Firmoscan
Active13038969Private limited companyLondon

DEEP MOUNTAIN LTD

A84/100

Owned by Sam Matthew Ireland (75–100%)

Companies HouseCompanies House
01

Summary

Generated from filed data · no estimates

DEEP MOUNTAIN LTD is an active private limited company (company number 13038969) incorporated on 24 November 2020, registered in London. Its registered activity is other software publishing (SIC 58290). Latest small accounts cover the period ending 30 November 2025, showing net assets of £9,229 and cash of £12k, with 1 employee on average. Net assets rose 541% on the prior period (−£2,094).

Peer position · net assets

By net assets it sits in the top quarter of 2,698 comparable companies in London (median £100, upper quartile £9,081).

02

Key dates

Incorporated
24 November 20205 yrs ago
Next accounts due
30 August 2027in 312 days
Confirmation statement due
8 December 2026in 47 days

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

03

Activity

SIC 58290
Other software publishing
SIC 62012
Business and domestic software development
Accounts type
Total Exemption Full
Size band
MicroCompanies Act thresholds
04

Financials

2 periods on record · latest ending 30 November 2025
Net assets
£9,229
vs Nov 2024
Cash at bank
£12k
+910%vs Nov 2024
Turnover
Not reported
Employees
1
No changevs Nov 2024
Net assets
£9,229
Cash at bank
£12k
Average employees
1
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
30 November 2025£9,229£12k—£7,150——1
30 November 2024−£2,094£1,155—£4,270——1
Current ratio1.63Comfortable
Cash per employee£12kCash ÷ average employees

Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.

05

Firmoscan score

Rules-based · every point shows its evidence
84 / 100 · grade A
EDCBA
Score breakdown
50Starting scoreEvery scored company starts here
+10Positive net assetsNet assets £9,229 at 2025-11-30
+8Net assets growing+540.7% vs prior period
+8Comfortable liquidityCurrent ratio 1.63
+8EstablishedIncorporated 2020-11-24 (6 years)
84Score, grade A

A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice. How the score is computed.

06

Ownership and control

1 active
  • Dr Sam Matthew Ireland
    Individual · since 24 November 2020
    • 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. Next accounts duein 312 days
  2. Confirmation statement duein 47 days
  3. Accounts period endNet assets £9,229 · small accounts
  4. Accounts period endNet liabilities £2,094 · small accounts
  5. Incorporated
08

Similar companies in London

Same activity (other software publishing), closest in incorporation date

All companies incorporated on 24 November 2020 · in Nov 2020.

09

Reminders for DEEP MOUNTAIN LTD

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