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  3. Staines-upon-Thames
  4. Syscom Building Management Ltd

Syscom Building Management Ltd

ActiveTotal exemption (full) accountsGroundworks and demolitionStaines-upon-Thames
Company number
03642484
Incorporated
1 Oct 199828 years trading
Registered office
Menzies LLP 2ND Floor, Magna House, 18-32 London Road, Staines-upon-Thames, TW18 4BP
Nature of business
Site preparation; Electrical installation; Plumbing, heat and air-conditioning installation; Other building completion and finishing
Accounts due in
445 days
31 Dec 2027
Net assets
£2.8M▲
+11.0% on the year before
Cash at bank
£1.6M▲
At 31 Mar 2026
Employees
35
Average during the year
From the Companies House register, 1 Oct 2026

Syscom Building Management Ltd is a 28-year-old private limited company registered in Staines-upon-Thames, company number 03642484, one of the UK's groundworks and demolition companies. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Dec 2027
in 445 days
For the period to 31 Mar 2027
CT600 due
31 Mar 2028
in 536 days
Period 1 Apr 2026 to 31 Mar 2027
Corporation tax payment
1 Jan 2028
in 446 days
9 months and 1 day after the period end
Confirmation statement
15 Oct 2026
in 3 days
Last made up to 1 Oct 2025

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Finances

From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.

  • Net assets up £277K (+11%) on the year before, to £2.8M.
  • Net assets rose in 9 of 9 year-on-year comparisons on record.
  • Current assets of £4.5M against £1.8M owed within a year: 2.6 times cover.
  • 35 employees on average, up from 33 the year before.
  • Balance sheets on record for 10 years, 2017 to 2026.

Net assets by year

Net assets at each year end, 2017 to 2026£0£1M£2M31 March 2017: net assets £953K£953K201731 March 2018: net assets £1.2M£1.2M201831 March 2019: net assets £1.3M£1.3M201931 March 2020: net assets £1.4M£1.4M202031 March 2021: net assets £1.6M£1.6M202131 March 2022: net assets £1.9M£1.9M202231 March 2023: net assets £2.1M£2.1M202331 March 2024: net assets £2.1M£2.1M202431 March 2025: net assets £2.5M£2.5M202531 March 2026: net assets £2.8M£2.8M2026
Net assets at each year end, 2017 to 2026£0£1M£2M31 March 2017: net assets £953K£953K'1731 March 2018: net assets £1.2M£1.2M'1831 March 2019: net assets £1.3M£1.3M'1931 March 2020: net assets £1.4M£1.4M'2031 March 2021: net assets £1.6M£1.6M'2131 March 2022: net assets £1.9M£1.9M'2231 March 2023: net assets £2.1M£2.1M'2331 March 2024: net assets £2.1M£2.1M'2431 March 2025: net assets £2.5M£2.5M'2531 March 2026: net assets £2.8M£2.8M'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£2.8M£1.6M£4.5M£1.8M35
31 Mar 2025£2.5M£889K£4.5M£1.9M33
31 Mar 2024£2.1M£1.2M£3.1M£952K39
31 Mar 2023£2.1M£580K£3.4M£1.2M32
31 Mar 2022£1.9M£1.5M£2.9M£878K29
31 Mar 2021£1.6M£1.7M£3.2M£1.4M27
31 Mar 2020£1.4M£1.2M£3.1M£1.7M29
31 Mar 2019£1.3M£1.2M£2.8M£1.6M28
31 Mar 2018£1.2M£586K£2.5M£1.4M25
31 Mar 2017£953K£1M£2.2M£1.4M20

Public contracts won

Syscom Building Management Ltd has 2 public sector contract awards on record; the ones with their own published value total £470K, from 2020 to 2024. Source: Contracts Finder and Find a Tender award notices.

Awards by year

20201
20241

Main buyers

  • The National Archives1 award
  • The National Archives1 award
BuyerContractValueAwarded
The National ArchivesWorks Contract - Boiler House MCC Panel Replacement Scheme£256K24 Jul 2024
The National ArchivesBuilding Management System Upgrade£214K30 Nov 2020

Where Syscom Building Management Ltd is registered

Syscom Building Management Ltd's registered office on a map of the UK

The registered office is in Staines-upon-Thames (TW18), in the Spelthorne local authority area, South East. Show TW18 4BP on a map.

Other trade companies in TW18

Also registered at this address

15 other companies use the same registered office as Syscom Building Management Ltd.

What happens if Syscom Building Management Ltd files late

Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 December 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2028 to 31 Jan 2028£150
1 to 3 months late1 Feb 2028 to 31 Mar 2028£375
3 to 6 months late1 Apr 2028 to 30 Jun 2028£750
More than 6 months lateFrom 1 Jul 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Apr 2028£200
3 months late30 Jun 2028another £200
6 months late30 Sep 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 2029another 10% of any unpaid tax

For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.

Company details

As held on the Companies House register.

Company number
03642484
Status
Active
Company type
Private limited company
Incorporated
1 October 1998 (28 years ago)
Registered office
Menzies LLP 2ND Floor, Magna House, 18-32 London Road, Staines-upon-Thames, TW18 4BP
Nature of business
Site preparation (SIC 43120)
Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other building completion and finishing (SIC 43390)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2026
Last confirmation statement
1 October 2025
Charges (mortgages)
0 outstanding of 1 registered

Filing notes for groundworks and demolition companies

Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.

Similar companies in Staines-upon-Thames

Other active groundworks and demolition companies registered in Staines-upon-Thames.

All groundworks and demolition companies in Staines-upon-Thames · All trades in Staines-upon-Thames · Groundworks and demolition across the UK

Frequently asked questions

When are Syscom Building Management Ltd's accounts due?

Syscom Building Management Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.

When is Syscom Building Management Ltd's CT600 due?

The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.

Is Syscom Building Management Ltd still trading?

Syscom Building Management Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.

What does Syscom Building Management Ltd do?

Syscom Building Management Ltd is registered under Site preparation (SIC 43120); Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other building completion and finishing (SIC 43390).

How old is Syscom Building Management Ltd?

Syscom Building Management Ltd was incorporated on 1 October 1998, 28 years ago.

Has Syscom Building Management Ltd won public sector contracts?

Yes. Syscom Building Management Ltd has 2 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £470K), most recently from The National Archives.

What is the penalty if Syscom Building Management Ltd files its accounts late?

Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.

Official records

View Syscom Building Management Ltd on Companies House for filed documents, officers and the full history.

Report an error on this page

Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.

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