Mr Alasdair Alan Ryder

BRITISHUNITED KINGDOMBorn September 1961

Current Appointments
116

High Voltage Energy Systems Ltd

director · Since 27/04/2026

Hv Energy Systems Ltd

director · Since 15/04/2026

Active
Fluid Sealing & Engineering Limited

director · Since 24/03/2026

Active
Permarail Limited

director · Since 24/11/2025

Active
Reigate Asset Leasing Ltd.

director · Since 24/11/2025

Active
Topham Bidco Limited

director · Since 24/11/2025

Active
Topham Midco Limited

director · Since 24/11/2025

Active
Topham Holdco Limited

director · Since 24/11/2025

Active
Topham Investco Limited

director · Since 24/11/2025

Active
Navitas Engineering Group Ltd.

director · Since 24/11/2025

Active
Navitas Engineering Ltd.

director · Since 24/11/2025

Active
Active
Northern Engineering & Welding Co. Limited

director · Since 03/06/2025

Active
Kendall Kingscott Limited

director · Since 29/10/2024

Active
Apollo Strategic Communications Limited

director · Since 24/10/2024

Active
Eb7 Limited

director · Since 07/08/2024

Active
Eb7 Party Wall Limited

director · Since 07/08/2024

Active
Sustainable Aquafarms Limited

director · Since 31/10/2023

active
Homer Burgess Limited

director · Since 31/10/2023

Active
Global Rail Construction Limited

director · Since 07/09/2023

Active
Pd & Ms Energy (Aberdeen) Limited

director · Since 30/08/2023

Active
R.J.T. Excavations Limited

director · Since 17/08/2023

Active
Optimus Plus (Aberdeen) Limited

director · Since 14/07/2023

Active
Pd & Ms (Dundee) Limited

director · Since 14/07/2023

Active
Pd&Ms Holdings Limited

director · Since 14/07/2023

Active
Project Ires Topco Limited

director · Since 14/07/2023

Active
Project Ires Bidco Limited

director · Since 14/07/2023

Active
Synergie Environ Limited

director · Since 14/07/2023

Active
Kirton Water Treatment Services Limited

director · Since 06/07/2023

Active
W.Crowder & Sons Limited

director · Since 09/06/2023

Active
Axis Well Technology International Limited

director · Since 02/06/2023

Active
Axis Well Technology Group Limited

director · Since 02/06/2023

Active
Axis Well Technology Limited

director · Since 02/06/2023

Active
Axis Well Technology Management Limited

director · Since 02/06/2023

Active
1st Inrail Limited

director · Since 24/05/2023

Active
Hawkins Electrical Holdings Limited

director · Since 09/03/2023

Active
Ses Strategic Limited

director · Since 01/03/2023

Active
Hydrofix Limited

director · Since 02/02/2023

Active
Bmg Research Ltd

director · Since 25/01/2023

Active
Bmg Research Holdings Limited

director · Since 25/01/2023

Active
Wyse Group Limited

director · Since 16/11/2022

Active
Travis Baker Limited

director · Since 06/10/2022

active
W.G.M (Engineering)Limited

director · Since 01/10/2022

Active
Terraffix Soil Solutions Ltd

director · Since 30/09/2022

active
Midrock Construction Limited

director · Since 26/09/2022

Hollywood Civil Engineering Limited

director · Since 26/09/2022

Active
Copper Consultancy Limited

director · Since 04/08/2022

Active
Quantum Geotechnic Limited

director · Since 03/08/2022

Active
Spencer Quantum Limited

director · Since 03/08/2022

Active
Spencer Eca Group Limited

director · Since 03/08/2022

Proeon Systems Limited

director · Since 21/07/2022

Active
Mg Scaffolding (Oxford) Limited

director · Since 01/07/2022

Active
Fr Consultants Limited

director · Since 13/06/2022

Active
Mss Water Limited

director · Since 10/06/2022

Active
Mss Group Limited

director · Since 10/06/2022

Active
Mss Facilities Services Ltd

director · Since 10/06/2022

Active
Mss Consulting Limited

director · Since 10/06/2022

Active
Watertrain Acquisitions Limited

director · Since 04/05/2022

Watertrain Limited

director · Since 04/05/2022

Active
Windtechs Ltd

director · Since 29/04/2022

Active
