- Company number
- 08328420
- Incorporated
- 12 Dec 201213 years trading
- Registered office
- Janay Sec Suite 2, Unit 2 Bradburys Court, Lyon Road, Harrow, Middlesex, HA1 2BY
- Nature of business
- Construction of commercial buildings
Mark Building Services Limited is a 13-year-old private limited company registered in Harrow, company number 08328420, one of 793 building contractors in Harrow. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
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 £2,986 (-10.8%) on the year before, to £25K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £33K against £7,520 owed within a year: 4.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | £25K | £33K | £7,520 | 0 | |
| 31 Dec 2023 | £28K | £37K | £8,778 | 1 | |
| 31 Dec 2022 | £24K | £38K | £14K | 1 | |
| 31 Dec 2021 | £12K | £39K | £26K | 1 | |
| 31 Dec 2020 | £14K | £35K | £20K | 1 | |
| 31 Dec 2019 | £15K | £22K | £5,256 | ||
| 31 Dec 2018 | £26K | £82K | £56K | 1 | |
| 31 Dec 2017 | £26K | £52K | £25K | ||
| 31 Dec 2016 | £25K | £47K | £23K | ||
| 31 Dec 2015 | £22K | £9,008 | £35K | £14K |
Where Mark Building Services Limited is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 2BY on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Also registered at this address
16 other companies use the same registered office as Mark Building Services Limited.
- 21 Degrees Heating LimitedPlumbers and heating engineers
- Crhi LimitedCivil engineering
- Dell Facilities LimitedBuilders
- DPF Cleaning Specialist LimitedMechanics and garages
- Dragos Contractors LtdBuilders
- Eaglestone Building LimitedBuilders
- J C Brothers LimitedBuilders
- Jce Maninvest LimitedCleaning companies
- John Cirmaci Builders LimitedBuilders
- KWV LtdPlasterers
- Motacus Constructions LimitedBuilders
- Motacus LimitedProperty developers
- Motacus Plumbing & Heating LimitedPlumbers and heating engineers
- MPJ Solutions Group LimitedProperty developers
- P R Property Renovation LtdJoiners and carpenters
- Rayners Close LimitedProperty developers
What happens if Mark Building Services 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 08328420
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 December 2012 (13 years ago)
- Registered office
- Janay Sec Suite 2, Unit 2 Bradburys Court, Lyon Road, Harrow, Middlesex, HA1 2BY
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 26 December 2025
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 Harrow
Other active building contractors registered in Harrow.
- Martin3X Ltd2024
- Maruti Apparel Limited2018
- Marutidecoration Ltd2026
- Master Build (London) Ltd2023
- Master Building Maintenance Ltd2021
- Mat Buildmasters Ltd2024
- Mav NN Ltd2026
- Max C Building Ltd.2025
All building contractors in Harrow · All trades in Harrow · Builders across the UK
Frequently asked questions
When are Mark Building Services Limited's accounts due?
Mark Building Services Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Mark Building Services 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 31 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mark Building Services Limited still trading?
Mark Building Services 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 Mark Building Services Limited do?
Mark Building Services Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Mark Building Services Limited?
Mark Building Services Limited was incorporated on 12 December 2012, 13 years ago.
What is the penalty if Mark Building Services 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 Mark Building Services 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.