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  4. Seehorizons Limited

Seehorizons Limited

ActiveNo accounts filed yet accountsFinishing tradesIsleworth
Company number
16943816
Incorporated
5 Jan 2026
Registered office
46 Syon Lane, Isleworth, Middlesex, TW7 5NQ
Nature of business
Other building completion and finishing
Accounts due in
357 days
5 Oct 2027
From the Companies House register, 1 Oct 2026

Seehorizons Limited is a newly incorporated private limited company registered in Isleworth, company number 16943816, one of 30 building finishing companies in Isleworth. Its next accounts are due at Companies House on 5 October 2027, and its first CT600 is due at HMRC on 4 January 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.

Accounts due
5 Oct 2027
in 357 days
For the period to 31 Jan 2027
CT600 due (first of two)
4 Jan 2028
in 448 days
Period 5 Jan 2026 to 4 Jan 2027
CT600 due (second of two)
31 Jan 2028
in 475 days
Period 5 Jan 2027 to 31 Jan 2027
Corporation tax payment
1 Nov 2027
in 384 days
9 months and 1 day after the period end
Confirmation statement
18 Jan 2027
in 97 days

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Where Seehorizons Limited is registered

Seehorizons Limited's registered office on a map of the UK

The registered office is in Isleworth (TW7), in the Hounslow local authority area, London. Show TW7 5NQ on a map.

Other trade companies in TW7

Also registered at this address

19 other companies use the same registered office as Seehorizons Limited.

What happens if Seehorizons Limited 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 5 October 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late6 Oct 2027 to 5 Nov 2027£150
1 to 3 months late6 Nov 2027 to 5 Jan 2028£375
3 to 6 months late6 Jan 2028 to 5 Apr 2028£750
More than 6 months lateFrom 6 Apr 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Feb 2028£200
3 months late30 Apr 2028another £200
6 months late31 Jul 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jan 2029another 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
16943816
Status
Active
Company type
Private limited company
Incorporated
5 January 2026
Registered office
46 Syon Lane, Isleworth, Middlesex, TW7 5NQ
Nature of business
Other building completion and finishing (SIC 43390)
Year end
31 January (accounting reference date)
Accounts type
No accounts filed yet

Filing notes for building finishing companies

Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.

Similar companies in Isleworth

Other active building finishing companies registered in Isleworth.

All building finishing companies in Isleworth · All trades in Isleworth · Finishing trades across the UK

Frequently asked questions

When are Seehorizons Limited's accounts due?

Seehorizons Limited's next accounts are due at Companies House by 5 October 2027 (in 357 days), covering the period to 31 January 2027.

When is Seehorizons Limited's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 4 January 2027, due by 4 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.

Is Seehorizons Limited still trading?

Seehorizons Limited 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 Seehorizons Limited do?

Seehorizons Limited is registered under Other building completion and finishing (SIC 43390).

How old is Seehorizons Limited?

Seehorizons Limited was incorporated on 5 January 2026, less than a year ago.

What is the penalty if Seehorizons Limited 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 Seehorizons Limited 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.

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