- Company number
- 11939786
- Incorporated
- 11 Apr 20197 years trading
- Registered office
- C/O 24 Westgate, Sleaford, NG34 7PN
- Nature of business
- Construction of commercial buildings
Ambak Ltd is a 7-year-old private limited company registered in Sleaford, company number 11939786, one of 39 building contractors in Sleaford. 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.
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Where Ambak Ltd is registered
The registered office is in Sleaford (NG34), in the North Kesteven local authority area, East Midlands. Show NG34 7PN on a map.
Other trade companies in NG34
- Bailgate Electrical LimitedElectricians
- McGann Construction LtdBuilders
- All Tyre Supplies LtdMotor traders
- Dynamic Service Centre LtdMechanics and garages
- GS Cooling & Heating LtdPlumbers and heating engineers
- Jeffrey Joseph LimitedFinishing trades
- HD Garden Maintenance LtdLandscapers and gardeners
- RJ Harriss Contracts LtdProperty developers
Also registered at this address
12 other companies use the same registered office as Ambak Ltd.
- A T Electrical (Sleaford) LtdElectricians
- Collishaw & Kelly Property Solutions LtdProperty developers
- Hardy Construction & Groundworks LimitedBuilders
- J. Tokley Contracting LimitedElectricians
- Lincs Renovations LimitedProperty developers
- Lme Building Contractors LtdProperty developers
- Martin Smith Paintwork & Restorations LimitedMechanics and garages
- Paul Harland Electrical LimitedElectricians
- S. M. Kent LimitedRoofers
- Sleaford Commercials LimitedMotor traders
- TJM Contract Services LimitedMachinery repair and installation
- Westgate Paving LtdSpecialist contractors
What happens if Ambak 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
- 11939786
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 April 2019 (7 years ago)
- Registered office
- C/O 24 Westgate, Sleaford, NG34 7PN
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 6 September 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 Sleaford
Other active building contractors registered in Sleaford.
- Ambrey Baker Industrial Solutions Ltd2006
- Atlas Housing Limited2019
- Awh Construction Limited2023
- B Pope & Sons Limited1993
- Chanceoption Homes Limited2010
- Cheshire-Snowden Developments Ltd2024
- CKS Stonework & Building Limited2021
- Cladwright Ltd2023
All building contractors in Sleaford · All trades in Sleaford · Builders across the UK
Frequently asked questions
When are Ambak Ltd's accounts due?
Ambak 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 Ambak 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 Ambak Ltd still trading?
Ambak 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 Ambak Ltd do?
Ambak Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is Ambak Ltd?
Ambak Ltd was incorporated on 11 April 2019, 7 years ago.
What is the penalty if Ambak 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 Ambak 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.