Shares
Country of incorporation and main country of operation: UK
Number of shares in issue with voting rights : 172,691,366
Number of shares in issue: 172,691,366
Percentage of shares not in public hands: 62.6%
* This figure 172,691,366 should be used by shareholders as the
denominator when determining whether they are required to
notify their interest in, or, a change to their interest in the company
under the FCA’s Disclosure Guidance and Transparency Rules.
Significant shareholders
- Mutual Holdings Limited – 24.7%
- OFM Investments Limited – 22.1%
- Hargreaves Lansdown (Nominees Limited) – 10.6%
- Ben van Bilderbeek – 7.5%
- Nortrust Nominees Limited – 5.7%
- Interactive Investor Services Nominees Limited – 5.1%
- Thrall Enterprises Inc. – 3.6%
- Vidacos Nominees Limited – 3.1%
This information in this section is being disclosed in accordance with AIM Rule 26, and was last updated on 22nd December 2025.
There are no restrictions of the fully paid-up Ordinary shares of the Company admitted to trading.
+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.