Amentum International Nuclear Services Limited company overview
Amentum International Nuclear Services Limited is a private limited company registered with company number 05532606. It was incorporated on 10 Aug 2005 and its current status is active.
The registered office is at 305 Bridgewater Place, Birchwood Park, Warrington, WA3 6XF. The company has 2 active officers. It was previously called CH2M Hill International Nuclear Services Ltd.
Amentum International Nuclear Services Limited upcoming deadlines
Year end accounts
Was due 30 Sep 2026
Confirmation statement
Due 5 Sep 2027
Corporation tax payment
Was due 1 Jul 2026
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.
Amentum International Nuclear Services Limited at a glance
21 years
Trading age
7,765 days since incorporation
2
Active officers
Joshua, Martin
142
Filings on record
Latest: 28 Aug 2026
55/100
Filing health score
A filing is overdue
Directors of Amentum International Nuclear Services Limited
Former officers
25 more officers are on the register. See all on Companies House
Nature of business (SIC codes)
71129
Other engineering activities
Allowable expenses for Amentum International Nuclear Services Limited
Based on Amentum International Nuclear Services Limited's SIC code (71129), 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 Amentum International Nuclear Services 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 Amentum International Nuclear Services 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 Warrington?
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 Amentum International Nuclear Services 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
28 Aug 2026 · CS01
Confirmation statement made on 22 Aug 2026 with no updates
21 Apr 2026 · TM01
Termination of appointment of Jonathan Paul Fowler as a director on 21 Apr 2026
18 Apr 2026 · AA
Full accounts made up to 27 Sep 2024
3 Dec 2025 · DISS40
Gazette filings brought up to date
2 Dec 2025 · GAZ1
Gazette notice compulsory
11 Sep 2025 · CS01
Confirmation statement made on 22 Aug 2025 with updates
8 May 2025 · AP01
Appointment of Mr Jonathan Paul Fowler as a director on 7 May 2025
11 Nov 2024 · AD01
Registered office address changed on 11 Nov 2024
7 Nov 2024 · TM01
Termination of appointment of Anita Linseisen as a director on 7 Nov 2024
7 Nov 2024 · AP01
Appointment of Mr Martin Warwick Shaw as a director on 7 Nov 2024
30 Sep 2024 · PSC05
Change to a person with significant control
30 Sep 2024 · CERTNM
Certificate change of name company
23 Sep 2024 · AD01
Registered office address changed on 23 Sep 2024
30 Aug 2024 · CS01
Confirmation statement made on 22 Aug 2024 with no updates
9 Jul 2024 · AA
Full accounts made up to 29 Sep 2023
2 Jul 2024 · PSC02
Notification of a person with significant control
2 Jul 2024 · PSC07
Cessation of a person with significant control
5 Jun 2024 · TM02
Termination of appointment of Geoffrey Roberts as a secretary on 1 Jun 2024
3 Jun 2024 · AP03
Appointment of Mr Joshua David Prentice as a secretary on 1 Jun 2024
8 Mar 2024 · SH19
Capital statement capital company with date currency figure
Showing the latest 20 of 142 filings. See the full history on Companies House
Accounting services for Amentum International Nuclear Services Limited
From tax to payroll, find accountants who look after every part of Amentum International Nuclear Services 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 Amentum International Nuclear Services Limited
About Amentum International Nuclear Services Limited
Amentum International Nuclear Services Limited is a UK private limited company based in Warrington, registered at Companies House as company number 05532606 since 10 Aug 2005. Its listed activities include other engineering activities. This page brings together its public record — directors, registered office, nature of business and filing history — in one easy place.
Amentum International Nuclear Services Limited filings and compliance
Every UK limited company must file annual accounts, a confirmation statement and a corporation tax return each year. Amentum International Nuclear Services Limited has 142 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 Warrington?
Businesses like Amentum International Nuclear Services Limited often use a local accountant for year-end accounts, corporation tax, VAT and payroll. Compare fixed-fee, regulated accountants near Warrington and get free quotes in minutes.
This page shows public information from Companies House. Director of Amentum International Nuclear Services Limited?
Amentum International Nuclear Services Limited – frequently asked questions
What is the company number of Amentum International Nuclear Services Limited?
Amentum International Nuclear Services Limited is registered at Companies House under company number 05532606.
When was Amentum International Nuclear Services Limited incorporated?
Amentum International Nuclear Services Limited was incorporated on 10 Aug 2005 as a private limited company.
Who are the directors of Amentum International Nuclear Services Limited?
Current officers are Joshua David Prentice (secretary) and Martin Warwick Shaw (director).
What does Amentum International Nuclear Services Limited do?
The company's registered nature of business (SIC) is 71129 – Other engineering activities.
Where is Amentum International Nuclear Services Limited registered?
The registered office address is 305 Bridgewater Place, Birchwood Park, Warrington, WA3 6XF.
Is Amentum International Nuclear Services Limited still trading?
According to its latest Companies House record the company status is active. Its most recent filing was confirmation statement made on 22 Aug 2026 with no updates on 28 Aug 2026.