Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 15 March 2027
- Last conf. stmt
- 1 March 2026
Polyline Drainage Systems Limited
- Incorporated
- 10 March 1989 (37 years)
- Industry
- Non-trading company (74990)
- Directors
- Hans-Julius Ahlmann
- Owned by
- Thomas Iver Ahlmann
- Accounts type
- Dormant
- Region
- East of England
- Address
- Aco Business ParkHitchin RoadSheffordSG17 5TE
Officers 3 active
Officer details are public data from the Companies House register.
Secretary · Appointed 25 May 1999
British
Director · Appointed 30 April 1997
British
Born September 1952 (74)
Ahlmann, Hans-Julius
Director
German
Born April 1952 (74)
Officer history (4 former)
30 April 2001
Resigned Martin-Loat, Graham as Director
2 October 2000
Appointed Martin-Loat, Graham as Director
25 May 1999
25 May 1999
30 April 1997
30 April 1997
31 July 1991
14 July 1991
Resigned Veale, Michael Alan as Secretary
Ownership 3 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 6 April 2016
Owns 75–100% of shares
Holds 75–100% of voting rights
Public Limited Company
Reg. no. 01854115
Thomas Iver Ahlmann
Individual · Notified 6 April 2016
Owns 75–100% of shares
Holds 50–75% of voting rights
German
Born June 1982 (44)
Hans-Julius Ahlmann
Individual · Notified 6 April 2016
Holds 25–50% of voting rights
German
Born April 1952 (74)
Group structure 6 companies
Ownership group derived from the Companies House PSC register
Aco Drain Limited Owns 75–100% of shares
Aco International Limited Owns 75–100% of shares
Aco Limited Owns 75–100% of shares
Aco Wildlife Limited Owns 75–100% of shares
Polyline Drainage Systems 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 | |
|---|---|---|---|---|
| 2 November 2026 | Confirmation statement with no updates | 1 March 2026 | ||
| 2 November 2026 | Notification of a person with significant control | |||
| 2 November 2026 | Notification of a person with significant control | |||
| 19 June 2026 | Accounts for a dormant company | 31 December 2025 | ||
| 4 June 2025 | Accounts for a dormant company | 31 December 2024 |
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