Fellows Construction Consultants Ltd

director · Since 27/04/2022

Active
Rsk Renewables Limited

director · Since 11/03/2022

Active
Ceetech Limited

director · Since 11/03/2022

Active
Richard Allitt Associates Limited

director · Since 01/03/2022

Active
Fishtek Limited

director · Since 04/02/2022

Active
Non Entry Systems Limited

director · Since 20/12/2021

Active
Rsk Countryside Management Limited

director · Since 17/12/2021

Active
Optisol Services Ltd

director · Since 16/12/2021

Active
Centara Ltd

director · Since 12/11/2021

Active
Envireau Ltd

director · Since 02/11/2021

Active
Streetwise Uk Management Limited

director · Since 15/10/2021

active
Enviroflow Management Limited

director · Since 15/10/2021

Active
Carbon Zero Consulting Ltd

director · Since 30/09/2021

Active
Mwh Treatment Limited

director · Since 31/08/2021

Active
Electrokinetic Limited

director · Since 31/08/2021

Active
Eib Professional Services Limited

director · Since 31/08/2021

Active
Mwh Farrer Limited

director · Since 31/08/2021

Active
Eib Growth Services Limited

director · Since 31/08/2021

Active
Eib Group Limited

director · Since 31/08/2021

Active
Mwh Constructors Limited

director · Since 31/08/2021

Active
Mwh Limited

director · Since 31/08/2021

Active
Mwh Uk Acquisitions Limited

director · Since 31/08/2021

Active
Leap Environmental Limited

director · Since 30/07/2021

Active
Cs2 Limited

director · Since 30/07/2021

Active
Technik Ground Solutions Limited

director · Since 30/06/2021

active
Sonic Drilling & Piling Planthire Limited

director · Since 30/06/2021

Active
Stephenson Halliday Limited

director · Since 26/04/2021

Active
Cbec Eco Engineering Uk Limited

director · Since 01/04/2021

Active
Nicholas O'Dwyer Limited

director · Since 24/03/2021

Active
C.R. Civil Engineering Limited

director · Since 02/03/2021

Active
Edp Consultants Ltd

director · Since 02/03/2021

Active
Cumbria Access Services Limited

director · Since 22/01/2021

Active
Binnies Uk Limited

director · Since 15/01/2021

Active
Pharos Generator Services Limited

director · Since 16/12/2020

Active
Binnie & Partners Limited

director · Since 10/12/2020

Active
Sustainable Pigments Limited

director · Since 08/09/2020

Rsk Business Solutions Property Limited

director · Since 20/08/2020

Active
Cognica Limited

director · Since 18/08/2020

Active
Water Research Centre Limited

director · Since 18/08/2020

Active
Can Renewables Limited

director · Since 01/04/2020

Active
Salix River & Wetland Services Limited

director · Since 04/02/2020

Active
Active
Zero Energy Design Ltd

director · Since 29/11/2019

Active
Ecologia Environmental Solutions Limited

director · Since 11/09/2019

Active
Rsk Raw Limited

director · Since 26/06/2019

Active
Consents Solutions Ltd

director · Since 08/04/2019

Active
Bts Utility Arb Limited

director · Since 07/12/2018

Adas Silverdale Limited

director · Since 03/12/2018

Active
Can London Limited

director · Since 26/10/2018

Active
Central Alliance (Holdings) Limited

director · Since 12/03/2018

Active
Rsk Acoustics Limited

director · Since 27/11/2017

Active
Jb Site Investigations Limited

director · Since 11/03/2016

Active
Stats Group Limited

director · Since 28/05/2008

Alan Ryder Investments Limited

director · Since 16/07/2002

Active
Rsk Environment Limited

director · Since 22/03/1989

Active

Summary

Current roles116
Former roles0
NationalityBRITISH
Based inUNITED KINGDOM
DOBBorn September 1961
Risk flags None detected

Financial FootprintActive cos.

Combined turnover£322.8m
Combined net worth£166.8m
Combined profit£33.1m
Total employees3,031

Based on latest filed accounts for 78 of 116 active companies.

Data sourced from Companies House public register. Financial data from filed accounts. Updated as filings are processed.