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Sigma (Leeds) Limited

ActiveUnaudited abridged accountsJoiners and carpentersLeeds
Company number
05098701
Incorporated
8 Apr 200422 years trading
Registered office
Unit 5, Wortley Moor Lane Trading Estate, Leeds, LS12 4HX
Nature of business
Joinery installation
Accounts due in
352 days
30 Sep 2027
Net assets
£1.3M▲
+29.9% on the year before
Cash at bank
£1.5M▼
At 31 Dec 2025
Employees
29
Average during the year
From the Companies House register, 1 Oct 2026

Sigma (Leeds) Limited is a 22-year-old private limited company registered in Leeds, company number 05098701, one of 198 joinery companies in Leeds. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.

Key dates

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

Accounts due
30 Sep 2027
in 352 days
For the period to 31 Dec 2026
CT600 due
31 Dec 2027
in 444 days
Period 1 Jan 2026 to 31 Dec 2026
Corporation tax payment
1 Oct 2027
in 353 days
9 months and 1 day after the period end
Confirmation statement
5 Apr 2027
in 174 days
Last made up to 22 Mar 2026

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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 £309K (+29.9%) on the year before, to £1.3M.
  • Net assets rose in 3 of 3 year-on-year comparisons on record.
  • Current assets of £2.6M against £1.3M owed within a year: 1.9 times cover.
  • 29 employees on average during the year.
  • Balance sheets on record for 4 years, 2022 to 2025.

Net assets by year

Net assets at each year end, 2022 to 2025£0£500K£1M31 December 2022: net assets £537K£537K202231 December 2023: net assets £798K£798K202331 December 2024: net assets £1M£1M202431 December 2025: net assets £1.3M£1.3M2025
Net assets at each year end, 2022 to 2025£0£500K£1M31 December 2022: net assets £537K£537K202231 December 2023: net assets £798K£798K202331 December 2024: net assets £1M£1M202431 December 2025: net assets £1.3M£1.3M2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Dec 2025£1.3M£1.5M£2.6M£1.3M29
31 Dec 2024£1M£1.6M£2.1M£1.1M29
31 Dec 2023£798K£651K£1.6M£849K29
31 Dec 2022£537K£403K£1.2M£692K26

Public contracts won

Sigma (Leeds) Limited has 3 public sector contract awards on record; the ones with their own published value total £258K, from 2019 to 2023. Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.

Awards by year

20192
20231

Main buyers

  • Further Education Colleges2 awards
  • Leeds City College1 award
BuyerContractValueAwarded
Leeds City CollegeLuminate Education Group - Mabgate Unit 7 Refurbishment - AWARD10 Mar 2023
Further Education CollegesLuminate Education Group - Foundry Refurbishment - AWARD£123K28 Aug 2019
Further Education CollegesLuminate Education Group - University Centre Refurbishment - AWARD£135K28 Aug 2019

Where Sigma (Leeds) Limited is registered

Sigma (Leeds) Limited's registered office on a map of the UK

The registered office is in Leeds (LS12), in the Leeds local authority area, Yorkshire and The Humber. Show LS12 4HX on a map.

Other trade companies in LS12

What happens if Sigma (Leeds) Limited 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 September 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Oct 2027 to 31 Oct 2027£150
1 to 3 months late1 Nov 2027 to 31 Dec 2027£375
3 to 6 months late1 Jan 2028 to 31 Mar 2028£750
More than 6 months lateFrom 1 Apr 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jan 2028£200
3 months late31 Mar 2028another £200
6 months late30 Jun 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Dec 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
05098701
Status
Active
Company type
Private limited company
Incorporated
8 April 2004 (22 years ago)
Registered office
Unit 5, Wortley Moor Lane Trading Estate, Leeds, LS12 4HX
Nature of business
Joinery installation (SIC 43320)
Year end
31 December (accounting reference date)
Accounts type
Unaudited abridged
Last accounts made up to
31 December 2025
Last confirmation statement
22 March 2026
Charges (mortgages)
1 outstanding of 3 registered

Filing notes for joinery companies

Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.

Similar companies in Leeds

Other active joinery companies registered in Leeds.

All joinery companies in Leeds · All trades in Leeds · Joiners and carpenters across the UK

Frequently asked questions

When are Sigma (Leeds) Limited's accounts due?

Sigma (Leeds) Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.

When is Sigma (Leeds) Limited's CT600 due?

The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.

Is Sigma (Leeds) Limited still trading?

Sigma (Leeds) Limited 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 Sigma (Leeds) Limited do?

Sigma (Leeds) Limited is registered under Joinery installation (SIC 43320).

How old is Sigma (Leeds) Limited?

Sigma (Leeds) Limited was incorporated on 8 April 2004, 22 years ago.

Has Sigma (Leeds) Limited won public sector contracts?

Yes. Sigma (Leeds) Limited has 3 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £258K), most recently from Leeds City College.

What is the penalty if Sigma (Leeds) Limited 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 Sigma (Leeds) Limited 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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