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Mr Stephen John Mason

BRITISHUNITED KINGDOMBorn September 1964

Current Appointments
66

East Yorkshire Solar Farm Limited

director · Since 19/02/2026

Active
Costock Solar Farm Limited

director · Since 22/01/2026

Active
Ase Procurement Services Limited

director · Since 17/12/2025

Active
Ase Uk Community Solar Ii Limited

director · Since 03/10/2025

Active
Burton Top Solar Limited

director · Since 30/05/2025

Active
Hamble Power Limited

director · Since 18/01/2025

Active
Lavant Power Limited

director · Since 18/01/2025

Active
Magnus Assets One Limited

director · Since 18/01/2025

Active
Bartley Power Limited

director · Since 18/01/2025

Active
Hele Manor Limited

director · Since 18/01/2025

Active
Keekle Power Limited

director · Since 18/01/2025

Active
Rossington Power Limited

director · Since 18/01/2025

Active
Hartree Partners Power Holdings 2 (Uk) Limited

director · Since 10/12/2024

Active
Mount Owen Solar Limited

director · Since 27/11/2024

Active
Leeming Solar Farm Limited

director · Since 30/09/2024

Active
Cotes Heath Solar Limited

director · Since 09/07/2024

Active
Hartree Solutions Assets Limited

director · Since 08/07/2024

Active
Excalibur Power Limited

director · Since 08/07/2024

Active
Wgc Energy Centre Limited

director · Since 08/07/2024

Active
Hartree Peaking 2 (Holdings) Limited

director · Since 08/07/2024

Active
Hartree Partners Supply (Uk) Limited

director · Since 08/07/2024

Active
Kingsmoor Power Limited

director · Since 08/07/2024

Active
Hartree Solutions (Uk) Limited

director · Since 08/07/2024

Active
Hartree Partners Power Holdings (Uk) Limited

director · Since 08/07/2024

Active
Powertree (Holdings) Limited

director · Since 08/07/2024

Active
Powertree (Foxwood Road) Limited

director · Since 08/07/2024

Active
Powertree (Taylor Lane) Limited

director · Since 08/07/2024

Active
Powertree (Sidings Road) Limited

director · Since 08/07/2024

Active
Hartree Peaking (Holdings) Limited

director · Since 08/07/2024

Active
Hartree Solutions Limited

director · Since 08/07/2024

Active
Hartree Land Limited

director · Since 08/07/2024

Active
Haverton Hill Power Limited

director · Since 08/07/2024

Active
Kwb Power Limited

director · Since 08/07/2024

Active
Sunderland Power Limited

director · Since 08/07/2024

active
Peterlee Power Limited

director · Since 08/07/2024

Active
Pennymoor Solar Limited

director · Since 08/07/2024

Active
Wilsford Hill Solar Limited

director · Since 08/07/2024

Active
Camp Farm Solar Limited

director · Since 03/07/2024

Active
Witney Solar Limited

director · Since 03/07/2024

Active
Flaxlands Solar Farm Limited

director · Since 02/07/2024

Active
Ampyr Energy Uk Management Services Limited

director · Since 09/05/2024

Active
Ase Uk Community Solar I Limited

director · Since 28/10/2023

Active
Highland Net Zero Limited

director · Since 12/10/2023

Active
Ampyr Highland Energy Limited

director · Since 10/10/2023

—
Birchall Green Solar Farm Limited

director · Since 09/06/2023

Active
Norchard Solar Farm Limited

director · Since 09/06/2023

Active
New Acres Solar Limited

director · Since 09/06/2023

Active
North Newton Solar Farm Limited

director · Since 09/06/2023

Active
Keith Solar Pv Limited

director · Since 08/06/2023

Active
Ase Management Mip Nominees Limited

director · Since 16/10/2022

Active
Corsham Solar Farm Limited

director · Since 19/04/2022

Active
Brackley Solar Farm Limited

director · Since 19/04/2022

—
Ase Brackley Limited

director · Since 26/01/2022

—
Corsham Solar Limited

director · Since 26/01/2022

—
Trinlaymire Net Zero Solar Limited

director · Since 26/01/2022

Active
Poppleton Solar Limited

director · Since 26/01/2022

Active
Ase-Ea Solar Limited

director · Since 02/11/2021

Active
Ase Management Services Limited

director · Since 17/06/2021

Active
Ase Uk Holdings Limited

director · Since 21/05/2021

Active
Highland Wind Farm Limited

director · Since 29/03/2021

Active
Totleywells Net Zero Limited

director · Since 29/03/2021

Active
Wgc Solar Limited

director · Since 29/03/2021

Active
Devizes Solar Limited

director · Since 19/06/2020

Active
Sutton On The Forest Solar Limited

director · Since 19/06/2020

Active
Ampyr Energy Uk Development Limited

director · Since 19/06/2020

—
Thunderfreeze Ltd

director · Since 26/08/2009

—

Summary

Current roles66
Former roles0
NationalityBRITISH
Based inUNITED KINGDOM
DOBBorn September 1964
Risk flags None detected

Financial FootprintActive cos.

Combined turnover£46.3m
Combined net worth£-3.9m
Combined profit£-755k
Total employees10

Based on latest filed accounts for 42 of 66 active companies.

Frequently Works With

Mr Dhruv Menon35 cos.
Mr Andrew Julian Gould33 cos.
Mr Tarun Agrawal27 cos.
Mr Paul Martin Garske27 cos.
Mr Mark William Wood26 cos.
Mr Cyrus Dadachanji25 cos.
Mr Stephen Michael Semlitz10 cos.
Mr Adam Gordon James Lewis5 cos.

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