- Companies
- Specialist contractors
- Aylesbury
- Demso Diamond Drilling and Sawing Ltd
Demso Diamond Drilling and Sawing Ltd
- Company number
- 08716205
- Incorporated
- 3 Oct 201313 years trading
- Registered office
- 193 Cambridge Street, Aylesbury, Buckinghamshire, HP20 1BQ
- Nature of business
- Other specialised construction activities n.e.c.
Demso Diamond Drilling and Sawing Ltd is a 13-year-old private limited company registered in Aylesbury, company number 08716205, one of 85 specialist construction companies in Aylesbury. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 down £15K (-60.9%) on the year before, to £9,377.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £47K against £108K owed within a year: 0.4 times cover.
- 7 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 |
|---|---|---|---|---|---|
| 31 Dec 2025 | £9,377 | £1,299 | £47K | £108K | 7 |
| 31 Dec 2024 | £24K | £22K | £60K | £97K | 7 |
| 31 Dec 2023 | £105K | £46K | £89K | £39K | 7 |
| 31 Dec 2022 | £103K | £22K | £80K | £35K | 6 |
| 31 Dec 2021 | £156K | £116K | £153K | £47K | 6 |
| 31 Dec 2020 | £137K | £117K | £190K | £78K | 6 |
| 31 Dec 2019 | £127K | £59K | £92K | £25K | 6 |
| 31 Dec 2018 | £143K | £52K | £128K | £28K | |
| 31 Dec 2017 | £154K | £118K | £151K | £39K | |
| 31 Dec 2016 | £144K | £90K | £176K | £69K |
Where Demso Diamond Drilling and Sawing Ltd is registered
The registered office is in Aylesbury (HP20), in the Buckinghamshire local authority area, South East. Show HP20 1BQ on a map.
Other trade companies in HP20
- Fitmechs LtdMechanics and garages
- GSF Motor Parts LimitedMotor traders
- Crownvista Motors LtdMotor traders
- Vellora Property LtdProperty developers
- Thrive Valeting LtdMotor traders
- Desmil LimitedCleaning companies
- Dragon Fire Stopping LimitedInstallers
- VLD Constructions Engineering LtdBuilders
Also registered at this address
1 other company uses the same registered office as Demso Diamond Drilling and Sawing Ltd.
- Connected Cleaning Services LtdCleaning companies
What happens if Demso Diamond Drilling and Sawing 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 08716205
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 October 2013 (13 years ago)
- Registered office
- 193 Cambridge Street, Aylesbury, Buckinghamshire, HP20 1BQ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 2 October 2025
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 Aylesbury
Other active specialist construction companies registered in Aylesbury.
- Dmatteo Ltd2018
- Domy Construction Ltd2024
- DRD Roofing Limited2000
- DVN Brickwork Ltd2024
- Essential Design & Build Limited2014
- Everytrade UK Ltd2023
- Flexy Commercial Group Limited2020
- Frostechnic Limited1993
All specialist construction companies in Aylesbury · All trades in Aylesbury · Specialist contractors across the UK
Frequently asked questions
When are Demso Diamond Drilling and Sawing Ltd's accounts due?
Demso Diamond Drilling and Sawing Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Demso Diamond Drilling and Sawing Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Demso Diamond Drilling and Sawing Ltd still trading?
Demso Diamond Drilling and Sawing 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 Demso Diamond Drilling and Sawing Ltd do?
Demso Diamond Drilling and Sawing Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Demso Diamond Drilling and Sawing Ltd?
Demso Diamond Drilling and Sawing Ltd was incorporated on 3 October 2013, 13 years ago.
What is the penalty if Demso Diamond Drilling and Sawing 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 Demso Diamond Drilling and Sawing 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.