- Companies
- Plumbers and heating engineers
- Bonnyrigg
- Mark Robertson Limited
Mark Robertson Limited
- Company number
- SC381281
- Incorporated
- 1 Jul 201016 years trading
- Registered office
- 1A Hopefield Park, Bonnyrigg, Midlothian, EH19 2NE
- Nature of business
- Plumbing, heat and air-conditioning installation; Other building completion and finishing
Mark Robertson Limited is a 16-year-old private limited company registered in Bonnyrigg, company number SC381281, one of 8 plumbing and heating companies in Bonnyrigg. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £16K (+62.9%) on the year before, to -£9,681.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £19K against £47K owed within a year: 0.4 times cover.
- 6 employees on average, down from 7 the year before.
- 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 Jul 2025 | -£9,681 | £19K | £47K | 6 | |
| 31 Jul 2024 | -£26K | £28K | £53K | 7 | |
| 31 Jul 2023 | -£36K | £15K | £49K | 7 | |
| 31 Jul 2022 | -£24K | £9,371 | £17K | £48K | 7 |
| 31 Jul 2021 | £2,455 | £57K | £59K | £74K | 7 |
| 31 Jul 2020 | £14K | £78K | £78K | £74K | 7 |
| 31 Jul 2019 | £3,317 | £8,979 | £9,459 | £18K | |
| 31 Jul 2018 | -£19K | £124 | £5,016 | £24K | |
| 31 Jul 2017 | -£22K | £785 | £2,485 | £26K | |
| 31 Jul 2016 | -£18K | £3,886 | £7,096 | £27K |
Who runs and owns Mark Robertson Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| Y*** R*** | Director | Jul 2010 |
Person with significant control
Where Mark Robertson Limited is registered
The registered office is in Bonnyrigg (EH19), in the Midlothian local authority area, Scotland. Show EH19 2NE on a map.
Other trade companies in EH19
- KSM Landscaping LtdLandscapers and gardeners
- D Dobbie Glazing LimitedGlaziers
- Scocasa Group LtdProperty developers
- The Edinburgh Power Clean Company LtdCleaning companies
- Barbom LtdJoiners and carpenters
- Sphynx Group LtdCleaning companies
- Revvive Motors LimitedMotor traders
- Project 21 Detail (Edinburgh) LtdCleaning companies
Also registered at this address
1 other company uses the same registered office as Mark Robertson Limited.
- Mark Robertson & Sons LtdSpecialist contractors
What happens if Mark Robertson 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- SC381281
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 July 2010 (16 years ago)
- Registered office
- 1A Hopefield Park, Bonnyrigg, Midlothian, EH19 2NE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other building completion and finishing (SIC 43390) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 29 May 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Bonnyrigg
Other active plumbing and heating companies registered in Bonnyrigg.
- McGuire Heating Ltd2018
- McGuire Plumbing Ltd2022
- Plumb Scotland Ltd2025
- Reliaheat Ltd2020
- Ross Armstrong Gas Central Heating & Plumbing Services Limited2015
- Gma Air Conditioning Ltd2024
- Lasswade Plumbing and Heating Limited2018
All plumbing and heating companies in Bonnyrigg · All trades in Bonnyrigg · Plumbers and heating engineers across the UK
Frequently asked questions
When are Mark Robertson Limited's accounts due?
Mark Robertson Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Mark Robertson Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Mark Robertson Limited still trading?
Mark Robertson 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 Robertson Limited do?
Mark Robertson Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other building completion and finishing (SIC 43390).
How old is Mark Robertson Limited?
Mark Robertson Limited was incorporated on 1 July 2010, 16 years ago.
Who runs Mark Robertson Limited?
Mark Robertson Limited has 1 active director, the longest-serving appointed in Jul 2010. Their names and service addresses are on the Companies House register.
Who owns Mark Robertson Limited?
One person or company has significant control of Mark Robertson Limited: an individual (has significant influence or control).
What is the penalty if Mark Robertson 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 Robertson 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.