Synectics High Security Limited company overview
Synectics High Security Limited is a private limited company registered with company number 02010248. It was incorporated on 15 Apr 1986 and its current status is active.
The registered office is at Synectics House, 3-4 Broadfield Close, Sheffield, S8 0XN. The company has 2 active officers. It was previously called Quadrant Network Limited and 2 other names.
Synectics High Security Limited upcoming deadlines
Year end accounts
Due 31 Aug 2027
Confirmation statement
Due 14 Oct 2027
Corporation tax payment
Due 31 Aug 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.
Synectics High Security Limited at a glance
40 years
Trading age
14,824 days since incorporation
2
Active officers
Claire, Paul
147
Filings on record
Latest: 30 Sep 2026
100/100
Filing health score
Accounts and statement up to date
Directors of Synectics High Security Limited
Former officers
4 more officers are on the register. See all on Companies House
Nature of business (SIC codes)
99999
Dormant Company
Allowable expenses for Synectics High Security Limited
Based on Synectics High Security 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 Synectics High Security 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 Synectics High Security 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 Sheffield?
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 Synectics High Security 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
30 Sep 2026 · CS01
Confirmation statement made on 30 Sep 2026 with no updates
30 May 2026 · AA
Dormant accounts made up to 30 Nov 2025
30 Sep 2025 · CS01
Confirmation statement made on 30 Sep 2025 with no updates
2 Sep 2025 · AP01
Appointment of Mr Paul John Williams as a director on 26 Aug 2025
2 Sep 2025 · TM01
Termination of appointment of Amanda Louise Larnder as a director on 26 Aug 2025
12 May 2025 · AA
Dormant accounts made up to 30 Nov 2024
4 Oct 2024 · CS01
Confirmation statement made on 30 Sep 2024 with updates
4 May 2024 · AA
Dormant accounts made up to 30 Nov 2023
2 Oct 2023 · CS01
Confirmation statement made on 30 Sep 2023 with no updates
1 Jun 2023 · AA
Dormant accounts made up to 30 Nov 2022
30 Sep 2022 · CS01
Confirmation statement made on 30 Sep 2022 with no updates
12 Jul 2022 · AP01
Appointment of Mrs Amanda Louise Larnder as a director on 4 Jul 2022
12 Jul 2022 · TM01
Termination of appointment of David Michael Bedford as a director on 1 Jul 2022
30 May 2022 · AA
Dormant accounts made up to 30 Nov 2021
30 Sep 2021 · CS01
Confirmation statement made on 30 Sep 2021 with no updates
24 Jun 2021 · AA
Dormant accounts made up to 30 Nov 2020
30 Sep 2020 · CS01
Confirmation statement made on 30 Sep 2020 with no updates
26 Aug 2020 · AA
Dormant accounts made up to 30 Nov 2019
13 Jan 2020 · AP01
Appointment of Mr David Michael Bedford as a director on 6 Jan 2020
13 Jan 2020 · TM01
Termination of appointment of Amanda Louise Larnder as a director on 6 Jan 2020
Showing the latest 20 of 147 filings. See the full history on Companies House
Accounting services for Synectics High Security Limited
From tax to payroll, find accountants who look after every part of Synectics High Security 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 Synectics High Security Limited
About Synectics High Security Limited
Synectics High Security Limited is a UK private limited company based in Sheffield, registered at Companies House as company number 02010248 since 15 Apr 1986. 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.
Synectics High Security Limited filings and compliance
Every UK limited company must file annual accounts, a confirmation statement and a corporation tax return each year. Synectics High Security Limited has 147 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 Sheffield?
Businesses like Synectics High Security Limited often use a local accountant for year-end accounts, corporation tax, VAT and payroll. Compare fixed-fee, regulated accountants near Sheffield and get free quotes in minutes.
This page shows public information from Companies House. Director of Synectics High Security Limited?
Synectics High Security Limited – frequently asked questions
What is the company number of Synectics High Security Limited?
Synectics High Security Limited is registered at Companies House under company number 02010248.
When was Synectics High Security Limited incorporated?
Synectics High Security Limited was incorporated on 15 Apr 1986 as a private limited company.
Who are the directors of Synectics High Security Limited?
Current officers are Claire Susan Stewart (secretary) and Paul John Williams (director).
What does Synectics High Security Limited do?
The company's registered nature of business (SIC) is 99999 – Dormant Company.
Where is Synectics High Security Limited registered?
The registered office address is Synectics House, 3-4 Broadfield Close, Sheffield, S8 0XN.
Is Synectics High Security Limited still trading?
According to its latest Companies House record the company status is active. Its most recent filing was confirmation statement made on 30 Sep 2026 with no updates on 30 Sep 2026.