- Companies
- Builders
- Birmingham
- Ismart Design and Build Limited
Ismart Design and Build Limited
- Company number
- 16665671
- Incorporated
- 21 Aug 20251 year trading
- Registered office
- Flexspace Business Park - Unit 2, Middlemore Road, Birmingham, B21 0AL
- Nature of business
- Construction of domestic buildings
Ismart Design and Build Limited is a 1-year-old private limited company registered in Birmingham, company number 16665671, one of 1,142 building contractors in Birmingham. Its next accounts are due at Companies House on 21 May 2027, and its first CT600 is due at HMRC on 20 August 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Who runs and owns Ismart Design and Build Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| S*** R*** | Director | Aug 2025 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| I*** D*** | Director | Mar 2026 | Aug 2026 |
Person with significant control
Where Ismart Design and Build Limited is registered
The registered office is in Birmingham (B21), in the Birmingham local authority area, West Midlands. Show B21 0AL on a map.
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What happens if Ismart Design and Build 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 21 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 May 2027 to 21 Jun 2027 | £150 |
| 1 to 3 months late | 22 Jun 2027 to 21 Aug 2027 | £375 |
| 3 to 6 months late | 22 Aug 2027 to 21 Nov 2027 | £750 |
| More than 6 months late | From 22 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 16665671
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 August 2025 (1 year ago)
- Registered office
- Flexspace Business Park - Unit 2, Middlemore Road, Birmingham, B21 0AL
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 20 August 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Birmingham
Other active building contractors registered in Birmingham.
- Ivaani Limited2025
- J Hill Brickwork Ltd2023
- J N B Construction Ltd2018
- J S Building and Maintenance Services Ltd2015
- J.4.J Limited2018
- J.A. Burke Construction Limited1994
- J.J Flame Solutions Ltd2026
- J.O.S. Structures Limited2004
All building contractors in Birmingham · All trades in Birmingham · Builders across the UK
Frequently asked questions
When are Ismart Design and Build Limited's accounts due?
Ismart Design and Build Limited's next accounts are due at Companies House by 21 May 2027 (in 220 days), covering the period to 31 August 2026.
When is Ismart Design and Build Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 20 August 2026, due by 20 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ismart Design and Build Limited still trading?
Ismart Design and Build 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 Ismart Design and Build Limited do?
Ismart Design and Build Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Ismart Design and Build Limited?
Ismart Design and Build Limited was incorporated on 21 August 2025, 1 year ago.
Who runs Ismart Design and Build Limited?
Ismart Design and Build Limited has 1 active director, the longest-serving appointed in Aug 2025. Their names and service addresses are on the Companies House register.
Who owns Ismart Design and Build Limited?
One person or company has significant control of Ismart Design and Build Limited: an individual (owns 75% or more of the shares).
What is the penalty if Ismart Design and Build 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 Ismart Design and Build 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.