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Company number
OC309508

K&L GATES LLP

Active
✓ Active company on the official register. Next accounts due 30 September 2027.

Company details

Registered name
K&L GATES LLP
Company number
OC309508
Registered office
ONE, NEW CHANGE, LONDON, EC4M 9AF
Company type
Limited Liability Partnership
Incorporated on
7 October 2004
Status
Active
Age
21 years
Previous names
K&L GATES ELLIS LLP (to 01 Jul 2008) · KIRKPATRICK & LOCKHART PRESTON GATES ELLIS LLP (to 01 Jul 2008) · KIRKPATRICK & LOCKHART NICHOLSON GRAHAM LLP (to 01 Jul 2008)
Accounts — next due
30 Sept 2027
Accounts — last made up to
31 Dec 2025
Confirmation statement — next due
02 Nov 2026
Confirmation statement — last
19 Oct 2025

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.

People with significant control

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

James Reynold Segerdahl
significant influence or control limited liability partnership
Notified 01/03/2017
Michael Stephen Caccese
significant influence or control limited liability partnership
Notified 01/03/2017
Mr Antony Griffiths
significant influence or control limited liability partnership
Notified 01/03/2017
Paul Callegari
significant influence or control limited liability partnership
Notified 06/05/2026
Sean James William Crosky
significant influence or control limited liability partnership
Notified 01/07/2026
Stacy Ackermann
significant influence or control limited liability partnership
Notified 03/06/2026
Thomas Richard Giovannelli
significant influence or control limited liability partnership
Notified 06/05/2026

Corporate structure

Who controls this company, and who they control in turn

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

Connections

Paul Callegari
born 05/1973 · England significant influence or control limited liability partnership Notified 06/05/2026
Sean James William Crosky
born 08/1976 · England significant influence or control limited liability partnership Notified 01/07/2026
Stacy Ackermann
born 10/1976 · United States significant influence or control limited liability partnership Notified 03/06/2026
Thomas Richard Giovannelli
born 08/1968 · United States significant influence or control limited liability partnership Notified 06/05/2026
James Reynold Segerdahl
born 09/1962 · United States significant influence or control limited liability partnership Control ended 11/07/2025
Michael Stephen Caccese
born 11/1954 · United States significant influence or control limited liability partnership Control ended 01/07/2026
Mr Antony Griffiths
born 11/1963 · England significant influence or control limited liability partnership Control ended 01/07/2026

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
01/07/2026 Person with significant control ceased Mr Antony Griffiths
01/07/2026 Person with significant control ceased Michael Stephen Caccese
01/07/2026 Person with significant control added Sean James William Crosky
03/06/2026 Person with significant control added Stacy Ackermann
06/05/2026 Person with significant control added Thomas Richard Giovannelli
06/05/2026 Person with significant control added Paul Callegari
11/07/2025 Person with significant control ceased James Reynold Segerdahl
01/03/2017 Person with significant control added Mr Antony Griffiths
01/03/2017 Person with significant control added Michael Stephen Caccese
01/03/2017 Person with significant control added James Reynold Segerdahl
01/07/2008 Registered name changed KIRKPATRICK & LOCKHART NICHOLSON GRAHAM LLP KIRKPATRICK & LOCKHART PRESTON GATES ELLIS LLP
01/07/2008 Registered name changed KIRKPATRICK & LOCKHART PRESTON GATES ELLIS LLP K&L GATES ELLIS LLP
01/07/2008 Registered name changed K&L GATES ELLIS LLP K&L GATES LLP

Documents for K&L GATES LLP

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Company extract£1.99

The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.

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Financial statements£3.99

Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.

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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

Data protection register

Registered with the Information Commissioner's Office as a data protection fee payer.

K&L GATES LLP — EC4M 9AF
Tier 2 · renews 06/02/2027
ICO entry

The ICO publishes no company number, so this is matched on the registered name and confirmed by the postcode. Check the ICO entry before relying on it.

Get this company via API

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Frequently asked questions

What is the company number of K&L GATES LLP?
According to the official registry, the company number of K&L GATES LLP is OC309508.
Where is K&L GATES LLP registered?
The registered office is ONE, NEW CHANGE, LONDON, EC4M 9AF.
Who controls K&L GATES LLP?
James Reynold Segerdahl is recorded as a person with significant control, and significant influence or control limited liability partnership.
When are the next accounts of K&L GATES LLP due?
The next annual accounts are due by 30 September 2027, and the last accounts were made up to 31 December 2025.

About K&L GATES LLP (OC309508)

K&L GATES LLP is a limited liability partnership incorporated on 7 October 2004 and registered in the United Kingdom under company number OC309508. Its registered office is at ONE, NEW CHANGE, LONDON, EC4M 9AF. The company is currently active , with statutory accounts last made up to 31 December 2025. , and the person with significant control is James Reynold Segerdahl. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.

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