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Cash

£104M

USD 138,298,000

+6.4% highest in 3 filed years

Net assets

£54M

USD 72,086,000

+9.6% vs 2024

Employees

Average over period

Profit before tax

£3.5M

USD 4,681,000

-98.2% lowest 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 2025-12-31

Metric Trend 2023-12-312024-12-312025-12-31 Δ vs prior
Turnover
Operating profit £3,479,563£1,579,578£209,612 -86.7%
Profit before tax £197,835,754£194,634,676£3,504,267 -98.2%
Net profit £150,502,321£184,202,725£4,720,767 -97.4%
Cash £1,615,511£97,301,243£103,531,966 +6.4%
Total assets less current liabilities £50,682,737£55,461,147 +9.4%
Net assets £4,621,885,761£49,243,899£53,964,665 +9.6%
Equity £4,621,885,761£49,243,899£53,964,665 +9.6%
Average employees 00
Wages
Directors' remuneration £0£0

Figures converted to GBP from USD at 0.749 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 2023-12-312024-12-312025-12-31
Return on capital employed 3.1%0.4%
Gearing (liabilities / total assets) 54.0%53.5%
Current ratio 99.50x1.74x1.80x
Interest cover 0.18x

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 1 time since incorporation

  1. SYNEXUS CLINICAL RESEARCH TOPCO LIMITED 2015-06-16 → present
  2. BROOMCO (4277) LIMITED 2015-01-14 → 2015-06-16

Audit & accounting basis

Accounting basis
FRS 101
Reporting scope
Standalone (parent only)
Auditor
PEM Audit Limited
Audit opinion
Unqualified (clean)
Going concern
Affirmed

“Accordingly, the directors continue to adopt the going concern basis in preparing the financial statements. The directors have not identified any material uncertainties that would cast significant doubt on the Company's ability to continue as a going concern.”

Group structure

  1. SYNEXUS CLINICAL RESEARCH TOPCO LIMITED · parent
    1. Abingworth Bioventures VII LLP 3.17% · United Kingdom
    2. Abingworth Bioventures VIII LLP 1.07% · United Kingdom
    3. Abingworth Clinical Co-Development Fund 2 LP 1.72% · United Kingdom

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

People

6 active · 13 resigned

Name Role Appointed Born Nationality
OAKWOOD CORPORATE SECRETARY LIMITED Corporate Secretary 2022-11-29
AHMED, Syed Waqas Director 2023-03-29 Nov 1979 British
CAMERON, Euan Daney Ross Director 2023-03-29 Mar 1976 British
GREEN, Georgina Adams Director 2024-04-18 Mar 1970 British
SMITH, Anthony Hugh Director 2023-03-29 May 1962 American
STARR, Alison Jane Director 2024-04-18 Jan 1977 British
Show 13 resigned officers
Name Role Appointed Resigned
GREGG, Rhona Secretary 2022-11-29 2026-03-31
BERTHOUX, Christophe Director 2015-01-14 2016-05-31
BRAHAM, Simon Benjamin Director 2015-03-20 2016-05-31
CHAMBERS, Paul Michael Director 2015-03-20 2016-05-31
EVANS, Hywel Director 2015-03-20 2016-05-31
GOULD, Gerard Director 2015-03-20 2016-05-31
HARRIS, Richard Stuart Director 2021-06-30 2023-03-29
HARTMAN, Brainard Judd Director 2016-05-31 2020-03-19
JAMES, Julia Mary Director 2016-05-31 2023-05-24
NEILD, Christopher David Director 2016-05-31 2020-03-19
NORMAN, David John Director 2023-03-29 2024-04-18
TONDER, Riaan Van Director 2020-03-13 2021-06-30
WOLER, Charles Director 2015-03-20 2016-05-31

Ownership

Persons with significant control

Name Kind Nature of control Notified Status
Thermo Fisher Scientific Inc. Corporate entity Shares 75–100%, Voting 75–100%, Appoints directors 2024-12-10 Active
Wildcat Acquisition Holdings (Uk) Limited Corporate entity Shares 75–100%, Voting 75–100%, Appoints directors 2016-08-31 Ceased 2024-12-10

Filing timeline

Last 20 of 91 total filings

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

  • 2024-09-04 RESOLUTIONS Resolution
  • 2023-09-14 RESOLUTIONS Resolution
  • 2023-08-25 RESOLUTIONS Resolution
Date Type Category Description
2026-06-25 AA accounts Accounts with accounts type full
2026-04-01 TM02 officers Termination secretary company with name termination date PDF
2026-01-27 CS01 confirmation-statement Confirmation statement with no updates PDF
2026-01-23 PSC07 persons-with-significant-control Cessation of a person with significant control PDF
2026-01-23 PSC02 persons-with-significant-control Notification of a person with significant control PDF
2025-07-07 AA accounts Accounts with accounts type full
2025-01-14 CS01 confirmation-statement Confirmation statement with updates PDF
2024-09-04 SH19 capital Capital statement capital company with date currency figure
2024-09-04 SH20 capital Legacy
2024-09-04 CAP-SS insolvency Legacy
2024-09-04 RESOLUTIONS resolution Resolution
2024-09-04 AA accounts Accounts with accounts type full
2024-04-23 AP01 officers Appoint person director company with name date PDF
2024-04-19 AP01 officers Appoint person director company with name date PDF
2024-04-19 TM01 officers Termination director company with name termination date PDF
2024-01-15 CS01 confirmation-statement Confirmation statement with updates PDF
2023-09-19 SH01 capital Capital allotment shares PDF
2023-09-14 RESOLUTIONS resolution Resolution
2023-08-25 RESOLUTIONS resolution Resolution
2023-08-21 SH01 capital Capital allotment shares PDF

Public-record activity

Raw counts from Companies House — last 12–24 months

Filings
6

last 12 months

Capital events
2

last 24 months

Officers appointed
0

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