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  4. Summit Alliance Ltd

Summit Alliance Ltd

ActiveNo accounts filed yet accountsSpecialist contractorsLincoln
Company number
17345625
Incorporated
17 Jul 2026
Registered office
30 Abbot Street, Lincoln, LN5 7SN
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
552 days
17 Apr 2028
From the Companies House register, 1 Oct 2026

Summit Alliance Ltd is a newly incorporated private limited company registered in Lincoln, company number 17345625, one of 108 specialist construction companies in Lincoln. Its next accounts are due at Companies House on 17 April 2028, and its first CT600 is due at HMRC on 16 July 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
17 Apr 2028
in 552 days
For the period to 31 Jul 2027
CT600 due (first of two)
16 Jul 2028
in 642 days
Period 17 Jul 2026 to 16 Jul 2027
CT600 due (second of two)
31 Jul 2028
in 657 days
Period 17 Jul 2027 to 31 Jul 2027
Corporation tax payment
1 May 2028
in 566 days
9 months and 1 day after the period end
Confirmation statement
30 Jul 2027
in 290 days

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Where Summit Alliance Ltd is registered

Summit Alliance Ltd's registered office on a map of the UK

The registered office is in Lincoln (LN5), in the Lincoln local authority area, East Midlands. Show LN5 7SN on a map.

Other trade companies in LN5

What happens if Summit Alliance 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 17 April 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late18 Apr 2028 to 17 May 2028£150
1 to 3 months late18 May 2028 to 17 Jul 2028£375
3 to 6 months late18 Jul 2028 to 17 Oct 2028£750
More than 6 months lateFrom 18 Oct 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Aug 2028£200
3 months late31 Oct 2028another £200
6 months late31 Jan 2029HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jul 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
17345625
Status
Active
Company type
Private limited company
Incorporated
17 July 2026
Registered office
30 Abbot Street, Lincoln, LN5 7SN
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 July (accounting reference date)
Accounts type
No accounts filed yet

Filing notes for specialist construction companies

Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.

Similar companies in Lincoln

Other active specialist construction companies registered in Lincoln.

All specialist construction companies in Lincoln · All trades in Lincoln · Specialist contractors across the UK

Frequently asked questions

When are Summit Alliance Ltd's accounts due?

Summit Alliance Ltd's next accounts are due at Companies House by 17 April 2028 (in 552 days), covering the period to 31 July 2027.

When is Summit Alliance 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 16 July 2027, due by 16 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.

Is Summit Alliance Ltd still trading?

Summit Alliance 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 Summit Alliance Ltd do?

Summit Alliance Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is Summit Alliance Ltd?

Summit Alliance Ltd was incorporated on 17 July 2026, less than a year ago.

What is the penalty if Summit Alliance 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 Summit Alliance 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.

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