Top 10 Best Oil and Gas Companies in Great Yarmouth

Great Yarmouth's Oil and Gas Heritage

Great Yarmouth's modern energy story began in the 1960s, when natural gas was discovered beneath the Southern North Sea. The town quickly became a key supply base for offshore exploration and production, with vessels, helicopters, engineers and service companies operating from the port. Gas brought ashore at the nearby Bacton terminal has supplied a significant share of the UK's energy for decades.

Today the industry is changing. Many Southern North Sea fields are mature, and decommissioning is becoming a major activity. At the same time, the skills and infrastructure developed for oil and gas are being applied to offshore wind, carbon capture and hydrogen. The companies below represent the most important oil and gas businesses connected to Great Yarmouth.

The Top 10 Oil and Gas Companies

1. Perenco UK

Perenco is one of the most significant gas producers in the Southern North Sea and has a major operational base in Great Yarmouth. It operates a network of offshore platforms and pipelines, extending the life of mature fields through efficient operations and investment.

2. Shell

Shell has a long history in the Southern North Sea and is associated with the Bacton gas terminal on the north Norfolk coast. Its operations have played a vital role in securing UK gas supplies for generations.

3. Eni

Eni has operated gas fields in the Southern North Sea and is involved in decommissioning and potential carbon storage projects. Its activities support specialist services and engineering work in the region.

4. Harbour Energy

Harbour Energy is one of the largest independent oil and gas producers in the UK North Sea. Its presence in the sector influences investment, employment and supply chain opportunities across the East of England.

5. 3sun Group

Great Yarmouth-headquartered 3sun Group provides engineering, inspection, maintenance and decommissioning services to oil and gas operators, alongside its work in renewables. Its dual expertise makes it a key player in the energy transition.

6. Proserv

Proserv provides subsea control systems, production technology and services to energy operators. Its engineering capabilities have long supported offshore operations linked to Great Yarmouth.

7. Wood

Wood is a global engineering and consultancy company that supports oil and gas operators with project delivery, operations and decommissioning services. Its expertise helps extend asset life and manage safe, efficient operations.

8. Petrofac

Petrofac provides engineering, operations, maintenance and training services to the energy industry. Its experience across the North Sea supports operators in the Southern North Sea basin.

9. Gardline

Gardline, based in Great Yarmouth, offers marine survey and geophysical services for exploration, pipeline routes and decommissioning, helping operators understand the seabed and manage environmental impacts.

10. Peel Ports Great Yarmouth

Peel Ports operates the port that has served the offshore industry for decades. Its quayside facilities, storage and logistics services support supply vessels, decommissioning projects and offshore operations.

The Energy Transition and Oil and Gas

The Southern North Sea is moving into a new phase. As gas fields reach the end of production, platforms and pipelines must be decommissioned safely, creating significant work for engineering and marine firms. Depleted reservoirs are being studied for carbon capture and storage, which could help decarbonise heavy industry. Some infrastructure may also support hydrogen production and transport in the future.

Industry Trends

Operators are focusing on efficiency, emissions reduction and extending the life of existing assets. Electrification of offshore platforms, improved methane monitoring and digital technology are becoming more common. Many oil and gas service companies are diversifying into renewables, using their offshore expertise to support wind farms and other low-carbon projects.

Skills and Employment

The oil and gas industry has built a highly skilled workforce in Great Yarmouth, including engineers, technicians, marine crews and safety specialists. These skills are transferable to offshore wind and other energy sectors, helping workers move into new roles as the industry evolves. Local training providers continue to offer offshore safety and technical courses that serve both sectors.

Economic Importance

The oil and gas industry has supported generations of Great Yarmouth families and helped build the town's reputation as an energy hub. Its infrastructure, supply chain and expertise now provide the foundation for the region's renewable energy growth.

The Role of Decommissioning

Decommissioning is now one of the most important activities in the Southern North Sea. Removing platforms, plugging wells and cleaning pipelines requires careful planning, specialist vessels and highly skilled engineers. Great Yarmouth's port, experienced supply chain and proximity to the gas fields make it a natural base for this work, and many local companies have developed specialist decommissioning capabilities that are in demand across the North Sea and internationally.

Conclusion

Great Yarmouth's oil and gas sector has shaped the town's economy and identity for more than fifty years. The companies in this guide continue to play an important role in energy security, decommissioning and the transition to a low-carbon future.