 4y
Location
CAT TECH INTERNATIONAL LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides catalyst handling services for refineries, chemical and petrochemical plants, including loading and unloading catalysts from process reactors and vessels. Designs and supplies specialist…
Serves B2B industrial operators in the refining, chemical, petrochemical and processing sectors, including plant engineering, project, turnaround and contracts teams requiring specialist…
Financial Health
WeakWeak · -71% CAGR over 4y
Location
Pressure Control Systems Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsSupplies pressure control equipment and spare parts for the oil and gas industry, including BOP components, gate, choke and check valves, accumulator bottles and high‑pressure equipment, and provides…
Serves oil and gas operators, drilling contractors and service companies needing pressure-control equipment and spares for onshore and offshore assets, including rigs and FPSOs, across Europe, the…
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 3y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides oilfield engineering services including repair, refurbishment and rental of drilling and oilfield equipment for oil and gas industry clients such as OEMs, drilling contractors, rig owners,…
Serves B2B customers in the oil and gas sector, including original equipment manufacturers, drilling contractors, rig owners, oil companies and oilfield service companies.
Financial Health
StableStable · 0% CAGR over 2y
Location
Eastbrook Logistics Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides oil and gas storage and logistics services, including storage facilities and transportation of petroleum products, supporting energy sector supply chains with handling, storage management,…
Sells to businesses in the energy sector needing oil and gas storage, transportation and supply chain support. Targets commercial clients with oil storage needs and broader logistics requirements.
Financial Health
HealthyHealthy · -3% CAGR over 2y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides oilfield consultancy and technical services including production chemistry, produced water treatment, water injection analysis, process troubleshooting, asset integrity management, and…
Serves major oil and gas operators, especially teams responsible for offshore production, water injection, asset integrity, maintenance, process troubleshooting and production chemistry across global…
Financial Health
StableStable · 4% CAGR over 2y
Location
THREE60 ENERGY LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides engineering, consultancy and project services for the energy sector, including subsurface analysis, well engineering, subsea inspection and maintenance, and EPCC support. Also manufactures…
Serves B2B energy-sector clients, including major oilfield operators, offshore and onshore asset owners, new entrants, and companies in oil and gas, renewables, CCS, marine, defence and nuclear…
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 2y
Location
P R MARRIOTT DRILLING LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides onshore deep drilling and workover services using a fleet of drilling rigs. Undertakes geothermal, water well, geotechnical, mining, oil and gas, gas storage, and geoscientific drilling…
Serves energy, water, mining and geoscience organisations, including geothermal, oil and gas, gas storage, geotechnical and public-sector research clients in the UK, Europe and selected international…
Financial Health
HealthyHealthy · -23% CAGR over 1y
Location
PESECO LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsSupplies oilfield drilling and production equipment including OCTG casing and tubing, conductor and line pipe, wellheads and Christmas trees. Provides surface and subsea equipment systems and…
Targets B2B customers in the oil and gas and emerging renewable energy sectors, including operators, drilling contractors and project teams involved in drilling and production operations worldwide,…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
BDF PLANT LIMITED
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides onshore drilling services for oil and gas wells, underground gas storage, coal and mineral exploration, geothermal and groundwater projects, and construction site investigation. Also applies…
Serves B2B clients in oil and gas, underground gas storage, mining and mineral exploration, geothermal and groundwater projects, site investigation, construction, and civil engineering, nationally…
Financial Health
WeakWeak
Location
Perceptum Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides consultancy and data management services for the upstream oil and gas industry, including geoscience analysis, field development studies, reservoir and production engineering, petroleum…
Serves B2B clients in the upstream oil and gas sector, including asset owners seeking investment, E&P energy companies assessing basins or assets, and technical professionals needing training.
Financial Health
StableStable · 0% CAGR over 4y
Location
Valor Energy Group Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsOperates a group of companies providing technology, services and investment activities for the oil and gas sector, supporting energy production, performance, operational assurance and project…
Serves external B2B clients in the international energy sector, particularly oil and gas companies, alongside businesses within its own group of energy companies.
