3i PLC company overview
3i PLC is a public limited company registered with company number 00397156. It was incorporated on 21 Jul 1945 and its current status is active.
The registered office is at 1 Knightsbridge, London, SW1X 7LX. The company has 4 active officers. It was previously called Investors In Industry PLC and 2 other names.
3i PLC upcoming deadlines
Year end accounts
Due 30 Sep 2027
Confirmation statement
Due 15 Apr 2027
Corporation tax payment
Due 1 Jan 2028
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.
3i PLC at a glance
81 years
Trading age
29,698 days since incorporation
4
Active officers
Kevin, Jasi, James, Clare
551
Filings on record
Latest: 27 May 2026
100/100
Filing health score
Accounts and statement up to date
Directors of 3i PLC
Former officers
138 more officers are on the register. See all on Companies House
Nature of business (SIC codes)
64999
Financial intermediation not elsewhere classified
Allowable expenses for 3i PLC
Based on 3i PLC's SIC code (64999), 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 3i PLC
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 3i PLC 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 3i PLC 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
27 May 2026 · AA
Full accounts made up to 31 Mar 2026
1 Apr 2026 · CS01
Confirmation statement made on 1 Apr 2026 with no updates
27 May 2025 · AA
Full accounts made up to 31 Mar 2025
14 May 2025 · CS01
Confirmation statement made on 14 May 2025 with no updates
10 Feb 2025 · AD01
Registered office address changed on 10 Feb 2025
10 Feb 2025 · CH03
Change person secretary company with change date
10 Feb 2025 · CH01
Director's details changed for Mr Kevin John Dunn on 10 Feb 2025
10 Feb 2025 · PSC05
Change to a person with significant control
10 Feb 2025 · CH01
Director's details changed for Mr James Graham Hatchley on 10 Feb 2025
10 Feb 2025 · CH01
Director's details changed for Ms Jasi Hari Halai on 10 Feb 2025
4 Jun 2024 · AA
Full accounts made up to 31 Mar 2024
15 May 2024 · CS01
Confirmation statement made on 14 May 2024 with no updates
3 Jul 2023 · AP03
Appointment of Mrs Clare Calderwood as a secretary on 1 Jul 2023
3 Jul 2023 · TM02
Termination of appointment of Jonathan Charles Murphy as a secretary on 1 Jul 2023
10 Jun 2023 · AA
Full accounts made up to 31 Mar 2023
11 May 2023 · CS01
Confirmation statement made on 11 May 2023 with no updates
1 Jul 2022 · TM01
Termination of appointment of Julia Susan Wilson as a director on 30 Jun 2022
16 May 2022 · AA
Full accounts made up to 31 Mar 2022
11 May 2022 · CS01
Confirmation statement made on 11 May 2022 with no updates
1 Apr 2022 · AP01
Appointment of Mr James Graham Hatchley as a director on 1 Apr 2022
Showing the latest 20 of 551 filings. See the full history on Companies House
Accounting services for 3i PLC
From tax to payroll, find accountants who look after every part of 3i PLC’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 3i PLC
About 3i PLC
3i PLC is a UK public limited company based in London, registered at Companies House as company number 00397156 since 21 Jul 1945. Its listed activities include financial intermediation not elsewhere classified. This page brings together its public record — directors, registered office, nature of business and filing history — in one easy place.
3i PLC filings and compliance
Every UK limited company must file annual accounts, a confirmation statement and a corporation tax return each year. 3i PLC has 551 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 3i PLC 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 3i PLC?
3i PLC – frequently asked questions
What is the company number of 3i PLC?
3i PLC is registered at Companies House under company number 00397156.
When was 3i PLC incorporated?
3i PLC was incorporated on 21 Jul 1945 as a public limited company.
Who are the directors of 3i PLC?
Current officers are Kevin John Dunn (director), Jasi Hari Halai (director), James Graham Hatchley (director) and Clare Calderwood (secretary).
What does 3i PLC do?
The company's registered nature of business (SIC) is 64999 – Financial intermediation not elsewhere classified.
Where is 3i PLC registered?
The registered office address is 1 Knightsbridge, London, SW1X 7LX.
Is 3i PLC still trading?
According to its latest Companies House record the company status is active. Its most recent filing was full accounts made up to 31 Mar 2026 on 27 May 2026.