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DOLPHIN DRILLING LIMITED

Private limited company (Ltd.) Active

in

Registration No.
01017560
Incorporation Date
1971-07-13
Company Type
Private limited company (Ltd.)
Address
Eastleigh, United Kingdom
Website
www.dolphindrilling.no/
Source: Companies House

DOLPHIN DRILLING LIMITED is a Private limited company (Ltd.) registered in United Kingdom under 01017560, and its current status with Companies House is active. The company was incorporated on 13 July 1971 and lists its registered address as Eastleigh, United Kingdom. 4 shareholders are on record for DOLPHIN DRILLING LIMITED, and since every one of them is a company rather than an individual, this particular filing does not on its own establish an ultimate beneficial owner (UBO) — identifying one would mean tracing the ownership of each shareholding company in turn. This profile is sourced directly from Companies House and was last updated on 3 October 2026.

Data Provenance
This record is sourced directly from official government registries, including Companies House.

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Shareholders

4

Four shareholders are currently on record for DOLPHIN DRILLING LIMITED, held on the Confirmation Statement (CS01), filed under the Companies Act 2006.

The largest of these is DOLPHIN DRILLING FLEET CO LIMITED, holding 100% — a majority holding — followed by DOLPHIN DRILLING FLEET CO LIMITED at 100%; the remaining 2 shareholders shown hold smaller stakes.

Because every shareholder shown is a company rather than an individual, the ownership chain continues above this level, and no beneficial owner can be established from this filing alone.

Shareholder Type Holding Source Document
DOLPHIN DRILLING FLEET CO LIMITED 100% Companies House
DOLPHIN DRILLING FLEET CO LIMITED 100% Companies House
DOLPHIN DRILLING FLEET CO LIMITED 80.8% Companies House
DOLPHIN DRILLING FLEET CO LIMITED 78.4% Companies House

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Full cap table, ownership percentages, and ultimate beneficial owners resolved down to the natural person.

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Officers

5

Two of the 5 officer records shown for DOLPHIN DRILLING LIMITED are current appointments, filed with Companies House. Ingolf Gillesdal (appointed 2025-04-03) and Michael Boyd (appointed 2025-12-19) both serve as Director. The remaining 3 records shown (Bjørnar Iversen, Jon Bryce and 1 other) are former appointments that have since been resigned.

The register reports 29 officers in total, including past appointments, though only the 5 most relevant records are shown here.

Management authority at DOLPHIN DRILLING 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.

IG
Ingolf Gillesdal ACTIVE

Appointed
2025-04-03
Residence
🇳🇴 Norway
Occupation
Director

MB
Michael Boyd ACTIVE

Appointed
2025-12-19
Residence
🇬🇧 United Kingdom
Occupation
Director

BI
Bjørnar Iversen RESIGNED

Appointed
2019-05-09
Resigned
2025-02-06
Residence
🇳🇴 Norway
Occupation
Director

JB
Jon Bryce RESIGNED

Appointed
2025-02-06
Resigned
2025-12-19
Residence
🇬🇧 United Kingdom
Occupation
Director

SC
Stephen Cox RESIGNED

Appointed
2019-11-11
Resigned
2025-04-03
Residence
🇬🇧 United Kingdom
Occupation
Company Secretary

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Group Structure

DOLPHIN DRILLING LIMITED sits 2 levels below its ultimate parent, Dolphin Drilling AS, registered in Norway. 4 subsidiaries are recorded beneath it, across 4 jurisdictions. The full chain up to Dolphin Drilling AS is derived by walking shareholder filings across jurisdictions; no link in it is independently corroborated by DOLPHIN DRILLING LIMITED's own shareholder record. 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 4 subsidiaries span United Kingdom, Mozambique, Norway, India jurisdictions, 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. Two of the 4 go a level deeper still, with their own further subsidiaries recorded beneath them — additional ownership layers this view doesn't expand.

