1. Companies
  2. Builders
  3. London
  4. Siguv Ltd

Siguv Ltd

ActiveMicro-entity accountsBuildersLondon
Company number
15944312
Incorporated
9 Sep 20242 years trading
Registered office
60 Tottenham Court Road 60 Tottenham Court Road, Fitzrovia, Office 1243, London, W1T 2EW
Nature of business
Construction of commercial buildings; Electrical installation; Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.
Accounts due in
260 days
30 Jun 2027
Net assets
-£348
At 30 Sep 2025
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

Siguv Ltd is a 2-year-old private limited company registered in London, company number 15944312, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
30 Jun 2027
in 260 days
For the period to 30 Sep 2026
CT600 due
30 Sep 2027
in 352 days
Period 1 Oct 2025 to 30 Sep 2026
Corporation tax payment
1 Jul 2027
in 261 days
9 months and 1 day after the period end
Confirmation statement
22 Sep 2027
in 344 days
Last made up to 8 Sep 2026

Is this your company?

File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.

File for Siguv Ltd

Or get a reminder before each deadline

Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.

Financial snapshot, 2025

From the balance sheet at 30 September 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.

Net assets
-£348
Current assets
£19K
Employees
0
Average during the year, including directors

Who runs and owns Siguv Ltd

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officer

NameRoleAppointed
M*** G***DirectorSep 2024

Person with significant control

Individual · since Sep 2024
M*** G***
Owns 50% to 75% of the shares
Holds 50% to 75% of the votes
Can appoint and remove directors

Where Siguv Ltd is registered

Siguv Ltd's registered office on a map of the UK

The registered office is in London (W1T), in the Camden local authority area, London. Show W1T 2EW on a map.

Other trade companies in W1T

Also registered at this address

1 other company uses the same registered office as Siguv Ltd.

What happens if Siguv 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 June 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jul 2027 to 31 Jul 2027£150
1 to 3 months late1 Aug 2027 to 30 Sep 2027£375
3 to 6 months late1 Oct 2027 to 31 Dec 2027£750
More than 6 months lateFrom 1 Jan 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Oct 2027£200
3 months late30 Dec 2027another £200
6 months late30 Mar 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Sep 2028another 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
15944312
Status
Active
Company type
Private limited company
Incorporated
9 September 2024 (2 years ago)
Registered office
60 Tottenham Court Road 60 Tottenham Court Road, Fitzrovia, Office 1243, London, W1T 2EW
Nature of business
Construction of commercial buildings (SIC 41201)
Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999)
Year end
30 September (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 September 2025
Last confirmation statement
8 September 2026

Filing notes for building contractors

Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.

Similar companies in London

Other active building contractors registered in London.

All building contractors in London · All trades in London · Builders across the UK

Frequently asked questions

When are Siguv Ltd's accounts due?

Siguv Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.

When is Siguv Ltd's CT600 due?

The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.

Is Siguv Ltd still trading?

Siguv 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 Siguv Ltd do?

Siguv Ltd is registered under Construction of commercial buildings (SIC 41201); Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999).

How old is Siguv Ltd?

Siguv Ltd was incorporated on 9 September 2024, 2 years ago.

Who runs Siguv Ltd?

Siguv Ltd has 1 active director, the longest-serving appointed in Sep 2024. Their names and service addresses are on the Companies House register.

Who owns Siguv Ltd?

One person or company has significant control of Siguv Ltd: an individual (owns 50% to 75% of the shares).

What is the penalty if Siguv 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 Siguv Ltd on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

File accounts + CT600File now£49Let's talk