- Companies
- Groundworks and demolition
- Sidcup
- Shannon Consultancy Limited
Shannon Consultancy Limited
- Company number
- 12017605
- Incorporated
- 25 May 20197 years trading
- Registered office
- 12 Hatherley Road, Sidcup, Kent, DA14 4DT
- Nature of business
- Site preparation
Shannon Consultancy Limited is a 7-year-old private limited company registered in Sidcup, company number 12017605, one of 8 groundworks and demolition companies in Sidcup. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 down £2,745 (-4.9%) on the year before, to £53K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £66K against £16K owed within a year: 4.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £53K | £66K | £66K | £16K | 1 |
| 31 May 2024 | £56K | £71K | £80K | £28K | 1 |
| 31 May 2023 | £40K | £63K | £72K | £38K | 1 |
| 31 May 2022 | £794 | £365 | £33K | £30K | 1 |
| 31 May 2021 | £591 | £810 | £33K | £40K | 1 |
| 31 May 2020 | £1,748 | £13K | £13K | £20K | 1 |
Where Shannon Consultancy Limited is registered
The registered office is in Sidcup (DA14), in the Bexley local authority area, London. Show DA14 4DT on a map.
Other trade companies in DA14
- Evlor LtdElectricians
- Pfe Services LimitedElectricians
- CJM Property Services LimitedFinishing trades
- Top Local Trader LtdBuilders
- Bassett Electrical Group LimitedElectricians
- Flatline Flooring LtdFloor and wall tilers
- LDT Service's LimitedScaffolders
- Old Maidstone Road Hand Car Wash LtdMechanics and garages
Shared registered office
427 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Shannon 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 12017605
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 May 2019 (7 years ago)
- Registered office
- 12 Hatherley Road, Sidcup, Kent, DA14 4DT
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 24 May 2026
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 Sidcup
Other active groundworks and demolition companies registered in Sidcup.
- Aaron Drilling Services Limited2015
- All on Point Ltd2026
- Baltfix Ltd2009
- DBS Contracts Limited1992
- Econ Group Limited1982
- FD Building Services Ltd2019
- First Environmental Ltd2024
All groundworks and demolition companies in Sidcup · All trades in Sidcup · Groundworks and demolition across the UK
Frequently asked questions
When are Shannon Consultancy Limited's accounts due?
Shannon Consultancy Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Shannon Consultancy Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Shannon Consultancy Limited still trading?
Shannon 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 Shannon Consultancy Limited do?
Shannon Consultancy Limited is registered under Site preparation (SIC 43120).
How old is Shannon Consultancy Limited?
Shannon Consultancy Limited was incorporated on 25 May 2019, 7 years ago.
What is the penalty if Shannon 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 Shannon 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.