Sia Advisory LIMITED
Registration details
Company overview
Sia Advisory LIMITED is a Private limited company (Ltd.) registered in Ireland under IE428486, and its current status with Companies Registration Office (CRO) is active. The company was incorporated on 20 October 2006 and lists its registered address as DUBLIN 2, Ireland. 4 shareholders are on record for Sia Advisory 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 27 October 2026.
Officers
5
Registry notes and limitations
The Director of Sia Advisory LIMITED currently on record is MIKE MCKAY; five officers are currently on record for Sia Advisory LIMITED, filed with Companies Registration Office (CRO).
The register reports 14 officers in total, including past appointments, though only the 5 most relevant records are shown here.
Management authority at Sia Advisory 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.
Group Structure
SIA HOLDING
France
How these relationships were recorded
Sia Advisory LIMITED sits 1 level below its ultimate parent, SIA HOLDING, registered in France. The full chain up to SIA HOLDING is derived by walking shareholder filings across jurisdictions; no link in it is independently corroborated by Sia Advisory LIMITED's own shareholder record.
Frequently asked questions
Who owns Sia Advisory LIMITED?
Four shareholders are currently on record for Sia Advisory 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 SIA PARTNERS SAS, holding 94% — a majority holding — followed by GARY O'SULLIVAN at 2%; the remaining 2 shareholders shown hold smaller stakes. 1 shareholder shown is a company, so the ownership chain continues above this level for that holding; the other 3 are recorded as direct individual holders, though the record carries no UBO/PSC flag confirming beneficial-owner status.
Who is Sia Advisory LIMITED's UBO (Ultimate Beneficial Owner)?
At least one shareholder recorded for Sia Advisory 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 Sia Advisory LIMITED have on record?
4 shareholders are shown on record for Sia Advisory LIMITED.
What is Sia Advisory LIMITED's company registration number?
Sia Advisory LIMITED's registration number is IE428486, filed with Companies Registration Office (CRO) in Ireland. Its current status on the register is active.
Is Sia Advisory LIMITED still an active company?
Sia Advisory LIMITED's status on Companies Registration Office (CRO) is listed as active.
When was Sia Advisory LIMITED incorporated?
Sia Advisory LIMITED was incorporated on 20 October 2006, according to Companies Registration Office (CRO).
What is Sia Advisory LIMITED's registered address?
The registered address on file for Sia Advisory LIMITED is DUBLIN 2, Ireland.
What legal structure is Sia Advisory LIMITED registered as?
Sia Advisory LIMITED is registered as a Private limited company (Ltd.) in Ireland.
Who are the officers/directors of Sia Advisory LIMITED?
The Director of Sia Advisory LIMITED currently on record is MIKE MCKAY; five officers are currently on record for Sia Advisory LIMITED, filed with Companies Registration Office (CRO). Management authority at Sia Advisory LIMITED sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Does Sia Advisory LIMITED have a parent company or subsidiaries?
Sia Advisory LIMITED sits 1 level below its ultimate parent, SIA HOLDING, registered in France.
Can Zavia monitor changes to Sia Advisory 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 Sia Advisory 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 Sia Advisory 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 Sia Advisory 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 27 October 2026.