opendata.bot
Company number
03936096

SD MICROSYSTEMS LIMITED

Officer · DWYER-COLLINS, Rachel and 6 others
Unknown
✓ Status: Active - Proposal to Strike off. Next accounts due 31 December 2024.
1 outstanding charge registered against this company. View charges.

Company details

East of England, England Contains OS data © Crown copyright and database right. Contains Royal Mail data © Royal Mail copyright and database right. Source: Office for National Statistics licensed under the Open Government Licence v.3.0.
Registered name
SD MICROSYSTEMS LIMITED
Company number
03936096
Registered office
1 LONDON STREET, SWAFFHAM, NORFOLK, PE37 7DD, UNITED KINGDOM · 47 other companies at this postcode
Company type
Private Limited Company
Incorporated on
29 February 2000
Status
Unknown
Age
26 years
Nature of business (SIC)
70229 — Management consultancy activities other than financial management
Accounts — next due
31 Dec 2024
Accounts — last made up to
31 Mar 2023
Confirmation statement — next due
14 Mar 2024
Confirmation statement — last
28 Feb 2023

What the register says

Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.

Companies House register snapshot, read 02/09/2026.

Officers

2 active · 5 resigned

secretary
Appointed 21/03/2013
Active
director
Appointed 29/02/2000
Active

People with significant control

Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors

Mr Stephen John Denson
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 06/04/2016

Corporate structure

Who controls this company, and who they control in turn

1 controller Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Mr Stephen John Denson
born 05/1955 · United Kingdom owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Notified 06/04/2016

Serving officers

secretary Appointed 21/03/2013
director Appointed 29/02/2000

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
06/04/2016 Person with significant control added Mr Stephen John Denson
21/03/2013 Secretary resigned KENNEDY, Janet Anne
21/03/2013 Secretary appointed DWYER-COLLINS, Rachel
22/01/2009 Corporate-secretary resigned ONLINE CORPORATE SECRETARIES LIMITED
28/12/2008 Secretary appointed KENNEDY, Janet Anne
01/12/2004 Secretary resigned DOYLE, Karen Anne
01/12/2004 Corporate-secretary appointed ONLINE CORPORATE SECRETARIES LIMITED
25/07/2000 Charge registered Debenture
29/02/2000 Corporate-nominee-director resigned COMPANY DIRECTORS LIMITED
29/02/2000 Corporate-nominee-secretary resigned TEMPLE SECRETARIES LIMITED
29/02/2000 Corporate-nominee-director appointed COMPANY DIRECTORS LIMITED
29/02/2000 Corporate-nominee-secretary appointed TEMPLE SECRETARIES LIMITED
29/02/2000 Secretary appointed DOYLE, Karen Anne
29/02/2000 Director appointed DENSON, Stephen John

Financial highlights

No figures could be read from the accounts filed on 04 Dec 2023. Companies House holds some filings only as a document image, which carries no tagged figures; the filing itself is on the register either way.

Documents for SD MICROSYSTEMS LIMITED

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Company extract£1.99

The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.

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Financial statements£3.99

Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.

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Ownership report£3.99

Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.

PDF Order

Filing history

Most recent filings

AD01 — change-registered-office-address-company-with-date-old-address-new-address
address
AA — accounts-with-accounts-type-micro-entity
accounts
SOAS(A) — dissolution-voluntary-strike-off-suspended
dissolution
GAZ1(A) — gazette-notice-voluntary
gazette
DS01 — dissolution-application-strike-off-company
dissolution
CS01 — confirmation-statement-with-no-updates
confirmation-statement
AA — accounts-with-accounts-type-micro-entity
accounts
CS01 — confirmation-statement-with-no-updates
confirmation-statement
AA — accounts-with-accounts-type-micro-entity
accounts
CS01 — confirmation-statement-with-no-updates
confirmation-statement
AA — accounts-with-accounts-type-total-exemption-full
accounts
CS01 — confirmation-statement-with-updates
confirmation-statement
AA — accounts-with-accounts-type-total-exemption-full
accounts
AD01 — change-registered-office-address-company-with-date-old-address-new-address
address
CS01 — confirmation-statement-with-no-updates
confirmation-statement
AA — accounts-with-accounts-type-micro-entity
accounts
CS01 — confirmation-statement-with-no-updates
confirmation-statement
AA — accounts-with-accounts-type-micro-entity
accounts
AD01 — change-registered-office-address-company-with-date-old-address-new-address
address
CS01 — confirmation-statement-with-updates
confirmation-statement
AA — accounts-with-accounts-type-total-exemption-small
accounts
AR01 — annual-return-company-with-made-up-date-full-list-shareholders
annual-return
AA — accounts-with-accounts-type-total-exemption-small
accounts
AR01 — annual-return-company-with-made-up-date-full-list-shareholders
annual-return
AA — accounts-with-accounts-type-total-exemption-small
accounts

Charges

1 outstanding · 0 satisfied

Debenture — persons entitled: Hsbc Bank PLC
outstanding

Data protection register

No entry found on the ICO register of fee payers under this name.

Not every organisation has to register — some are exempt. An absent entry is a question to ask, not a finding.

Get this company via API

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Frequently asked questions

What is the company number of SD MICROSYSTEMS LIMITED?
According to the official registry, the company number of SD MICROSYSTEMS LIMITED is 03936096.
Where is SD MICROSYSTEMS LIMITED registered?
The registered office is 1 LONDON STREET, SWAFFHAM, NORFOLK, PE37 7DD, UNITED KINGDOM.
Who runs SD MICROSYSTEMS LIMITED?
DWYER-COLLINS, Rachel is listed among the officers of SD MICROSYSTEMS LIMITED.
What is the SIC code of SD MICROSYSTEMS LIMITED?
The nature of business is recorded under SIC code 70229 — Management consultancy activities other than financial management.
Who controls SD MICROSYSTEMS LIMITED?
Mr Stephen John Denson is recorded as a person with significant control, and owns 75–100% of shares, holds 75–100% of voting rights, can appoint and remove directors.
When are the next accounts of SD MICROSYSTEMS LIMITED due?
The next annual accounts are due by 31 December 2024, and the last accounts were made up to 31 March 2023.
Does SD MICROSYSTEMS LIMITED have any outstanding charges?
Yes — 1 outstanding charge is registered against the company.

About SD MICROSYSTEMS LIMITED (03936096)

SD MICROSYSTEMS LIMITED is a private limited company incorporated on 29 February 2000 and registered in the United Kingdom under company number 03936096. Its registered office is at 1 LONDON STREET, SWAFFHAM, NORFOLK, PE37 7DD, UNITED KINGDOM. The recorded nature of business is management consultancy activities other than financial management (SIC 70229). The company is currently unknown , with statutory accounts last made up to 31 March 2023. 7 active officers are on record , and the person with significant control is Mr Stephen John Denson. 1 outstanding charge is registered against it. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 13 September 2026.

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