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Aion Silicon Holdings Limited

07275279

active
ltd
england wales
Companies House
Health Score
76 / 100

Some Concerns

30/30
Filing
10/30
Financial
36/40
Risk
  • Going concern doubt noted in accounts (-10)
  • 2 outstanding charges (-4)

Details

33 Great Portland Street, London, W1W 8QG
Incorporated 07/06/2010

Previously known as

Sondrel (Holdings) Limited · until 11/11/2025
Sondrel (Holdings) Plc · until 27/08/2024
Sondrel (Holdings) Ltd · until 13/09/2022

Compliance

Last accounts

31/12/2025

full

Next accounts due

30/09/2027

On track

Confirmation statement

Last: 20/06/2026

Due 04/07/2027

On track

Industry

70100
Activities of head offices

Officers

Mr David John Mitchard

director · Since 17/06/2024

NON-EXECUTIVE DIRECTOR

BRITISH · ENGLAND · Age 60

Also on 3 other boards

Mr Miles Woodhouse

director · Since 17/06/2024

NON-EXECUTIVE DIRECTOR

BRITISH · PORTUGAL · Age 52

Mr Oliver William Adam Jones

director · Since 06/11/2024

CEO

BRITISH · ENGLAND · Age 45

Also on 2 other boards

Mr Mark Steven Julio

director · Since 06/11/2024

CFO

BRITISH · ENGLAND · Age 48

Also on 3 other boards

Mr Oreste Donzella

director · Since 01/01/2025

DIRECTOR

AMERICAN,ITALIAN · ENGLAND · Age 60

Mrs Lauren Sinclair Knox

director · Since 10/02/2026

BRITISH · SOUTH AFRICA · Age 41

David John Mitchard

director · Since 17/06/2024

British · England · Age 60

Miles Woodhouse

director · Since 17/06/2024

British · Portugal · Age 52

Mark Steven Julio

director · Since 06/11/2024

British · England · Age 48

Oliver William Adam Jones

director · Since 06/11/2024

British · England · Age 45

Oreste Donzella

director · Since 01/01/2025

American,Italian · England · Age 60

Lauren Sinclair Knox

director · Since 10/02/2026

British · South Africa · Age 41

Former

Hilary Gail Rico

secretary · Resigned 13/09/2022

Jose Robert Lopez

director · Resigned 20/09/2023

Gordon Robert Halyburton Orr

director · Resigned 05/01/2024

Nigel Leslie Richard Vaughan

director · Resigned 13/06/2024

Sherry Anne Madera

director · Resigned 21/08/2024

One Advisory Limited

corporate secretary · Resigned 31/08/2024

Adrian Courtney Carey

director · Resigned 30/09/2024

John James Chubb

director · Resigned 31/10/2024

Graham Stephen Curren

director · Resigned 08/04/2025

Persons with Significant Control

Rox Technologies Ltd

50–75% shares
50–75% votes
Appoint directors

33, Great Portland Street, London, W1W 8QG

Reg: 15741689 · Register Of Companies · Limited Liability Company

Notified 12/11/2024

Former PSCs

Graham Stephen Curren

Ceased 14/06/2024

Rox Equity Partners Limited

Ceased 12/11/2024

Charges2 outstanding

Charge
outstanding

ROX TECHNOLOGIES LTD

Created 12/11/2024Registered 14/11/2024
Charge
outstanding

ROX EQUITY PARTNERS LIMITED

Created 05/03/2024Registered 12/03/2024
Charge
satisfied

HSBC UK BANK PLC

Created 22/10/2020Registered 28/10/2020Satisfied 10/08/2022
Charge
satisfied

HSBC BANK PLC

Created 18/07/2014Registered 18/07/2014Satisfied 01/03/2024

Change History

officer appointedDONZELLA, Oreste
2026-08-27
officer appointedJONES, Oliver William Adam
2026-08-27
officer appointedJULIO, Mark Steven
2026-08-27
officer appointedKNOX, Lauren Sinclair
2026-08-27
officer appointedMITCHARD, David John
2026-08-27
officer appointedWOODHOUSE, Miles
2026-08-27
statusactive
2026-08-27

Active

typeltd
2026-08-27

Private Limited Company

address line133 Great Portland Street
2026-08-27

33 GREAT PORTLAND STREET

post townLondon
2026-08-27

LONDON

CompanyRankvs 6593+ SIC 70100 peers
39

Financial strength98th percentile among SIC peers · 25/25
Employees15th percentile among SIC peers · 2/15
LiquidityCurrent ratio -1.62× · 2/20
Longevity15 years trading (max 15) · 15/15
Filing complianceAll filings up to date · 15/15
Going concern doubt -10Outstanding charges -10
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How is this score calculated?
Financial strength25/25 pts

Net worth compared to all companies in the same SIC code with published accounts. Top quartile earns the full 25 points.

