Glenair UK Ltd

What Glenair UK Ltd does

Glenair UK Ltd is a UK-domiciled, privately-held manufacturer of high-reliability electrical and optical interconnect solutions, operating from its headquarters and primary manufacturing facility at Oakham Business Park in Mansfield. The company was established in 1972 to serve the UK military aerospace market and is part of the privately-held Glenair group, which also operates manufacturing in Glendale, California and Bologna, Italy. Glenair UK offers more than 30 distinct product families spanning circular, rectangular, Micro-D, Nano-D, RF/microwave, hermetic, ATEX, fibre optic, subsea, space, nuclear and power connectors, complemented by backshells, cable and harness assemblies, hold-down release mechanisms (HDRMs) for satellites, and supporting accessories.

The company's competitive position rests on vertically integrated manufacturing that includes the largest CNC machining footprint in the interconnect industry, in-house PCB and flex-circuit clean rooms, EMI/RFI filter array capability, and dedicated interconnect testing and product qualification laboratories. Core proprietary technologies include CODE RED lightweight hermetic sealing, GMMD modular Micro-D connectors, Series 80 Mighty Mouse, SuperNine MIL-DTL-38999 Series III, QwikClamp ISS backshells, Sav-Con connector savers, and fuse-wire HDRMs. End customers span military aerospace, civil aerospace, land systems, subsea and oil and gas, space, nuclear, rail and mass transit, and emerging eVTOL applications; named references include NASA (Gemini, Space Shuttle, X-38, ISS), Framatome, and various UK defence primes.

Revenue is generated primarily through direct hardware sales of catalogue and customised interconnect components, with quote-based pricing for custom solutions, no minimum order policy, and free samples on request. Standard catalogue parts ship on a five-week lead time. Distribution is dominated by a UK field sales team covering nine geographic territories plus Ireland, a separate export sales team, an inside sales function at headquarters, and a dedicated product management layer for each of ten product categories. Marketing combines LinkedIn, YouTube, a monthly QwikConnect newsletter, a 3D CAD download portal, a mobile app, and active participation in major UK and international trade shows. Operational metrics reported include production-level on-time delivery above 95% and a six-month raw material buffer.

Name

Glenair UK Ltd

Legal name

Glenair UK Limited

Website

https://glenair.co.uk

Company type

Private

Founded year

1972

Operating status

Operating

Headcount range

251–500 employees

Short description

Glenair UK Ltd is a privately-held UK manufacturer of high-reliability electrical and optical interconnect solutions serving military aerospace, civil aerospace, land systems, subsea/oil and gas, space, nuclear, rail and eVTOL customers from its Mansfield headquarters.

Ownership category

akta.pro rank

Product category

High-reliability electrical and optical interconnect products

NAICS

Electronic Connector Manufacturing (334417), Other Aircraft Parts and Auxiliary Equipment Manufacturing (336413), Communication and Energy Wire and Cable Manufacturing (33592), Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing (336419)

SIC

Electronic Connectors (3678), Aircraft Parts & Auxiliary Equipment, Nec (3728), Guided Missiles & Space Vehicles & Parts (3760)

akta.pro primary industry

Connectors & Interconnect Components (Industrial connectors, terminals, sockets, backplane) (IMAGAJAC)

akta.pro secondary industries

Cable Assemblies & Wire Harnesses (HDAHAOAB), Aerospace Electrical Wiring Interconnect Systems (EWIS) & Harnesses (IMABANAD), Avionics Integration, Wiring Harnesses & Installation Kits (IMABAFAL)

Keywords

• High-reliability connectors
• Military aerospace interconnects
• Subsea oil gas connectors
• Space grade interconnect
• Cable harness assemblies

Headquarters

HQ city

Mansfield

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Interconnect Components and Connectors: Glenair manufactures and sells high-reliability interconnect solutions including connectors (circular, rectangular, Micro-D, Nano-D, RF/Microwave, hermetic, ATEX, space-grade), backshells, accessories, and tooling for defence, aerospace, subsea, space, and industrial applications.
2. Cable and Harness Assemblies: Design, fabrication, and testing of complete cable harnesses and assemblies including complex wiring solutions, fibre optic assemblies, and turnkey RF assemblies for customer-specific applications.
3. Space Mechanisms and Systems: Hold Down Release Mechanisms (HDRM) and mechanical release units for space applications, providing satellite deployment and release solutions with fuse wire technology and non-explosive actuators.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels8 records

Core offering

Glenair UK Ltd manufactures and supplies high-reliability electrical and optical interconnect products (connectors, backshells, cable and harness assemblies, space mechanisms) for defence, civil aerospace, subsea/oil & gas, space, nuclear, rail/industrial mass-transit, and eVTOL customers. Core activities include design, CNC machining, clean-room PCB and flex-circuit fabrication, EMI/RFI filter array production, in-house testing/qualification, and rapid-turnaround assembly of ruggedised connector systems, with both catalogue parts and custom engineered solutions.

