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Subatomic Solutions Limited

05980909

active
ltd
england wales
Companies House
Health Score
80 / 100

Healthy

30/30
Filing
10/30
Financial
40/40
Risk
  • Going concern doubt noted in accounts (-10)

Details

46 Bunbury Road, Birmingham, B31 2DW
Incorporated 27/10/2006

Compliance

Last accounts

31/03/2025

total exemption full

Next accounts due

31/12/2026

On track

Confirmation statement

Last: 23/10/2025

Due 06/11/2026

On track

Industry

62012
Business and domestic software development
70229
Management consultancy activities
74909
Other professional, scientific and technical activities

Officers

Zoe Fiona Mcarthur

secretary · Since 27/10/2006

British

James Mcarthur

director · Since 27/10/2006

British · United Kingdom · Age 45

Zoe Fiona Mcarthur

director · Since 05/01/2016

British · England · Age 41

Persons with Significant Control

Mrs Zoe Fiona Mcarthur

25–50% shares
25–50% votes

British · England · Age 41

46, Bunbury Road, Birmingham, B31 2DW

Notified 06/04/2016

Mr James Mcarthur

25–50% shares
25–50% votes
Appoint directors
right-to-appoint-and-remove-directors-as-firm

British · United Kingdom · Age 45

46, Bunbury Road, Birmingham, B31 2DW

Notified 06/04/2016

Change History

statusactive
2026-06-05

Active

typeltd
2026-06-05

Private Limited Company

address line146 Bunbury Road
2026-06-05

46 BUNBURY ROAD

post townBirmingham
2026-06-05

BIRMINGHAM

officer appointedMCARTHUR, Zoe Fiona
2026-06-05
officer appointedMCARTHUR, James
2026-06-05
officer appointedMCARTHUR, Zoe Fiona
2026-06-05

CompanyRankvs 948+ SIC 62012 peers
76

Financial strength99th percentile among SIC peers · 25/25
Employees71th percentile among SIC peers · 11/15
LiquidityCurrent ratio 18.14× · 20/20
Longevity15 years trading (max 15) · 15/15
Filing complianceAll filings up to date · 15/15
Going concern doubt -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.

Employees11/15 pts

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

Liquidity20/20 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

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

Going Concern Doubt

the UK and Republic of Ireland” including the provisions of Section 1A “Small Entities” and the Companies Act 2006. The financial statements have been prepared under the historic cost convention. Going concern In preparing these financial statements, the directors have assessed whether there are any material uncertainties related to events or conditions that cast significant doubt upon the comp

Key FinancialsYear ending 31/03/2025

Net Worth

£3.0M

Balance sheet strength

Cash

£637k

Cash in the bank

Net Current Assets

£602k

Working capital

Current Assets

£637k

Current Liabilities

£35k

Fixed Assets

£2.4M

2avg. employees

Balance Sheet

Assets less current liabilities£3.0M
Signed by Mr J McArthur,Prepared with IRIS Elements Accounts Production

EstimatesDerived

YearCurrent RatioImplied Profit
202518.14
202430.53
20223.49
202112.01
202016.27
201923.57+£354k
201820.78

Derived from filed accounts. Not audited figures.