Aon UK Limited company overview
Aon UK Limited is a private limited company registered with company number 00210725. It was incorporated on 29 Dec 1925 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 10 active officers. It was previously called Aon Risk Management Services UK Limited and 4 other names.
Aon UK Limited upcoming deadlines
Year end accounts
Due 30 Sep 2027
Confirmation statement
Due 16 Feb 2027
Corporation tax payment
Due 1 Oct 2027
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 UK Limited at a glance
100 years
Trading age
36,843 days since incorporation
10
Active officers
Iraj, Carole, Dean, Kirstine
473
Filings on record
Latest: 30 Oct 2026
100/100
Filing health score
Accounts and statement up to date
Directors of Aon UK Limited
Former officers
84 more officers are on the register. See all on Companies House
Nature of business (SIC codes)
66220
Activities of insurance agents and brokers
Allowable expenses for Aon UK Limited
Based on Aon UK Limited's SIC code (66220), 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 UK 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 UK 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 UK 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
30 Oct 2026 · TM01
Termination of appointment of Andrew Charles Gordon Laing as a director on 16 Oct 2026
11 Aug 2026 · AP01
Appointment of Mrs Tracy Lee Kus as a director on 7 Aug 2026
6 Aug 2026 · AP01
Appointment of Ms Helene Madell as a director on 5 Aug 2026
30 Jun 2026 · TM01
Termination of appointment of Jane Elizabeth Kielty-O'gara as a director on 23 Jun 2026
31 May 2026 · AA
Full accounts made up to 31 Dec 2025
16 May 2026 · RESOLUTIONS
Resolutions
16 May 2026 · MA
Memorandum articles
16 May 2026 · CC04
Statement of companys objects
3 Feb 2026 · CS01
Confirmation statement made on 2 Feb 2026 with no updates
12 Dec 2025 · TM01
Termination of appointment of Matthew Paul Kimber as a director on 11 Dec 2025
20 Oct 2025 · AP01
Appointment of Mr Andrew Charles Gordon Laing as a director on 10 Oct 2025
15 Oct 2025 · TM01
Termination of appointment of Rupert James St. Aubyn Moore as a director on 10 Oct 2025
28 Aug 2025 · AP01
Appointment of Lucinda Claire Charles -Jones as a director on 28 Aug 2025
24 Jul 2025 · AA
Full accounts made up to 31 Dec 2024
1 May 2025 · AP01
Appointment of Mr Neil Richard Davies as a director on 1 May 2025
1 May 2025 · TM01
Termination of appointment of Nathan Patrick Shanaghy as a director on 1 May 2025
3 Apr 2025 · TM01
Termination of appointment of John James Nicholson as a director on 31 Mar 2025
4 Feb 2025 · CS01
Confirmation statement made on 2 Feb 2025 with no updates
5 Dec 2024 · AP01
Appointment of Mr Steven Michael King as a director on 2 Dec 2024
19 Aug 2024 · AA
Full accounts made up to 31 Dec 2023
Showing the latest 20 of 473 filings. See the full history on Companies House
Accounting services for Aon UK Limited
From tax to payroll, find accountants who look after every part of Aon UK Limited’s finances.
Year-end accounts
Statutory accounts prepared and filed with Companies House on time, every year.
Corporation tax
CT600 returns filed with HMRC and tax planned so you only pay what you owe.
Payroll
Pay your team on time every month, with RTI submissions and pensions handled.
VAT & bookkeeping
Keep your books tidy and your VAT returns MTD-ready all year round.
Confirmation statement
Your annual confirmation statement checked and filed before the deadline.
Management accounts
Monthly or quarterly reports so you can see how the business is really doing.
More about Aon UK Limited
About Aon UK Limited
Aon UK Limited is a UK private limited company based in London, registered at Companies House as company number 00210725 since 29 Dec 1925. Its listed activities include activities of insurance agents and brokers. This page brings together its public record — directors, registered office, nature of business and filing history — in one easy place.
Aon UK Limited filings and compliance
Every UK limited company must file annual accounts, a confirmation statement and a corporation tax return each year. Aon UK Limited has 473 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 UK 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 UK Limited?
Aon UK Limited – frequently asked questions
What is the company number of Aon UK Limited?
Aon UK Limited is registered at Companies House under company number 00210725.
When was Aon UK Limited incorporated?
Aon UK Limited was incorporated on 29 Dec 1925 as a private limited company.
Who are the directors of Aon UK Limited?
Current officers are Iraj Amiri (director), Carole Ann Judd (director), Dean Leonard Clarke (secretary), Kirstine Ann Cooper (director), Mark Winlow (director), Steven Michael King (director) and 4 more.
What does Aon UK Limited do?
The company's registered nature of business (SIC) is 66220 – Activities of insurance agents and brokers.
Where is Aon UK Limited registered?
The registered office address is The Aon Centre The Leadenhall Building, 122 Leadenhall Street, London, EC3V 4AN.
Is Aon UK Limited still trading?
According to its latest Companies House record the company status is active. Its most recent filing was termination of appointment of Andrew Charles Gordon Laing as a director on 16 Oct 2026 on 30 Oct 2026.