Annual accounts
Total Exemption Full accounts
30/09/2027Filing deadline
Made up to 31/12/2025Due 30/09/2027
- Next accounts made up to
- 31/12/2026
- Last accounts made up to
- 31/12/2025
SYNTHESYS DEFENCE SYSTEMS (SDS) LIMITED
ActiveRegistry details
Reference data exactly as held at Companies House.
Copy registry details
- Registered office
- Dalmar House Barras Lane Estate, Dalston, Carlisle CA5 7NY
- Classification (3 SIC codes)
- Other information technology service activities (62.09 - SIC 2007)Other research and experimental development on natural sciences and engineering (72.19 - SIC 2007)Other professional scientific and technical activities n.e.c. (74.90/9 - SIC 2007)
- Accounts type
- Total Exemption Full
Company activity
The 4 most recent documents filed at Companies House.
Pre-Score for UK companies is coming soon
- 09/04/2026View PDF (3 pages)
Confirmation statement made on 2026-03-27 with no updates
- 30/09/2025View PDF (11 pages)
Total exemption full accounts made up to 2024-12-31
- 27/03/2025View PDF (4 pages)
Confirmation statement made on 2025-03-27 with updates
- 14/03/2025View PDF (1 pages)
Termination of appointment of Gillian Hartas as a secretary on 2025-03-05
Coming soon
What Pre-Score will tell you
- Whether the filed accounts are strengthening or weakening year on year.
- Whether this company files on time, and how often its record changes.
- How its officers and controlling parties connect to other UK companies.
Accounts and confirmation statement
The two filings Companies House requires every year, and where each one stands against its deadline today.
On schedule
Confirmation statement
Confirms the registry record is up to date
10/04/2027Filing deadline
Last statement 27/03/2026Due 10/04/2027
- Next statement date
- 27/03/2027
- Last statement dated
- 27/03/2026
Financial performance
The latest figures SYNTHESYS DEFENCE SYSTEMS (SDS) LIMITED filed. Okredo holds filed accounts data for 2021–2024; the year-by-year record is on the financials page.
Net Assets
£-323.62K2024
-392.81%vs 20232023: £110.52K
Total Assets
£127.77K2024
-90.10%vs 20232023: £1.29M
Cash in Bank
£1.16K2024
-96.18%vs 20232023: £30.35K
Total Liabilities
£445.12K2024
-40.19%vs 20232023: £744.17K
Employees
72024
-3vs 20232023: 10
Of the 4 measures with an earlier filing to compare against, 4 fell. Total assets moved furthest, down 90.10% on 2023. See the full financial analysis for SYNTHESYS DEFENCE SYSTEMS (SDS) LIMITED.
The full financial record
Four ways through SYNTHESYS DEFENCE SYSTEMS (SDS) LIMITED's filed accounts — the year-by-year numbers, the compound rates and the ratios behind them.
Cash in Bank · -64% a year (CAGR)Three-year trend, 2022–2024Every measure end to end across 2022, 2023 and 2024, with the compound rate behind each one.See what moved5 chartsCharts by indicator5 filed indicators plotted year by year, 2021–2024.Plot the figuresNothing estimatedRatios from the filed figures4 ratios computed from this company's own reported amounts, each shown against the year it was derived from.Check the ratios5 × 4 yearsEvery figure by yearAll 5 measures Okredo tracks across 4 reported years, exactly as filed.Open the table
Employees
Headcount as reported to Companies House for 2021–2024.
| Year | Employees | Change |
|---|---|---|
| 2024 | 7 | -3 |
| 2023 | 10 | -1 |
| 2022 | 11 | +2 |
| 2021 | 9 | – |
Reported employee count decreased from 9 in 2021 to 7 in 2024. See how headcount moved alongside the reported financials.
Credit report
It is a professional assessment of the company 's performance, revealing company's potential and risks, showing it's past experiences and revealing future prospects.
