What Lemo does

LEMO is a privately held Swiss precision manufacturer, founded in 1946 in Ecublens, Vaud, that designs and produces high-reliability push-pull self-latching circular connectors, modular contact inserts, and custom cable-assembly solutions for mission-critical applications. Its connector portfolio is organised into five product families — ORIGINALS (B, T, S, E, K series), REDEL (plastic push-pull including the new disposable P Series and IP68 SP Series), OPTIMA (rugged harsh-environment M, F, and D series, including the April 2026 Single Pair Ethernet launch), SUPREME (nuclear, underwater, and high-voltage series), and SPECIALTIES (broadcast, fibre-optic, RF, NIM-CAMAC) — supported by a complementary cable and wire capability inherited from the June 2014 acquisition of Northwire, Inc. of Wisconsin. Technology differentiation rests on the original push-pull locking mechanism (now an industry standard), modular high-density contact architecture spanning electrical, fibre optic, coaxial/triaxial/quadrax, fluidic, and thermocouple contact types, IP68 hermetic sealing, MIL-spec ruggedisation, and high-speed signal integrity (up to 10 Gbps and 2.5 Gbps SPE), with approximately 90% of vertical production concentrated in Switzerland.

LEMO monetises through hardware sales of catalogue and customised connectors, custom cable-assembly services, and engineering services for tailored interconnect solutions, sold quote-by-quote through a globally distributed enterprise field-sales motion. The group operates 18+ wholly-owned subsidiaries in the Americas, EMEA, and Asia-Pacific, supported by an authorised distributor network covering 80+ countries and a European Distribution Center in the Netherlands. Customers are OEMs and system integrators in medical, security and defence, test and measurement, semiconductor, energy and industrial, audio-video, motorsport, and transportation/aerospace/UAV markets, with no single end-customer publicly disclosed and a long 12–18 month qualification cycle reinforcing customer stickiness. Revenue is not publicly reported; the group remains under private ownership, likely founder/family-controlled, and is led by CEO and President Alexandre Pesci.

Name

Lemo

Legal name

LEMO SA

Website

https://lemo.com

Company type

Private

Founded year

1946

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

LEMO is a privately held Swiss manufacturer, founded in 1946, of precision push-pull circular connectors and custom cable assemblies serving OEMs in medical, defence, aerospace, broadcast, semiconductor, test & measurement, and industrial-automation markets across 80+ countries.

Ownership category

akta.pro rank

Product category

Electronic Connectors & Cable Assemblies

NAICS

Electronic Connector Manufacturing (334417), Current-Carrying Wiring Device Manufacturing (335931)

SIC

Electronic Connectors (3678), Electronic Components & Accessories (3670)

akta.pro primary industry

Connectors (Power/Signal/High-Speed) (HDAHAOAA)

akta.pro secondary industries

RF & Microwave Connectors and Coaxial Assemblies (HDAHAOAD), Ruggedized Connectors, Cabling & M12 Connectivity (Industrial Ethernet Physical Layer) (HDAFAJAJ), Connectors, Jacks & Couplers (RJ45/LC/SC/MPO/MTP) (HDAFALAD), Sockets, IC Sockets & Test/Programming Interconnects (HDAHAOAF), Connectors & Interconnect Components (Industrial connectors, terminals, sockets, backplane) (IMAGAJAC)

Keywords

• Push-pull connectors
• Custom cable assemblies
• Precision interconnect solutions
• Medical circular connectors
• Hermetic sealed connectors

Headquarters

HQ city

Ecublens

HQ country

Switzerland

HQ region

Europe

Offices22 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Connector Product Sales: Sales of standard catalogue and customized connectors across ORIGINALS, REDEL, OPTIMA, SUPREME, and SPECIALTIES product families; revenue from one-off sales of connector units to OEMs and system integrators.
2. Cable Assembly & Custom Cable Solutions: Revenue from cable assembly services (Technical cables and Northwire-manufactured custom cables including BioCompatic medical cables), end-to-end cable-connector integration, and bespoke cable designs.
3. Customised Interconnect Solutions & Engineering Services: Revenue from customized connector design, signal integrity end-to-end services, and tailored engineering projects for demanding applications, often customer-funded per Product Change Policy.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels9 records

Core offering

LEMO designs and manufactures high-reliability push-pull circular connectors and custom cable-assembly solutions, organised into the ORIGINALS, REDEL, OPTIMA, SUPREME and SPECIALTIES product families. The company sells standard catalogue connectors as well as fully customised interconnect and cable solutions (including its Northwire subsidiary's specialty cables) to OEMs and system integrators in medical, defence, broadcast, semiconductor, test & measurement, motorsport, aerospace, and industrial automation end markets.

