ION TRADING TECHNOLOGIES LIMITED
ION Trading Technologies Limited is a private company limited by shares registered in Ireland under Companies Registration Office (CRO) number 526505. It was incorporated on 22 April 2013, is recorded as Active, and its registered office is at 2nd Floor, Styne House, Hatch Street Upper, Dublin 2, D02 DY27.
Per aggregated business-registry data, ION Trading Technologies Limited’s registered principal activity is classified under NACE code 74.15, “management activities of holding companies” – suggesting the entity functions as an intermediate holding/management vehicle within its corporate group rather than as a standalone software-development operation, despite its name. The company sits within the ION Group, the London-headquartered trading-technology and financial-software conglomerate; ION’s own website (iontrading.com, which now redirects to iongroup.com) markets products such as Fidessa, Openlink, Dealogic and Wallstreet Suite under the unified ION brand, but does not describe this specific Irish entity’s operational role – that description should be read as self-reported group-level marketing, not confirmation of this entity’s function.
At group level, ION Group was founded by Italian entrepreneur Andrea Pignataro in 1999 and remains under his control, according to reputable business press; that press also describes a complex, multi-jurisdictional holding structure. Pignataro was a director of this specific Irish entity from 21 May 2013 to 4 June 2014 but resigned that role over a decade ago and holds no current officer position at ION Trading Technologies Limited. Separately, in January 2023 a ransomware attack claimed by the LockBit group hit ION Cleared Derivatives, a different ION Group division, disrupting derivatives-clearing operations for dozens of clients – a verified group-level event not confirmed to involve this specific entity.
- Company fundamentals
- Corporate linkage & group structures
- Digitized company financials
- Firmographics — websites, social profiles, revenue and employee estimates
Shareholders
1
ION Trading Technologies Limited (CRO 526505, Ireland) has a single disclosed direct shareholder: ION Capital Markets UK Limited, holding 100% of the issued share capital (306 ordinary shares of EUR 1.00 each), per the company’s CRO annual-return data as at 31 December 2024. ION Capital Markets UK Limited is itself a UK-registered company (Companies House no. 11249956), incorporated 12 March 2018, active, registered at 10 Queen Street Place, London EC4R 1BE, with a stated business of “other information technology service activities.”
Ultimate beneficial ownership
No further ownership layers above ION Capital Markets UK Limited are disclosed in the sources accessible for this profile – Companies House’s persons-with-significant-control page for that UK company could not be retrieved via the tools used here, so the chain cannot be independently traced beyond the direct Irish-to-UK link. Reputable business press describes ION Capital Markets UK Limited’s ultimate parent group, ION Group, as founded and controlled by Italian entrepreneur Andrea Pignataro, reportedly through a Luxembourg holding structure in which he is said to hold a majority stake – but no source ties a specific effective ownership percentage to this Irish entity itself, and this should be read as group-level, not entity-specific, corroboration.
Data availability: Ireland’s CRO discloses the direct registered members of a private limited company (LTD) via its annual return; it does not require disclosure of ultimate beneficial owners beyond that direct shareholding on the public company file.
Sources
- Companies Registration Office (CRO), cro.ie – shareholder/annual-return data verified as at 31 Dec 2024, retrieved 9 Sep 2026
- Companies House (UK), find-and-update.company-information.service.gov.uk, company 11249956, retrieved 9 Sep 2026
- Caproasia, “Italy Fintech ION Group Founder & Billionaire…” (9 Jun 2025), caproasia.com, retrieved 9 Sep 2026
- Wikipedia, “ION Group”, en.wikipedia.org/wiki/ION_Group, retrieved 9 Sep 2026
| Shareholder | Type | Holding | Source Document |
|---|---|---|---|
| ION CAPITAL MARKETS UK LIMITED | 100% | Companies Registration Office (CRO) |
Officers
10
Per Ireland’s CRO filings, the current director of ION Trading Technologies Limited (CRO 526505) is Colm Casey, appointed 31 October 2022, recorded with a Galway, Ireland address.
Historically, Andrea Pignataro – founder of the wider ION Group – served as a director of this specific entity from 21 May 2013 to 4 June 2014; he is not a current officer of ION Trading Technologies Limited, and the CRO record does not state his nationality (nationality should not be inferred from name). Other historical officers on file include company secretaries Aram Hoare (appointed 22 Apr 2013, resigned 22 Jun 2015) and Ciaran McGloin (appointed 19 Jun 2015, resigned 2 Dec 2015), and former director Gavin Bambury (appointed 21 May 2013, resigned 10 Apr 2017).
Recent changes: Colm Casey’s appointment as director, 31 Oct 2022 (CRO). No further officer changes appear in the registry extract available for this profile.
Data availability: the CRO publishes officer appointment and resignation dates for Irish LTDs but does not publish officer nationality.
Sources
- Companies Registration Office (CRO), cro.ie, retrieved 9 Sep 2026
Registry feed — rows exactly as filed with Companies Registration Office (CRO), including entries the profile above does not cover.
Group Structure
The verified direct parent of ION Trading Technologies Limited (CRO 526505, Ireland) is ION Capital Markets UK Limited, holding 100% of the issued shares as at 31 December 2024 per CRO data. ION Capital Markets UK Limited is a UK company (Companies House no. 11249956) incorporated 12 March 2018, registered in London, with a stated activity of “other information technology service activities” – consistent with a role inside a trading-technology software group rather than an independent operating business.