Employees2/15 pts

Workforce size relative to sector peers from the most recent accounts. A larger team generally signals commercial scale.

Liquidity2/20 pts

Current assets ÷ current liabilities. A ratio above 2× earns full marks; between 1–2× scores partially; below 0.5× scores minimal points.

Longevity15/15 pts

One point per year of operation since incorporation, capped at 15. Older companies have a proven track record.

Filing compliance15/15 pts

Full 15 points when both annual accounts and confirmation statement are filed on time. Points are deducted for each overdue filing.

Risk deductions

Going concern doubt: -10 pts

Outstanding charges: -10 pts

Maximum score is 100. Deductions apply for insolvency history, outstanding charges, going concern doubt, or disqualified officers.

Going Concern Doubt

responsibilities in accordance with these requirements. We believe that the audit evidence we have obtained is sufficient and appropriate to provide a basis for our opinion. Conclusions relating to going concern We are responsible for concluding on the appropriateness of the directors' use of the going concern basis of accounting and, based on the audit evidence obtained, whether a material uncert

Key FinancialsYear ending 31/12/2025

Net Worth

£27.1M

Balance sheet strength

Cash

£7k

Cash in the bank

Net Current Assets

Working capital

Current Assets

£266k

Current Liabilities

-£164k

Fixed Assets

£27.0M

Debtors

£1.3M

Profit After Tax

£22.0M

0avg. employees

People Costs

Wages & salaries£490k
NI contributions£65k

Balance Sheet

Total assets£27.2M
Prepared with Caseware UK (AP4) 2024.0.164

EstimatesDerived

YearCurrent RatioImplied Profit
20251.62+£0
20251.62

Derived from filed accounts. Not audited figures.

