Firmoscan
Active13456898Private limited companyLondon

SUBSURFACE HYDRO LTD

B76/100
Companies HouseCompanies House
01

Summary

Generated from filed data · no estimates

SUBSURFACE HYDRO LTD is an active private limited company (company number 13456898) incorporated on 15 June 2021, registered in London. Its registered activity is test drilling and boring (SIC 43130). Latest micro accounts cover the period ending 30 June 2025, showing net assets of £136k, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 60% on the prior period (£85k).

Peer position · net assets

By net assets it sits in the top quarter of 338 comparable companies in the UK (median £15k, upper quartile £116k).

02

Key dates

Incorporated
15 June 20215 yrs ago
Next accounts due
30 March 2027in 159 days
Confirmation statement due
29 June 2027in 250 days

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

03

Activity

SIC 43130
Test drilling and boring
Accounts type
Micro Entity
Size band
MicroCompanies Act thresholds
04

Financials

2 periods on record · latest ending 30 June 2025
Net assets
£136k
+60%vs Jun 2024
Cash at bank
Not reported
Turnover
Not disclosed
Employees
2
No changevs Jun 2024
Net assets
£136k
Average employees
2
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
30 June 2025£136k——£169k——2
30 June 2024£85k——£392k——2
Current ratio1.34Current assets ÷ creditors within one year

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

Firmoscan score

Rules-based · every point shows its evidence
76 / 100 · grade B
EDCBA
Score breakdown
50Starting scoreEvery scored company starts here
+10Positive net assetsNet assets £136,447 at 2025-06-30
+8Net assets growing+60.1% vs prior period
+8EstablishedIncorporated 2021-06-15 (5 years)
76Score, grade B

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

2 active
  • Dr Marc Alen Bevan
    Individual · since 15 June 2021
    • owns 25–50% of shares
    • holds 25–50% of voting rights
  • Dr Joseph Edward Teer
    Individual · since 15 June 2021
    • owns 25–50% of shares
    • holds 25–50% of voting rights

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 250 days
  2. Next accounts duein 159 days
  3. Accounts period endNet assets £136k · micro accounts
  4. Accounts period endNet assets £85k · micro accounts
  5. Incorporated
08

Similar companies in London

Same activity (test drilling and boring), closest in incorporation date

All companies incorporated on 15 June 2021 · in Jun 2021.

09

Reminders for SUBSURFACE HYDRO LTD

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