Beyond that direct 100% link, ION Capital Markets UK Limited sits within the wider ION Group (also referred to in press as ION Investment Group), a London-headquartered trading-technology, risk-management and analytics software conglomerate founded in 1999 by Italian entrepreneur Andrea Pignataro, who remains its controlling figure according to reputable business press. Press reporting describes a complex, multi-jurisdictional holding structure reportedly running through a Luxembourg parent, but this profile cannot independently verify the specific intermediate entities or percentages connecting ION Capital Markets UK Limited up to that ultimate structure – that detail is presented here as general group-level context, not a confirmed chain for this Irish entity.
Main jurisdictions: Ireland (this entity), United Kingdom (direct parent); Luxembourg, Italy and the United States appear only as wider group-level context. Information as at 31 December 2024 (shareholder data) / 9 September 2026 (retrieval).
Recent group-level developments (context, not entity-specific): ION Group’s 2018 acquisition of Fidessa (~GBP 1.5bn); a January 2023 ransomware attack claimed by the LockBit group on ION Cleared Derivatives, a separate ION Group division, disrupting derivatives-clearing services for dozens of clients; and a reported EUR 280m Italian tax settlement involving Andrea Pignataro personally (2025, per Caproasia).
Country-availability: Ireland’s CRO discloses direct shareholders of an LTD; the UK’s Companies House discloses UK-incorporated parents’ filings and, where completed, persons-with-significant-control data, which was not accessible via the tools used for this profile.
Verified relationships:
- ION Trading Technologies Limited → ION Capital Markets UK Limited (direct parent, 100%, as at 31 Dec 2024)
Sources
- Companies Registration Office (CRO), cro.ie, retrieved 9 Sep 2026
- Companies House (UK), company 11249956, retrieved 9 Sep 2026
- Wikipedia, “ION Group”, retrieved 9 Sep 2026
- Caproasia (9 Jun 2025), retrieved 9 Sep 2026
- TechCrunch, “Financial software firm Ion Group battles LockBit ransomware attack” (2 Feb 2023), retrieved 9 Sep 2026
Get complete shareholder and officer records, ultimate beneficial owner resolution, and ongoing ownership monitoring.
Frequently Asked Questions
What is the exact legal name of this company?
ION TRADING TECHNOLOGIES LIMITED, registered in Ireland under Companies Registration Office (CRO) number 526505.
In which jurisdiction is it registered?
Ireland, registered with the Companies Registration Office (CRO).
What is its legal form?
A private company limited by shares (LTD).
When was it incorporated?
22 April 2013.
What is its current status?
Active, per CRO data last synced 11 August 2026.
Where is its registered office?
2nd Floor, Styne House, Hatch Street Upper, Dublin 2, D02 DY27, Ireland.
What kind of entity is it within its group?
Registry data (NACE code 74.15) classifies its principal activity as "management activities of holding companies," indicating a holding/intermediate role within the ION Group. Its wider group markets trading-technology software under the ION brand, but that operational role is not independently confirmed for this specific entity.
Who is its direct parent company?
ION Capital Markets UK Limited (UK, Companies House no. 11249956), holding 100% of shares as at 31 December 2024.
Who is the current director?
Colm Casey, appointed 31 October 2022.
Did Andrea Pignataro ever hold a role at this company?
Yes – he was a director of this Irish entity from 21 May 2013 to 4 June 2014, but resigned and holds no current officer role here. He is separately known as the founder and controlling figure of the wider ION Group.
How does this company relate to ION Group?
It sits within the ION Group corporate structure via its 100% parent, ION Capital Markets UK Limited. ION Group is a trading-technology and financial-software conglomerate founded by Andrea Pignataro.
Has the wider ION Group had any major recent incidents?
In January 2023, a ransomware attack claimed by the LockBit group hit ION Cleared Derivatives, a separate ION Group division, disrupting derivatives-clearing services for dozens of clients in Europe and the US.
What is ION TRADING TECHNOLOGIES LIMITED's company registration number?
ION TRADING TECHNOLOGIES LIMITED's registration number is IE526505, filed with Companies Registration Office (CRO) in Ireland. Its current status on the register is active.
Is ION TRADING TECHNOLOGIES LIMITED still an active company?
ION TRADING TECHNOLOGIES LIMITED's status on Companies Registration Office (CRO) is listed as active.
When was ION TRADING TECHNOLOGIES LIMITED incorporated?
ION TRADING TECHNOLOGIES LIMITED was incorporated on 22 April 2013, according to Companies Registration Office (CRO).
What is ION TRADING TECHNOLOGIES LIMITED's registered address?
The registered address on file for ION TRADING TECHNOLOGIES LIMITED is Dublin 2, Ireland.
What legal structure is ION TRADING TECHNOLOGIES LIMITED registered as?
ION TRADING TECHNOLOGIES LIMITED is registered as a Private limited company (Ltd.) in Ireland.
Can Zavia monitor changes to ION TRADING TECHNOLOGIES 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 ION TRADING TECHNOLOGIES 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 ION TRADING TECHNOLOGIES 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 ION TRADING TECHNOLOGIES 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 11 August 2026.