Product overview

Glenair UK Ltd is a manufacturer of high-reliability interconnect solutions offering more than 30 unique product families and technologies. The core product portfolio centers on connectors (circular, rectangular, and specialized) including the SuperNine® MIL-DTL-38999 Series III, Micro D, and hermetic connectors, complemented by RF & Microwave interconnects (coax contacts, Series 806/795/962), backshells & accessories (QwikClamp®, ProSeal™), and harness/cable assembly solutions. Specialized product lines include STAR-PAN™ battlefield power/data hubs with Mission Manager, Space Mechanisms (HDRM and Mechanical Release Units), ATEX explosion-proof connectors, SeaKing subsea connectors, nuclear Zone 1E qualified connectors, power connectors (IRT, ITS 500/901, UJ Series), ThermaRex™ extreme temperature solutions, CODE RED™ lightweight hermetic sealing, and Octobyte™ Ethernet interconnect. Additional offerings encompass fiber optics, Glenair Earth Bonds grounding systems, and Twist-Strip™ tooling. Glenair serves military aerospace, civil aerospace, land systems, subsea/oil & gas, space, nuclear, rail/industrial mass transit, and eVTOL sectors with vertically integrated manufacturing including CNC machining, clean room PCB fabrication, EMI/RFI filtering, and in-house testing/qualification laboratories.

Differentiator

Problem solved

Functional benefit

Brands

• STAR-PAN™: Power and data-sharing hub system for military applications including Mission Manager for battlefield warrior device integration
• SeaKing
• SuperNine®
• CODE RED™
• QwikClamp®
• Sav-Con®
• ThermaRex™
• Octobyte™
• Earth Bonds

Products and services

• Connectors High-reliability circular, rectangular, and specialised connectors for military aerospace, civil aerospace, land systems, subsea, space, and industrial applications. Includes MIL-DTL-38999 Series III, MIL-DTL-5015, and reverse bayonet coupling variants.
• Backshells and Accessories Connector backshells, cable clamps, strain relief, and wire protection accessories including QwikClamp® and ProSeal™ protective covers for harsh-environment interconnect applications.
• Fibre Optics Fibre optic connectors, termini, and cable assemblies for high-speed data transmission in aerospace and defence applications.
• Harness Solutions Complete cable harness design, fabrication, and test services for integrated electrical wiring interconnect systems (EWIS).
• STAR-PAN™ Power and data-sharing hubs and mission manager for military battlefield wearable interconnect systems, enabling soldier End User Device (EUD) integration with C4ISR peripherals.
• RF & Microwave Interconnects High-frequency coax connectors, cables, assemblies, and accessories including Series 852, Series 806, Series 795, and Series 962 for harsh-environment low-loss RF applications up to 40 GHz.
• Hermetic Connectors Glass-to-metal sealed connectors for submarine, satellite, and aerospace applications requiring resistance to moisture ingress and pressure differentials, incorporating CODE RED™ lightweight hermetic sealing technology.
• Space Mechanisms (HDRM) Hold-Down Release Mechanisms (HDRM) with fuse wire technology and non-explosive actuators for satellite and space vehicle applications, with preload capacities from 1.5 kN to 24 kN.
• ATEX Connectors Explosion-proof interconnect solutions based on MIL-DTL-5015 ITS series with trapezoidal double-start threaded shells for hazardous area applications, available as panel mount, in-line, and plug configurations.
• Micro D Connectors Complete micro-miniature D-shaped connector line including solder cup, pre-wired, and PCB versions with TwistPin contacts for high performance.
• SuperNine® (Series 23) Advanced performance MIL-DTL-38999 Series III connector combining environmental, hermetic, and filter connector technology advances in a comprehensive high-reliability solution.
• CODE RED™ Innovative lightweight hermetic sealing technology using a proprietary encapsulant process enabling conventional gold-plated copper alloy contacts in a lightweight aluminium package for improved electrical performance.
• Glenair Modular Micro D (GMMD) Innovative modular Micro-D connector combining RF coax and high-speed differential datalink contacts with standard analog signal and power contacts in a single micro-miniature rectangular housing.
• SeaKing Series Underwater connector series for subsea and oil & gas applications including the new WetMate user-serviceable wet-mate connector compliant with API-17F.
• Nuclear Connectors Radiation-resistant, temperature-resistant, chemical and fluid-resistant connectors for Zone 1E containment-area nuclear industry applications including SuperNG, Mighty Mouse NG, ITS-NG, and IPT SE-NG series.
• Power Connectors High-power and high-voltage connectors for rail, industrial, and electric vehicle applications. Includes IRT Series (high voltage multipolar rectangular), ITS 901 Series (medium voltage reverse bayonet), and ITS 500 Series (high voltage single-pole) with current capacities up to 750 Amp.
• Glenair Earth Bonds Equipotential bonding system for lightning strike protection, EMC grounding, and hazardous-area applications, featuring quick one-person installation with no plate preparation required.
• ThermaRex™ Cryogenic and high-temperature tolerant connectors, cables, and conduit systems for extreme temperature application environments.
• Series 792 High-Speed Ultraminiature Rectangular Connectors Multi-port rectangular connector with shielded contact technology for rugged high-speed wire-to-board applications.
• IRT Series Power Connectors High current/high voltage multi-pole rectangular connectors satisfying common parameters imposed by various railway authorities.
• ITS 901 Series Power Connectors Medium voltage reverse bayonet multipole connectors for power cables with 1/0 AWG section.
• ITS 500 Series Power Connectors High voltage single-pole reverse bayonet connectors accepting cables from AWG 3/0 to 444 MCM (95–240 mm²) for currents up to 750 Amp in hostile environmental conditions.
• Octobyte™ 4/8-pole interconnect system for Ethernet data applications providing faster data transmission for industrial networking.
• Mechanical Release Unit Non-explosive mechanical release mechanisms with preload capacities from 1.5 kN to 18 kN for space mechanism applications.
• STAR-PAN™ Mission Manager Integration bridge between soldier End User Device (EUD) and C4ISR peripherals enabling field addition of peripheral devices for mission-specific profiles.