Financial Health
StableStable · Hiring · 6% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsActs as a holding company for a group that provides offshore support vessels and services, including accommodation and crane support, well testing and workover, transportation and installation, and…
Serves B2B customers in the offshore energy sector, including oil and gas operators and offshore wind farm developers/operators needing marine support across global projects.
Financial Health
HealthyHealthy
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, builds and services energy infrastructure for the natural gas and power sectors, including gas treating and processing systems, compression and refrigeration equipment, electric power…
Serves B2B customers in the global energy sector, including natural gas producers, midstream operators and industrial energy infrastructure owners needing field, operations and maintenance support.
Financial Health
StableStable · Hiring · 15% CAGR over 2y
Location
Oil & Gas Systems Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and supplies engineered metering, sampling and process equipment systems for the oil, gas and power industries. Products include flow metering systems, provers, sampling units and…
Serves B2B customers in the global energy sector, including oil, gas and power operators, EPC companies, gas turbine producers, and organisations developing hydrogen and carbon capture projects for…
Financial Health
WeakWeak · -15% CAGR over 2y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides laboratory analysis and technical services for the oil and gas industry, including core sample testing, reservoir rock and fluid characterisation, production diagnostics, and inspection of…
Serves B2B oil and gas operators, energy companies, reservoir engineers, geologists and geophysicists, alongside CCS site developers and government or institutional energy-sector clients.
Financial Health
StableStable · -7% CAGR over 2y
Location
THREE60 ENERGY WELLS UK LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides well engineering, well management and consultancy services for oil and gas operators, including well design, planning, drilling and completion support. Also delivers subsea, subsurface and…
Serves B2B clients in energy and adjacent sectors, including major oilfield operators, offshore and onshore energy asset owners, renewables and CCS developers, and organisations in marine, defence…
Financial Health
HealthyHealthy · Hiring · 16% CAGR over 2y
Location
SDM FUEL SOLUTIONS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides fuel management and engineering services including fuel tank cleaning, fuel testing and sampling, fuel polishing, emergency fuel supply, and delivery of HVO and GTL fuels. Also conducts site…
Serves UK and European businesses and critical facilities that store or rely on fuel, from single-site operators to multi-site organisations needing fuel quality, tank and emergency supply support.
Financial Health
StrongStrong · Growing, Hiring · 51% CAGR over 4y
Location
Fuel Storage Solutions Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsSupplies, installs and maintains oil, diesel and petrol storage tanks and associated infrastructure including pipework, bunds and fuel pads. Provides spill response services and training, fuel…
Serves commercial and industrial organisations that store or handle oil, diesel, petrol, biofuels, waste oil or LPG, including sites needing regulated fuel storage compliance across the UK and…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
OILFIELD PRODUCTION CONSULTANTS (OPC) LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides technical consultancy and specialist staffing for upstream energy projects, including geoscience, subsurface and reservoir engineering, wells and facilities. Delivers studies, project…
Serves B2B clients in upstream energy, including oil and gas operators, E&P companies, CCS developers and underground gas storage project owners working on global energy and storage projects.
Financial Health
StableStable · 0% CAGR over 2y
Location
RSN Electrical Services Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides electrical and instrumentation engineering services for oil, gas and renewable energy facilities. Delivers engineering and construction, testing and commissioning, project delivery, and…
Serves B2B clients in critical-infrastructure sectors across the UK, including oil and gas, renewables, gas storage, refineries, chemical plants, waste-to-energy, biomass and hydrogen facilities.
Financial Health
StrongStrong · 164% CAGR over 2y
Location
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDevelops subsurface interpretation software, including Interactive Petrophysics and Interactive Correlations, for analysing well logs, geological data and stratigraphy. Also provides consultancy,…
Serves B2B geoscience and energy organisations, targeting subsurface exploration and monitoring teams including geologists, petrophysicists, petroleum engineers, data managers, asset managers, IT and…
Financial Health
StableStable · -16% CAGR over 3y
Location
TECHFLOW MARINE LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns, manufactures and supplies fluid transfer systems for marine and energy industries, including hose reel systems, bunkering hoses, loading stations, marine couplings and tandem mooring and…
Serves B2B customers in oil and gas exploration and production, marine transportation, ports and terminals, midstream/downstream energy, and renewable energy sectors worldwide.
