Castleton Technology Limited company overview
Castleton Technology Limited is a private limited company registered with company number 03336134. It was incorporated on 19 Mar 1997 and its current status is active.
The registered office is at 9 King Street, London, EC2V 8EA. The company has 2 active officers. It was previously called Castleton Technology PLC and 3 other names.
Castleton Technology Limited upcoming deadlines
Year end accounts
Due 30 Sep 2027
Confirmation statement
Due 1 Apr 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.
Castleton Technology Limited at a glance
29 years
Trading age
10,830 days since incorporation
2
Active officers
John, Patrick
366
Filings on record
Latest: 28 Sep 2026
100/100
Filing health score
Accounts and statement up to date
Directors of Castleton Technology Limited
Former officers
38 more officers are on the register. See all on Companies House
Nature of business (SIC codes)
70100
Activities of head offices
Allowable expenses for Castleton Technology Limited
Based on Castleton Technology Limited's SIC code (70100), 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 Castleton Technology 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 Castleton Technology 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 Castleton Technology 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 Sep 2026 · AA
Full accounts made up to 31 Dec 2025
18 Mar 2026 · CS01
Confirmation statement made on 18 Mar 2026 with updates
3 Dec 2025 · TM01
Termination of appointment of Roman Telerman as a director on 10 Nov 2025
24 Sep 2025 · AA
Full accounts made up to 31 Dec 2024
19 Mar 2025 · CS01
Confirmation statement made on 18 Mar 2025 with updates
19 Mar 2025 · AD04
Move registers to registered office company with new address
19 Oct 2024 · AA
Full accounts made up to 31 Dec 2023
18 Mar 2024 · CS01
Confirmation statement made on 18 Mar 2024 with updates
2 Oct 2023 · AA
Full accounts made up to 31 Dec 2022
27 Mar 2023 · CS01
Confirmation statement made on 19 Mar 2023 with updates
20 Sep 2022 · AA
Full accounts made up to 31 Dec 2021
25 Mar 2022 · CS01
Confirmation statement made on 19 Mar 2022 with updates
14 Dec 2021 · AA
Full accounts made up to 31 Dec 2020
8 Dec 2021 · SH19
Capital statement capital company with date currency figure
8 Dec 2021 · SH20
Legacy
8 Dec 2021 · CAP-SS
Legacy
8 Dec 2021 · RESOLUTIONS
Resolutions
20 Apr 2021 · CS01
Confirmation statement made on 19 Mar 2021 with updates
8 Feb 2021 · AA
Group accounts made up to 31 Mar 2020
17 Sep 2020 · AD01
Registered office address changed on 17 Sep 2020
Showing the latest 20 of 366 filings. See the full history on Companies House
Accounting services for Castleton Technology Limited
From tax to payroll, find accountants who look after every part of Castleton Technology 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 Castleton Technology Limited
About Castleton Technology Limited
Castleton Technology Limited is a UK private limited company based in London, registered at Companies House as company number 03336134 since 19 Mar 1997. Its listed activities include activities of head offices. This page brings together its public record — directors, registered office, nature of business and filing history — in one easy place.
Castleton Technology Limited filings and compliance
Every UK limited company must file annual accounts, a confirmation statement and a corporation tax return each year. Castleton Technology Limited has 366 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 Castleton Technology 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 Castleton Technology Limited?
Castleton Technology Limited – frequently asked questions
What is the company number of Castleton Technology Limited?
Castleton Technology Limited is registered at Companies House under company number 03336134.
When was Castleton Technology Limited incorporated?
Castleton Technology Limited was incorporated on 19 Mar 1997 as a private limited company.
Who are the directors of Castleton Technology Limited?
Current officers are John Adler Ensign (director) and Patrick Joseph, Mr. Ghilani (director).
What does Castleton Technology Limited do?
The company's registered nature of business (SIC) is 70100 – Activities of head offices.
Where is Castleton Technology Limited registered?
The registered office address is 9 King Street, London, EC2V 8EA.
Is Castleton Technology Limited 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 Dec 2025 on 28 Sep 2026.