- Companies
- Civil engineering
- Biggleswade
- Marian&Son Ltd
Marian&Son Ltd
- Company number
- 10628632
- Incorporated
- 20 Feb 20179 years trading
- Registered office
- 83 Biggleswade Road, Upper Caldecote, Biggleswade, SG18 9BH
- Nature of business
- Construction of other civil engineering projects n.e.c.
Marian&Son Ltd is a 9-year-old private limited company registered in Biggleswade, company number 10628632, one of 6 civil engineering contractors in Biggleswade. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
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 £92K (+22.1%) on the year before, to £509K.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £547K against £46K owed within a year: more than 10 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 9 years, 2018 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £509K | £547K | £547K | £46K | 2 |
| 28 Feb 2025 | £417K | £514K | £515K | £100K | 2 |
| 29 Feb 2024 | £281K | £344K | £433K | £151K | 5 |
| 28 Feb 2023 | £101K | £136K | £166K | £97K | 5 |
| 28 Feb 2022 | £128K | £150K | £208K | £106K | 5 |
| 28 Feb 2021 | £121K | £156K | £208K | £113K | 5 |
| 29 Feb 2020 | £124K | £130K | £143K | £19K | 7 |
| 28 Feb 2019 | £113K | £130K | £144K | £32K | |
| 28 Feb 2018 | £38K | £47K | £49K | £11K |
Who runs and owns Marian&Son Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** B*** | Director | Feb 2017 |
Person with significant control
Where Marian&Son Ltd is registered
The registered office is in Biggleswade (SG18), in the Central Bedfordshire local authority area, East of England. Show SG18 9BH on a map.
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What happens if Marian&Son 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 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 10628632
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 February 2017 (9 years ago)
- Registered office
- 83 Biggleswade Road, Upper Caldecote, Biggleswade, SG18 9BH
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 19 February 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 Biggleswade
Other active civil engineering contractors registered in Biggleswade.
- MC Expert Engineering Ltd2024
- William Willoughby (Estates) Limited2002
- Wormald Burrows Partnership Limited2011
- D & S Homes Limited2003
- Helmet Contracting Limited2016
All civil engineering contractors in Biggleswade · All trades in Biggleswade · Civil engineering across the UK
Frequently asked questions
When are Marian&Son Ltd's accounts due?
Marian&Son Ltd's next accounts are due at Companies House by 30 November 2027 (in 413 days), covering the period to 28 February 2027.
When is Marian&Son Ltd's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Marian&Son Ltd still trading?
Marian&Son 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 Marian&Son Ltd do?
Marian&Son Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Marian&Son Ltd?
Marian&Son Ltd was incorporated on 20 February 2017, 9 years ago.
Who runs Marian&Son Ltd?
Marian&Son Ltd has 1 active director, the longest-serving appointed in Feb 2017. Their names and service addresses are on the Companies House register.
Who owns Marian&Son Ltd?
One person or company has significant control of Marian&Son Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Marian&Son 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 Marian&Son 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.