Financial Health
WeakWeak · -62% CAGR over 4y
Location
VECTOR SUPPLIES (HOLDINGS) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsOperates as a holding company for a group that supplies oilfield equipment, spare parts and consumables to offshore oil and energy operations, managing sourcing, purchasing and distribution of…
Sells to B2B customers in the oil production, offshore energy and oilfield services sectors, serving procurement and operations teams that need equipment, spare parts and consumables for offshore…
Financial Health
StableStable · -68% CAGR over 4y
Location
LCC Group Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsOperates energy and fuel supply businesses producing and processing solid fuels including coal, petcoke and anthracite; distributing heating oil, petrol and diesel; supplying electricity and gas; and…
Serves UK and Irish households, forecourt operators, and commercial and industrial energy users, plus worldwide businesses involved in solid fuels, bulk materials and fuel trading.
Financial Health
StableStable · Profitable, Hiring · 11% CAGR over 1y
Location
ACTIVE FLOW CONTROLS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures gas control and measurement equipment for the gas industry, including pressure reduction stations, metering stations, filters, regulators, valves and skid-mounted modules.…
Serves B2B customers in the UK gas industry, including gas transmission and distribution operators, industrial and commercial contractors, utilities, and SMEs needing gas control and metering…
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 4y
Location
TASK FRONTERRA GEOSCIENCE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides geoscience consultancy services for the energy sector, including borehole image interpretation, core description, dipmeter and LWD data processing, petrophysical and geomechanical analysis,…
Serves oil and gas exploration and production companies, targeting geoscience, drilling, completions and reservoir teams that use borehole, core and log data for wells and reservoirs globally.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
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How UK Oil And Gas companies work and how to sell to them
What they do
Oil and gas companies earn revenue through a mix of physical commodity sales, processing margins, storage and transport fees, and specialist service work. Asset-owning operators usually price around volume, capacity, indexed supply contracts or contracted work programmes; service firms more often bill by day rate, fixed scope, call-out cover or retained availability. The product is rarely just a physical barrel or cubic metre. It is usually a package of permitted operations, logistics reliability, engineering judgement, safety assurance and credit risk. Engagements can be discrete site interventions, recurring maintenance schedules or longer commercial arrangements tied to supply security and asset uptime.
Who they sell to
Typical buyers are commercial and industrial energy users, fuel distributors, infrastructure owners, wholesale counterparties and contractors operating around production, transport, storage, processing or site remediation. Procurement often coordinates the process, but operations directors, asset managers, finance directors, safety leads and environmental teams tend to influence shortlisting. Lower-risk services may be bought through direct relationships or approved-supplier lists, while larger supply, transport or maintenance arrangements usually move through tendering, framework agreements and detailed qualification. Sales cycles are therefore uneven: repeat technical work can convert from an existing relationship, while asset-linked contracts may take months because insurance, credit, permits and delivery history have to be checked.
What they buy
Most oil and gas firms tend to spend on tools and services that reduce downtime, evidence compliance and keep subcontractors moving. Relevant software categories include asset management, maintenance planning, document control, field-service scheduling, safety workflow, environmental reporting, supplier onboarding, contract management, finance systems and customer relationship management. Technical sellers may also find demand for cyber security around operational systems, data integration, remote monitoring, metering, inspection records and analytics for production or logistics. Outside software, recurring purchases include insurance advice, legal support, audit work, specialist recruitment, training, calibration, transport planning and protective equipment.
Why and how to sell to them
Buying interest tends to appear when margins tighten, an asset changes operating pattern, a new contract is won, an audit exposes weak records, or a safety or environmental incident raises scrutiny. New finance leadership can also reopen questions around working capital, contract leakage and supplier risk. Outreach works better when it maps to a concrete operational trigger rather than a generic growth story: fewer shutdown hours, cleaner audit trails, faster contractor qualification, lower manual reconciliation or clearer evidence for insurers and customers. Proof points matter. Buyers in this market tend to ask for references from comparable industrial settings, not broad software claims.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
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