Ultimate HQ
Dolphin Drilling AS
Norway
Dolphin Drilling Ltd (Moz Branch)
Mozambique#0668847985

DOLPHIN DRILLING OFFSHORE LIMITED+ subsidiaries
United KingdomGB 12795706

Dolphin Drilling Ltd+ subsidiaries
NorwayNO 975648184

DOLPHIN DRILLING LIMITED
IndiaIN AABCD8263C

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Map the complete corporate hierarchy: parent companies, subsidiaries, and cross-border ownership chains.

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Frequently Asked Questions

Who owns DOLPHIN DRILLING LIMITED?

Four shareholders are currently on record for DOLPHIN DRILLING LIMITED, held on the Confirmation Statement (CS01), filed under the Companies Act 2006. The largest of these is DOLPHIN DRILLING FLEET CO LIMITED, holding 100% — a majority holding — followed by DOLPHIN DRILLING FLEET CO LIMITED at 100%; the remaining 2 shareholders shown hold smaller stakes. Because every shareholder shown is a company rather than an individual, the ownership chain continues above this level, and no beneficial owner can be established from this filing alone.

Who is DOLPHIN DRILLING LIMITED's UBO (Ultimate Beneficial Owner)?

Every shareholder recorded for DOLPHIN DRILLING LIMITED is itself a company rather than a natural person, so no Ultimate Beneficial Owner (UBO) is identified at this level; establishing one would require tracing the ownership of each shareholding company in turn.

How many shareholders does DOLPHIN DRILLING LIMITED have on record?

4 shareholders are shown on record for DOLPHIN DRILLING LIMITED.

What is DOLPHIN DRILLING LIMITED's company registration number?

DOLPHIN DRILLING LIMITED's registration number is 01017560, filed with Companies House in United Kingdom. Its current status on the register is active.

Is DOLPHIN DRILLING LIMITED still an active company?

DOLPHIN DRILLING LIMITED's status on Companies House is listed as active.

When was DOLPHIN DRILLING LIMITED incorporated?

DOLPHIN DRILLING LIMITED was incorporated on 13 July 1971, according to Companies House.

What is DOLPHIN DRILLING LIMITED's registered address?

The registered address on file for DOLPHIN DRILLING LIMITED is Eastleigh, United Kingdom.

What legal structure is DOLPHIN DRILLING LIMITED registered as?

DOLPHIN DRILLING LIMITED is registered as a Private limited company (Ltd.) in United Kingdom.

Who are the officers/directors of DOLPHIN DRILLING LIMITED?

Two of the 5 officer records shown for DOLPHIN DRILLING LIMITED are current appointments, filed with Companies House. Ingolf Gillesdal (appointed 2025-04-03) and Michael Boyd (appointed 2025-12-19) both serve as Director. The remaining 3 records shown (Bjørnar Iversen, Jon Bryce and 1 other) are former appointments that have since been resigned. Management authority at DOLPHIN DRILLING LIMITED sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.

Does DOLPHIN DRILLING LIMITED have a parent company or subsidiaries?

DOLPHIN DRILLING LIMITED sits 2 levels below its ultimate parent, Dolphin Drilling AS, registered in Norway. 4 subsidiaries are recorded beneath it, across 4 jurisdictions. Those 4 subsidiaries span United Kingdom, Mozambique, Norway, India jurisdictions, 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. Two of the 4 go a level deeper still, with their own further subsidiaries recorded beneath them — additional ownership layers this view doesn't expand.

Can Zavia monitor changes to DOLPHIN DRILLING LIMITED's ownership over time?

This profile reflects a point-in-time snapshot from Companies House. Zavia's monitoring API can track changes to DOLPHIN DRILLING 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 DOLPHIN DRILLING LIMITED's data through an API?

Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including United Kingdom, so records like DOLPHIN DRILLING 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 House and was last synced on 3 October 2026.

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