- Companies
- Specialist contractors
- Slough
- Postmill (UK) Limited
Postmill (UK) Limited
- Company number
- 09703208
- Incorporated
- 25 Jul 201511 years trading
- Registered office
- 1 Stoke Green, Stoke Poges, Slough, SL2 4HR
- Nature of business
- Other specialised construction activities n.e.c.
Postmill (UK) Limited is a 11-year-old private limited company registered in Slough, company number 09703208, one of 110 specialist construction companies in Slough. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £47K (+209.6%) on the year before, to £70K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £118K against £145K owed within a year: 0.8 times cover.
- 1 employee on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Jul 2025 | £70K | £118K | £145K | 1 | |
| 31 Jul 2024 | £22K | £49K | £84K | 1 | |
| 31 Jul 2023 | £240K | £308K | £143K | 1 | |
| 31 Jul 2022 | £369K | £472K | £205K | 1 | |
| 31 Jul 2021 | £398K | £424K | £162K | 1 | |
| 31 Jul 2020 | £348K | £375K | £94K | 1 | |
| 31 Jul 2019 | £456K | £495K | £522K | £159K | |
| 31 Jul 2018 | £526K | £564K | £573K | £145K | |
| 31 Jul 2017 | £445K | £480K | £557K | £124K | |
| 31 Jul 2016 | £186K | £184K | £730K | £565K |
Who runs and owns Postmill (UK) Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** R*** | Director | Jul 2015 |
Person with significant control
Where Postmill (UK) Limited is registered
The registered office is in Slough (SL2), in the Buckinghamshire local authority area, South East. Show SL2 4HR on a map.
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What happens if Postmill (UK) 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 09703208
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 July 2015 (11 years ago)
- Registered office
- 1 Stoke Green, Stoke Poges, Slough, SL2 4HR
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 24 July 2026
- Previous names
- Postmill Ltd (until 11 Aug 2015)
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 Slough
Other active specialist construction companies registered in Slough.
- Proactive Construction Management Ltd2022
- Probuild (Hayes) Limited2007
- R S Chandi Builders Limited2019
- Rascor UK Ltd2017
- Razas Direct Ltd2013
- Renogo Ltd2026
- Rich House Solution Ltd2025
- S K Electrical Works Limited2014
All specialist construction companies in Slough · All trades in Slough · Specialist contractors across the UK
Frequently asked questions
When are Postmill (UK) Limited's accounts due?
Postmill (UK) Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Postmill (UK) Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Postmill (UK) Limited still trading?
Postmill (UK) 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 Postmill (UK) Limited do?
Postmill (UK) Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Postmill (UK) Limited?
Postmill (UK) Limited was incorporated on 25 July 2015, 11 years ago.
Who runs Postmill (UK) Limited?
Postmill (UK) Limited has 1 active director, the longest-serving appointed in Jul 2015. Their names and service addresses are on the Companies House register.
Who owns Postmill (UK) Limited?
One person or company has significant control of Postmill (UK) Limited: an individual (owns 75% or more of the shares).
What is the penalty if Postmill (UK) 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 Postmill (UK) 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.