OCCMS is Orion Group’s completions and commissioning specialist services division. Our team has a wide range of expertise and experience in sectors such as energy, clean energy, built environment, life sciences, mining and defence. The team has also built the processes and systems that focus on and drive outcome-based delivery to our clients covering cost, time, quality, safety, ethics and sustainability. In OCCMS we are committed to success as a tangible and measurable commodity not just for OCCMS but more importantly for our clients, partners, suppliers and the local communities we operate in.

This approach gives us a solid foundation on which to continuously improve the products and services that we deliver to our clients around the world. We are a specialist completions and commissioning business that is passionate about delivering efficient and effective processes, systems and resources. This is not only to support our clients in bringing in their projects on time and on budget but also for the safe and timely start-up of their operating assets with high performance, availability and reliability.

About OCCMS image What is OCCMS?

Barry Cann

OCCMS Managing Director and Group Technical Director

Barry is an experienced business director, project manager and chartered engineer. He has a wealth of expertise in engineering, construction and commissioning and decommissioning, covering brown and greenfield projects. Barry has worked across a range of sectors including oil and gas (conventional and unconventional), renewable energy, mining, rail and nuclear industries and covers all levels of the supply chain from service provider to client.

Jamie Japp

Operations Director

Jamie has a proven track record of delivering brownfield modifications for top tier energy clients spanning 23 years. Jamie holds an MBA with Distinction in Oil and Gas Management. His focus is quality, cost, technical integrity, and assurance. With vast experience in leading technical delivery teams within the UKCS Brownfield C&C environment, he is responsible for ensuring energy clients receive best-in-class services to ensure safe, efficient, and cost-effective delivery and start-up of assets

Craig Finnie

Orbit Product Manager

Craig is our IT systems and software development manager with an engineering background and experience in the energy, heavy industry, retail and dotcom sectors. Craig is responsible for the training, development and delivery of Orbit to our global client base.

Tony Davies

Associate Consultant

Tony is a degree-qualified consultant with forty years' experience in the fields of offshore and onshore oil and gas engineering, construction, completions and commissioning, hook-up and commissioning, overhauls, greenfield construction, brownfield construction, commissioning and start-up. Tony manages the detailed preparation and execution of commissioning, work scope development and execution, coordination of design, process engineering, construction, installation and commissioning.

Matt Hinkley

Regional Director - Asia Pacific

Matt is an experienced Director with a demonstrated history of working in Engineering, construction, commissioning and asset lifecycle optimisation. He has worked in various sectors including mining, O&G, FMCG and Nuclear and is well versed with Maintenance Management Systems, Contract Management and planning. Having worked in extremely remote locations, he understands the need to plan things and have the right tools to do it.

Emma Smart

Senior Resourcing Coordinator

Emma has worked in the Recruitment industry for 10 years gaining experience in Project Controls, Construction and Professional Services. She is dedicated to grow OCCMS skilled talent pool to meet client expectations and demand.

John McWilliam FIRP

Project Manager

John’s O&G career spans over 30 years. Initially as a Planning Engineer, working for several major operators and EPC companies both on/offshore on brownfield and greenfield projects. Further assignments included comprehensive Ops/Maint & Shutdown experience. This network and experience accrued has enabled John to Manage and coordinate the resourcing of key global projects, primarily specialising in the resourcing of management and construction/commissioning disciplines.

Laura Brai

Project Controls Administrator

Laura Brai joins our team in Aberdeen with Post Graduate Project Management qualifications, Laura also has a background in administration, graphic design and logistics and will be supporting our OCCMS operations and commissioning team’s.” It has been a roller coaster journey moving with family from Finland to study and build a life in Aberdeen. Having now graduated, I am very grateful for this amazing opportunity to learn more about project delivery in the energy sector.

Our partners

Dexcrest Limited

Dexcrest Limited has over 45 years of experience providing commissioning engineering and completions consultancy services, and procurement solutions to the global oil, gas and energy industry.

This partnership of two similar companies that could be considered competitors at face value. The strengths of both companies offering solutions that are better than the sum of their parts in the delivery of completions and commissioning services and systems, commissioning competency assurance and supply of high-end commissioning consultancy.

OCCMS has global reach and footprint, financial strength and flexibility, the talent pool depth and breadth, completions delivery and systems experience, software systems know-how, compliance and legislative knowledge blended with strengths of Dexcrest in high end commissioning consultancy, commissioning competency assessment and procurement support services.


A branded division within the Orion Group formed through a partnership with two eminent experts in their field of metering services. This division supplies metering, instrumentation measurement and testing services within the following service lines:

- Consultancy

- Construction support

- Completions and Commissioning

- Maintenance support

- Auditing and Health Checks

- Training

Our expertise and delivery covers fiscal metering, allocation process metering, fiscal and process analysers, EUETS regulation metering and operational best practice.

For more detail visit Metrum.

Interested in finding out how we can take your project management to the next level?

Contact us
About OCCMS image

OCCMS is proud to be part of Orion Group, a world-leading manpower provider.

Founded in 1987, Orion Group is an international leader in the provision of specialist recruitment services to the construction and infrastructure, finance, IT, life science, marine, mining, new energies, nuclear, office, oil and gas and power and utilities sectors.

Scotland’s largest independent recruitment company, Orion Group, places over 4,000 contractors every year worldwide. Orion Group has placed over £3bn worth of workforce solutions to the energy sector alone in the past 30 years.

Orion Group’s recruitment expertise combined with our state-of-the-art OCCMS Orbit technology delivers an unrivalled completions and commissioning service, enabling clients to successfully prepare, execute and deliver on any event scenario, expansion or overhaul.