Firmoscan
Active05351402Private limited companyLeeds

CASTLE SUPPORT SERVICES PLC

Significant control: Sulzer (UK) Holdings Ltd (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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

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Registered activity: Non-trading company (SIC 74990). We’re building product and service lists for UK companies. Get this one when it’s ready.

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01

Summary

Generated from filed data · no estimates

CASTLE SUPPORT SERVICES PLC is an active private limited company (company number 05351402) incorporated on 3 February 2005, registered in Leeds. Its registered activity is non-trading company (SIC 74990). Accounts are on file at Companies House (dormant) but not yet parsed into this record.

There are 703 companies in non-trading company in Leeds with filed accounts; the median reports net assets of £10 and is 19 years old.

02

Ownership and control

1 active · 1 other
  • Sulzer (Uk) Holdings Ltd
    corporate entity, United Kingdom · since 6 April 2016
    • owns 75–100% of shares
  • persons with significant control statement · since 3 February 2017 · ceased 10 November 2017

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.

03

Key dates

Incorporated
3 February 200521 yrs ago
First accounts due
3 November 20067294 days overdue
Confirmation statement due
17 February 2027in 117 days

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

04

Activity

SIC 74990
Non-trading company
Accounts type
Dormant
05

Financials

No accounts on record

Accounts exist on the register but their figures are not in this dataset yet.

06

Filing and accounts signals

Facts from the register · no rating
  • Incorporated five or more years agoIncorporated 3 February 2005
  • Accounts past their due dateDue 3 November 2006

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 They are not a rating, a prediction or advice, and may be incomplete or out of date.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.

07

Timeline

Newest first
  1. Confirmation statement duein 117 days
  2. First accounts due7294 days overdue
  3. Incorporated
08

Similar companies in Leeds

Same activity (non-trading company), closest in incorporation date

All companies incorporated on 3 February 2005 · in Feb 2005.

09

Reminders for CASTLE SUPPORT SERVICES PLC

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

Source: Companies House register, snapshot 2026-08-31. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown.

This information comes from public filings and our automated processing of them. It may contain errors, be incomplete or be out of date, and is not advice or a credit reference. Check the official record before relying on it. Terms · Privacy · Report an error (corrected within one working day).