- Companies
- Civil engineering
- London
- Southey Consulting Ltd
Southey Consulting Ltd
- Company number
- 15673661
- Incorporated
- 23 Apr 20242 years trading
- Registered office
- 3RD Floor, 16 Black Friars Lane, London, EC4V 6EB
- Nature of business
- Construction of railways and underground railways; Engineering related scientific and technical consulting activities
Southey Consulting Ltd is a 2-year-old private limited company registered in London, company number 15673661, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Southey Consulting LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £128 (+4.4%) on the year before, to £3,006.
- Current assets of £53K against £50K owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £3,006 | £53K | £50K | 0 | |
| 30 Apr 2025 | £2,878 | £30K | £27K | 1 |
Where Southey Consulting Ltd is registered
The registered office is in London (EC4V), in the City of London local authority area, London. Show EC4V 6EB on a map.
Other trade companies in EC4V
- Myco Prima LimitedFinishing trades
- Sja Atlas & Bailey Property LtdProperty developers
- Calcarcan Property LtdProperty developers
- Molu London FM LtdPlumbers and heating engineers
- Dolomiti Dwellings LimitedProperty developers
- Censeo Design & Build LtdSpecialist contractors
- Clean Mark Group LimitedCleaning companies
- Old Town Expansion LimitedProperty developers
Also registered at this address
10 other companies use the same registered office as Southey Consulting Ltd.
- Asemio LimitedGroundworks and demolition
- D. R. Betts Tiling LimitedFloor and wall tilers
- Dolomiti Dwellings LimitedProperty developers
- FT Cars London LtdMotor traders
- Grandscope LimitedBuilders
- Greenstone Landscaping LimitedLandscapers and gardeners
- Oakwood Refurbishment LimitedFinishing trades
- Old Town Expansion LimitedProperty developers
- Sja Atlas & Bailey Property LtdProperty developers
- WQ Property LtdProperty developers
What happens if Southey Consulting 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 31 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 15673661
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 April 2024 (2 years ago)
- Registered office
- 3RD Floor, 16 Black Friars Lane, London, EC4V 6EB
- Nature of business
- Construction of railways and underground railways (SIC 42120)
Engineering related scientific and technical consulting activities (SIC 71122) - Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 22 April 2026
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 London
Other active civil engineering contractors registered in London.
- Southsea Island Rail Limited2021
- Soventix Epc UK Ltd2025
- Soventix Hybrid Limited2017
- Specific Dimension (UK) Limited2026
- Speedy North Ltd2020
- Speedy Specialists Ltd2011
- Spires Construction Ltd2017
- Sporex Construction Limited2007
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Southey Consulting Ltd's accounts due?
Southey Consulting Ltd's next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.
When is Southey Consulting Ltd's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Southey Consulting Ltd still trading?
Southey Consulting 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 Southey Consulting Ltd do?
Southey Consulting Ltd is registered under Construction of railways and underground railways (SIC 42120); Engineering related scientific and technical consulting activities (SIC 71122).
How old is Southey Consulting Ltd?
Southey Consulting Ltd was incorporated on 23 April 2024, 2 years ago.
What is the penalty if Southey Consulting 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 Southey Consulting 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.