DOTMATICS LIMITED
Get an alert when DOTMATICS LIMITED files next
Leroy will email you the moment a new filing lands at Companies House — one short note per filing, nothing else.
Next accounts due
2026-09-30 (in 4mo)
Last filed for 2024-12-31
Confirmation statement due
2027-04-01 (in 11mo)
Last made up 2026-03-18
Watchouts
Watchouts
Facts from the Companies House register and the latest accounts — not a rating
-
4 officer resignations in last 12 months
Multiple officers have left the board recently — see the People section for who.
-
1 PSC ceased in last 24 months
Significant control changed hands — see the Ownership section.
Accounts
Audit & accounting basis
- Accounting basis
- FRS 102
- Reporting scope
- Consolidated group
- Auditor
- Deloitte LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“Accordingly, after careful consideration, the Directors continue to adopt the going concern basis in preparing the financial statements.”
Group structure
- DOTMATICS LIMITED · parent
- Dotmatics Australia Pty Ltd 100%
- Dotmatics KK 100%
Significant events
- “On the 01 July 2025 the Insightful Science Holdings, LLC group, along with all its subsidiaries including Dotmatics Limited, was acquired by Siemens A.G. https://www.siemens.com/global/en/company/investor-relations/acquisition-dotmatics.html”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
3 active · 14 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| CAMPBELL, Alister | Director | 2026-02-27 | Jan 1978 | British |
| MONAGHAN, Teresa Jane | Director | 2025-10-29 | Dec 1972 | British |
| SHEATH, Benjamin Miles | Director | 2025-10-29 | Nov 1971 | British |
Show 14 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| GALLAGHER, Lucienne Sarah | Secretary | 2005-11-07 | 2017-10-19 |
| HILL, Sarah Francesca | Secretary | 2017-10-19 | 2021-04-28 |
| SAMUELSON, Lawrence | Secretary | 2022-09-09 | 2025-10-20 |
| INCORPORATE SECRETARIAT LIMITED | Corporate Nominee Secretary | 2005-11-07 | 2005-11-07 |
| BHAT, Ashok Vaman | Director | 2018-10-30 | 2021-04-28 |
| BURNETT, Matthew Alexander | Director | 2025-10-29 | 2026-02-27 |
| DAVIDSON, Keith Robert | Director | 2017-10-19 | 2021-04-28 |
| GALLAGHER, Stephen Christian, Dr | Director | 2005-11-07 | 2021-04-28 |
| HARTSHORN, Michael John, Dr | Director | 2006-11-21 | 2017-10-19 |
| HILL, Alastair William | Director | 2005-11-07 | 2021-04-28 |
| POWELL, Stephen John | Director | 2017-10-19 | 2021-04-28 |
| SANCHEZ SARMIENTO, Rebeca | Director | 2022-09-09 | 2025-10-17 |
| SIEWERT JR., Kevin | Director | 2021-04-28 | 2022-09-09 |
| SWALLA, Thomas | Director | 2021-04-28 | 2025-11-04 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Siemens Aktiengesellschaft | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2025-07-01 | Active |
| Graphpad Uk Bidco Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2021-04-28 | Ceased 2025-06-18 |
| Sep V Lp | Corporate entity | Shares 25–50%, Voting 25–50% | 2017-10-19 | Ceased 2021-04-28 |
| Mr Stephen Christian Gallagher | Individual | Shares 25–50% | 2016-04-06 | Ceased 2021-04-28 |
| Mr Alastair William Hill | Individual | Shares 25–50% | 2016-04-06 | Ceased 2017-10-19 |
| Dr Michael John Hartshorn | Individual | Significant influence | 2016-04-06 | Ceased 2017-10-19 |
Filing timeline
Last 20 of 124 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-03-19 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2026-02-27 | TM01 | officers | Termination director company with name termination date | |
| 2026-02-27 | AP01 | officers | Appoint person director company with name date | |
| 2025-12-04 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2025-12-04 | SH01 | capital | Capital allotment shares | |
| 2025-11-04 | TM01 | officers | Termination director company with name termination date | |
| 2025-11-04 | AD02 | address | Change sail address company with old address new address | |
| 2025-11-03 | AP01 | officers | Appoint person director company with name date | |
| 2025-11-03 | AP01 | officers | Appoint person director company with name date | |
| 2025-11-03 | AP01 | officers | Appoint person director company with name date | |
| 2025-10-20 | TM02 | officers | Termination secretary company with name termination date | |
| 2025-10-20 | TM01 | officers | Termination director company with name termination date | |
| 2025-10-02 | AA | accounts | Accounts with accounts type group | |
| 2025-08-04 | PSC02 | persons-with-significant-control | Notification of a person with significant control | |
| 2025-08-04 | PSC09 | persons-with-significant-control | Withdrawal of a person with significant control statement | |
| 2025-06-23 | PSC08 | persons-with-significant-control | Notification of a person with significant control statement | |
| 2025-06-20 | PSC07 | persons-with-significant-control | Cessation of a person with significant control | |
| 2024-12-23 | AA | accounts | Accounts with accounts type group | |
| 2024-11-15 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-09-18 | AA | accounts | Accounts with accounts type group |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 17
- Capital events
- 1
- Officers appointed
- 3
- Officers resigned
- 4
last 12 months
last 24 months
last 12 months
last 12 months
Direct counts from the register. No score, no rating — see the Filing timeline for the underlying events.
Year-on-year
Latest filed period vs the prior one