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Companies House · 02265140 Active

Aon Holdings Limited

Private limited company

The Aon Centre The Leadenhall Building, 122 Leadenhall Street, London, EC3V 4AN

Find an accountant View on Companies House

02265140

Company number

6 Jun 1988

Incorporated

3

Active officers

31 Dec 2025

Last accounts made up to

Aon Holdings Limited company overview

Aon Holdings Limited is a private limited company registered with company number 02265140. It was incorporated on 6 Jun 1988 and its current status is active.

The registered office is at The Aon Centre The Leadenhall Building, 122 Leadenhall Street, London, EC3V 4AN. The company has 3 active officers. It was previously called Benfield Holdings Limited and 4 other names.

Aon Holdings Limited upcoming deadlines

Year end accounts

Due 30 Sep 2027

320 days

Confirmation statement

Due 28 Oct 2027

348 days

Corporation tax payment

Due 1 Oct 2027

321 days

Dates are the ones Companies House holds for this company. Late accounts trigger automatic Companies House penalties starting at £150, and HMRC charges interest on late corporation tax.

Aon Holdings Limited at a glance

38 years

Trading age

14,040 days since incorporation

3

Active officers

Cosec, Erica, Gardner

345

Filings on record

Latest: 15 Oct 2026

100/100

Filing health score

Accounts and statement up to date

Directors of Aon Holdings Limited

Nature of business (SIC codes)

64205

Activities of financial services holding companies

Allowable expenses for Aon Holdings Limited

Based on Aon Holdings Limited's SIC code (64205), these are typical tax-deductible expenses for a general business company. Claiming them lowers the profit you pay corporation tax on.

Vehicle & mileage

45p a mile for the first 10,000 business miles in a personal car.

Staff & director salaries

Wages, employer NI and pension contributions paid through PAYE.

Accountancy & legal fees

Bookkeeping, year-end accounts, tax advice and company secretarial costs.

Business insurance

Public liability, professional indemnity and employer's liability cover.

Phone & internet

Business mobile contracts, broadband and a share of home internet.

General guidance only — every expense must be wholly and exclusively for business. Ask an accountant

Tax guide for businesses like Aon Holdings Limited

How much tax does a limited company pay?

UK companies pay corporation tax at 19% on profits up to £50,000, rising to 25% above £250,000, with marginal relief in between. Claiming every allowable expense reduces taxable profit.

Does a company like Aon Holdings Limited need to register for VAT?

VAT registration is compulsory once taxable turnover passes £90,000 in any rolling 12 months. Many businesses register voluntarily to reclaim VAT on costs.

How much does an accountant cost for a limited company in London?

Fixed-fee accountants typically charge £60–£200 a month for a small limited company, covering year-end accounts, corporation tax and the confirmation statement.

Can directors of Aon Holdings Limited pay themselves in dividends?

Most small company directors take a low salary plus dividends. Dividends are paid from profits after corporation tax, with an annual £500 dividend allowance.

Filing history

  1. 15 Oct 2026 · CS01

    Confirmation statement made on 14 Oct 2026 with no updates

  2. 25 Jul 2026 · AA

    Dormant accounts made up to 31 Dec 2025

  3. 24 Oct 2025 · CS01

    Confirmation statement made on 14 Oct 2025 with no updates

  4. 16 Sep 2025 · AA

    Dormant accounts made up to 31 Dec 2024

  5. 5 Dec 2024 · MA

    Memorandum articles

  6. 5 Dec 2024 · RESOLUTIONS

    Resolutions

  7. 5 Dec 2024 · CC04

    Statement of companys objects

  8. 14 Oct 2024 · CS01

    Confirmation statement made on 14 Oct 2024 with no updates

  9. 19 Aug 2024 · AA

    Full accounts made up to 31 Dec 2023

  10. 23 Oct 2023 · CS01

    Confirmation statement made on 23 Oct 2023 with no updates

  11. 25 Jul 2023 · AA

    Full accounts made up to 31 Dec 2022

  12. 25 Oct 2022 · CS01

    Confirmation statement made on 23 Oct 2022 with no updates

  13. 7 Sep 2022 · AA

    Full accounts made up to 31 Dec 2021

  14. 31 Aug 2022 · CH01

    Director's details changed for Mrs Erica Margaret Sergeant on 23 Aug 2022

  15. 30 Aug 2022 · TM01

    Termination of appointment of Pelagia Katsaouni-Dodd as a director on 30 Aug 2022

  16. 2 Nov 2021 · CS01

    Confirmation statement made on 23 Oct 2021 with no updates

  17. 25 Jul 2021 · AA

    Full accounts made up to 31 Dec 2020

  18. 15 Jan 2021 · CS01

    Confirmation statement made on 23 Oct 2020 with no updates

  19. 24 Dec 2020 · AP01

    Appointment of Mr Gardner Mugashu as a director on 3 Jun 2020

  20. 29 Jun 2020 · PSC05

    Change to a person with significant control

Showing the latest 20 of 345 filings. See the full history on Companies House

Accounting services for Aon Holdings Limited

More about Aon Holdings Limited

About Aon Holdings Limited

Aon Holdings Limited is a UK private limited company based in London, registered at Companies House as company number 02265140 since 6 Jun 1988. Its listed activities include activities of financial services holding companies. This page brings together its public record — directors, registered office, nature of business and filing history — in one easy place.

Aon Holdings Limited filings and compliance

Every UK limited company must file annual accounts, a confirmation statement and a corporation tax return each year. Aon Holdings Limited has 345 filings on record. Keeping on top of these deadlines avoids automatic penalties from Companies House and HMRC, which start at £150 for late accounts.

Looking for an accountant in London?

Businesses like Aon Holdings Limited often use a local accountant for year-end accounts, corporation tax, VAT and payroll. Compare fixed-fee, regulated accountants near London and get free quotes in minutes.

This page shows public information from Companies House. Director of Aon Holdings Limited?

Aon Holdings Limited – frequently asked questions

What is the company number of Aon Holdings Limited?

Aon Holdings Limited is registered at Companies House under company number 02265140.

When was Aon Holdings Limited incorporated?

Aon Holdings Limited was incorporated on 6 Jun 1988 as a private limited company.

Who are the directors of Aon Holdings Limited?

Current officers are Cosec 2000 Limited (corporate secretary), Erica Margaret Sergeant (director) and Gardner Mugashu (director).

What does Aon Holdings Limited do?

The company's registered nature of business (SIC) is 64205 – Activities of financial services holding companies.

Where is Aon Holdings Limited registered?

The registered office address is The Aon Centre The Leadenhall Building, 122 Leadenhall Street, London, EC3V 4AN.

Is Aon Holdings Limited still trading?

According to its latest Companies House record the company status is active. Its most recent filing was confirmation statement made on 14 Oct 2026 with no updates on 15 Oct 2026.

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