Product overview

LEMO offers an integrated interconnect platform rather than a single product, organized into two connected high-performance brands (LEMO connectors and Northwire cables) and complemented by three services (Cable Assembly, Customised Interconnect Solutions, and Signal Integrity Services). The LEMO connector portfolio is structured as five product families: ORIGINALS (foundational push-pull, e.g., B, T, S, E, K series), REDEL (premium plastic push-pull, including P, SP and MP variants such as the new REDEL P Series disposable plastic connectors and REDEL SP IP68), OPTIMA (rugged harsh-environment series M, F, and the new D miniature push-pull, including the OPTIMA M Series Single Pair Ethernet), SUPREME (extreme-requirement series N nuclear, W underwater, Y high-voltage unipole), and SPECIALTIES (broadcast SMPTE 3K.93C, NIM-CAMAC 00, miniature and broadcast coax, fibre-optic contacts, and underwater 03 series). Northwire, acquired in 2014, supplies high-performance cable and wire solutions that combine with LEMO connectors via the Cable Assembly Service into end-to-end assemblies.

Differentiator

Problem solved

Functional benefit

Brands

• REDEL: LEMO's premium plastic connector product line (REDEL P push-pull, REDEL SP inner push-pull, REDEL MP modular inner push-pull), originally associated with disposable and medical applications.
• OPTIMA
• SUPREME
• ORIGINALS
• Northwire

Products and services

• ORIGINALS Connector Family LEMO's flagship circular push-pull connector family, comprising B, T, S, E and K series, designed for indoor and outdoor keyed applications where reliable self-latching mating is required.
• REDEL Plastic Connector Family LEMO's premium plastic push-pull connector family, including REDEL P, SP and MP series, designed for medical and demanding-environment applications requiring biocompatibility, sterilisation tolerance and high reliability.
• OPTIMA Harsh-Environment Connector Family LEMO's harsh-environment rugged connector family comprising M, F and D series, engineered for extreme mechanical, thermal and environmental conditions with high-speed signal-integrity performance.
• SUPREME Extreme-Requirements Connector Family LEMO's specialist connector family for extreme-application requirements, including N nuclear stainless steel, W underwater and Y high-voltage unipole series.
• SPECIALTIES Connector Family LEMO's specialty connector family covering broadcast, fibre optic, RF, underwater and high-voltage applications, including SMPTE 3K.93C, NIM-CAMAC 00, miniature 50Ω, broadcast 75Ω, rectangular, fibre-optic contacts and underwater 03 series.
• OPTIMA M Series Single Pair Ethernet (SPE) Connector OPTIMA M Series Single Pair Ethernet connector delivering data transmission up to 2.5 Gbps over two wires, with IP68 sealing, robust ratchet coupling and military-grade reliability for aerospace, UAV, automotive and industrial automation applications.
• REDEL SP IP68 Series Connector Compact, robust REDEL connector with resin-free IP68 sealing that eliminates dependence on complex or time-consuming potting processes, targeted at medical and other demanding applications.
• REDEL P Series Disposable Plastic Connectors New REDEL disposable plastic connector series enabling high-performance connectivity for single-use / disposable medical devices.
• OPTIMA D Series Rugged Miniature Push-Pull Connector Extreme-performance miniature-size rugged push-pull connector in the OPTIMA family, designed for size- and weight-constrained applications requiring rugged reliability.
• Northwire Specialty Cables and Wires Cable and wire brand acquired by LEMO in 2014, manufacturing complex high-performance cables used in medical, aerospace, motorsport, defence, nuclear and extreme-environment applications, with capabilities including extrusion, EMI braiding, retractile coiling, and BioCompatic silicone-alternative medical cable offerings.
• Cable Assembly Service LEMO Group service providing complete cable-assembly solutions combining LEMO connectors with Northwire cables, with 100% cable assembly testing, vertical integration and rapid turnaround for demanding industries.
• Customised Interconnect Solutions Custom design and engineering service for tailored connector and interconnect solutions, including hybrid cable-connector assemblies, offered by the LEMO Group to OEM customers.
• Signal Integrity End-to-End Services Signal-integrity engineering service covering high-speed data and high-frequency interconnect characterisation and validation across the LEMO product portfolio.

Quantifiable outcome

• 5000 mating cycles endurance (K series fibre optic)
• +3 more outcomes

Named customers1 record

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

17 partnerships are on record, tiered core, flagship (lemo group subsidiary) and minor.

