- Companies
- Specialist contractors
- London
- Mayfair Services Group Ltd
Mayfair Services Group Ltd
- Company number
- 15025575
- Incorporated
- 25 Jul 20233 years trading
- Registered office
- Flat 143, Michael Cliffe House, Skinner Street, London, EC1R 0LN
- Nature of business
- Other specialised construction activities n.e.c.
Mayfair Services Group Ltd is a 3-year-old private limited company registered in London, company number 15025575, one of 4,318 specialist construction companies in London. 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 £5,667 (+18.3%) on the year before, to £37K.
- Current assets of £15K against £11K owed within a year: 1.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £37K | £15K | £11K | 0 | |
| 31 Jul 2024 | £31K | £19K | £10K | 1 |
Who runs and owns Mayfair Services Group Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** M*** | Director | Jul 2023 |
Person with significant control
Where Mayfair Services Group Ltd is registered
The registered office is in London (EC1R), in the Islington local authority area, London. Show EC1R 0LN on a map.
Other trade companies in EC1R
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- Bailmont LimitedFinishing trades
- G2 Core LimitedElectricians
- Penchina Properties Developments LtdProperty developers
- Rabaterra LtdProperty developers
- CF Reading Road LimitedProperty developers
- Evofleet LtdMechanics and garages
What happens if Mayfair Services Group 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 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
- 15025575
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 July 2023 (3 years ago)
- Registered office
- Flat 143, Michael Cliffe House, Skinner Street, London, EC1R 0LN
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 24 July 2026
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 London
Other active specialist construction companies registered in London.
- Maysa Construction Ltd2013
- Mayvera Limited2026
- MBV Refurbishments and Maintenance Ltd2026
- MC&R Ltd2020
- Mca Reinforcement Ltd2021
- McAvan Construction Ltd2021
- MCC London Limited2007
- MCC Midland Projects Limited2026
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Mayfair Services Group Ltd's accounts due?
Mayfair Services Group Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Mayfair Services Group Ltd'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 Mayfair Services Group Ltd still trading?
Mayfair Services Group 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 Mayfair Services Group Ltd do?
Mayfair Services Group Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Mayfair Services Group Ltd?
Mayfair Services Group Ltd was incorporated on 25 July 2023, 3 years ago.
Who runs Mayfair Services Group Ltd?
Mayfair Services Group Ltd has 1 active director, the longest-serving appointed in Jul 2023. Their names and service addresses are on the Companies House register.
Who owns Mayfair Services Group Ltd?
One person or company has significant control of Mayfair Services Group Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Mayfair Services Group 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 Mayfair Services Group 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.