Oilennium Limited company overview
Oilennium Limited is a private limited company registered with company number 04342156. It was incorporated on 18 Dec 2001 and its current status is active.
The registered office is at 170 Piccadilly, London, W1J 9EJ. The company has 3 active officers.
Oilennium Limited upcoming deadlines
Year end accounts
Was due 30 Sep 2025
Confirmation statement
Due 15 Aug 2027
Corporation tax payment
Was due 1 Oct 2025
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.
Oilennium Limited at a glance
24 years
Trading age
9,098 days since incorporation
3
Active officers
Carolyn, James, Anna
116
Filings on record
Latest: 23 Oct 2026
55/100
Filing health score
A filing is overdue
Directors of Oilennium Limited
Former officers
11 more officers are on the register. See all on Companies House
Nature of business (SIC codes)
70229
Management consultancy activities other than financial management
Allowable expenses for Oilennium Limited
Based on Oilennium Limited's SIC code (70229), these are typical tax-deductible expenses for a professional & creative services company. Claiming them lowers the profit you pay corporation tax on.
Design tools & equipment
Creative software, cameras, drawing tablets and props.
Professional memberships
HMRC-approved professional body subscriptions.
Business travel
Trains, flights, hotels and subsistence for client work.
Working from home
A share of household bills or the £6-a-week flat rate.
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 Oilennium Limited
How much tax does a professional & creative services 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 Oilennium 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 Oilennium 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
23 Oct 2026 · PSC05
Change to a person with significant control
21 Oct 2026 · PSC05
Change to a person with significant control
5 Oct 2026 · AA
Full accounts made up to 31 Dec 2023
9 Sep 2026 · AA
Full accounts made up to 31 Dec 2022
17 Aug 2026 · CS01
Confirmation statement made on 1 Aug 2026 with updates
29 Apr 2026 · AD01
Registered office address changed on 29 Apr 2026
22 Apr 2026 · AP01
Appointment of Anna Fiona Jane Douglas as a director on 9 Apr 2026
15 Apr 2026 · TM01
Termination of appointment of Ronan Thomas Mooney as a director on 9 Apr 2026
15 Apr 2026 · AP01
Appointment of Mr James Boothroyd as a director on 9 Apr 2026
15 Aug 2025 · CS01
Confirmation statement made on 1 Aug 2025 with updates
5 Jun 2025 · AD01
Registered office address changed on 5 Jun 2025
5 Jun 2025 · AD01
Registered office address changed on 5 Jun 2025
5 Jun 2025 · CH01
Director's details changed for Mrs Carolyn Milne on 4 Jun 2025
4 Jun 2025 · AD01
Registered office address changed on 4 Jun 2025
14 May 2025 · AP01
Appointment of Mr Ronan Thomas Mooney as a director on 12 May 2025
14 May 2025 · TM01
Termination of appointment of Tareq Fawzi Kawash as a director on 12 May 2025
2 Nov 2024 · AD01
Registered office address changed on 2 Nov 2024
3 Oct 2024 · TM01
Termination of appointment of Nicholas David Shorten as a director on 27 Sep 2024
30 Sep 2024 · AP01
Appointment of Mr Tareq Fawzi Kawash as a director on 23 Sep 2024
7 Aug 2024 · CS01
Confirmation statement made on 1 Aug 2024 with no updates
Showing the latest 20 of 116 filings. See the full history on Companies House
Accounting services for Oilennium Limited
From tax to payroll, find accountants who look after every part of Oilennium 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 Oilennium Limited
About Oilennium Limited
Oilennium Limited is a UK private limited company based in London, registered at Companies House as company number 04342156 since 18 Dec 2001. Its listed activities include management consultancy activities other than financial management. This page brings together its public record — directors, registered office, nature of business and filing history — in one easy place.
Oilennium Limited filings and compliance
Every UK limited company must file annual accounts, a confirmation statement and a corporation tax return each year. Oilennium Limited has 116 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 Oilennium 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 Oilennium Limited?
Oilennium Limited – frequently asked questions
What is the company number of Oilennium Limited?
Oilennium Limited is registered at Companies House under company number 04342156.
When was Oilennium Limited incorporated?
Oilennium Limited was incorporated on 18 Dec 2001 as a private limited company.
Who are the directors of Oilennium Limited?
Current officers are Carolyn Roberta Milne (director), James Boothroyd (director) and Anna Fiona Jane Douglas (director).
What does Oilennium Limited do?
The company's registered nature of business (SIC) is 70229 – Management consultancy activities other than financial management.
Where is Oilennium Limited registered?
The registered office address is 170 Piccadilly, London, W1J 9EJ.
Is Oilennium Limited still trading?
According to its latest Companies House record the company status is active. Its most recent filing was change to a person with significant control on 23 Oct 2026.