• LEMO Benelux (Netherlands facility) — European Distribution CentercoreChannel Partner/ Reseller/ Distributor · 28 May 2015LEMO and Northwire jointly launched the European Distribution Center (EDC) in May 2015, located at LEMO's Benelux facility in Haarlem, Netherlands. The EDC offers specialised inventory programs, fast delivery, and custom cable services plus technical support; designed for rapid customer response and centralised European cable distribution.
• Northwire, Inc. (NWI)flagship (lemo group subsidiary)Strategic or Co-development Partner · 30 June 2014LEMO acquired Northwire, Inc., a US specialty cable manufacturer of wire and multi-conductor cable and retractiles for the medical, aerospace & defense, energy & industrial markets. The acquisition enlarged LEMO's offering to provide a complete cable-connector solution. Northwire (founded 1972 in Osceola, Wisconsin) provides extrusion, braiding (EMI protection), and retractile coiling (high flex-life) integrated with LEMO connectors. Held ISO 9001, ISO 13485, AS 9100, and ISO 17025 certifications. Existing Northwire and LEMO structures remained unaltered post-acquisition; announced by Alexandre Pesci, CEO and President, LEMO Group.
• Sony (Green Partner program)minorStrategic or Co-development PartnerLEMO is certified as a Sony Green Partner under the Green Partner Environmental Quality Approval Program (SS-00259), which covers REACH, RoHS, and additional national regulations from multiple countries. LEMO conducts regular supplier controls, ICP tests, audits, self-assessments, and staff training to maintain compliance.
• JOHN BARRY GROUP (Australia / New Zealand distributor)coreChannel Partner/ Reseller/ DistributorAuthorised LEMO distributor for Australia and New Zealand; Australian office located at Unit 1, 706 Mowbray Road, Lane Cove NSW 2066; contact [email protected].
• MICROLINK S.A.S. (Colombia) / MICROLINK PERU S.A.CcoreChannel Partner/ Reseller/ DistributorAuthorised LEMO distributor serving Colombia (Autopista Medellín Km 2.5, Cota – Cundinamarca) and Peru (Jirón Santiago Wagner 2570, Pueblo Libre, Lima).
• CALAVITIS S.A. (Greece) / CALPRO PC (Greece / Cyprus)coreChannel Partner/ Reseller/ DistributorAuthorised LEMO distributors serving Greece and Cyprus; both based at 11/16 Antinoros Street, 116 34 Athens, Greece.
• JAYCOR INTERNATIONAL (PTY) LTD (South Africa)coreChannel Partner/ Reseller/ DistributorAuthorised LEMO distributor for South Africa; head office at Sandgate Park, 16 Desmond Street, Eastgate Ext. 9, Sandton, Johannesburg.
• SUNG SHIN I&C CO., LTD. (South Korea)coreChannel Partner/ Reseller/ DistributorAuthorised LEMO distributor for South Korea; located at 2F, JCM B/D, 66, Saimdang-ro, Seocho-gu, Seoul 06640.
• PEI-Genesis (Israel and Turkey)coreChannel Partner/ Reseller/ DistributorAuthorised LEMO distributor for Israel (26 Harokmim St Building C, 11th floor, Holon 5885849) and Turkey (Istanbul). PEI-Genesis is a well-known connector distributor/specialist.
• REDEL Elektronika Kft (Hungary)coreChannel Partner/ Reseller/ DistributorLEMO subsidiary covering Hungary, Bulgaria, Romania, and adjacent markets; located at Nagysándor József u. 6, 1201 Budapest.
• MECHATRONIC (Czechia / Slovakia)coreChannel Partner/ Reseller/ DistributorAuthorised LEMO distributor for Czech Republic and Slovakia; located at Klonkerova 9, 148 00 Praha 4.
• IBERLEMO S.A.U. (Spain / Portugal)coreChannel Partner/ Reseller/ DistributorAuthorised LEMO distributor covering Spain and Portugal; located at C/ Ribera del Congost 30 A, 08520 Les Franqueses del Vallès (Barcelona).
• 3GT LAB SP (Chile / Bolivia)minorChannel Partner/ Reseller/ DistributorAuthorised LEMO distributor for Chile and Bolivia; based at General Flores #20 Piso 6 Oficina 606, Providencia, Santiago, Chile.
• SEMICON (Poland)coreChannel Partner/ Reseller/ DistributorAuthorised LEMO distributor for Poland; located at 43 Zwolenska St., 04-761 Warsaw.
• Raimeck Indústria (Brazil)coreChannel Partner/ Reseller/ DistributorAuthorised LEMO distributor in Brazil; located at Rua Duque de Caxias, 306 (former 79), Santo Amaro, São Paulo - SP.
• Connection Technologies Ltd (New Zealand / Fiji)minorChannel Partner/ Reseller/ DistributorAuthorised LEMO distributor covering New Zealand and Fiji; P.O. Box 39340 Wellington Mail Centre, Lower Hutt, New Zealand.
• LEMO Middle East Connectors LLCcoreStrategic or Co-development PartnerLEMO regional subsidiary covering Middle East and Africa markets (Algeria, Angola, Bahrain, Benin, Botswana, Burkina Faso, Burundi, Cameroon, Central African Republic, Chad, Congo, Côte d'Ivoire, Djibouti, Egypt, Equatorial Guinea, Eritrea, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Iran, Iraq, Jordan, Kenya, Kuwait, Lebanon, Liberia, Libya, Madagascar, Malawi, Mali, Mauritania, Morocco, Mozambique, Namibia, Niger, Nigeria, Oman, Pakistan, Qatar, Rwanda, Saudi Arabia, Senegal, Sierra Leone, Somalia, South Sudan, Sudan, Syria, São Tomé & Príncipe, Tanzania, Togo, Tunisia, Turkey, Uganda, UAE, Yemen, Zambia, Zimbabwe). Located at Concorde Tower, 11th Floor, Office 1102, Dubai Media City.

