opendata.bot
Company number
07336229

SECOR PARTNERS (UK), LTD

Officer · CHANG, Kam Hon and 7 others
Active
✓ Active company on the official register. Next accounts due 30 September 2026.

Company details

London, England Contains OS data © Crown copyright and database right. Contains Royal Mail data © Royal Mail copyright and database right. Source: Office for National Statistics licensed under the Open Government Licence v.3.0.
Registered name
SECOR PARTNERS (UK), LTD
Company number
07336229
Registered office
1 TOWER PLACE WEST, TOWER PLACE, LONDON, EC3R 5BU, UNITED KINGDOM · 83 other companies at this postcode
Company type
Private Limited Company
Incorporated on
4 August 2010
Status
Active
Age
16 years
Nature of business (SIC)
82990 — Other business support service activities n.e.c.
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
18 Aug 2027
Confirmation statement — last
04 Aug 2026

What the register says

Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.

Companies House register snapshot, read 02/09/2026.

Officers

1 active · 7 resigned

director
Appointed 29/04/2026
Active

People with significant control

Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors

Calm Treasury Holdings Limited
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 01/05/2026
Marsh & Mclennan Companies, Inc.
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 01/05/2025
Mr Duen-Li Kao
owns 25–50% of shares · holds 25–50% of voting rights
Notified 06/04/2016
Mr Raymond Joseph Iwanowski
owns 25–50% of shares · holds 25–50% of voting rights
Notified 06/04/2016

Corporate structure

Who controls this company, and who they control in turn

4 controllers Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Corporate owner owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Notified 01/05/2026 Controls 12 companies
Marsh & Mclennan Companies, Inc. name only
owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Control ended 01/05/2026 Controls 14 companies
Mr Duen-Li Kao
born 07/1955 · United States owns 25–50% of shares · holds 25–50% of votes Control ended 01/05/2025
Mr Raymond Joseph Iwanowski
born 05/1966 · United States owns 25–50% of shares · holds 25–50% of votes Control ended 01/01/2022

Serving officers

director Appointed 29/04/2026

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
01/05/2026 Person with significant control ceased Marsh & Mclennan Companies, Inc.
01/05/2026 Person with significant control added Calm Treasury Holdings Limited
01/05/2026 Director resigned KAO, Duen-Li
29/04/2026 Director appointed CHANG, Kam Hon
01/05/2025 Person with significant control ceased Mr Duen-Li Kao
01/05/2025 Person with significant control added Marsh & Mclennan Companies, Inc.
01/01/2022 Person with significant control ceased Mr Raymond Joseph Iwanowski
12/07/2019 Corporate-secretary resigned THROGMORTON SECRETARIES LLP
06/04/2016 Person with significant control added Mr Raymond Joseph Iwanowski
06/04/2016 Person with significant control added Mr Duen-Li Kao
31/03/2016 Director resigned MANION, John Robert
30/09/2013 Director resigned BOLLIER, Thierry Francois Gilbert, Dr
31/01/2013 Director resigned DAVEY, Erik
31/01/2013 Director appointed MANION, John Robert
11/12/2012 Director appointed DAVEY, Erik
23/06/2012 Director appointed KAO, Duen-Li
10/06/2012 Director resigned WILBRINK, Jeroen Dirk Cornelis Maria
01/09/2011 Director appointed WILBRINK, Jeroen Dirk Cornelis Maria
01/09/2011 Corporate-secretary appointed THROGMORTON SECRETARIES LLP
05/07/2011 Director resigned KAO, Duen Li

Financial highlights

No figures could be read from the accounts filed on 04 Jun 2025. Companies House holds some filings only as a document image, which carries no tagged figures; the filing itself is on the register either way.

Documents for SECOR PARTNERS (UK), LTD

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Company extract£1.99

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Financial statements£3.99

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Ownership report£3.99

Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.

PDF Order

Filing history

Most recent filings

CS01 — confirmation-statement-with-updates
confirmation-statement
CH01 — change-person-director-company-with-change-date
officers
AD01 — change-registered-office-address-company-with-date-old-address-new-address
address
TM01 — termination-director-company-with-name-termination-date
officers
PSC02 — notification-of-a-person-with-significant-control
persons-with-significant-control
PSC07 — cessation-of-a-person-with-significant-control
persons-with-significant-control
TM01 — termination-director-company-with-name-termination-date
officers
AP01 — appoint-person-director-company-with-name-date
officers
CS01 — confirmation-statement-with-updates
confirmation-statement
PSC02 — notification-of-a-person-with-significant-control
persons-with-significant-control
PSC07 — cessation-of-a-person-with-significant-control
persons-with-significant-control
AA — accounts-with-accounts-type-group
accounts
AA — accounts-with-accounts-type-group
accounts
CS01 — confirmation-statement-with-no-updates
confirmation-statement
AA — accounts-with-accounts-type-group
accounts
AD01 — change-registered-office-address-company-with-date-old-address-new-address
address
AD01 — change-registered-office-address-company-with-date-old-address-new-address
address
CS01 — confirmation-statement-with-no-updates
confirmation-statement
AA — accounts-with-accounts-type-group
accounts
AD01 — change-registered-office-address-company-with-date-old-address-new-address
address
PSC04 — change-to-a-person-with-significant-control
persons-with-significant-control
PSC07 — cessation-of-a-person-with-significant-control
persons-with-significant-control
CS01 — confirmation-statement-with-no-updates
confirmation-statement
PSC04 — change-to-a-person-with-significant-control
persons-with-significant-control
PSC04 — change-to-a-person-with-significant-control
persons-with-significant-control

Data protection register

No entry found on the ICO register of fee payers under this name.

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Frequently asked questions

What is the company number of SECOR PARTNERS (UK), LTD?
According to the official registry, the company number of SECOR PARTNERS (UK), LTD is 07336229.
Where is SECOR PARTNERS (UK), LTD registered?
The registered office is 1 TOWER PLACE WEST, TOWER PLACE, LONDON, EC3R 5BU, UNITED KINGDOM.
Who runs SECOR PARTNERS (UK), LTD?
CHANG, Kam Hon is listed among the officers of SECOR PARTNERS (UK), LTD.
What is the SIC code of SECOR PARTNERS (UK), LTD?
The nature of business is recorded under SIC code 82990 — Other business support service activities n.e.c..
Who controls SECOR PARTNERS (UK), LTD?
Calm Treasury Holdings Limited is recorded as a person with significant control, and owns 75–100% of shares, holds 75–100% of voting rights, can appoint and remove directors.
When are the next accounts of SECOR PARTNERS (UK), LTD due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 December 2024.

About SECOR PARTNERS (UK), LTD (07336229)

SECOR PARTNERS (UK), LTD is a private limited company incorporated on 4 August 2010 and registered in the United Kingdom under company number 07336229. Its registered office is at 1 TOWER PLACE WEST, TOWER PLACE, LONDON, EC3R 5BU, UNITED KINGDOM. The recorded nature of business is other business support service activities n.e.c. (SIC 82990). The company is currently active , with statutory accounts last made up to 31 December 2024. 8 active officers are on record , and the person with significant control is Calm Treasury Holdings Limited. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 12 September 2026.

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