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  4. Flanagan Building & Maintenance Services Ltd

Flanagan Building & Maintenance Services Ltd

ActiveTotal exemption (full) accountsCivil engineeringLiverpool
Company number
03307983
Incorporated
27 Jan 199729 years trading
Registered office
Atlantic House, 143 Sefton Street, Liverpool, L8 5SN
Nature of business
Construction of other civil engineering projects n.e.c.; Plumbing, heat and air-conditioning installation
Accounts due in
290 days
30 Jul 2027
Net assets
£46K▲
+2.5% on the year before
Cash at bank
£4,091▼
At 31 Oct 2025
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

Flanagan Building & Maintenance Services Ltd is a 29-year-old private limited company registered in Liverpool, company number 03307983, one of 284 civil engineering contractors in Liverpool. Its next accounts are due at Companies House on 30 July 2027, and the CT600 for the period to 30 October 2026 is due at HMRC on 30 October 2027.

Key dates

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

Accounts due
30 Jul 2027
in 290 days
For the period to 30 Oct 2026
CT600 due
30 Oct 2027
in 382 days
Period 1 Nov 2025 to 30 Oct 2026
Corporation tax payment
31 Jul 2027
in 291 days
9 months and 1 day after the period end
Confirmation statement
11 Dec 2026
in 59 days
Last made up to 27 Nov 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 £1,094 (+2.5%) on the year before, to £46K.
  • Net assets rose in 3 of 6 year-on-year comparisons on record.
  • Current assets of £4.2M against £4.1M owed within a year: 1.0 times cover.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 7 years, 2019 to 2025.

Net assets by year

Net assets at each year end, 2019 to 2025£0£1M£2M31 October 2019: net assets £2.1M£2.1M201931 October 2020: net assets £2.8M£2.8M202031 October 2021: net assets £773K£773K202131 October 2022: net assets £66K£66K202231 October 2023: net assets £40K£40K202331 October 2024: net assets £45K£45K202431 October 2025: net assets £46K£46K2025
Net assets at each year end, 2019 to 2025£0£1M£2M31 October 2019: net assets £2.1M£2.1M'1931 October 2020: net assets £2.8M£2.8M'2031 October 2021: net assets £773K£773K'2131 October 2022: net assets £66K£66K'2231 October 2023: net assets £40K£40K'2331 October 2024: net assets £45K£45K'2431 October 2025: net assets £46K£46K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Oct 2025£46K£4,091£4.2M£4.1M0
31 Oct 2024£45K£36K£5.8M£5.8M0
31 Oct 2023£40K£3,074£8.9M£8.8M0
31 Oct 2022£66K£13K£10M£10M26
31 Oct 2021£773K£1,082£16M£13M28
31 Oct 2020£2.8M£1,582£25M£20M45
31 Oct 2019£2.1M£1,580£21M£17M52

Public contracts won

Flanagan Building & Maintenance Services Ltd has 3 public sector contract awards on record; the ones with their own published value total £2.6M, from 2015 to 2021. Source: Contracts Finder and Find a Tender award notices. 2 of these were matched by the company's exact name because the notice gave no company number.

Awards by year

20151
20181
20211

Main buyers

  • Parliamentary and Health Service Ombudsman1 award
  • Liverpool City Council1 award
  • Halton Borough Council1 award
BuyerContractValueAwarded
Parliamentary and Health Service OmbudsmanKitchen Refurbishment at Citygate£14K1 Mar 2021
Liverpool City CouncilTunstall St refurbishment£2.5M25 May 2018
Halton Borough CouncilProposed Minor internal Alterations at Hale CE Voluntary Controlled Primary School£42K13 Jul 2015

Where Flanagan Building & Maintenance Services Ltd is registered

Flanagan Building & Maintenance Services Ltd's registered office on a map of the UK

The registered office is in Liverpool (L8), in the Liverpool local authority area, North West. Show L8 5SN on a map.

Other trade companies in L8

Also registered at this address

2 other companies use the same registered office as Flanagan Building & Maintenance Services Ltd.

What happens if Flanagan Building & Maintenance Services 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 30 July 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late31 Jul 2027 to 30 Aug 2027£150
1 to 3 months late31 Aug 2027 to 30 Oct 2027£375
3 to 6 months late31 Oct 2027 to 30 Jan 2028£750
More than 6 months lateFrom 31 Jan 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late31 Oct 2027£200
3 months late30 Jan 2028another £200
6 months late30 Apr 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Oct 2028another 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
03307983
Status
Active
Company type
Private limited company
Incorporated
27 January 1997 (29 years ago)
Registered office
Atlantic House, 143 Sefton Street, Liverpool, L8 5SN
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
30 October (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 October 2025
Last confirmation statement
27 November 2025
Charges (mortgages)
2 outstanding of 5 registered

Filing notes for civil engineering contractors

Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.

Similar companies in Liverpool

Other active civil engineering contractors registered in Liverpool.

All civil engineering contractors in Liverpool · All trades in Liverpool · Civil engineering across the UK

Frequently asked questions

When are Flanagan Building & Maintenance Services Ltd's accounts due?

Flanagan Building & Maintenance Services Ltd's next accounts are due at Companies House by 30 July 2027 (in 290 days), covering the period to 30 October 2026.

When is Flanagan Building & Maintenance Services Ltd's CT600 due?

The CT600 for the period to 30 October 2026 is due at HMRC by 30 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 July 2027.

Is Flanagan Building & Maintenance Services Ltd still trading?

Flanagan Building & Maintenance Services 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 Flanagan Building & Maintenance Services Ltd do?

Flanagan Building & Maintenance Services Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Flanagan Building & Maintenance Services Ltd?

Flanagan Building & Maintenance Services Ltd was incorporated on 27 January 1997, 29 years ago.

Has Flanagan Building & Maintenance Services Ltd won public sector contracts?

Yes. Flanagan Building & Maintenance Services Ltd has 3 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £2.6M), most recently from PARLIAMENTARY AND HEALTH SERVICE OMBUDSMAN.

What is the penalty if Flanagan Building & Maintenance Services 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 Flanagan Building & Maintenance Services 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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