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Company number
10657943

SYNSERA MEDICAL LIMITED

Active
✓ Active company on the official register. Next accounts due 31 December 2026.

Company details

London, 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
SYNSERA MEDICAL LIMITED
Company number
10657943
Registered office
FLAT 23 ARBOR HOUSE, STATION ROAD, ORPINGTON, BR6 0RY, ENGLAND · 4 other companies at this postcode
Company type
Private Limited Company
Incorporated on
8 March 2017
Status
Active
Age
9 years
Previous names
WATERMARK ASSETS LIMITED (to 18 Dec 2020)
Nature of business (SIC)
86220 — Specialists medical practice activities
Accounts — next due
31 Dec 2026
Accounts — last made up to
31 Mar 2025
Confirmation statement — next due
23 Jun 2027
Confirmation statement — last
09 Jun 2026

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.

People with significant control

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

Mr John Kim Friis
owns 25–50% of shares · holds 25–50% of voting rights
Notified 08/03/2017
Mrs Siti Rozaimariawaty Abd Rahman
owns 50–75% of shares · holds 50–75% of voting rights · can appoint and remove directors
Notified 08/03/2017

Corporate structure

Who controls this company, and who they control in turn

2 controllers Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Mrs Siti Rozaimariawaty Abd Rahman
born 05/1979 · United Kingdom owns 50–75% of shares · holds 50–75% of votes · can appoint and remove directors Notified 08/03/2017 Controls 2 companies
Mr John Kim Friis
born 12/1978 · United Kingdom owns 25–50% of shares · holds 25–50% of votes Control ended 22/04/2022 Controls 5 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
22/04/2022 Person with significant control ceased Mr John Kim Friis
18/12/2020 Registered name changed WATERMARK ASSETS LIMITED SYNSERA MEDICAL LIMITED
08/03/2017 Person with significant control added Mrs Siti Rozaimariawaty Abd Rahman
08/03/2017 Person with significant control added Mr John Kim Friis

Financial highlights

Parsed from the filed statutory accounts (£ thousands, except employees)

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2025FY2024
Total assets less current liabilities -4 -2
Net assets -4 -3
Employees (avg) 1 1

Documents for SYNSERA MEDICAL LIMITED

Need this one company on file? Buy the document on its own — no plan required.

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

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

Every field on this page is available as structured JSON behind one endpoint and one API key.

GET /v1/company/gb/10657943
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of SYNSERA MEDICAL LIMITED?
According to the official registry, the company number of SYNSERA MEDICAL LIMITED is 10657943.
Where is SYNSERA MEDICAL LIMITED registered?
The registered office is FLAT 23 ARBOR HOUSE, STATION ROAD, ORPINGTON, BR6 0RY, ENGLAND.
What is the SIC code of SYNSERA MEDICAL LIMITED?
The nature of business is recorded under SIC code 86220 — Specialists medical practice activities.
Who controls SYNSERA MEDICAL LIMITED?
Mr John Kim Friis is recorded as a person with significant control, and owns 25–50% of shares, holds 25–50% of voting rights.
When are the next accounts of SYNSERA MEDICAL LIMITED due?
The next annual accounts are due by 31 December 2026, and the last accounts were made up to 31 March 2025.

About SYNSERA MEDICAL LIMITED (10657943)

SYNSERA MEDICAL LIMITED is a private limited company incorporated on 8 March 2017 and registered in the United Kingdom under company number 10657943. Its registered office is at FLAT 23 ARBOR HOUSE, STATION ROAD, ORPINGTON, BR6 0RY, ENGLAND. The recorded nature of business is specialists medical practice activities (SIC 86220). The company is currently active , with statutory accounts last made up to 31 March 2025. , and the person with significant control is Mr John Kim Friis. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.

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