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  4. As Built Engineering Ltd

As Built Engineering Ltd

ActiveNo accounts filed yet accountsCivil engineeringKilmarnock
Company number
SC899575
Incorporated
18 Aug 2026
Registered office
10 Eglintoun Road, Stewarton, Kilmarnock, KA3 3JA
Nature of business
Construction of other civil engineering projects n.e.c.
Accounts due in
584 days
18 May 2028
From the Companies House register, 1 Oct 2026

As Built Engineering Ltd is a newly incorporated private limited company registered in Kilmarnock, company number SC899575, one of 50 civil engineering contractors in Kilmarnock. Its next accounts are due at Companies House on 18 May 2028, and its first CT600 is due at HMRC on 17 August 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
18 May 2028
in 584 days
For the period to 31 Aug 2027
CT600 due (first of two)
17 Aug 2028
in 675 days
Period 18 Aug 2026 to 17 Aug 2027
CT600 due (second of two)
31 Aug 2028
in 689 days
Period 18 Aug 2027 to 31 Aug 2027
Corporation tax payment
1 Jun 2028
in 598 days
9 months and 1 day after the period end
Confirmation statement
31 Aug 2027
in 323 days

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Who runs and owns As Built Engineering Ltd

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

Officer

NameRoleAppointed
A*** S***DirectorAug 2026

Person with significant control

Individual · since Aug 2026
A*** S***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Where As Built Engineering Ltd is registered

As Built Engineering Ltd's registered office on a map of the UK

The registered office is in Kilmarnock (KA3), in the East Ayrshire local authority area, Scotland. Show KA3 3JA on a map.

Other trade companies in KA3

What happens if As Built Engineering 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 18 May 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late19 May 2028 to 18 Jun 2028£150
1 to 3 months late19 Jun 2028 to 18 Aug 2028£375
3 to 6 months late19 Aug 2028 to 18 Nov 2028£750
More than 6 months lateFrom 19 Nov 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Sep 2028£200
3 months late30 Nov 2028another £200
6 months late28 Feb 2029HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Aug 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
SC899575
Status
Active
Company type
Private limited company
Incorporated
18 August 2026
Registered office
10 Eglintoun Road, Stewarton, Kilmarnock, KA3 3JA
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Year end
31 August (accounting reference date)
Accounts type
No accounts filed yet

Filing notes for civil engineering contractors

Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.

Similar companies in Kilmarnock

Other active civil engineering contractors registered in Kilmarnock.

All civil engineering contractors in Kilmarnock · All trades in Kilmarnock · Civil engineering across the UK

Frequently asked questions

When are As Built Engineering Ltd's accounts due?

As Built Engineering Ltd's next accounts are due at Companies House by 18 May 2028 (in 584 days), covering the period to 31 August 2027.

When is As Built Engineering 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 17 August 2027, due by 17 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.

Is As Built Engineering Ltd still trading?

As Built Engineering 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 As Built Engineering Ltd do?

As Built Engineering Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).

How old is As Built Engineering Ltd?

As Built Engineering Ltd was incorporated on 18 August 2026, less than a year ago.

Who runs As Built Engineering Ltd?

As Built Engineering Ltd has 1 active director, the longest-serving appointed in Aug 2026. Their names and service addresses are on the Companies House register.

Who owns As Built Engineering Ltd?

One person or company has significant control of As Built Engineering Ltd: an individual (owns 75% or more of the shares).

What is the penalty if As Built Engineering 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 As Built Engineering 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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