Cyprotex Limited company overview
Cyprotex Limited is a private limited company registered with company number 04311107. It was incorporated on 25 Oct 2001 and its current status is active.
The registered office is at 114 Innovation Drive, Milton Park, Milton, Abingdon, Oxfordshire, OX14 4RZ. The company has 3 active officers. It was previously called Cyprotex PLC and 2 other names.
Cyprotex Limited upcoming deadlines
Year end accounts
Due 30 Sep 2027
Confirmation statement
Due 7 Nov 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.
Cyprotex Limited at a glance
25 years
Trading age
9,149 days since incorporation
3
Active officers
Stephen, Krisztina, Dirk,
220
Filings on record
Latest: 24 Oct 2026
100/100
Filing health score
Accounts and statement up to date
Directors of Cyprotex Limited
Former officers
26 more officers are on the register. See all on Companies House
Nature of business (SIC codes)
58290
Other software publishing
71200
Technical testing and analysis
Allowable expenses for Cyprotex Limited
Based on Cyprotex Limited's SIC codes (58290, 71200), these are typical tax-deductible expenses for a software & it and professional & creative services company. Claiming them lowers the profit you pay corporation tax on.
Computers & hardware
Laptops, monitors and devices used for work.
Software subscriptions
Cloud hosting, SaaS tools, licences and domains.
Training & courses
Courses that update skills for your current work.
Working from home
A share of household bills or the £6-a-week flat rate.
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 Cyprotex Limited
How much tax does a software & it and 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 Cyprotex 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 Cyprotex 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
24 Oct 2026 · CS01
Confirmation statement made on 24 Oct 2026 with no updates
10 Sep 2026 · AA
Full accounts made up to 31 Dec 2025
26 Oct 2025 · CS01
Confirmation statement made on 24 Oct 2025 with no updates
30 Sep 2025 · AA
Full accounts made up to 31 Dec 2024
2 Jan 2025 · AP01
Appointment of Dr Dirk Ullmann as a director on 1 Jan 2025
2 Jan 2025 · TM01
Termination of appointment of Craig Johnstone as a director on 31 Dec 2024
25 Oct 2024 · CS01
Confirmation statement made on 25 Oct 2024 with updates
26 Sep 2024 · AP03
Appointment of Ms Krisztina Petreczky as a secretary on 26 Sep 2024
26 Sep 2024 · TM02
Termination of appointment of Christian Dargel as a secretary on 26 Sep 2024
13 Sep 2024 · AA
Full accounts made up to 31 Dec 2023
8 Jan 2024 · SH01
Allotment of shares on 15 Dec 2023
25 Oct 2023 · CS01
Confirmation statement made on 25 Oct 2023 with no updates
4 Oct 2023 · AA
Full accounts made up to 31 Dec 2022
30 Mar 2023 · AP01
Appointment of Stephen Madden as a director on 28 Mar 2023
30 Mar 2023 · TM01
Termination of appointment of Ralph Enno Spillner as a director on 28 Mar 2023
25 Oct 2022 · CS01
Confirmation statement made on 25 Oct 2022 with no updates
4 Oct 2022 · AA
Full accounts made up to 31 Dec 2021
25 Oct 2021 · CS01
Confirmation statement made on 25 Oct 2021 with no updates
9 Sep 2021 · AA
Full accounts made up to 31 Dec 2020
13 Apr 2021 · AP03
Appointment of Dr Christian Dargel as a secretary on 13 Apr 2021
Showing the latest 20 of 220 filings. See the full history on Companies House
Accounting services for Cyprotex Limited
From tax to payroll, find accountants who look after every part of Cyprotex 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 Cyprotex Limited
About Cyprotex Limited
Cyprotex Limited is a UK private limited company based in Oxfordshire, registered at Companies House as company number 04311107 since 25 Oct 2001. Its listed activities include other software publishing, technical testing and analysis. This page brings together its public record — directors, registered office, nature of business and filing history — in one easy place.
Cyprotex Limited filings and compliance
Every UK limited company must file annual accounts, a confirmation statement and a corporation tax return each year. Cyprotex Limited has 220 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 Cyprotex 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 Cyprotex Limited?
Cyprotex Limited – frequently asked questions
What is the company number of Cyprotex Limited?
Cyprotex Limited is registered at Companies House under company number 04311107.
When was Cyprotex Limited incorporated?
Cyprotex Limited was incorporated on 25 Oct 2001 as a private limited company.
Who are the directors of Cyprotex Limited?
Current officers are Stephen Madden (director), Krisztina Petreczky (secretary) and Dirk, Dr Ullmann (director).
What does Cyprotex Limited do?
The company's registered nature of business (SIC) is 58290 – Other software publishing; 71200 – Technical testing and analysis.
Where is Cyprotex Limited registered?
The registered office address is 114 Innovation Drive, Milton Park, Milton, Abingdon, Oxfordshire, OX14 4RZ.
Is Cyprotex Limited still trading?
According to its latest Companies House record the company status is active. Its most recent filing was confirmation statement made on 24 Oct 2026 with no updates on 24 Oct 2026.