Active11111659Private limited companyBlaydon

CIS VENTILATION SYSTEMS LTD

A81/100

Owned by Ian Neville Marsden and Richard Blake

Companies HouseCompanies House
01

Summary

Generated from filed data · no estimates

CIS VENTILATION SYSTEMS LTD is an active private limited company (company number 11111659) incorporated on 14 December 2017, registered in Blaydon. Its registered activity is other construction installation (SIC 43290). Latest dormant accounts cover the period ending 31 December 2025, showing net assets of £100. Net assets rose 626% on the prior period (−£19). Across the last 3 periods on record the net-asset trend is rising.

Peer position · net assets

By net assets it sits in the lower half of 341 comparable companies in Newcastle (median £2,469, upper quartile £19k).

02

Key dates

Incorporated
14 December 20178 yrs ago
Next accounts due
30 September 2027in 343 days
Confirmation statement due
28 December 2026in 67 days

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

03

Activity

SIC 43290
Other construction installation
Accounts type
Dormant
Size band
MicroCompanies Act thresholds
04

Financials

3 periods on record · latest ending 31 December 2025
Net assets
£100
vs Dec 2024
Cash at bank
Not reported
Turnover
Not reported
Employees
Not reported
Net assets
£100
Cash at bank
—
Average employees
—
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
31 December 2025£100——————
31 December 2024−£19£31—£150——2
31 December 2023−£19£31—£150——2

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
81 / 100 · grade A
EDCBA
Score breakdown
50Starting scoreEvery scored company starts here
+10Positive net assetsNet assets £100 at 2025-12-31
+8Net assets growing+626.3% vs prior period
+5Multi-year filing history3 periods on record
+8EstablishedIncorporated 2017-12-14 (9 years)
81Score, 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

2 active
  • Mr Ian Neville Marsden
    Individual · since 14 December 2017
    • owns 25–50% of shares
    • holds 25–50% of voting rights
  • Mr Richard Blake
    Individual · since 14 December 2017
    • 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. Next accounts duein 343 days
  2. Confirmation statement duein 67 days
  3. Accounts period endNet assets £100 · dormant accounts
  4. Accounts period endNet liabilities £19 · dormant accounts
  5. Accounts period endNet liabilities £19 · dormant accounts
  6. Incorporated
08

Similar companies in Newcastle

Same activity (other construction installation), closest in incorporation date
09

Reminders for CIS VENTILATION SYSTEMS LTD

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