Website & contact details
- Website
Fourphase Ltd.
- Incorporated
- 3 January 2018 (8 years)
- Previously known as
- SLLP 216 Limited (until 17 January 2018)This list may be incomplete. See all names on Companies House
- Industry
- Other business support service activities n.e.c. (82990)
- Directors
- Lasse ByrkjelandØyvind Hansen Heradstveit
- Owned by
- Anders Mathias Arefjord
- Accounts type
- Small
- Region
- Scotland
- Address
- Arnhall Business Park 35 Abercrombie CourtProspect RoadArnhall Business ParkWesthillAberdeenAB32 6FE
Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 20 January 2027
- Last conf. stmt
- 6 January 2026
Officers 3 active
Officer details are public data from the Companies House register.
Byrkjeland, Lasse
Secretary · Appointed 18 January 2018
Byrkjeland, Lasse
Director · Appointed 18 January 2018
Norwegian
Born April 1979 (47)
Heradstveit, Øyvind Hansen
Director · Appointed 18 January 2018
Norwegian
Born January 1971 (55)
Officer history (3 former)
18 January 2018
Appointed Byrkjeland, Lasse as Secretary
18 January 2018
Appointed Byrkjeland, Lasse as Director
18 January 2018
Appointed Heradstveit, Øyvind Hansen as Director
18 January 2018
18 January 2018
18 January 2018
3 January 2018
3 January 2018
3 January 2018
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Anders Mathias Arefjord
Individual · Notified 1 December 2025
Owns 25–50% of shares
Holds 25–50% of voting rights
Norwegian
Born May 1974 (52)
Former controllers (1)
1 December 2025
Ceased Energy Ventures IV LP — Owns 50–75% of shares
What Fourphase say about themselves
“Creating the market-leading solutions for solids management. Improve your oil and gas well production today with our separation system. Read more here >>”
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 15 September 2026 | Accounts for a small company | 31 December 2025 | ||
| 5 February 2026 | Cessation of a person with significant control | 1 | ||
| 5 February 2026 | Confirmation statement with no updates | 6 January 2026 | 3 | |
| 5 February 2026 | Notification of a person with significant control | 2 | ||
| 11 June 2025 | Accounts for a small company | 31 December 2024 | 9 |
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