- Companies
- Property developers
- Northampton
- Reactive Co MK Ltd
Reactive Co MK Ltd
- Company number
- 15486865
- Incorporated
- 13 Feb 20242 years trading
- Registered office
- Jervis & Partners Limited,, Harborough Road, Northampton, NN2 7AZ
- Nature of business
- Development of building projects; Other construction installation; Joinery installation; Other building completion and finishing
Reactive Co MK Ltd is a 2-year-old private limited company registered in Northampton, company number 15486865, one of 390 property development companies in Northampton. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £12K on the year before, to -£13K.
- Current assets of £4,261 against £12K owed within a year: 0.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | -£13K | £2,676 | £4,261 | £12K | 2 |
| 31 Mar 2025 | -£82 | £1,765 | £3,817 | £5,105 | 2 |
Where Reactive Co MK Ltd is registered
The registered office is in Northampton (NN2), in the West Northamptonshire local authority area, East Midlands. Show NN2 7AZ on a map.
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What happens if Reactive Co MK 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 15486865
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 February 2024 (2 years ago)
- Registered office
- Jervis & Partners Limited,, Harborough Road, Northampton, NN2 7AZ
- Nature of business
- Development of building projects (SIC 41100)
Other construction installation (SIC 43290)
Joinery installation (SIC 43320)
Other building completion and finishing (SIC 43390) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 30 January 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Northampton
Other active property development companies registered in Northampton.
- Realty Northampton Limited2012
- Regal Vision Ltd2021
- Regent Construction Northampton Ltd2025
- Renaissance Elite Construction Ltd2024
- Resco Holdings Limited2017
- Reservoir Residences Limited2016
- Residential Development Consultants Ltd2003
- Ridge Line Projects Limited2017
All property development companies in Northampton · All trades in Northampton · Property developers across the UK
Frequently asked questions
When are Reactive Co MK Ltd's accounts due?
Reactive Co MK Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Reactive Co MK Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Reactive Co MK Ltd still trading?
Reactive Co MK 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 Reactive Co MK Ltd do?
Reactive Co MK Ltd is registered under Development of building projects (SIC 41100); Other construction installation (SIC 43290); Joinery installation (SIC 43320); Other building completion and finishing (SIC 43390).
How old is Reactive Co MK Ltd?
Reactive Co MK Ltd was incorporated on 13 February 2024, 2 years ago.
What is the penalty if Reactive Co MK 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 Reactive Co MK 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.