- Company potential
- Risk indicators
- Past performance
- Future prospects
Officers
11Directors, secretaries and other appointed officers, with the period each has served.
| Person | Role | Period | Connected companies |
|---|---|---|---|
| Director | 31/10/2008–31/03/2020 | 1 | |
| Secretary | 01/10/2017–05/03/2025 | 0 | |
| Secretary | 30/11/2004–30/10/2010 | 0 | |
| Director | 24/05/2022–Present | 12 | |
| Director | 31/12/2004–30/10/2010 | 0 | |
| Director | 31/03/2011–30/10/2017 | 0 | |
| Director | 30/11/2004–05/06/2007 | 0 | |
| Director | 31/12/2017–31/03/2020 | 1 | |
| Director | 05/03/2025–Present | 2 | |
| Director | 09/05/2024–Present | 7 | |
| Director | 22/11/2024–Present | 19 |
Persons with significant control
3Individuals or entities with significant control over the company, as declared to Companies House.
| Person | Period | Connected companies |
|---|---|---|
| 22/11/2024–Present | 0 | |
| 06/04/2016–Present | 23 | |
| 06/04/2016–22/11/2024 | 23 |
Filing history and recent activity
Every document on the Companies House record, newest first.
- Filings on record
- 23
- Since 11/12/1987
- Last 12 months
- 1
- -11 vs the year before
- Most recent filing
- 09/04/2026
- 5 months ago
What changed in the last year
- Confirmation statementLatest 09/04/2026
Filing timeline
- 09/04/2026View PDF (3 pages)
Confirmation statement made on 2026-03-27 with no updates
- 30/09/2025View PDF (11 pages)
Total exemption full accounts made up to 2024-12-31
- 27/03/2025View PDF (4 pages)
Confirmation statement made on 2025-03-27 with updates
- 14/03/2025View PDF (1 pages)
Termination of appointment of Gillian Hartas as a secretary on 2025-03-05
- 14/03/2025View PDF (1 pages)
Previous accounting period shortened from 2025-03-31 to 2024-12-31
- 23/01/2025View PDF (1 pages)
Registered office address changed from 5&6 Manor Court Manor Garth Scarborough North Yorkshire YO11 3TU England to Dalmar House Barras Lane Estate Dalston Carlisle CA5 7NY on 2025-01-23
- 19/12/2024View PDF (10 pages)
Total exemption full accounts made up to 2024-03-31
- 03/12/2024View PDF (1 pages)
Resolutions
- 02/12/2024View PDF (29 pages)
Memorandum and Articles of Association
- 28/11/2024View PDF (2 pages)
Notification of Delkia Limited as a person with significant control on 2024-11-22
- 28/11/2024View PDF (1 pages)
Cessation of John Stephen Hartas as a person with significant control on 2024-11-22
- 28/11/2024View PDF (2 pages)
Appointment of Mr Kurt Canfield as a director on 2024-11-22
Showing 12 of 23 filings
See when the next accounts and confirmation statement are due
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About SYNTHESYS DEFENCE SYSTEMS (SDS) LIMITED
A short description of the company, written from its Companies House record.
SYNTHESYS DEFENCE SYSTEMS (SDS) LIMITED is a private limited company registered in the United Kingdom, based in Dalmar House Barras Lane Estate, Dalston, Carlisle CA5 7NY. Companies House classifies its business as Other information technology service activities, one of 3 SIC classifications on its record. It has been on the register for 38 years 9 months.
The register currently records it as active. Its 2024 accounts report net assets of £-323.62K and 7 employees.
SYNTHESYS DEFENCE SYSTEMS (SDS) LIMITED: frequently asked questions
Answered from this company's own registry record and filed figures.
Companies House records SYNTHESYS DEFENCE SYSTEMS (SDS) LIMITED under 3 registered business activities: Other information technology service activities (62.09 - SIC 2007), Other research and experimental development on natural sciences and engineering (72.19 - SIC 2007) and Other professional scientific and technical activities n.e.c. (74.90/9 - SIC 2007).
SYNTHESYS DEFENCE SYSTEMS (SDS) LIMITED is recorded as active on the Companies House register, and has been on it since 11/12/1987.
The most recent accounts Okredo holds cover 2024 and report net assets of £-323.62K, total assets of £127.77K, cash in bank of £1.16K and total liabilities of £445.12K.
The most recent document on the record is dated 09/04/2026: Confirmation statement made on 2026-03-27 with no updates, 5 months ago.
On the current registry record, accounts are due by 30/09/2027 and the next confirmation statement is due by 10/04/2027.
Companies House lists 11 officers (4 currently in post) and 3 people with significant control (2 current).