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Cash

£45M

+276.5% highest in 3 filed years

Net assets

£20M

-20.3% vs 2024

Employees

176

-60.4% lowest in 3 filed years

Profit before tax

-£38M

+32.3% highest in 3 filed years

Watchouts

Facts from the Companies House register and the latest accounts — not a rating

Accounts

3-year trend · Δ = latest vs prior filed period · latest reflected 2025-06-28

Metric Trend 2023-07-022024-06-292025-06-28 Δ vs prior
Turnover £241,099,000£89,371,000£107,594,000 +20.4%
Operating profit -£63,234,000-£56,391,000-£40,503,000 +28.2%
Profit before tax -£62,856,000-£56,036,000-£37,930,000 +32.3%
Net profit -£63,230,000-£56,276,000-£5,103,000 +90.9%
Cash £14,458,000£12,003,000£45,189,000 +276.5%
Total assets less current liabilities £4,827,000£25,170,000£21,351,000 -15.2%
Net assets £2,897,000£25,151,000£20,048,000 -20.3%
Equity £2,897,000£25,151,000£20,048,000 -20.3%
Average employees 499444176 -60.4%
Wages £26,707,000£23,892,000£21,801,000 -8.8%
Directors' remuneration £246,000£370,000£228,000 -38.4%

Values shown as filed in the company's annual accounts. indicates the figure wasn't present under that line item in that period. The Δ column is the change from the prior filed period as a percentage of |prior|; lines a company doesn't report show . About these numbers

Ratios

Computed from the line items above — sparklines read oldest → newest

Ratio Trend 2023-07-022024-06-292025-06-28
Operating margin -26.2%-63.1%-37.6%
Net margin -26.2%-63.0%-4.7%
Return on capital employed -1310.0%-224.0%-189.7%
Gearing (liabilities / total assets) 90.4%92.6%
Current ratio 0.89x0.82x0.59x

Margins divide P&L lines by turnover. Gearing is liabilities over total assets. Current ratio is current assets over creditors falling due within one year. Interest cover is operating profit over absolute finance costs. Sector-distribution context coming next.

Name history

Renamed 4 times since incorporation

  1. LUMENTUM TECHNOLOGY UK LIMITED 2019-06-03 → present
  2. OCLARO TECHNOLOGY LIMITED 2010-06-30 → 2019-06-03
  3. OCLARO TECHNOLOGY PLC 2009-07-25 → 2010-06-30
  4. BOOKHAM TECHNOLOGY PLC 1988-12-14 → 2009-07-25
  5. COLESLAW 145 LIMITED 1988-09-22 → 1988-12-14

Audit & accounting basis

Accounting basis
FRS 102
Reporting scope
Standalone (parent only)
Auditor
Grant Thornton UK LLP
Audit opinion
Qualified
Going concern
Affirmed

“We have concluded that the use of the going concern basis of accounting is appropriate and that there are no material uncertainties disclosed by the directors that may cast significant doubt on the company's ability to continue as a going concern.”

Group structure

  1. LUMENTUM TECHNOLOGY UK LIMITED · parent
    1. Bookham International Ltd 100% · United Kingdom · Immediate holding co.
    2. Oclaro Technology (Shenzhen) Co. Ltd 100% · China · Manufacturing and distribution.
    3. Oclaro (Malaysia) Sdn Bhd 100% · Malaysia · Contract management support services.

