- Companies
- Installers
- Derby
- TMB Spec Ltd
TMB Spec Ltd
- Company number
- 17454890
- Incorporated
- 11 Sep 2026
- Registered office
- 22 Hawkshead Avenue, Derby, DE21 4EA
- Nature of business
- Other construction installation
TMB Spec Ltd is a newly incorporated private limited company registered in Derby, company number 17454890, one of 90 installation companies (insulation, lifts, shutters and similar) in Derby. Its next accounts are due at Companies House on 11 June 2028, and its first CT600 is due at HMRC on 10 September 2028.
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.
Is this your company?
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Where TMB Spec Ltd is registered
The registered office is in Derby (DE21), in the Derby local authority area, East Midlands. Show DE21 4EA on a map.
Other trade companies in DE21
- Caldermore Holdings LtdProperty developers
- FFR Construction LtdCivil engineering
- Allprop360 LtdLandscapers and gardeners
- Avaari Properties LtdProperty developers
- Galden Hands Builders LimitedSpecialist contractors
- Sealtec Contracts LtdFloor and wall tilers
- S R J Recovery LtdMotor traders
- Norcroft Asset Group LtdBuilders
What happens if TMB Spec 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 11 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 12 Jun 2028 to 11 Jul 2028 | £150 |
| 1 to 3 months late | 12 Jul 2028 to 11 Sep 2028 | £375 |
| 3 to 6 months late | 12 Sep 2028 to 11 Dec 2028 | £750 |
| More than 6 months late | From 12 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 17454890
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 September 2026
- Registered office
- 22 Hawkshead Avenue, Derby, DE21 4EA
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Derby
Other active installation companies (insulation, lifts, shutters and similar) registered in Derby.
- Total Fix Tech Ltd2025
- Trend Retail Solutions Limited2011
- Trent Doors Ltd2024
- UK Hempcrete Ltd2015
- Westwood Paving Limited2001
- Wreckerz Ltd2024
- WW Windows Limited2009
- A W Construction (Midlands) Ltd2016
All installation companies (insulation, lifts, shutters and similar) in Derby · All trades in Derby · Installers across the UK
Frequently asked questions
When are TMB Spec Ltd's accounts due?
TMB Spec Ltd's next accounts are due at Companies House by 11 June 2028 (in 608 days), covering the period to 30 September 2027.
When is TMB Spec Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 10 September 2027, due by 10 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is TMB Spec Ltd still trading?
TMB Spec 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 TMB Spec Ltd do?
TMB Spec Ltd is registered under Other construction installation (SIC 43290).
How old is TMB Spec Ltd?
TMB Spec Ltd was incorporated on 11 September 2026, less than a year ago.
What is the penalty if TMB Spec 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 TMB Spec 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.