What FOA does

FOA Limited is a privately held UK specialist in rugged fibre optic connectivity solutions for harsh-environment applications, headquartered in Loughborough, United Kingdom. The company designs, manufactures, and supplies both Physical Contact connector families (ARINC 801, LC Field, TAC4, HDM, MFM, TFOCA-II/III, M28876, D38999, MLC Uni-Boot) and Expanded Beam families (TACBeam, HDEB, QBeam), along with MIL-spec termini (M29504/4, /5, /14, /15, ARINC 801, Lumière, Lux-Beam). Its underlying technology spans ceramic ferrule physical contact interconnects and lens-based expanded beam optics, with products qualified to MIL-PRF-29504, MIL-DTL-38999, MIL-DTL-83526, MIL-PRF-28876, and VG95319 specifications for aerospace, defence, oil & gas, transport, autosport, nuclear power, telecoms, and outside broadcast markets.

The company operates from a single ISO 9001:2015 UKAS accredited manufacturing facility in Loughborough and holds JOSCAR accreditation for aerospace, defence, and security supply chains, plus a NATO NCAGE code (U1VA9). Revenue is generated through direct-to-customer hardware sales of standard and custom cable assemblies, complemented by technical consultation and solution design services. Go-to-market is exclusively direct enterprise field sales, supported by a content-marketing website; pricing is quote-based and not publicly disclosed. The company employs 11-50 staff, sells globally, and has been continuously self-funded over its 25+ year operating history with no disclosed external investment, acquisitions, or leadership changes.

Name

FOA

Legal name

FOA Limited

Website

https://foa-ltd.co.uk

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

11–50 employees

Short description

FOA Limited is a UK-based, ISO 9001 and JOSCAR accredited manufacturer of rugged fibre optic connectors, termini, and custom cable assemblies qualified to MIL-SPEC standards, serving aerospace, defence, oil & gas, transport, autosport, nuclear, telecoms, and outside broadcast customers worldwide.

Ownership category

akta.pro rank

Product category

Fibre Optic Connectivity Hardware

NAICS

Electronic Connector Manufacturing (334417), Fiber Optic Cable Manufacturing (335921), Other Communications Equipment Manufacturing (33429)

SIC

Electronic Connectors (3678), Aircraft Parts & Auxiliary Equipment, Nec (3728), Communications Equipment, Nec (3669)

akta.pro primary industry

Data, Communications & Fiber Optic Cable (IMADAMAD)

akta.pro secondary industries

Aerospace Electrical Wiring Interconnect Systems (EWIS) & Harnesses (IMABANAD), Cable Accessories & Joints/Terminations (splices, joints, terminations, link boxes) (EUADADAC), Connectors & Interconnect Components (Industrial connectors, terminals, sockets, backplane) (IMAGAJAC)

Keywords

• Fibre optic connectors
• Rugged connectivity solutions
• Military spec connectors
• Expanded beam technology
• Aerospace fibre optics

Headquarters

HQ city

Loughborough

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, Technology or R&D, Others

Revenue model

1. Fibre Optic Hardware Sales: Sale of rugged fibre optic connectors, cables, and accessories designed for harsh environments. Products include physical contact connectors (ARINC 801, LC Field, TAC4, HDM, MFM, TFOCA-II, TFOCA-III, M28876, D38999, MLC) and expanded beam connectors (TACBeam, HDEB, QBeam). Revenue generated from one-time product sales of standard and custom configurations.
2. Custom Cable Assemblies: Design and manufacture of custom fibre optic cable assemblies tailored to specific customer requirements. Provides complete end-to-end connectivity solutions from concept to installation, supporting fast turnaround from their UK manufacturing facility.
3. Professional Services: Technical consultation and solution design services to help customers achieve their project goals. Includes support for product selection, custom design specifications, and installation guidance for fibre optic connectivity requirements.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

FOA Limited designs, manufactures, and supplies rugged fibre optic connectivity solutions — including physical contact connectors, expanded beam connectors, termini, and custom cable assemblies — for harsh environment applications in aerospace, defence, oil & gas, transport, autosport, nuclear, telecoms, and outside broadcast markets. Products are built to military specifications (MIL-PRF-29504, MIL-DTL-38999, MIL-DTL-83526) at their ISO 9001:2015 UKAS accredited manufacturing facility in Loughborough, UK.

