Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 26 January 2027
- Last conf. stmt
- 12 January 2026
Sparx Limited
- Incorporated
- 12 January 2012 (14 years)
- Previously known as
- Supersparks Limited (until 3 April 2013)This list may be incomplete. See all names on Companies House
- Industry
- Educational support services (85600)
- Directors
- Andrew Charles MayfieldColin Michael Hegarty
- Owned by
- Accounts type
- Full
- Region
- South West
- Address
- Oxygen HouseGrenadier RoadExeterEX1 3LH
Officers 6 active
Officer details are public data from the Companies House register.
Mayfield, Andrew Charles, Sir
Director · Appointed 1 October 2025
British
Born December 1966 (59)
Director · Appointed 27 January 2021
British
Born February 1958 (68)
Hegarty, Colin Michael
Director · Appointed 29 June 2020
British
Born December 1981 (44)
Director · Appointed 2 December 2015
Also at Lcip1 Holdings Limited (proposed for strike-off), Low Carbon Oxygen Limited, Low Carbon Investment Management Limited · more companies
British
Born May 1968 (58)
Director · Appointed 12 January 2012
British
Born October 1969 (57)
Director · Appointed 12 January 2012
British
Born September 1969 (57)
Officer history (3 former)
1 October 2025
Appointed Mayfield, Andrew Charles, Sir as Director
30 September 2025
28 February 2023
27 January 2021
29 June 2020
Appointed Hegarty, Colin Michael as Director
23 September 2019
7 June 2018
2 December 2015
19 January 2015
Resigned Woodcock, Glenn as Secretary
12 January 2012
12 January 2012
12 January 2012
Appointed Woodcock, Glenn as Secretary
Ownership 4 active
People and entities with significant control, from the Companies House PSC register
Colin Michael Hegarty
Individual · Notified 14 May 2025
Has significant influence or control
British
Born December 1981 (44)
British
Born September 1969 (57)
British
Born October 1969 (57)
Corporate entity · Notified 6 April 2016
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Private Company Limited By Shares
Reg. no. 08306319
Former controllers (1)
28 February 2023
Group structure 57 shown
Ownership group derived from the Companies House PSC register
Atass Solar Limited Owns 75–100% of shares
City Science Corporation Limited Owns 25–50% of shares
Grenadier Estates Ltd Owns 75–100% of shares
Grenadier 29 Limited Owns 75–100% of shares
Grenadier Emperor Limited Owns 75–100% of shares
Grenadier Exmouth Limited Owns 75–100% of shares
Queen's Drive Exmouth Community Interest Company Owns 75–100% of shares (as a firm)
St Margaret's Residences (Exeter) Limited Owns 75–100% of shares
St Margaret's Residences Management Company Limited Owns 75–100% of shares
Low Carbon Group Limited Holds 75–100% of voting rights
Camber Solar Project Limited Owns 75–100% of shares
Low Carbon Investment Partners 1 Limited Owns 75–100% of shares
Low Carbon Foundation Holds 75–100% of voting rights
Low Carbon Holdco Limited Owns 25–50% of shares
Low Carbon Limited Owns 75–100% of shares
Low Carbon Rooftops Limited Owns 75–100% of shares
Low Carbon Ventures Limited Owns 75–100% of shares
Park Farm Solar Limited Owns 75–100% of shares
Low Carbon Oxygen Limited Owns 75–100% of shares
Battens Farm Solar Park Limited Owns 50–75% of shares
Four Burrows Solar Park Limited Owns 75–100% of shares
Lackford Estate Solar Park Limited Owns 75–100% of shares
Low Carbon Solar Finance Limited Owns 75–100% of shares
Callington Solar Park Limited Owns 75–100% of shares
Hellums Field Solar Park Limited Owns 75–100% of shares
Hope Solar Park Limited Owns 75–100% of shares
Trigon Solar Park Limited Owns 75–100% of shares
Warleigh Barton Solar Park Limited Owns 75–100% of shares
Wilmingham Solar Park Limited Owns 75–100% of shares
Rudbaxton Solar Park Limited Owns 75–100% of shares
Skegness Solar Park Limited Owns 75–100% of shares
St Columb Solar Park Limited Owns 75–100% of shares
Trenouth Solar Investment Company Limited Owns 75–100% of shares
Trenouth Solar Farm Limited Owns 75–100% of shares
Oxygen Conservation Limited Owns 50–75% of shares
Oxygen Conservation Portfolio 1 Limited Owns 75–100% of shares
Oxygen Conservation Holdings 1 Limited Owns 75–100% of shares
B&H Conservation Limited Owns 75–100% of shares
Invergeldie Conservation Limited Owns 75–100% of shares
Oxygen Conservation Holdings 1B Limited Owns 75–100% of shares
Aberaeron Conservation Limited Owns 75–100% of shares
Dorback Conservation Limited Owns 75–100% of shares
Kinrara Conservation Limited Owns 75–100% of shares
Mornacott Conservation Limited Owns 75–100% of shares
Shropham Conservation Limited Owns 75–100% of shares
Siblyback Conservation Limited Owns 75–100% of shares
Swineley Conservation Limited Owns 75–100% of shares
Oxygen House Limited Owns 75–100% of shares
Sparx Limited This company Owns 75–100% of shares
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 15 October 2026 | Full accounts | 31 December 2025 |
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