About Us
Plexus specialises in the design and supply of wellhead products to the global oil and gas industry.
We believe innovative technology needs to work hand in hand with outstanding service. We do what it takes to deliver wellhead equipment which is safer, and is proven to save time and money.
Utilising our patented POS-GRIP® Technology we have become the global leader for the provision of HP/HT wellhead products and services.
Providing a flexible and responsive service, we offer rental and purchase services for wellhead equipment, making a positive difference to your business.
Our values are the cornerstone to working at Plexus:
- Pride: We achieve more by working together and are proud of our work
- Opportunity: Ambition and motivation drives our mutual success
- Safety: Adopt a real life approach to safety
- Goal Orientated: Empowered to take ownership and responsibility, focused on results
- Relationships: Be responsive and focused on developing valuable relationships
- Inventive: Encourage innovation and break new ground
- Positive: Friendly place to work, great people to work with
Our History
- 1985Plexus founded – develops first ‘through BOP’ adjustable wellhead
- 1996Cameron acquires Ingram Cactus/Plexus
- 1997Plexus re-forms, POS GRIP® technology invented
- 1999First POS-GRIP® installation – Talisman UK North Sea
- 2004First HG Production Wellhead installed
- 2008POS-GRIP® system used Subsea for mudline conversion
- 2015Plexus launches Python® Subsea Wellhead and HPHT Mudline Tieback Connector
- 2018Surface wellhead rental exploration business licensed to TFMC
- 2020Plexus focus on “HG” Production wellheads and trees
- 2021Plexus licence POS-GRIP to Cameron for certain “HG” Production wellhead applications
- 2021Green Economy Mark awarded by London Stock Exchange
- 2021Plexus take on rights to Exact adjustable wellheads from Cameron
- 2023Plexus awarded Special Project for POS-GRIP “HG” equipment for £8m
- 2024Licence Agreement with SLB (formally Cameron) for Surface Wellheads for $5.2m
KEY CONTACTS
Meet the Team
Our people are central to our business: an innovative and ambitious team working together to realise our shared ambition for growth.
Craig Hendrie
CEO
Craig serves as a Director of both Plexus Ocean Systems Ltd. and parent company Plexus Holdings Plc. He joined Plexus in 1998, and was instrumental in the development, analysis and testing of Plexus proprietary POS-GRIP® Technology. He has a wide range of professional and management experience. Craig holds a Masters’ Degree in Engineering Science from the University of Oxford and is a member of the Society of Petroleum Engineers (SPE) and an Associate Member of the Institute of Mechanical Engineers (IMechE). Craig has published several papers on the subject of wellhead technology design and safety, and holds a number of patents.
Mike Robertson
Director – POSL
Mike initially joined Plexus in 1986, assuming the role of Director in 1997. Mike comes from an engineering background and is responsible for operations, quality and HSE., his remit also extends to supporting the development and implementation of new products to deliver the long-term growth plans of the business. He has 36 years’ experience in the oil and gas industry with 33 years of those within the wellhead business. Mike studied Mechanical and Production Engineering at Robert Gordons and has been instrumental in the development of POS-GRIP® technology.
Mike Park
CFO
Mike qualified as a Chartered Accountant in 1991 and has over 25 years’ experience in the Oil & Gas industry, with both SMEs and multi-national oilfield service companies. Mike joined Plexus in 2004 as Group Financial Controller and subsequently joined the Board of Plexus Ocean Systems in 2011. Mike’s remit covers Finance, HR and IT as well as being part of the Directors’ group responsible for corporate governance, objectives and performance.
Brent Harrald
Engineering Manager
Brent manages an experienced engineering team who handle the design and technical support for all Plexus products. Engineering supports new product design, ongoing manufacture, validation testing and various forms of technical analysis for existing wellhead equipment.
He has 22 years’ experience in wellhead equipment engineering, both at Plexus and elsewhere in the industry. He joined Plexus as a design engineer in 2002 and has since served Plexus in several engineering roles before becoming Engineering Manager in 2013.