Significant events

Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers

People

3 active · 40 resigned

Name Role Appointed Born Nationality
KIM, Jae Secretary 2024-04-08
BIRD & BIRD COMPANY SECRETARIES LIMITED Corporate Secretary 2024-09-10
CHANG, Eric Director 2026-04-15 Feb 1973 American
Show 40 resigned officers
Name Role Appointed Resigned
BORDER, Keith Geoffrey Secretary 2017-11-17 2020-11-02
BORDER, Keith Geoffrey Secretary 2009-02-18 2012-08-06
COCKRELL, Stephen John Secretary 2000-01-25 2000-12-31
DAVIS, Philip Stephen James Secretary 2001-01-30 2005-04-01
HAMEL, Judy Godin, Mrs. Secretary 2020-11-03 2024-04-08
HAYNES, James Douglas Secretary 2013-11-11 2017-11-15
LETHBY, Neil Secretary 1996-06-28 1998-03-13
PILLMAN, Joseph Charles Secretary 2000-12-31 2001-01-30
PILLMAN, Joseph Charles Secretary 1998-03-16 2000-01-25
RICKMAN, Nichola Jane Secretary 1996-06-28
RUNDLE, Catherine Hunt Secretary 2007-12-19 2009-02-18
TURIN, Jerry Secretary 2013-08-06 2013-11-11
ZORIN, Jacobin Michelle Secretary 2005-04-01 2007-10-31
ABELY, Stephen Michael Director 2004-09-10 2008-07-31
ANANIA, Giorgio, Dr. Director 2001-02-14 2007-02-13
BORDER, Keith Geoffrey Director 2017-11-03 2020-11-03
BORDER, Keith Geoffrey Director 2007-12-20 2013-08-06
BORDUI, Peter Frank Director 2004-03-08 2004-09-10
BOYLE, James Andrew Director 2024-12-05 2026-06-19
COOK, Joseph C Director 2002-02-14 2004-09-10
DAVIS, Philip Stephen James Director 2004-09-10 2005-04-01
FU, Winston S, Dr Director 2004-03-08 2004-09-10
HAYNES, James Douglas Director 2013-11-11 2017-11-03
HOLLAND, Lori Director 1999-04-28 2004-09-10
KELLEY, Thomas Director 2005-04-01 2007-12-19
KILBY, Jack St,Clair Director 2000-01-25 2004-03-08
LETHBY, Neil Director 1995-07-10 1998-03-13
MCDONNELL, Myra, Ms. Director 2021-03-16 2023-01-27
MILLER, Graham Courtney Charles Director 1995-10-16 2001-12-31
PAVONE, Salvatore Director 2023-01-27 2024-09-06
POMROY, Denis Director 1996-09-17 2000-08-08
PORTER, Wilbur Arthur, Dr Director 1998-02-24 2004-09-10
RICKMAN, Andrew George, Dr Director 2004-09-10
RICKMAN, Nichola Jane Director 1995-08-10
RICKMAN, Robert James Director 1994-09-20 2004-09-10
RUNDLE, Catherine Hunt Director 2007-12-19 2013-08-06
SANDS, Eric Ian Richard Director 1996-04-19 1996-06-14
SEPE, Matthew Joseph, Mr. Director 2020-11-03 2026-04-15
SIMPSON, David, Dr Director 1995-03-01 2004-06-02
TURIN, Jerry Director 2008-08-01 2013-11-11

Ownership

Persons with significant control

Name Kind Nature of control Notified Status
Oclaro Innovations Llp Corporate entity Shares 75–100%, Voting 75–100%, Appoints directors 2016-04-06 Active

Filing timeline

Last 20 of 645 total filings

Date Type Category Description
2026-06-19 TM01 officers Termination director company with name termination date PDF
2026-06-06 AA accounts Accounts with accounts type full
2026-04-24 AP01 officers Appoint person director company with name date PDF
2026-04-17 TM01 officers Termination director company with name termination date PDF
2025-10-10 CH01 officers Change person director company with change date PDF
2025-10-10 CS01 confirmation-statement Confirmation statement with updates PDF
2025-07-21 AA accounts Accounts with accounts type full
2024-12-09 AP01 officers Appoint person director company with name date PDF
2024-11-20 PSC05 persons-with-significant-control Change to a person with significant control PDF
2024-11-20 AD01 address Change registered office address company with date old address new address PDF
2024-11-20 AP04 officers Appoint corporate secretary company with name date PDF
2024-09-24 CS01 confirmation-statement Confirmation statement with updates PDF
2024-09-17 TM01 officers Termination director company with name termination date PDF
2024-07-08 SH01 capital Capital allotment shares
2024-04-16 AP03 officers Appoint person secretary company with name date PDF
2024-04-16 TM02 officers Termination secretary company with name termination date PDF
2024-02-08 AA accounts Accounts with accounts type full
2023-09-08 CS01 confirmation-statement Confirmation statement with no updates PDF
2023-06-12 AA accounts Accounts with accounts type full
2023-02-09 TM01 officers Termination director company with name termination date PDF

Public-record activity

Raw counts from Companies House — last 12–24 months

Filings
7

last 12 months

Capital events
1

last 24 months

Officers appointed
1

last 12 months

Officers resigned
2

last 12 months

Direct counts from the register. No score, no rating — see the Filing timeline for the underlying events.

Official Companies House page