What is this company?

Active status, holding company, founded 48 years ago, revenue range: 54m+, real address, 4 directors, 1 owner, located in Sedgefield, google rating 4.0 based on 1 reviews. Regular importer of various communication parts, diodes, single-layer ceramic capacitors, telecommunication cables (12.0 months imported). Regular exporter of fuses for circuits under 10a, various fixed resistors, connectors and contact elements, tantalum capacitors (91.0 months exported). Operates in the processing & manufacturing, the phones, routers, alarms etc industries.

Who owns this company?

Isotek Holdings Ltd owns this company. The list of owners was changed ten years ago. It is not exhaustive, as only owners with more than twenty five percent of shares are published.

Who are the directors of this company?

Shaw Sarah Louise, Edington Nathaniel, Black Mark John, Tyerman Michael are the directors of this company. The list of directors was changed seven months ago.

When was this company founded?

The company was incorporated forty eight years ago on March 30, 1978.

What are the previous names of this company?

The company was previously Isotek Electronics Limited.

Which countries does this company export to?

The company exports to China, China, Hong Kong Special Administrative Region, El Salvador, France, Germany, India, Japan, Netherlands, Norway, Philippines, Poland, Saudi Arabia, Sweden, and United States. (non-official data, calculated by Corpsignals)

Which countries does this company import from?

The company imports from Austria, China, China, Hong Kong Special Administrative Region, Germany, Ireland, Japan, Netherlands, United States, and Viet Nam. (non-official data, calculated by Corpsignals)

Which ports does this company use for trade?

The company uses the following ports for trade: Birmingham Airport, East Midlands Airport, Felixstowe, Glasgow Airport, London, London Gateway Port, London Heathrow Airport, London Stansted Airport, and Southampton. (non-official data, calculated by Corpsignals)

What type of transport does this company use for trade?

The company uses Air transport and Sea transport (not vehicle on ferry) for trade. (non-official data, calculated by Corpsignals)

Can I trust this information?

CorpSignals sources its data from UK government records including Companies House and HMRC trade data. Data is updated every 24 hours. While we ensure accuracy through automated validation, please refer to original government sources for legal or compliance purposes.

Filtronic Wireless Ltd

Q: Where is this company based?

The registration address is TS21 3FR, England, Sedgefield, County Durham, 1 Rosalind Franklin Way, Netpark. The address is real address as five companies registered at the address.

Q: What does this company import to the UK?

The top import category of the regular importer company is Various communication parts, Diodes, Single-layer ceramic capacitors, Telecommunication cables, imported for 12.0 months. The last import operation was made on July 01, 2025.

Q: What does this company export from the UK?

The top export category of the regular exporter company is Fuses for circuits under 10A, Various fixed resistors, Connectors and contact elements, Tantalum capacitors, exported for 91.0 months. The last export operation was made on May 01, 2020.

Active

Large

Holding

48 years

54m+

Regular importer

Regular exporter

Real address

4 directors

1 owner

Sedgefield

Rating 4.0 (1)

Field of Operation

Manufacture of telegraph and telephone apparatus and equipment

26301 209 companies

Website

filtronic.com↗

Social media

linkedin↗ youtube↗

Summary

Electronics manufacturer in England. Filtronic Wireless Ltd is a private limited company registered in England/Wales with the registration number 01360332. The company was founded forty eight years ago on March 30, 1978, and registered at TS21 3FR, England, Sedgefield, County Durham, 1 Rosalind Franklin Way, Netpark. The address is probably real as only five companies are registered at the same address. Its status is active. The company operates in the processing & manufacturing, the phones, routers, alarms etc industries. Officially, it has one owner or PSCs, four directors and no number of employees published.

It's a large company as it met two conditions of three: turnover more than £36 million, balance sheet more than £18 million, employees more than 250.

The company is a regular importer, with its top import category being Various communication parts, Diodes, Single-layer ceramic capacitors, Telecommunication cables, totaling 12.0 months of imports. The last import operation was conducted on July 01, 2025. The company is a regular exporter, with its top export categories including Fuses for circuits under 10A, Various fixed resistors, Connectors and contact elements, Tantalum capacitors, totaling 91.0 of months exports. The last export operation took place on May 01, 2020. Exports to China, China, Hong Kong Special Administrative Region, El Salvador, France, and Germany. Imports from Austria, China, China, Hong Kong Special Administrative Region, Germany, and Ireland. Uses ports Birmingham Airport, East Midlands Airport, Felixstowe, Glasgow Airport, and London. Uses Air transport and Sea transport (not vehicle on ferry) for transport.

