Active06850717Private limited companyPoole

PROTONOMY SOFTWARE LTD

Owned by John Stuart Younger (75–100%)

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms

01

Summary

Generated from filed data · no estimates

PROTONOMY SOFTWARE LTD is an active private limited company (company number 06850717) incorporated on 18 March 2009, registered in Poole. Its registered activity is business and domestic software development (SIC 62012). Latest micro accounts cover the period ending 31 March 2025, showing net assets of £23k, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets were unchanged on the prior period.

Peer position · net assets

By net assets it sits in the upper half of 6,222 comparable companies in Other (median £1,000, upper quartile £28k).

02

Key dates

Incorporated
18 March 200917 yrs ago
Next accounts due
31 December 2026in 70 days
Confirmation statement due
1 April 2027in 161 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

03

Activity

SIC 62012
Business and domestic software development
Accounts type
Micro Entity
Size band
MicroCompanies Act thresholds
04

Financials

2 periods on record · latest ending 31 March 2025
Net assets
£23k
No changevs Mar 2024
Cash at bank
Not reported
Turnover
Not disclosed
Employees
1
No changevs Mar 2024
Net assets
£23k
Average employees
1
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
31 March 2025£23k——£1,025——1
31 March 2024£23k——£1,096——1
Current ratio21.06Comfortable

Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.

05

Filing and accounts signals

Facts from the register · no rating
  • Positive net assetsNet assets £23,203 at 2025-03-31
  • Current assets at least 1.5× short-term creditorsCurrent ratio 21.06
  • Incorporated five or more years agoIncorporated 2009-03-18 (18 years)

Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.

06

Ownership and control

1 active
  • Mr John Stuart Younger
    Individual · since 6 April 2016
    • owns 75–100% of shares

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.

07

Timeline

Newest first
  1. Confirmation statement duein 161 days
  2. Next accounts duein 70 days
  3. Accounts period endNet assets £23k · micro accounts
  4. Accounts period endNet assets £23k · micro accounts
  5. Incorporated
08

Similar companies in the UK

Same activity (business and domestic software development), closest in incorporation date
09

Reminders for PROTONOMY SOFTWARE LTD

Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.

Source: Companies House register, snapshot 2026-08-31; accounts from the Companies House accounts data product. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown.