£1
No changevs Aug 2024Active10347115Private limited companyMarlborough
SEIDO DESIGN SERVICES LTD
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Seido Design Services Ltd sell?
Registered activity: Engineering design activities for industrial process and production (SIC 71121). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
SEIDO DESIGN SERVICES LTD is an active private limited company (company number 10347115) incorporated on 25 August 2016, registered in Marlborough. Its registered activity is engineering design activities for industrial process and production (SIC 71121). Latest dormant accounts cover the period ending 31 August 2025, showing net assets of £1. Net assets were unchanged on the prior period.
Peer position · net assets
By net assets it sits in the lower half of 1,165 comparable companies in Other (median £4,581, upper quartile £36k).
02
Ownership and control
No active person with significant control is registered.
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 25 August 201610 yrs ago
- Next accounts due
- 31 May 2027in 219 days
- Confirmation statement due
- 8 September 2027in 319 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 71121
- Engineering design activities for industrial process and production
- Accounts type
- Dormant
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not reported
Not reported
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 August 2025 | £1 | — | — | — | — | — | — |
| 31 August 2024 | £1 | — | — | — | — | — | — |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £1 at 31 August 2025
- Incorporated five or more years agoIncorporated 25 August 2016
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Confirmation statement duein 319 days
- Next accounts duein 219 days
- Accounts period endNet assets £1 · dormant accounts
- Accounts period endNet assets £1 · dormant accounts
- Incorporated
08
Similar companies in the UK
- HUNTLEY DESIGN SOLUTIONS LTDWimborne · inc. Aug 2016
- IMENG LIMITEDScarborough · inc. Aug 2016
- WINSTANLEY LOCKNUTS LIMITEDEvesham · inc. Aug 2016
- SCOPIK SURVEYS LTDKilmarnock · inc. Sept 2016
- MENDIP TIMBER DESIGNS LIMITEDTaunton · inc. Sept 2016
- MENZIES ENGINEERING LIMITEDBlairgowrie · inc. Aug 2016
All companies incorporated on 25 August 2016 · in Aug 2016.
09
Reminders for SEIDO DESIGN SERVICES LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.