WARNING: The numbers have been rounded for simplicity and may be inaccurate.Please, refer to the latest financial report for verification.
Ports, countries, transport, and price/kg were calculated by CorpSignals; non-official data, may contain errors.

Owners & PSC

Isotek Holdings Ltd

10 years

75%+

Managers

Shaw Sarah Louise

7 months

Secretary

Edington Nathaniel

1 year

Chief executive

Black Mark John

8 years

Engineer

Tyerman Michael

9 years

Accountant

Last reports

Download the last financial report

Download the last confirmation report

* may contain a full shareholder list

Last news

2026-03-04 Latest
Full accounts made up to 2025-05-31
2026-03-02
Registered office address changed from Plexus 1 Netpark Thomas Wright Way Sedgefield County Durham TS21 3FD England to 1 Rosalind Franklin Way Netpark Sedgefield County Durham TS21 3FR on 2026-03-02
2025-10-07
Confirmation statement made on 2025-09-30 with no updates

Importer profile by HS codes

Click on the map to see detailed UK statistics on HS code, including companies list.

Import HS codes in detail

8517 8517-Telephones and communication devices Includes smartphones, landline phones, and devices for transmitting or receiving voice, images, or data over networks 7 months, last: 2024-01-01

8532 8532-Electrical capacitors Fixed, variable, or adjustable capacitors used in electrical circuits 1 months, last: 2019-09-01

8534 8534-Printed circuits Flat boards with electronic circuits printed on them, used in devices like computers and phones 1 months, last: 2019-11-01

8536 8536-Electrical devices for low-voltage circuits Includes switches, relays, fuses, and connectors for circuits under 1,000V 1 months, last: 2017-10-01

8541 8541-Semiconductor devices Includes diodes, transistors, and other semiconductor-based devices like light-emitting diodes (LEDs), photovoltaic cells, and mounted piezo-electric crystals 1 months, last: 2016-04-01

8542 8542-Electronic integrated circuits Microchips and circuits used in electronic devices 3 months, last: 2025-07-01

8543 8543-Electrical machines with special functions Machines and devices that perform specific electrical tasks, not covered elsewhere 1 months, last: 2020-04-01

8544 8544-Insulated wires and cables Wires, cables, and optical fibers, insulated or fitted with connectors 1 months, last: 2022-04-01

8547 8547-Insulating fittings for electrical machines and equipment Fittings made mostly of insulating materials, with small metal parts for assembly. Includes electrical conduit tubing and joints lined with insulating material 1 months, last: 2022-09-01

Last imported products

Click on items to see detailed UK statistics on HS code, including companies list.

* Warning: Ports, countries, transport, and price/kg were calculated by CorpSignals; non-official data, may contain errors.

Exporter profile by HS codes

Click on the map to see detailed UK statistics on HS code, including companies list.

Export HS codes in detail

8504 8504-Electrical transformers and converters Devices like transformers, rectifiers, and inductors used to change electrical voltage or current 7 months, last: 2018-03-01

8517 8517-Telephones and communication devices Includes smartphones, landline phones, and devices for transmitting or receiving voice, images, or data over networks 5 months, last: 2020-05-01

8529 8529-Parts for audio and video devices Spare parts used mainly with audio, video, and broadcasting equipment like radios, TVs, and cameras 1 months, last: 2017-01-01

8532 8532-Electrical capacitors Fixed, variable, or adjustable capacitors used in electrical circuits 15 months, last: 2018-05-01

8533 8533-Electrical resistors, including rheostats and potentiometers, but not heating resistors All types of electrical resistors used in circuits, such as fixed and variable resistors, except those designed for heating purposes 18 months, last: 2019-07-01

8534 8534-Printed circuits Flat boards with electronic circuits printed on them, used in devices like computers and phones 1 months, last: 2019-11-01

8536 8536-Electrical devices for low-voltage circuits Includes switches, relays, fuses, and connectors for circuits under 1,000V 28 months, last: 2020-01-01

8537 8537-Electric control panels and distribution boards Electric control panels and distribution boards with two or more devices for controlling or distributing electricity. These may include instruments or devices from Chapter 90 and numerical control systems, but not switching devices from heading 8517 2 months, last: 2019-04-01

8538 8538-Parts for electric control panels Parts specifically designed for use with electric control panels, distribution boards, or similar devices 2 months, last: 2017-09-01

8543 8543-Electrical machines with special functions Machines and devices that perform specific electrical tasks, not covered elsewhere 1 months, last: 2016-05-01

Last exported products

Click on items to see detailed UK statistics on HS code, including companies list.

* Warning: Ports, countries, transport, and price/kg were calculated by CorpSignals; non-official data, may contain errors.

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