Quantifiable outcome

• Production levels and on-time delivery over 95%
• +3 more outcomes

Named customers5 records

Segments8 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature10 records

Partnerships

One partnership is on record.

• Vision West Nottinghamshire CollegeminorOthers · 1 March 2026Glenair participates in careers fairs at Vision West Nottinghamshire College, connecting with students to promote apprenticeship opportunities and future talent recruitment. Over 1,300 attendees at March 2026 careers fair.

Scale indicators6 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• Axon' Cable: French specialist in custom cable assemblies, wiring harnesses, and interconnect solutions for aerospace, defence, medical, and industrial markets. Comparable to Glenair's Harness Solutions business and overlaps on flat flexible cables, micro-D harnesses, and high-speed data assemblies.
• Radiall: French-headquartered manufacturer of interconnect components for aerospace, defence, telecommunications, and industrial markets. Comparable to Glenair in MIL-spec circular connectors, RF/microwave coax solutions, and harsh-environment packaging with strong European defence presence.
• Smiths Interconnect: Specialty high-reliability interconnect manufacturer focused on aerospace, defence, space, and medical markets. Closely comparable to Glenair in product mix (MIL-spec connectors, RF/microwave, space-qualified solutions) and customer profile, and competes head-to-head on many UK and European defence programmes.
• Fischer Connectors: Swiss manufacturer of high-performance circular push-pull connectors and cable assemblies for defence, medical, industrial, and test & measurement applications. Comparable to Glenair's rugged sealed and hermetic connector offerings, with similar emphasis on miniaturization and harsh-environment performance.
• ODU: German manufacturer of high-quality circular connectors and cable assemblies for medical, military/security, industrial, and test & measurement markets. Comparable modular contact technology and high-reliability positioning, with overlapping aerospace and defence customer base in Europe.
• ITT Interconnect Solutions (Cannon): Long-established supplier of military and aerospace connectors including MIL-DTL-38999, 5015, and harsh-environment solutions. Comparable to Glenair's SuperNine, MIL-DTL-5015, and ATEX lines, with similar focus on defence, aerospace, and industrial markets.
• Harwin: UK-based manufacturer of high-reliability board-level connectors and interconnect for aerospace, defence, and industrial customers. Comparable in Micro-D, Nano-D, and EMI-shielded product families, with similar emphasis on harsh-environment reliability and a UK manufacturing heritage.

Broad incumbents

• Souriau (Eaton): Now part of Eaton's Aerospace division, Souriau supplies high-reliability interconnect for defence, aerospace, and industrial applications. Competes directly with Glenair on 38999-series connectors, hermetic solutions, and harsh-environment harness systems.
• TE Connectivity: Global leader in connectivity and sensor solutions serving aerospace, defence, industrial, and transportation markets. Directly competes with Glenair on aerospace-grade connectors, hermetic solutions, and harness assemblies while also offering a much wider systems-level product range.
• Amphenol: One of the world's largest interconnect manufacturers with a deep portfolio spanning military, aerospace, industrial, automotive, and IT markets. Overlaps with Glenair across MIL-spec circular and rectangular connectors, RF/microwave, and harsh-environment products, but serves a vastly broader end-market footprint.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCnO2TrPvrFsAp4aHD5FiWhw
• LinkedInlinkedin.com/company/glenair-europe
• Xx.com/GlenairUK
• Facebookfacebook.com/profile.php

Compliance11 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries1 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 Glenair UK Ltd