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Senior PLC
Senior is an international, market-leading, engineering solutions provider with 27 operating businesses in 12 countries, the Senior Group is split into two divisions, Aerospace and Flexonics, servicing five key sectors. The company’s own description of itself, taken from its website.
Active 92 years old · 236th oldest of 4,506 · incorporated in the 1930s
Registered office
59/61 HIGH STREET, RICKMANSWORTH, HERTFORDSHIRE, WD3 1RH
Other PLCs registered in Hertfordshire
Online
Website www.seniorplc.com
News and announcements on their own site
Found by searching for the company name and kept only where the domain matches it. Social accounts are listed only where the company links to them from its own site. Nothing here is supplied by the company to us.
Group structure
It is the immediate parent of 4 entities:
- SENIOR ENGINEERING INVESTMENTS LIMITED
- SENIOR FLEXONICS INDIA PRIVATE LIMITED
- SENIOR UK LIMITED
- SENIOR FLEXONICS CZECH S.R.O.
Ownership as recorded by GLEIF, the body that issues Legal Entity Identifiers. Unlike a shared registered office, these relationships are filed and validated, so they are evidence of a real corporate link.
Filing history
This company has 586 documents on its Companies House record. The most recent accounts were filed on 17/06/2026. Its last confirmation statement or annual return was filed on 20/05/2026.
The most recent filings
This is the list of documents filed, not their contents. A line saying accounts were filed records that they were filed and when; it says nothing about turnover, profit or assets, which are inside the documents themselves and are not published here. Read the filings on the Companies House record.
Who runs it
The register lists 5 current officers and 40 who have resigned.
Who controls it
The register shows no current person or entity with significant control for this company.
Charges
No charges are registered against this company.
Officers, controllers and charges are as recorded on the Companies House register on 13/10/2026, and the register changes daily. Appearing here is not an allegation about anyone. Read the current record on the Companies House record.
What it does
This page is compiled from the public register. Companies House does not verify the information filed with it, so treat everything here as what the company reported rather than as established fact. For filings, officers and charges, see the official Companies House record.
Registered office
No other PLC on the register gives this postcode.
On the register
- 236th oldest of 4,506 PLCs
- One of the 1930s cohort
- Not in liquidation or facing strike off
There are 4,506 PLCs in Britain, under a tenth of one per cent of the register. The whole count.