Clarke & Severn Electronics

What Clarke & Severn Electronics does

Clarke & Severn Electronics (CSE) is a privately held, Australian specialist supplier of electronic components, RF/microwave products, and cable assemblies serving defense and transportation end-markets. The firm is headquartered in Hornsby, New South Wales, was founded in 1986 by John Severn, and operates with a headcount in the 11-50 employee range, placing it in the small-business segment of the Australian electronics value chain. Its publicly stated positioning focuses on niche component categories — particularly RF/microwave devices and engineered cable assemblies — that tend to require qualified supplier relationships and traceability documentation common to defense procurement.

The business model, consistent with a regional component distributor and light value-added assembler, is inferred rather than directly disclosed: CSE appears to generate revenue by sourcing, stocking, and reselling electronic components and by producing custom or build-to-print cable assemblies for downstream customers in defense and transportation. Specific pricing models, contract structures, and named customer accounts are not disclosed in publicly available data, and the company's primary website (clarke.com.au) was returning only a verification/loading page at time of data collection, limiting depth of verification. The firm has no disclosed funding rounds, no parent or subsidiary entities on record, no public management team beyond the founder, and no certifications, awards, or partnerships enumerated in the available corpus.

Strategically, CSE operates in a structurally attractive but data-opaque position: Australia's defense industrial base has been expanding under AUKUS and the Defence Strategic Review, increasing demand for qualified local suppliers of RF and interconnect hardware. At the same time, the company's small scale and lack of disclosed product roadmap, M&A activity, geographic expansion, or partnership announcements make forward-looking assessment difficult. Investors should treat the available information set as foundational firmographic context only; primary diligence (management interview, customer concentration, revenue mix by segment, and qualification status with key primes) would be required before any meaningful thesis.

Name

Clarke & Severn Electronics

Website

https://clarke.com.au

Company type

Private

Founded year

1986

Operating status

Operating

Headcount range

11–50 employees

Short description

Clarke & Severn Electronics is a privately held Australian specialist supplier, founded in 1986 and based in Hornsby NSW, providing electronic components, RF/microwave products, and cable assemblies for defense and transportation customers.

Ownership category

akta.pro rank

Product category

Electronic Components Distribution

NAICS

Other Communications Equipment Manufacturing (334290), Other Communications Equipment Manufacturing (33429), Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing (33422)

SIC

Electronic & Other Electrical Equipment (No Computer Equip) (3600), Radio & Tv Broadcasting & Communications Equipment (3663)

akta.pro industry

PRIMARYIMABAGAJ

Military Power Supplies, RF/Microwave Components & Ruggedized Electronics

Industrials, Manufacturing & Construction/Aerospace & Defense Manufacturing/Defense Electronics, Sensors & Radar

SECONDARYHDAHAOAD

RF & Microwave Connectors and Coaxial Assemblies

Hardware, Technology & Telecom/Semiconductors & Electronic Components/Connectors, Interconnects & Printed Circuit Boards (PCBs)

SECONDARYHDAHAOAB

Cable Assemblies & Wire Harnesses

Hardware, Technology & Telecom/Semiconductors & Electronic Components/Connectors, Interconnects & Printed Circuit Boards (PCBs)

SECONDARYHDAHAMAG

RF Filters & Duplexers (SAW/BAW/FBAR)

Hardware, Technology & Telecom/Semiconductors & Electronic Components/RF, Microwave & Wireless ICs

Keywords

• Electronic components
• RF microwave products
• Cable assemblies
• Defense electronics supply
• Transportation electronics supply

Headquarters

HQ city

Hornsby

HQ country

Australia

HQ region

Oceania

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations

Core offering

Clarke & Severn Electronics (CSE) is a supplier of electronic components, RF microwave products, and cable assemblies. The company serves customers in the defense and transportation sectors, providing discrete electronic parts, RF/microwave components, and assembled cable products for use in these industries.

Differentiator

Problem solved

Functional benefit

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Recent moves1 record

Direct peers

• RF Industries: US-based supplier of RF/microwave connectors, cable assemblies, and related interconnect products serving defense and wireless infrastructure. Directly overlaps with CSE's RF and cable assembly offering.
• Filtronic: UK-based designer and manufacturer of RF/microwave components and subsystems for defense, telecom, and space markets. Directly comparable to CSE's RF/microwave supply business serving defense customers.
• Pasternack (Infinite Electronics): Broad-line distributor and manufacturer of RF/microwave components, connectors, and cable assemblies serving defense, aerospace, and wireless. Closely aligned with CSE's RF/microwave and cable assembly catalog model.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights5 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Clarke & Severn Electronics