- Companies
- Specialist contractors
- Consett
- Sigma8 Ltd
Sigma8 Ltd
- Company number
- 10228272
- Incorporated
- 13 Jun 201610 years trading
- Registered office
- 11 Cedar Gardens, Consett, DH8 8AU
- Nature of business
- Other specialised construction activities n.e.c.; Information technology consultancy activities; Activities of financial services holding companies
Sigma8 Ltd is a 10-year-old private limited company registered in Consett, company number 10228272, one of 24 specialist construction companies in Consett. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 £184K (+188%) on the year before, to £86K.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £75K against £16K owed within a year: 4.7 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £86K | £75K | £16K | 3 | |
| 30 Sep 2024 | -£98K | £1,328 | £41K | £7,415 | 3 |
| 30 Sep 2023 | £39K | £70K | £20K | 3 | |
| 30 Sep 2022 | -£51K | £2,019 | £70K | £41K | 5 |
| 30 Sep 2021 | £18K | £13K | £2,777 | 5 | |
| 30 Sep 2020 | £54K | £8,996 | £25K | 5 | |
| 30 Sep 2019 | £2,531 | £400 | £2,931 | 5 | |
| 30 Sep 2018 | £113 | £5,345 | £5,458 | ||
| 30 Jun 2017 | £3,171 | £3,171 |
Where Sigma8 Ltd is registered
The registered office is in Consett (DH8), in the County Durham local authority area, North East. Show DH8 8AU on a map.
Other trade companies in DH8
- Tyneside Truck Services LtdMechanics and garages
- Machine Service Solutions LtdMachinery repair and installation
- Ag Motors Ne LimitedMotor traders
- SWS Scaffolding Ne LimitedScaffolders
- GH Management and Operator Services North East LtdSpecialist contractors
- Avana Property Solutions LimitedProperty developers
- Promptech Mechanical LtdBuilders
- Kee Home Solutions LtdJoiners and carpenters
What happens if Sigma8 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2028 | another 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
- 10228272
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 June 2016 (10 years ago)
- Registered office
- 11 Cedar Gardens, Consett, DH8 8AU
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Information technology consultancy activities (SIC 62020)
Activities of financial services holding companies (SIC 64205) - Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 12 June 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Consett
Other active specialist construction companies registered in Consett.
- Sna Chimneys Ltd2018
- Stay Limited1998
- Sustain Landscapes Limited2002
- Tayran Rope Access Welding Ltd2018
- Terra Steel Consulting Ltd2018
- A H Drywall Finishing Limited2018
- Aztec Interiors Ltd2016
- Bladeworks Wind Services Ltd2026
All specialist construction companies in Consett · All trades in Consett · Specialist contractors across the UK
Frequently asked questions
When are Sigma8 Ltd's accounts due?
Sigma8 Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Sigma8 Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Sigma8 Ltd still trading?
Sigma8 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 Sigma8 Ltd do?
Sigma8 Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Information technology consultancy activities (SIC 62020); Activities of financial services holding companies (SIC 64205).
How old is Sigma8 Ltd?
Sigma8 Ltd was incorporated on 13 June 2016, 10 years ago.
What is the penalty if Sigma8 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 Sigma8 Ltd on Companies House for filed documents, officers and the full history.
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.