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- Carnegie Consultancy Limited
Company profile · Specialist contractors
Carnegie Consultancy Limited
Carnegie Consultancy Limited is a 40-year-old private limited company registered in Sudbury, company number 02044903, one of 32 specialist construction companies in Sudbury. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 November 2025, as filed at Companies House.
Carnegie Consultancy Limited over the years
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 £3,795 (+13.3%) on the year before, to £32K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £31K against £3,430 owed within a year: 8.9 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £32K | £27K | £31K | £3,430 | 0 |
| 30 Nov 2024 | £29K | £29K | £33K | £4,285 | 0 |
| 30 Nov 2023 | £27K | £25K | £28K | £1,600 | 0 |
| 30 Nov 2022 | £28K | £28K | £31K | £2,954 | 0 |
| 30 Nov 2021 | £29K | £29K | £32K | £3,552 | 0 |
| 30 Nov 2020 | £23K | £23K | £28K | £4,855 | 0 |
| 30 Nov 2019 | £17K | £18K | £22K | £5,284 | 0 |
| 30 Nov 2018 | £26K | £28K | £31K | £5,316 | |
| 30 Nov 2017 | £19K | £19K | £23K | £3,933 | |
| 30 Nov 2016 | £19K | £20K | £23K | £4,455 |
Where Carnegie Consultancy Limited is registered
The registered office is in Sudbury (CO10), in the Babergh local authority area, East of England. Show CO10 2HA on a map.
Other trade companies in CO10
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- Voltage Link LimitedCivil engineering
- The 1 Percent Team LtdProperty developers
- Green Star Heating Services LtdPlumbers and heating engineers
- Ca Scaffolding Services LtdScaffolders
- Delphi Developments LtdProperty developers
- Complete Solutions Group LtdFacilities management
- Finada Corp LimitedBuilders
What happens if Carnegie Consultancy 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 02044903
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 August 1986 (40 years ago)
- Registered office
- Trinity House, School Street, Sudbury, CO10 2HA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 30 November 2025
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 Sudbury
Other active specialist construction companies registered in Sudbury.
- CG Warner Limited2012
- Construction Ibs Ltd2023
- Cowlin Plant Limited2026
- DPH Carpentry & Maintenance Limited2014
- Dunwell Pro Limited2023
- East to West Sprinkler Systems Limited2012
- Emulsion Sprayer Services Limited2021
- Enertech Systems Ltd1997
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Frequently asked questions
When are Carnegie Consultancy Limited's accounts due?
Carnegie Consultancy Limited's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Carnegie Consultancy Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Carnegie Consultancy Limited still trading?
Carnegie Consultancy 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 Carnegie Consultancy Limited do?
Carnegie Consultancy Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Carnegie Consultancy Limited?
Carnegie Consultancy Limited was incorporated on 8 August 1986, 40 years ago.
What is the penalty if Carnegie Consultancy 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 Carnegie Consultancy Limited 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.