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Cash

£413k

USD 557,114

-39.9% lowest in 5 filed years

Net assets

£699m

USD 941,789,177

-19% vs 2024

Employees

4

0% vs 2024

Profit before tax

£126m

USD 170,238,848

-57% vs 2024

Accounts

5-year trend · Δ = latest vs prior filed period · latest reflected 2025-12-31

Metric Trend 2020-12-312021-12-312023-12-312024-12-312025-12-31 Δ vs prior
Turnover ————— —
Operating profit £384,324-£4,000,767——— —
Profit before tax £72,883,678£149,434,330£774,076,760£293,670,540£126,336,807 -57%
Net profit £72,978,802£147,380,619£771,198,728£288,755,155£124,036,835 -57%
Cash £2,908,915£50,582,425£1,757,913£687,728£413,443 -39.9%
Total assets less current liabilities £575,608,017£689,852,154£851,876,196£862,753,703£698,915,901 -19%
Net assets ——£851,876,196£862,753,703£698,915,901 -19%
Equity £575,608,017£689,852,154£851,876,196£862,753,703£698,915,901 -19%
Average employees 00444 0%
Wages ——£110,865£87,618£96,365 +10%
Directors' remuneration ——£59,304£26,460£24,671 -6.8%
Directors' pension contributions ——£4,647—— —

Figures converted to GBP from USD at 0.742 per USD (Frankfurter spot rate) — hover any figure for the original. — 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 2020-12-312021-12-312023-12-312024-12-312025-12-31
Return on capital employed 0.1%-0.6%———
Gearing (liabilities / total assets) ——0.5%0.4%0.5%
Current ratio ——0.62x0.18x0.12x
Interest cover —-11.60x———

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 6 times since incorporation

  1. MKS SPECTRA HOLDINGS LIMITED 2019-03-06 → present
  2. MKS INTERNATIONAL HOLDINGS LIMITED 2015-12-03 → 2019-03-06
  3. MKS SPECTRA HOLDINGS LIMITED 2014-01-07 → 2015-12-03
  4. SPECTRA SENSORTECH LIMITED 1999-07-23 → 2014-01-07
  5. LEDA-MASS LIMITED 1987-10-22 → 1999-07-23
  6. MARK ATTWOOD SCIENTIFIC SOFTWARE LIMITED 1987-04-16 → 1987-10-22
  7. MIKE ATTWOOD SCIENTIFIC SOFTWARE LIMITED 1987-04-09 → 1987-04-16

Audit & accounting basis

Accounting basis
FRS 102
Reporting scope
Standalone (parent only)
Auditor
Dains Audit Limited
Audit opinion
Unqualified (clean)
Going concern
Affirmed

“Based on the work we have performed, we have not identified any material uncertainties relating to events or conditions that, individually or collectively, may cast significant doubt on the Company's ability to continue as a going concern for a period of at least twelve months”

Group structure

  1. MKS SPECTRA HOLDINGS LIMITED · parent
    1. MKS Korea Ltd 100% · South Korea
    2. MKS Instruments Holdings Ltd 100% · United Kingdom
    3. MKS Japan Inc 100% · Japan
    4. MKS Instruments Israel Ltd 100% · Israel
    5. MKS Instruments Mexico S. de R.L. de C.V. 99.99% · Mexico
    6. Spectra-Physics K.K 100% · Japan
    7. Photon Control Inc 100% · Canada
    8. Newport Spectra-Physics B.V. 100% · Netherlands
    9. Newport Opto-Technologies Pte. Ltd 100% · Singapore

Significant events

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

People

4 active · 22 resigned

Name Role Appointed Born Nationality
DONLAN, Renee Secretary 2026-06-01 — —
BELL, Alan John Lawson Director 2023-03-10 Jun 1964 American,British
FOXALL, Geoffrey Frederick Director 2016-03-29 Nov 1960 British
SABHARWAL, Mandeep Director 2022-11-16 Jul 1970 American
Show 22 resigned officers
Name Role Appointed Resigned
ATTWOOD, Mark Secretary — 1995-11-14
BURKE, Kathleen Flaherty Secretary 2005-04-15 2026-06-01
CHUTE, Richard Secretary 2000-07-31 2005-04-15
DENT, Michael John Secretary 1995-11-14 2000-07-31
ATTWOOD, Mark Director — 1998-07-01
BAGSHAW, Seth Holmes Director 2009-03-30 2016-06-03
BERTUCCI, John Director 2000-07-31 2005-04-15
BURKE, Kathleen Director 2019-01-14 2019-06-14
CHENNELL, Christopher Director — 1991-11-30
CHUTE, Richard Director 2000-07-31 2005-04-15
D'ANTILIO, Derek Director 2011-03-01 2018-12-18
DENT, Michael John Director 1994-03-23 2000-07-31
MARTIN, David Henry Director 2019-06-14 2022-11-16
MURDOCH, Alan James Director — 1999-09-30
PATERSON, Alan John Francis, Dr Director 1996-10-14 2000-07-31
ROBINSON, Timothy Roger Director 2005-04-15 2009-04-30
ROBINSON, Timothy Roger Director 1994-03-23 2000-07-31
SCHOFIELD, Judith Wendy Director 1998-07-01 2000-07-31
TAYLOR, Edward Frederick Director — 1995-05-11
TOCCI, Joseph M Director 2005-04-15 2009-03-30
WEIGNER, Ronald C Director 2010-03-02 2011-03-01
WEIGNER, Ronald C Director 2000-07-31 2011-03-01

Ownership

Persons with significant control

Name Kind Nature of control Notified Status
Mks Inc. Corporate entity Shares 75–100% 2016-04-06 Active

Filing timeline

Last 20 of 192 total filings

Material constitutional events — rename, articles re-file, resolution

  • 2023-11-22 RESOLUTIONS Resolution
Date Type Category Description
2026-09-30 AA accounts Accounts with accounts type full
2026-07-12 CS01 confirmation-statement Confirmation statement with no updates PDF
2026-06-05 TM02 officers Termination secretary company with name termination date PDF
2026-06-05 AP03 officers Appoint person secretary company with name date PDF
2025-10-03 AA accounts Accounts with accounts type full
2025-08-14 CH01 officers Change person director company with change date PDF
2025-07-02 CS01 confirmation-statement Confirmation statement with no updates PDF
2025-07-02 CH01 officers Change person director company with change date PDF
2025-07-02 CH01 officers Change person director company with change date PDF
2025-06-03 PSC05 persons-with-significant-control Change to a person with significant control PDF
2025-05-16 PSC05 persons-with-significant-control Change to a person with significant control PDF
2024-11-11 CH01 officers Change person director company with change date PDF
2024-09-19 AA accounts Accounts with accounts type full
2024-07-04 CS01 confirmation-statement Confirmation statement with no updates PDF
2023-11-22 SH19 capital Capital statement capital company with date currency figure
2023-11-22 SH20 capital Legacy
2023-11-22 CAP-SS insolvency Legacy
2023-11-22 RESOLUTIONS resolution Resolution
2023-11-20 AD03 address Move registers to sail company with new address PDF
2023-11-17 AD02 address Change sail address company with new address PDF

Public-record activity

Raw counts from Companies House — last 12–24 months

Filings
5

last 12 months

Capital events
0

last 24 months

Officers appointed
1

last 12 months

Officers resigned
1

last 12 months

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

Official Companies House page