Skip to content

About Us

Engineering Excellence Since 2004

World-leading specialists in drilling derricks, masts, and substructures. Engineering excellence delivered globally from our four strategic locations.

Our Story

Built on Specialist Engineering Expertise

Derrick Services Limited (DSL) has been at the forefront of the drilling equipment industry since 2004. Based in Great Yarmouth, UK, we specialise in the design, manufacture, inspection, and refurbishment of drilling derricks, masts, and substructures.

Our team of highly skilled engineers, designers, and technicians brings decades of combined experience to every project. We pride ourselves on delivering innovative solutions that meet the most demanding industry standards.

As part of the OES Group, we leverage global resources and expertise while maintaining the specialist focus and personal service that our clients value.

Our Great Yarmouth Headquarters

State-of-the-art fabrication facility

2004

Established

Global Offices

Projects Completed

24/7

Support

Our Values

What Drives Us

Safety First

We prioritise safety in everything we do, protecting our people and the environment.

Engineering Excellence

We deliver world-class engineering solutions through innovation and expertise.

Customer Focus

Our clients' success is our success. We build lasting partnerships through reliable delivery.

Innovation

We continuously invest in new technologies and methods to stay at the forefront of our industry.

Our Journey

Company History

2004

Company Founded

Established in Great Yarmouth as a specialist drilling equipment engineering company.

2008

Workshop Expansion

Major investment in fabrication facilities, tripling our workshop capacity.

2020

Digital Transformation

Launched digital inspection and asset management platforms.

2026

OES Group Formation

Became part of the OES Group, strengthening our global service capabilities.

Today

Global Operations

Operating across four continents with a team of 200+ specialists.

Part of

OES Group

Strength through partnership

Our Parent Company

Backed by Global Expertise

As part of the OES Group, DSL benefits from the collective expertise and resources of a global engineering services organisation.

The OES Group brings together specialist companies in drilling equipment, inspection services, and facilities management, providing comprehensive solutions to clients worldwide.

Learn more about OES Group

Ready to Work With Us?

Contact our team to discuss your project requirements.