- Companies
- Finishing trades
- Lanark
- Black Tongue Developments Ltd.
Black Tongue Developments Ltd.
- Company number
- SC290506
- Incorporated
- 20 Sep 200521 years trading
- Registered office
- 15 ST. Leonard Street, Lanark, ML11 7AB
- Nature of business
- Other building completion and finishing
Black Tongue Developments Ltd. is a 21-year-old private limited company registered in Lanark, company number SC290506, one of 9 building finishing companies in Lanark. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £95K (+104.4%) on the year before, to £186K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £280K against £94K owed within a year: 3.0 times cover.
- 2 employees 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £186K | £53K | £280K | £94K | 2 |
| 30 Sep 2024 | £91K | £17K | £172K | £89K | 2 |
| 30 Sep 2023 | £118K | £107K | £236K | £122K | 2 |
| 30 Sep 2022 | £77K | £241K | £243K | £166K | 2 |
| 30 Sep 2021 | £18K | £51K | £238K | £214K | 2 |
| 30 Sep 2020 | -£54K | £69K | £124K | £230K | 2 |
| 30 Sep 2019 | -£182K | £5,280 | £148K | £266K | 2 |
| 30 Sep 2018 | -£210K | £71K | £282K | ||
| 30 Sep 2017 | -£161K | £51K | £212K | ||
| 30 Sep 2016 | -£164K | £22K | £162K | £296K |
Where Black Tongue Developments Ltd. is registered
The registered office is in Lanark (ML11), in the South Lanarkshire local authority area, Scotland. Show ML11 7AB on a map.
Other trade companies in ML11
- Sterling Renewables Projects LimitedElectricians
- Ejp Kitchens & Bathrooms LtdJoiners and carpenters
- J Frood Double Glazing LtdGlaziers
- Duchray Holdings LimitedSpecialist contractors
- RM Offshore LtdInstallers
- Fletcher Groundworks LimitedInstallers
- Beechtreewright LtdBuilders
- Blackwood Electrical Services LtdElectricians
Also registered at this address
19 other companies use the same registered office as Black Tongue Developments Ltd..
- A2 Exterior Cleaning LtdCleaning companies
- Autotech Lanark LtdMechanics and garages
- BRC Plumbing & Heating LtdPlumbers and heating engineers
- C L Simple Solutions LtdJoiners and carpenters
- CL Drainage & Fencing LtdMachinery repair and installation
- CMC Design LimitedBuilders
- GCML LimitedSpecialist contractors
- GFD Services (Scotland) LimitedFinishing trades
- GHC (Gardens House Construction) LtdBuilders
- GM Engineering Services LimitedMachinery repair and installation
- Hyndford Estates LimitedProperty developers
- Ideal Gas LtdMachinery repair and installation
- KBS Facilities Contracts LtdFacilities management
- Logan Vehicle Services LtdMechanics and garages
- Masonry King Construction LtdBuilders
- Oaktree Construction (Scotland) LtdBuilders
- PR Landscapes Ltd.Landscapers and gardeners
- Ross James Plumbing & Heating Serv. LtdPlumbers and heating engineers
- Shining Bright Window Cleaning LtdCleaning companies
What happens if Black Tongue Developments 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- SC290506
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 September 2005 (21 years ago)
- Registered office
- 15 ST. Leonard Street, Lanark, ML11 7AB
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 20 September 2026
- Charges (mortgages)
- 6 outstanding of 15 registered
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Lanark
Other active building finishing companies registered in Lanark.
- GFD Services (Scotland) Limited2011
- Jerviswood Project Management Limited2014
- Jorax Construction Ltd2025
- Lanark Property Maintenance Limited2015
- LN Facilities Management Limited2026
- Loam Maintenance Limited2023
- RXB Building and Landscapes Ltd2025
- Scot Direct Construction & Maintenance Ltd2016
All building finishing companies in Lanark · All trades in Lanark · Finishing trades across the UK
Frequently asked questions
When are Black Tongue Developments Ltd.'s accounts due?
Black Tongue Developments Ltd.'s next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Black Tongue Developments Ltd.'s CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Black Tongue Developments Ltd. still trading?
Black Tongue Developments 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 Black Tongue Developments Ltd. do?
Black Tongue Developments Ltd. is registered under Other building completion and finishing (SIC 43390).
How old is Black Tongue Developments Ltd.?
Black Tongue Developments Ltd. was incorporated on 20 September 2005, 21 years ago.
What is the penalty if Black Tongue Developments 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 Black Tongue Developments 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.