Product overview

FOA provides a comprehensive portfolio of rugged fibre optic connectivity solutions for harsh environments, encompassing both Physical Contact and Expanded Beam product lines. The Physical Contact range includes ARINC 801, LC Field, TAC4, HDM, MFM, TFOCA-II, TFOCA-III, M28876, D38999 connectors, and MLC Uni-Boot connectors. The Termini products include M29504 series (/-14, /-15, /4, /5), Lumiere, ARINC 801, and Lux-Beam Expanded Beam termini. The Expanded Beam solutions include TACBeam, High Density Expanded Beam (HDEB), and QBeam connectors. These products serve markets including Aerospace, Defence, Oil & Gas, Transport, Autosport, Nuclear Power, Telecomms, and Outside Broadcast. All products are manufactured at a UKAS accredited ISO9001:2015 facility in the UK.

Differentiator

Problem solved

Functional benefit

Brands

• TACBeam: Expanded beam fibre optic connector - hermaphroditic connector available in 1 to 4 channel configurations, qualified to MIL-DTL-83526/20 & VG95319-100
• High Density Expanded Beam
• QBeam
• ARINC 801
• TAC4
• HDM
• MFM
• TFOCA-II
• TFOCA-III
• LC Field
• MLC Uni-Boot

Products and services

• ARINC 801 Connectors Cylindrical fibre optic connector range designed for aerospace and military applications, supporting 2 to 32 channels in standard D38999 shells with removable alignment sleeve retainer, guide pins for precision alignment, and scoop proof shell design.
• LC Field (LCFTV) Connectors Ruggedized LC connector solution that transforms standard LC patchleads into environmental connector solutions using MIL-DTL-38999 Series III Size 19 shell with tri-start thread and anti-vibration coupling for harsh environments.
• TAC4 (109 Series) Hermaphroditic Connectors Hermaphroditic fibre optic connector series that functions as either plug or receptacle, allowing daisy-chained cable assemblies for flexible deployment. Available in Multimode and Singlemode.
• HDM 2-Channel Hermaphroditic Connector 2-channel hermaphroditic connector with bayonet locking mechanism for daisy-chaining cable assemblies. Sealed design for high environmental and optical performance in land tactical and broadcasting applications.
• MFM Single-Channel Rugged Sealed Connector Single-channel rugged sealed connector with ratchet coupling nut for high-vibration applications, constructed from ARCAP for very high corrosion resistance. Suitable for aerospace, land, and above/below sea applications.
• TFOCA-II Connectors 4 and 12 channel harsh environment fibre optic connector using industry standard physical contact ceramic ferrules. Fully field-repairable design with removable end cap for direct access to alignment sleeve and termini.
• TFOCA-III Connectors
• M28876 Fibre Optic Connectors Fibre optic connectors qualified to MIL-PRF-28876 Rev. E, precision-machined for superior optical performance in extreme environmental conditions, featuring QuickLoc backshell for easy termini maintenance.
• D38999 MIL-DTL-38999 Series III Connectors MIL-DTL-38999 Series III circular connector adapted for fibre optics using M29504/4 and /5 termini, designed for harsh environments with wide temperature ranges and high mechanical vibrations.
• MLC Uni-Boot Duplex Connectors Duplex metal bodied LC connector precision manufactured from machined and die-cast alloy materials, providing LC compatible connector for tough military and industrial applications.
• M29504/14 & /15 Termini Fibre optic termini qualified to MIL-PRF-29504B specifications, providing superior optical and mechanical performance and compatible with M28876 and comparable military-style connectors.
• M29504/4 & /5 Termini Low cost, high precision termini designed for MIL-DTL-38999 Series III connectors with size 16 pin cavities, qualified to MIL-STD-29504/4 & /5 Rev. D for single mode and multimode applications.
• Lumière Fibre Optic Termini Fibre optic terminus for commercial airframe, avionics and aerospace applications, a direct replacement for ELIO termini and compatible with existing ELIO connectors, utilizing a 2.5mm ceramic ST type ferrule.
• ARINC 801 Termini ARINC 801 compliant termini for use in both cylindrical and rectangular connectors in commercial and military applications, providing high performance interconnect systems.
• Lux-Beam Expanded Beam Termini Expanded beam termini designed to fit MIL-DTL-38999 Series III connectors, offering upgrade from standard M29504/4 & /5 physical contact termini. Available in Singlemode and Multimode.
• TACBeam Expanded Beam Connector Hermaphroditic expanded beam connector available in 1 to 4 channel configurations. Plug qualified to MIL-DTL-83526/20 & VG95319-100; receptacle qualified to MIL-DTL-83526/21 & VG95319-101. Available in Multimode and Singlemode.
• High Density Expanded Beam (HDEB) Connectors High density expanded beam family compatible with MIL-DTL-83526/20 & 21, utilizing 2, 4, 8 & 12 channel expanded beam inserts for demanding harsh environment applications in military and industrial settings.
• QBeam Expanded Beam Connector Hermaphroditic expanded beam connector available in 1 to 4 channel configurations with Aluminium body and Black anodize finish. Multimode version.
• Custom Cable Assemblies Design and manufacture of custom fibre optic cable assemblies tailored to specific customer requirements, providing complete end-to-end connectivity solutions from concept to installation, supporting fast turnaround from their UK manufacturing facility.

