Seirian Laboratories Limited company overview
Seirian Laboratories Limited is a private limited company registered with company number 10374071. It was incorporated on 14 Sep 2016 and dissolved on 16 Sep 2025 and its current status is dissolved.
The registered office is at Simbec House Merthyr Tydfil Industrial Park, Pentrebach, Merthyr Tydfil, Mid Glamorgan, CF48 4DR. The company has 0 active officers.
Seirian Laboratories Limited upcoming deadlines
This company is dissolved, so the register shows no filing deadlines for it.
Seirian Laboratories Limited at a glance
9 years
Years on the register
3,289 days from incorporation to closure
0
Active officers
Fabrice, Mark, Charlotte
34
Filings on record
Latest: 16 Sep 2025
—
Filing health score
Company is dissolved
Directors of Seirian Laboratories Limited
Former officers
Nature of business (SIC codes)
99999
Dormant Company
Allowable expenses for Seirian Laboratories Limited
Based on Seirian Laboratories Limited's SIC code (99999), 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 Seirian Laboratories 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 Seirian Laboratories 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 Mid Glamorgan?
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 Seirian Laboratories 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
16 Sep 2025 · GAZ2(A)
Gazette dissolved voluntary
1 Jul 2025 · GAZ1(A)
Gazette notice voluntary
19 Jun 2025 · DS01
Dissolution application strike off company
26 Sep 2024 · AP03
Appointment of Miss Charlotte Anne Osmond as a secretary on 17 Sep 2024
13 Sep 2024 · CS01
Confirmation statement made on 13 Sep 2024 with no updates
3 Sep 2024 · TM01
Termination of appointment of John Richard Gahan as a director on 29 Aug 2024
18 Jul 2024 · AA
Dormant accounts made up to 31 Dec 2023
28 May 2024 · AP01
Appointment of Mr Mark Joseph Trus as a director on 21 May 2024
20 Sep 2023 · CS01
Confirmation statement made on 13 Sep 2023 with no updates
27 Jul 2023 · AA
Dormant accounts made up to 31 Dec 2022
1 Nov 2022 · AA
Dormant accounts made up to 31 Dec 2021
20 Sep 2022 · CS01
Confirmation statement made on 13 Sep 2022 with no updates
21 Sep 2021 · AA
Dormant accounts made up to 31 Dec 2020
15 Sep 2021 · CS01
Confirmation statement made on 13 Sep 2021 with no updates
23 Dec 2020 · AA
Dormant accounts made up to 31 Dec 2019
14 Sep 2020 · CS01
Confirmation statement made on 13 Sep 2020 with no updates
3 Apr 2020 · TM01
Termination of appointment of Hemant Patel as a director on 31 Mar 2020
4 Dec 2019 · DISS40
Gazette filings brought up to date
3 Dec 2019 · AA
Dormant accounts made up to 31 Dec 2018
3 Dec 2019 · GAZ1
Gazette notice compulsory
Showing the latest 20 of 34 filings. See the full history on Companies House
Accounting services for Seirian Laboratories Limited
From tax to payroll, find accountants who look after every part of Seirian Laboratories 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 Seirian Laboratories Limited
About Seirian Laboratories Limited
Seirian Laboratories Limited is a UK private limited company based in Mid Glamorgan, registered at Companies House as company number 10374071 since 14 Sep 2016. Its listed activities include dormant company. This page brings together its public record — directors, registered office, nature of business and filing history — in one easy place.
Seirian Laboratories Limited filings and compliance
Every UK limited company must file annual accounts, a confirmation statement and a corporation tax return each year. Seirian Laboratories Limited has 34 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 Mid Glamorgan?
Businesses like Seirian Laboratories Limited often use a local accountant for year-end accounts, corporation tax, VAT and payroll. Compare fixed-fee, regulated accountants near Mid Glamorgan and get free quotes in minutes.
This page shows public information from Companies House. Director of Seirian Laboratories Limited?
Seirian Laboratories Limited – frequently asked questions
What is the company number of Seirian Laboratories Limited?
Seirian Laboratories Limited is registered at Companies House under company number 10374071.
When was Seirian Laboratories Limited incorporated?
Seirian Laboratories Limited was incorporated on 14 Sep 2016 as a private limited company.
Who are the directors of Seirian Laboratories Limited?
Current officers are Fabrice Guy, Dr Chartier (director), Mark Joseph Trus (director) and Charlotte Anne Osmond (secretary).
What does Seirian Laboratories Limited do?
The company's registered nature of business (SIC) is 99999 – Dormant Company.
Where is Seirian Laboratories Limited registered?
The registered office address is Simbec House Merthyr Tydfil Industrial Park, Pentrebach, Merthyr Tydfil, Mid Glamorgan, CF48 4DR.
Is Seirian Laboratories Limited still trading?
According to its latest Companies House record the company status is dissolved. Its most recent filing was gazette dissolved voluntary on 16 Sep 2025.