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ALPHA MARINE LIMITED

Private limited company (Ltd.) Active

in

Registration No.
IE582939
Incorporation Date
2016-05-20
Company Type
Private limited company (Ltd.)
Address
Ireland
Website
www.alphamarine.ie/
Source: Companies Registration Office (CRO)

ALPHA MARINE LIMITED is a Private limited company (Ltd.) registered in Ireland under IE582939, and its current status with Companies Registration Office (CRO) is active. The company was incorporated on 20 May 2016 and lists its registered address as Ireland. 3 shareholders are on record for ALPHA MARINE LIMITED, including at least one natural person recorded as a direct holder; the filing carries no beneficial-ownership flag, so that holder is noted here as a recorded shareholder rather than a confirmed ultimate beneficial owner (UBO). This profile is sourced directly from Companies Registration Office (CRO) and was last updated on 28 October 2026.

Data Provenance
This record is sourced directly from official government registries, including Companies Registration Office (CRO).

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Shareholders

3

Three shareholders are currently on record for ALPHA MARINE LIMITED, held on the Annual Return (Form B1) under section 342 of the Companies Act 2014, which the register supplies only on payment.

The largest of these is SIMON GREENWOOD, holding 50% — the largest recorded stake — followed by TIM GREENWOOD at 40%; the remaining 1 shareholder shown holds smaller stakes.

1 shareholder shown is a company, so the ownership chain continues above this level for that holding; the other 2 are recorded as direct individual holders, though the record carries no UBO/PSC flag confirming beneficial-owner status.

Shareholder Type Holding Source Document
SIMON GREENWOOD 50% Companies Registration Office (CRO)
TIM GREENWOOD 40% Companies Registration Office (CRO)
IRISH MAINPORT HOLDINGS ULC 10% Companies Registration Office (CRO)

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Officers

5

Three of the 5 officer records shown for ALPHA MARINE LIMITED are current appointments, filed with Companies Registration Office (CRO). SIMON GREENWOOD (appointed 2016-05-20), TIM GREENWOOD (appointed 2016-05-20) and David Ronayne (appointed 2020-11-02) all serve as Director. The remaining 2 records shown (DEBORAH DELANEY and BRENDAN DELANEY) are former appointments that have since been resigned.

Management authority at ALPHA MARINE LIMITED sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.

The source filing doesn't specify representation authority — whether officers can act individually or must sign jointly to bind the company — so that detail isn't available here.

SG
SIMON GREENWOOD ACTIVE

Appointed
2016-05-20
Residence
🇮🇪 Ireland
Occupation
Director

TG
TIM GREENWOOD ACTIVE

Appointed
2016-05-20
Residence
🇮🇪 Ireland
Occupation
Director

DR
David Ronayne ACTIVE

Appointed
2020-11-02
Residence
🇬🇧 United Kingdom
Occupation
Director

DD
DEBORAH DELANEY RESIGNED

Appointed
2016-05-20
Resigned
2016-05-20
Residence
🇮🇪 Ireland
Occupation
Director

BD
BRENDAN DELANEY RESIGNED

Appointed
2016-05-20
Resigned
2016-05-20
Residence
🇮🇪 Ireland
Occupation
Company Secretary

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Group Structure

ALPHA MARINE LIMITED has no recorded parent company — it sits at the top of its own group structure, with 1 subsidiary recorded beneath it across 1 jurisdiction. Each of these downward relationships is derived rather than filed: resolved by matching entities across the registry network, not stated directly in a single document.

Those 1 subsidiary spans Ireland jurisdiction, though this list should not be read as complete — subsidiaries only become visible here where shareholder data has actually been filed with a register, so holdings in jurisdictions without that filing simply won't appear.

Ultimate HQ
ALPHA MARINE LIMITED
Ireland
ALPHA SHIP1 LIMITED
IrelandIE 752408

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Frequently Asked Questions

Who owns ALPHA MARINE LIMITED?

Three shareholders are currently on record for ALPHA MARINE LIMITED, held on the Annual Return (Form B1) under section 342 of the Companies Act 2014, which the register supplies only on payment. The largest of these is SIMON GREENWOOD, holding 50% — the largest recorded stake — followed by TIM GREENWOOD at 40%; the remaining 1 shareholder shown holds smaller stakes. 1 shareholder shown is a company, so the ownership chain continues above this level for that holding; the other 2 are recorded as direct individual holders, though the record carries no UBO/PSC flag confirming beneficial-owner status.

Who is ALPHA MARINE LIMITED's UBO (Ultimate Beneficial Owner)?

At least one shareholder recorded for ALPHA MARINE LIMITED is a natural person. The record carries no dedicated UBO/PSC flag, so that holder is stated here as a recorded shareholder rather than a confirmed Ultimate Beneficial Owner (UBO).

How many shareholders does ALPHA MARINE LIMITED have on record?

3 shareholders are shown on record for ALPHA MARINE LIMITED.

What is ALPHA MARINE LIMITED's company registration number?

ALPHA MARINE LIMITED's registration number is IE582939, filed with Companies Registration Office (CRO) in Ireland. Its current status on the register is active.

Is ALPHA MARINE LIMITED still an active company?

ALPHA MARINE LIMITED's status on Companies Registration Office (CRO) is listed as active.

When was ALPHA MARINE LIMITED incorporated?

ALPHA MARINE LIMITED was incorporated on 20 May 2016, according to Companies Registration Office (CRO).

What is ALPHA MARINE LIMITED's registered address?

The registered address on file for ALPHA MARINE LIMITED is Ireland.

What legal structure is ALPHA MARINE LIMITED registered as?

ALPHA MARINE LIMITED is registered as a Private limited company (Ltd.) in Ireland.

Who are the officers/directors of ALPHA MARINE LIMITED?

Three of the 5 officer records shown for ALPHA MARINE LIMITED are current appointments, filed with Companies Registration Office (CRO). SIMON GREENWOOD (appointed 2016-05-20), TIM GREENWOOD (appointed 2016-05-20) and David Ronayne (appointed 2020-11-02) all serve as Director. The remaining 2 records shown (DEBORAH DELANEY and BRENDAN DELANEY) are former appointments that have since been resigned. Management authority at ALPHA MARINE LIMITED sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.

Does ALPHA MARINE LIMITED have a parent company or subsidiaries?

ALPHA MARINE LIMITED has no recorded parent company — it sits at the top of its own group structure, with 1 subsidiary recorded beneath it across 1 jurisdiction. Those 1 subsidiary spans Ireland jurisdiction, though this list should not be read as complete — subsidiaries only become visible here where shareholder data has actually been filed with a register, so holdings in jurisdictions without that filing simply won't appear.

Can Zavia monitor changes to ALPHA MARINE LIMITED's ownership over time?

This profile reflects a point-in-time snapshot from Companies Registration Office (CRO). Zavia's monitoring API can track changes to ALPHA MARINE LIMITED's registered shareholders, officers, and group structure going forward, flagging updates as they're filed rather than requiring a manual recheck.

Can I access ALPHA MARINE LIMITED's data through an API?

Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including Ireland, so records like ALPHA MARINE LIMITED's registration, shareholder, UBO, and group-structure data can be queried programmatically instead of viewed one page at a time.

Where does this company information come from, and how current is it?

This record is sourced directly from Companies Registration Office (CRO) and was last synced on 28 October 2026.

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