Active03646001Private limited companyLeyland Preston

SECURITY & ELECTRICAL INSTALLATIONS LIMITED

B72/100

Owned by Sei Group Limited (75–100%)

Companies HouseCompanies House
01

Summary

Generated from filed data · no estimates

SECURITY & ELECTRICAL INSTALLATIONS LIMITED is an active private limited company (company number 03646001) incorporated on 7 October 1998, registered in Leyland Preston. Its registered activity is electrical installation (SIC 43210). Latest small accounts cover the period ending 31 March 2025, showing net assets of £509k and cash of £701k, with 34 employees on average. Net assets rose 4% on the prior period (£489k).

Peer position · net assets

By net assets it sits in the top quarter of 947 comparable companies in Lancashire (median £5,710, upper quartile £33k).

02

Key dates

Incorporated
7 October 199828 yrs ago
Next accounts due
31 December 2026in 70 days
Confirmation statement due
21 October 2027in 364 days

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

03

Activity

SIC 43210
Electrical installation
Accounts type
Total Exemption Full
Size band
SmallCompanies Act thresholds
04

Financials

2 periods on record · latest ending 31 March 2025
Net assets
£509k
+4%vs Mar 2024
Cash at bank
£701k
−9%vs Mar 2024
Turnover
Not reported
Employees
34
+13%vs Mar 2024
Net assets
£509k
Cash at bank
£701k
Average employees
34
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
31 March 2025£509k£701k£1.14m———34
31 March 2024£489k£774k£848k———30
Cash per employee£21kCash ÷ 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
72 / 100 · grade B
EDCBA
Score breakdown
50Starting scoreEvery scored company starts here
+10Positive net assetsNet assets £508,639 at 2025-03-31
+4Cash reservesCash £700,888
+8EstablishedIncorporated 1998-10-07 (28 years)
72Score, 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

1 active · 1 other
  • Sei Group Limited
    corporate entity, England · since 1 March 2021
    • owns 75–100% of shares
    • holds 75–100% of voting rights
    • can appoint or remove directors
  • Paul Mercer
    Individual · since 6 April 2016 · ceased 1 March 2021
    • owns 25–50% of shares
    • holds 25–50% of voting rights
    • can appoint or remove directors

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 364 days
  2. Next accounts duein 70 days
  3. Accounts period endNet assets £509k · small accounts
  4. Accounts period endNet assets £489k · small accounts
  5. Incorporated
08

Similar companies in Lancashire

Same activity (electrical installation), closest in incorporation date
09

Reminders for SECURITY & ELECTRICAL INSTALLATIONS LIMITED

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