Atomic Topco 1 Limited company overview
Atomic Topco 1 Limited is a private limited company registered with company number 16492133. It was incorporated on 3 Jun 2025 and its current status is active.
The registered office is at St Aldates Chambers, 109-113 St Aldates, Oxford, Oxfordshire, OX1 1DS. The company has 8 active officers.
Atomic Topco 1 Limited upcoming deadlines
Year end accounts
Due 30 Sep 2027
Confirmation statement
Due 2 Jun 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.
Atomic Topco 1 Limited at a glance
1 year
Trading age
526 days since incorporation
8
Active officers
Edward, John, Jamie, Stephen
22
Filings on record
Latest: 2 Nov 2026
100/100
Filing health score
Accounts and statement up to date
Directors of Atomic Topco 1 Limited
Former officers
Nature of business (SIC codes)
64209
Activities of other holding companies not elsewhere classified
Allowable expenses for Atomic Topco 1 Limited
Based on Atomic Topco 1 Limited's SIC code (64209), 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 Atomic Topco 1 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 Atomic Topco 1 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 Oxfordshire?
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 Atomic Topco 1 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
2 Nov 2026 · AP01
Appointment of Mrs Laurie Fitch as a director on 29 Oct 2026
2 Nov 2026 · TM01
Termination of appointment of Alain Cianchini as a director on 29 Oct 2026
7 Oct 2026 · AA
Group accounts made up to 31 Dec 2025
17 Jul 2026 · AP01
Appointment of Ms Rajani Ramanathan as a director on 15 Jul 2026
27 May 2026 · CS01
Confirmation statement made on 19 May 2026 with updates
7 Mar 2026 · RESOLUTIONS
Resolutions
24 Feb 2026 · AD01
Registered office address changed on 24 Feb 2026
14 Oct 2025 · MA
Memorandum articles
14 Oct 2025 · SH01
Allotment of shares on 18 Sep 2025
10 Oct 2025 · AP01
Appointment of Mr Alain Cianchini as a director on 2 Oct 2025
30 Sep 2025 · RP01AP01
Replacement filing of director appointment with name
23 Sep 2025 · TM01
Termination of appointment of Roberta Joann Harris as a director on 18 Sep 2025
23 Sep 2025 · TM01
Termination of appointment of Martin Louis Davidson as a director on 18 Sep 2025
23 Sep 2025 · AP01
Appointment of Mr Edward Thomas Beckley as a director on 23 Sep 2025
23 Sep 2025 · AP01
Appointment of Mr Marcus Henry Charles Jennings as a director on 18 Sep 2025
23 Sep 2025 · AP01
Appointment of Mr John Alexander Feddersen as a director on 18 Sep 2025
23 Sep 2025 · AP01
Appointment of Mr Benjamin Holzemer as a director on 18 Sep 2025
23 Sep 2025 · AP01
Appointment of Mr Jamie Stuart Davidson Gilbert as a director on 18 Sep 2025
23 Sep 2025 · AP01
Appointment of Mr Stephen James Halliday as a director on 18 Sep 2025
19 Sep 2025 · SH02
Capital alter shares subdivision
Showing the latest 20 of 22 filings. See the full history on Companies House
Accounting services for Atomic Topco 1 Limited
From tax to payroll, find accountants who look after every part of Atomic Topco 1 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 Atomic Topco 1 Limited
About Atomic Topco 1 Limited
Atomic Topco 1 Limited is a UK private limited company based in Oxfordshire, registered at Companies House as company number 16492133 since 3 Jun 2025. Its listed activities include activities of other holding companies not elsewhere classified. This page brings together its public record — directors, registered office, nature of business and filing history — in one easy place.
Atomic Topco 1 Limited filings and compliance
Every UK limited company must file annual accounts, a confirmation statement and a corporation tax return each year. Atomic Topco 1 Limited has 22 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 Oxfordshire?
Businesses like Atomic Topco 1 Limited often use a local accountant for year-end accounts, corporation tax, VAT and payroll. Compare fixed-fee, regulated accountants near Oxfordshire and get free quotes in minutes.
This page shows public information from Companies House. Director of Atomic Topco 1 Limited?
Atomic Topco 1 Limited – frequently asked questions
What is the company number of Atomic Topco 1 Limited?
Atomic Topco 1 Limited is registered at Companies House under company number 16492133.
When was Atomic Topco 1 Limited incorporated?
Atomic Topco 1 Limited was incorporated on 3 Jun 2025 as a private limited company.
Who are the directors of Atomic Topco 1 Limited?
Current officers are Edward Thomas Beckley (director), John Alexander Feddersen (director), Jamie Stuart Davidson Gilbert (director), Stephen James Halliday (director), Benjamin Holzemer (director), Marcus Henry Charles Jennings (director) and 2 more.
What does Atomic Topco 1 Limited do?
The company's registered nature of business (SIC) is 64209 – Activities of other holding companies not elsewhere classified.
Where is Atomic Topco 1 Limited registered?
The registered office address is St Aldates Chambers, 109-113 St Aldates, Oxford, Oxfordshire, OX1 1DS.
Is Atomic Topco 1 Limited still trading?
According to its latest Companies House record the company status is active. Its most recent filing was appointment of Mrs Laurie Fitch as a director on 29 Oct 2026 on 2 Nov 2026.