- Companies
- Machinery repair and installation
- London
- Synchronous Ltd
Synchronous Ltd
- Company number
- 17243873
- Incorporated
- 26 May 2026
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Installation of industrial machinery and equipment; Other information technology service activities; Management consultancy activities other than financial management; Other engineering activities
Synchronous Ltd is a newly incorporated private limited company registered in London, company number 17243873, one of 1,743 machinery repair and installation companies in London. Its next accounts are due at Companies House on 26 February 2028, and its first CT600 is due at HMRC on 25 May 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Synchronous Ltd is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 7GU on a map.
Other trade companies in N1
- Tagwise LtdSpecialist contractors
- Sphere Aviation Solutions UK LtdMachinery repair and installation
- Get IT Done Builders LtdJoiners and carpenters
- Evolution Products LimitedMotor traders
- Fleetstone Trading LtdMotor traders
- Kenneth Brady LtdElectricians
- UK Import Export LtdBuilders
- Magic Door Services LimitedMachinery repair and installation
Shared registered office
1,583 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Synchronous 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 26 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Feb 2028 to 26 Mar 2028 | £150 |
| 1 to 3 months late | 27 Mar 2028 to 26 May 2028 | £375 |
| 3 to 6 months late | 27 May 2028 to 26 Aug 2028 | £750 |
| More than 6 months late | From 27 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 17243873
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 May 2026
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
Other information technology service activities (SIC 62090)
Management consultancy activities other than financial management (SIC 70229)
Other engineering activities (SIC 71129) - Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in London
Other active machinery repair and installation companies registered in London.
- Synthesiser Service Centre Limited1995
- Syrano Shipping Ltd2019
- Szeftronic Service Ltd2025
- T&A Tech Ltd2024
- T. Adelodun Engineering Solutions Limited2015
- Takamo Ltd2014
- Takcooling Limited2025
- Talaj Handyman Ltd2021
All machinery repair and installation companies in London · All trades in London · Machinery repair and installation across the UK
Frequently asked questions
When are Synchronous Ltd's accounts due?
Synchronous Ltd's next accounts are due at Companies House by 26 February 2028 (in 502 days), covering the period to 31 May 2027.
When is Synchronous Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 25 May 2027, due by 25 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Synchronous Ltd still trading?
Synchronous 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 Synchronous Ltd do?
Synchronous Ltd is registered under Installation of industrial machinery and equipment (SIC 33200); Other information technology service activities (SIC 62090); Management consultancy activities other than financial management (SIC 70229); Other engineering activities (SIC 71129).
How old is Synchronous Ltd?
Synchronous Ltd was incorporated on 26 May 2026, less than a year ago.
What is the penalty if Synchronous 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 Synchronous 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.