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- Phase+Flow Ltd
Company profile · Electricians
Phase+Flow Ltd
Phase+Flow Ltd is a 5-year-old private limited company registered in Fitzrovia, company number 13301012, one of the UK's electrical contractors. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Phase+Flow Ltd over the years
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 £8,894 (+162.5%) on the year before, to £3,421.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £5,812 against £4,178 owed within a year: 1.4 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £3,421 | £5,812 | £4,178 | 0 | |
| 31 Mar 2024 | -£5,473 | £4,180 | £8,681 | 0 | |
| 31 Mar 2023 | £907 | £6,549 | 0 | ||
| 31 Mar 2022 | £2 | £2 |
Where Phase+Flow Ltd is registered
The registered office is in Fitzrovia (W1T), in the Camden local authority area, London. Show W1T 6EB on a map.
Other trade companies in W1T
- Preschools Cleaning Company LtdCleaning companies
- Northheat Plumbing & Heating LtdPlumbers and heating engineers
- Leuk Lift Engineering UK LtdMachinery repair and installation
- Az Maintenance Services LimitedFinishing trades
- Braintree Property Service LtdBuilders
- Nona Construction & Retrofit LtdBuilders
- Denvav LimitedBuilders
- Marshall Roofing Services LtdRoofers
Also registered at this address
6 other companies use the same registered office as Phase+Flow Ltd.
- Castlefields Services LtdFacilities management
- CLNR LtdCleaning companies
- Gas Safety Certificates LtdPlumbers and heating engineers
- Luxury Cleaning4You LtdCleaning companies
- MRS Roofing Specialist LtdRoofers
- TK Cleaning Solutions LtdCleaning companies
What happens if Phase+Flow 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 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
- 13301012
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 March 2021 (5 years ago)
- Registered office
- 45, Silverstream House, Fitzroy Street, Fitzrovia, London, W1T 6EB
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 28 March 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies
Other active electrical contractors.
- Bear in Mind Audio Visual Ltd2021
- Select Electrical Ne Ltd2021
- Begley Electrical Installations Ltd2021
- SKT Electrical Automation Ltd2021
- Jackson's Electrical Limited2021
- SJC Electrical Management Ltd2021
- S.J.R Elec & Mech Services Ltd2021
- Evalec Electrical Ltd2021
Frequently asked questions
When are Phase+Flow Ltd's accounts due?
Phase+Flow Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Phase+Flow Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Phase+Flow Ltd still trading?
Phase+Flow 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 Phase+Flow Ltd do?
Phase+Flow Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Phase+Flow Ltd?
Phase+Flow Ltd was incorporated on 29 March 2021, 5 years ago.
What is the penalty if Phase+Flow 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 Phase+Flow 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.