Filing History100 filings

Accounts filed

accounts with accounts type full

28/07/202671 pages · PDF
Confirmation statement

confirmation statement with updates

25/06/202615 pages · PDF
Director appointed

appoint person director company with name date

19/02/20262 pages · PDF
Director details changed

change person director company with change date

10/02/20262 pages · PDF
CERTNM

certificate change of name company

11/11/20252 pages · PDF
Accounts filed

accounts with accounts type group

06/10/202562 pages · PDF
Shares allotted

capital allotment shares

22/09/20254 pages · PDF
Shares allotted

capital allotment shares

27/07/20254 pages · PDF
Shares allotted

capital allotment shares

25/07/20254 pages · PDF
MA

memorandum articles

10/07/202548 pages · PDF
RESOLUTIONS

resolution

10/07/20252 pages · PDF
Confirmation statement

confirmation statement with updates

03/07/202511 pages · PDF
AD04

move registers to registered office company with new address

03/07/20251 page · PDF
RP04SH01

second filing capital allotment shares

17/06/20256 pages · PDF
RP04SH01

second filing capital allotment shares

21/05/20256 pages · PDF
Director details changed

change person director company with change date

15/05/20252 pages · PDF
Director details changed

change person director company with change date

15/05/20252 pages · PDF
Director details changed

change person director company with change date

15/05/20252 pages · PDF
Director details changed

change person director company with change date

15/05/20252 pages · PDF
Address changed

change registered office address company with date old address new address

15/05/20251 page · PDF
Director resigned

termination director company with name termination date

14/04/20251 page · PDF
Shares allotted

capital allotment shares

18/03/20253 pages · PDF
Director appointed

appoint person director company with name date

02/01/20252 pages · PDF
Shares allotted

capital allotment shares

18/12/20243 pages · PDF
RESOLUTIONS

resolution

17/12/20242 pages · PDF
Shares allotted

capital allotment shares

25/11/20243 pages · PDF
PSC05

change to a person with significant control

25/11/20242 pages · PDF
PSC02

notification of a person with significant control

15/11/20242 pages · PDF
PSC07

cessation of a person with significant control

15/11/20241 page · PDF
MR01

mortgage create with deed with charge number charge creation date

14/11/202432 pages · PDF
Director appointed

appoint person director company with name date

07/11/20242 pages · PDF
Director appointed

appoint person director company with name date

07/11/20242 pages · PDF
Director resigned

termination director company with name termination date

04/11/20241 page · PDF
Director resigned

termination director company with name termination date

15/10/20241 page · PDF
PSC05

change to a person with significant control

18/09/20242 pages · PDF
TM02

termination secretary company with name termination date

02/09/20241 page · PDF
Director resigned

termination director company with name termination date

30/08/20241 page · PDF
RESOLUTIONS

resolution

27/08/20241 page · PDF
RR02

reregistration public to private company

27/08/20242 pages · PDF
CERT10

certificate re registration public limited company to private

27/08/20241 page · PDF
MAR

re registration memorandum articles

27/08/202444 pages · PDF
Accounts filed

accounts with accounts type group

Director appointed

appoint person director company with name date

23/07/20242 pages · PDF
RESOLUTIONS

resolution

10/07/20243 pages · PDF
Confirmation statement

confirmation statement with no updates

03/07/20243 pages · PDF
PSC07

cessation of a person with significant control

26/06/20241 page · PDF
PSC02

notification of a person with significant control

26/06/20242 pages · PDF
Director resigned

termination director company with name termination date

19/06/20241 page · PDF
Director appointed

appoint person director company with name date

18/06/20242 pages · PDF
Director appointed

appoint person director company with name date

18/06/20242 pages · PDF
Shares allotted

capital allotment shares

14/06/20243 pages · PDF
RESOLUTIONS

resolution

04/06/20242 pages · PDF
RESOLUTIONS

resolution

30/03/20242 pages · PDF
MR01

mortgage create with deed with charge number charge creation date

12/03/202430 pages · PDF
MR04

mortgage satisfy charge full

01/03/20241 page · PDF
Director resigned

termination director company with name termination date

15/01/20241 page · PDF
Director resigned

termination director company with name termination date

25/09/20231 page · PDF
RESOLUTIONS

resolution

11/07/20233 pages · PDF
Accounts filed

accounts with accounts type group

06/07/202386 pages · PDF
Confirmation statement

confirmation statement with updates

30/06/20233 pages · PDF
AD03

move registers to sail company with new address

21/11/20221 page · PDF
AD02

change sail address company with new address

21/11/20221 page · PDF
Confirmation statement

confirmation statement with updates

09/11/20225 pages · PDF
SH08

capital name of class of shares

21/10/20222 pages · PDF
MA

memorandum articles

21/10/202297 pages · PDF
SH10

capital variation of rights attached to shares

21/10/20222 pages · PDF
RESOLUTIONS

resolution

21/10/20221 page · PDF
PSC changed

change to a person with significant control

21/10/20222 pages · PDF
Shares allotted

capital allotment shares

21/10/20223 pages · PDF
Shares allotted

capital allotment shares

21/10/20223 pages · PDF
Director appointed

appoint person director company with name date

21/10/20222 pages · PDF
Director appointed

appoint person director company with name date

21/10/20222 pages · PDF
Director appointed

appoint person director company with name date

21/10/20222 pages · PDF
Director appointed

appoint person director company with name date

21/10/20222 pages · PDF
RESOLUTIONS

resolution

17/10/20222 pages · PDF
RESOLUTIONS

resolution

17/10/20222 pages · PDF
Accounts filed

accounts with accounts type group

05/10/202244 pages · PDF
RESOLUTIONS

resolution

16/09/20223 pages · PDF
TM02

termination secretary company with name termination date

14/09/20221 page · PDF
AUDR

auditors report

13/09/20221 page · PDF
RESOLUTIONS

resolution

13/09/20221 page · PDF
BS

accounts balance sheet

13/09/20224 pages · PDF
AUDS

auditors statement

13/09/20221 page · PDF
CERT5

certificate re registration private to public limited company

13/09/20221 page · PDF
MAR

re registration memorandum articles

13/09/202214 pages · PDF
RR01

reregistration private to public company appoint secretary

13/09/20225 pages · PDF
Shares allotted

capital allotment shares

09/09/20224 pages · PDF
Shares allotted

capital allotment shares

10/08/20228 pages · PDF
RESOLUTIONS

resolution

10/08/20221 page · PDF
MR04

mortgage satisfy charge full

10/08/20221 page · PDF
RP04SH01

second filing capital allotment shares

05/08/20224 pages · PDF
RESOLUTIONS

resolution

23/06/20222 pages · PDF
PSC changed

change to a person with significant control

16/06/20222 pages · PDF
Accounts filed

accounts with accounts type group

07/02/202244 pages · PDF
Confirmation statement

confirmation statement with no updates

11/11/20213 pages · PDF
Accounts filed

accounts with accounts type group

11/01/202142 pages · PDF
Confirmation statement

confirmation statement with no updates

03/11/20203 pages · PDF
MR01

mortgage create with deed with charge number charge creation date

28/10/202024 pages · PDF
Confirmation statement

confirmation statement with no updates

14/11/20193 pages · PDF
Accounts filed

accounts with accounts type group

09/10/201935 pages · PDF