Ellie Donald
HR/Contracts Coordinator
Ellie is responsible for both the HR and Contracts functions within Plexus, Ellie’s remit also extends to managing the Competency Assurance programme Competency@Plexus.
Ellie studied at the University of Aberdeen, graduating with a bachelor’s degree in laws and French Law before beginning her career in the oil and gas sector. Ellie joined Plexus in 2014 as HR Administrator, taking on the responsibility for Contracts in 2017.
Graham Benzie
QHSE Manager
Graham is responsible for developing Plexus’ Quality Management System in line with business needs, providing leadership to all departments on QHSE matters in addition to driving continuous improvement of Plexus.
Having initially joined Plexus in 2012 as a Workshop Technician, Graham transitioned into an HSE role in 2014 and developed his knowledge and experience of Quality Management over the years, before assuming the role of QHSE Manager in 2024.
Join Plexus
Interested in joining our dynamic and ambitious team? We’re always interested in hearing from passionate people.
Call +44 (0) 1224 774 222
careers@plexusplc.com
QHSE
HSE is an integral part of all Plexus activities and we continually strive to create the safest possible workplace. Our aim is to have zero harm to our people, equipment and environment and we believe by adopting a “real life” approach to safety and through encouraging and engaging with our workforce we can achieve and sustain this.
Our Business Management System is certified to API Q1, BS EN ISO 9001: 2015 and BS ISO 45001:2018. We strive for continuous improvement primarily via our people and also through our policies, procedures and sharing best practice and lessons learned. HSE considerations are our priority focus throughout the design, manufacture and operation of all of our POS-GRIP® products.
+44 (0) 1224 774 222
info@plexusplc.com
Plexus Holdings plc
(Registered Office Address)
Highdown House
Yeoman Way
Worthing
West Sussex
BN99 3HH
Plexus Ocean Systems Ltd
(Physical Address)
Plexus House
Burnside Drive
Dyce
Aberdeen
AB21 0HW
Plexus Ocean Systems Ltd
(Registered Office Address)
Johnstone House
52-54 Rose Street
Aberdeen
AB10 1HA
Craig Francis Bryce Hendrie
M.Eng (Oxon)
Chief Executive Officer
Profile
After gaining a Masters Degree in Engineering Science from the University of Oxford, Craig began his career with ICI plc in 1996 as a machines engineer. He joined Plexus in 1998 and was instrumental in the development, testing and analysis of the original POS-GRIP products. As Technical Director, Craig was responsible for overseeing new technology and concept development, product testing and analysis. Having also beeing involved in day to day company management, business development and PLC matters, he is now CEO.
Michael George Park
MA CA
Chief Financial Officer
Profile
Having qualified as a CA in 1991, Mike spent 13 years principally in the oil and gas industry with Ingram Cactus and Weatherford, where he was Financial Controller for the West Africa and UK divisions. Mike joined Plexus in 2004 as Group Financial Controller and became Finance Director of Plexus Ocean Systems in 2011. Within his time at Plexus, Mike has been involved in the IPO and Admission to AIM process as well as many other initiatives alongside core responsibilities of accounting compliance.
Anastasio Johan Michael James van Bilderbeek
BSc M.Eng
Executive Director
Profile
Anastasio graduated from the University of Texas, Austin with an engineering degree, and subsequently joined British Gas plc as a drilling engineer. He spent 2 years with British Gas Plc and gained invaluable experience in all aspects of E&P drilling, well design, planning and execution. On leaving British Gas, Anastasio joined Plexus to learn all about installing Plexus proprietary wellheads around the world. Having gained in depth practical experience in the field, he spent some time in Houston, Texas on product development and testing, before moving to Egypt to head up the sales and marketing team for a number of years, which proved very successful. On his return from Egypt he has spent his time in Aberdeen and London involved in various commercial and operational aspects of Plexus.