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Si Sempre Limited

ActiveMicro-entity accountsCleaning companiesDagenham
Company number
11283727
Incorporated
29 Mar 20188 years trading
Registered office
100 Valence Wood Road, Dagenham, RM8 3AP
Nature of business
General cleaning of buildings
Accounts due in
48 days
30 Nov 2026
Net assets
£15K▲
+34.5% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Si Sempre Limited is a 8-year-old private limited company registered in Dagenham, company number 11283727, one of 143 cleaning companies in Dagenham. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.

Key dates

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

Accounts due
30 Nov 2026
in 48 days
For the period to 28 Feb 2026
CT600 due
28 Feb 2027
in 138 days
Period 1 Mar 2025 to 28 Feb 2026
Corporation tax payment
1 Dec 2026
in 49 days
9 months and 1 day after the period end
Confirmation statement
11 Apr 2027
in 180 days
Last made up to 28 Mar 2026

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Finances

From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.

  • Net assets up £3,855 (+34.5%) on the year before, to £15K.
  • Net assets rose in 4 of 6 year-on-year comparisons on record.
  • Current assets of £19K against £385 owed within a year: more than 10 times cover.
  • 1 employee on average, up from 0 the year before.
  • Balance sheets on record for 7 years, 2019 to 2025.

Net assets by year

Net assets at each year end, 2019 to 2025£0£10K£20K28 February 2019: net assets £3,878£3,878201929 February 2020: net assets £5,404£5,404202028 February 2021: net assets £9,463£9,463202128 February 2022: net assets £28K£28K202228 February 2023: net assets £15K£15K202329 February 2024: net assets £11K£11K202428 February 2025: net assets £15K£15K2025
Net assets at each year end, 2019 to 2025£0£10K£20K28 February 2019: net assets £3,878£3,878'1929 February 2020: net assets £5,404£5,404'2028 February 2021: net assets £9,463£9,463'2128 February 2022: net assets £28K£28K'2228 February 2023: net assets £15K£15K'2329 February 2024: net assets £11K£11K'2428 February 2025: net assets £15K£15K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
28 Feb 2025£15K£19K£3851
29 Feb 2024£11K£17K0
28 Feb 2023£15K£23K0
28 Feb 2022£28K£44K£4,5611
28 Feb 2021£9,463£23K£8420
29 Feb 2020£5,404£6,619£1,2150
28 Feb 2019£3,878£4,172£294

Where Si Sempre Limited is registered

Si Sempre Limited's registered office on a map of the UK

The registered office is in Dagenham (RM8), in the Barking and Dagenham local authority area, London. Show RM8 3AP on a map.

Other trade companies in RM8

Also registered at this address

1 other company uses the same registered office as Si Sempre Limited.

What happens if Si Sempre 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 30 November 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Dec 2026 to 31 Dec 2026£150
1 to 3 months late1 Jan 2027 to 28 Feb 2027£375
3 to 6 months late1 Mar 2027 to 31 May 2027£750
More than 6 months lateFrom 1 Jun 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Mar 2027£200
3 months late28 May 2027another £200
6 months late28 Aug 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late28 Feb 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
11283727
Status
Active
Company type
Private limited company
Incorporated
29 March 2018 (8 years ago)
Registered office
100 Valence Wood Road, Dagenham, RM8 3AP
Nature of business
General cleaning of buildings (SIC 81210)
Year end
28 February (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
28 February 2025
Last confirmation statement
28 March 2026

Filing notes for cleaning companies

Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.

Similar companies in Dagenham

Other active cleaning companies registered in Dagenham.

All cleaning companies in Dagenham · All trades in Dagenham · Cleaning companies across the UK

Frequently asked questions

When are Si Sempre Limited's accounts due?

Si Sempre Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.

When is Si Sempre Limited's CT600 due?

The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.

Is Si Sempre Limited still trading?

Si Sempre 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 Si Sempre Limited do?

Si Sempre Limited is registered under General cleaning of buildings (SIC 81210).

How old is Si Sempre Limited?

Si Sempre Limited was incorporated on 29 March 2018, 8 years ago.

What is the penalty if Si Sempre 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 Si Sempre 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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