Scale indicators8 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• Amphenol: Amphenol is the world's largest interconnect manufacturer with broad coverage across military (D38999), aerospace, automotive, industrial, medical, and IT/datacom. A broad incumbent whose rugged circular connectors (e.g., MIL-DTL-38999, PT, PC) and harsh-environment product lines directly overlap LEMO's SUPREME and ORIGINALS families, and whose size gives it supply-chain and pricing power that LEMO cannot match at scale.
• TE Connectivity: TE Connectivity is a global incumbent in electronic connectivity, including aerospace & defence (DEUTSCH, Raychem, Kemtron brands), industrial, medical, and automotive connectors. Overlaps with LEMO in rugged circular connectors and integrated cable-harness assemblies, and competes for high-reliability design-ins in aerospace and defence. Far larger scale and broader portfolio than LEMO.
• ITT Cannon: ITT Cannon is a long-established US/UK connector manufacturer with a broad portfolio covering military circular (D38999), commercial aerospace, industrial, and medical connectors. Overlaps with LEMO in ruggedised high-reliability circular connectors and integrated cable-assembly solutions, and competes in defence and aerospace OEM platforms where D38999 and equivalents are specified.
• Molex (Koch Industries): Molex is a global connector manufacturer with deep presence in automotive, industrial, medical, and data-communications markets, including coaxial, fibre-optic, and ruggedised industrial connectors. Comparable to LEMO in high-density signal-integrity connectors (especially for high-speed data and fibre optics) and competes in automotive and industrial Ethernet / SPE adjacent product lines.

Direct peers

• Glenair: Glenair is a US specialty connector manufacturer focused on military, aerospace, and harsh-environment interconnect solutions, including MIL-DTL-38999 derivatives, fibre-optic, and high-speed contacts. Directly comparable to LEMO's SUPREME and SPECIALTIES product families in defence and aerospace, with comparable MIL-spec testing capabilities and integrated cable-assembly offerings.
• JAE (Japan Aviation Electronics Industry): JAE is a Japanese manufacturer of precision electronic connectors with strong positions in automotive, aerospace, industrial, and high-speed data communications. Directly comparable to LEMO in push-pull and rugged circular connectors for harsh environments, and competes for SPE/automotive Ethernet design-ins as the automotive market migrates to zonal architectures.
• Smiths Interconnect: Smiths Interconnect is a UK-based specialty connector and cable assembly manufacturer serving aerospace, defence, medical, semiconductor test, and industrial markets. Directly comparable to LEMO in harsh-environment high-reliability connectors (including push-pull variants) and integrated cable-assembly solutions. Competes in the same MIL-spec and medical device OEM programmes.
• Fischer Connectors: Fischer Connectors is the closest direct competitor to LEMO — a Swiss-headquartered precision push-pull connector manufacturer serving medical, defence, test & measurement, and industrial markets. Same heritage (founded 1954), same push-pull core technology, same customer base, and same Swiss vertical-integration manufacturing model. Direct head-to-head competition in many OEM design-in opportunities.
• Hirose Electric: Hirose Electric is a Japanese precision connector manufacturer with strong push-pull, coaxial, fibre-optic, and board-to-board connector lines serving industrial, medical, automotive, and test & measurement customers. Comparable to LEMO in miniaturisation, high-density modular contacts, and customised interconnect engineering; competes directly in Asian OEM design-in opportunities.
• ODU GmbH: ODU is a German precision connector manufacturer specialising in push-pull locking systems and modular contact inserts — directly competing with LEMO's ORIGINALS and OPTIMA families in medical, military, test & measurement, and industrial automation. Same modular high-density architecture, same harsh-environment specialisation, similar customised engineering services model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/lemoconnectors
• YouTubeyoutube.com/c/LEMO-GROUP
• Facebookfacebook.com/lemoconnectors
• LinkedInlinkedin.com/company/lemo
• Instagraminstagram.com/lemoconnectors

Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries18 records

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 Lemo