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

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Molex (Koch Industries): Molex offers a broad portfolio of fiber optic interconnect products for telecom, industrial, aerospace, and defense markets. A larger-scale incumbent competitor with some overlap with FOA's harsh-environment product range.
• TE Connectivity: TE Connectivity is a global leader in connectivity and sensor solutions with a substantial aerospace, defense, and industrial fiber optic connector portfolio. Larger-scale competitor overlapping with FOA's MIL-SPEC qualified product range.
• Amphenol: Amphenol is one of the world's largest interconnect manufacturers with broad fiber optic and harsh-environment connector offerings serving aerospace, defense, telecom, and industrial markets. Competes with FOA across virtually all of FOA's segments but at much greater scale and product breadth.

Direct peers

• Smiths Interconnect: Smiths Interconnect supplies high-reliability fiber optic and electrical interconnect products for aerospace, defense, and space applications with MIL-SPEC qualified product lines. Directly competes with FOA in harsh-environment fiber optic connectors and termini, including expanded beam and physical contact offerings.
• Carlisle Interconnect Technologies: CarlisleIT designs and manufactures harsh-environment fiber optic and electrical interconnect for commercial aerospace, defense, and space markets. Overlaps with FOA in rugged fiber optic connectors and custom cable assemblies for aerospace and military applications.
• Radiall: Radiall manufactures fiber optic and RF interconnect solutions for aerospace, defense, telecommunications, and industrial markets. Overlaps directly with FOA in MIL-SPEC qualified fiber optic connectors, expanded beam technology, and harsh-environment termini.
• HUBER+SUHNER: HUBER+SUHNER manufactures fiber optic connectivity solutions for industrial, aerospace, defense, and rail applications, including ruggedized and expanded beam connectors. Direct overlap with FOA in harsh-environment fiber optic interconnect.
• Diamond SA: Diamond SA manufactures fiber optic components and connectors, including expanded beam and physical contact solutions for military, aerospace, and industrial applications. Competes directly with FOA in MIL-SPEC qualified harsh-environment fiber optic interconnect.
• Glenair: Glenair specializes in military and aerospace interconnect products including MIL-DTL-38999 fiber optic connector variants and harsh-environment cable assemblies. A direct competitor in the FOA-served aerospace and defense fiber optic connector niche.
• Sabritec (Smiths Interconnect): Sabritec (now part of Smiths Interconnect) specializes in high-precision fiber optic interconnects including expanded beam and MIL-SPEC qualified solutions for military and aerospace. Direct competitor in FOA's core harsh-environment fiber optic connector category.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/FOA_LIMITED
• Facebookfacebook.com/FibreOpticConnector
• LinkedInlinkedin.com/company/foa-limited

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

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 FOA