What SJ Electronics does

SJ Electronics (legal entity S J Electronics Ltd., Company No. 02165816) is a privately held UK specialist distributor of electronic test and measurement equipment, founded in 1987 and headquartered at Telford Way Industrial Estate in Kettering, Northamptonshire. The firm aggregates products from more than 30 international brands — including Fluke, Keysight, Tektronix, Yokogawa, Teledyne FLIR, Megger, GW Instek, Pico Technology, and Testo — and distributes the John Godrich laboratory equipment line across the UK and Ireland. Its catalogue spans analysers (impedance, logic, network, power, spectrum, RF), calibrators (electrical, humidity, pressure, process, temperature), oscilloscopes, signal generators, power supplies and sources, data acquisition systems, electrical and industrial testers, ESD protection, thermal imaging, and corrosion/coatings testing chambers.

The company targets five primary verticals: industrial manufacturing (QA/compliance testing), electronics design and R&D, laboratory and scientific research, electrical installation and maintenance, and the education sector. SJ Electronics holds ISO 9001 (NQA) and JOSCAR (ADS Group, 2025) certifications, and offers ISO/IEC 17025-accredited calibration, servicing, and repair support alongside the sales operation. Its go-to-market is a hybrid model: an e-commerce storefront (sjelectronics.co.uk) handling direct online purchases of catalogued SKUs from £5 accessories to £13,000+ capital instruments, paired with a consultative direct-sales channel staffed by technical sales engineers who deliver quotes, demos, and design-challenge consultations. Content marketing (blog, Education Corner, SEO, newsletters) supports top- and mid-funnel demand generation. Pricing is predominantly quote-based, billed on a pay-as-you-go / one-time-purchase basis. No public revenue, funding, M&A, leadership change, or product-software/AI signals are disclosed in the available data.

Name

SJ Electronics

Legal name

S J Electronics Ltd.

Website

https://sjelectronics.co.uk

Company type

Private

Founded year

1987

Operating status

Operating

Headcount range

51–100 employees

Short description

SJ Electronics is a privately held UK specialist distributor of electronic test and measurement equipment, sourcing from 30+ brands and serving industrial, laboratory, R&D, electrical-installation, and education customers across the UK and Ireland.

Ownership category

akta.pro rank

Product category

Electronic Test and Measurement Equipment Distribution

NAICS

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515), Other Measuring and Controlling Device Manufacturing (334519), Electronic and Precision Equipment Repair and Maintenance (8112)

SIC

Instruments For Meas & Testing Of Electricity & Elec Signals (3825), Industrial Instruments For Measurement, Display, And Control (3823), Services-Testing Laboratories (8734)

akta.pro primary industry

Test & Measurement Equipment (Oscilloscopes, DAQ, signal analyzers, calibration benches) (IMAGAFAC)

akta.pro secondary industry

Calibration Services & Standards (Calibration labs, reference standards, traceability services) (IMAGAFAH)

Keywords

• Electronic test equipment
• Test measurement instruments
• Calibration equipment supply
• Industrial inspection tools
• Laboratory testing equipment

Headquarters

HQ city

Kettering

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Electronic Test Equipment Sales: Direct sales of electronic test and measurement equipment including analysers, calibrators, oscilloscopes, power supplies, signal generators, and environmental testing equipment. Sales occur through e-commerce platform and direct sales engagement.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

SJ Electronics is a specialist UK distributor of electronic test and measurement equipment, supplying analysers, calibrators, oscilloscopes, power supplies, signal generators, electrical and installation testers, thermal imaging cameras, data acquisition systems, and ESD protection equipment from over 30 major international brands. The company also distributes the John Godrich laboratory equipment range and provides ISO/IEC 17025 accredited calibration, servicing, and repair services.

Product overview

SJ Electronics is a specialist UK distributor of electronic test and measurement equipment, offering a comprehensive portfolio of branded instruments across multiple categories. The product lineup includes analysers (impedance, logic, network, power, spectrum, RF), calibrators (electrical, humidity, pressure, process, temperature), data acquisition systems and loggers, electrical testers, industrial testers, oscilloscopes, power supplies and sources, signal generators, temperature measurement instruments, and ESD protection equipment. The company also distributes the John Godrich laboratory equipment brand covering corrosion testing (salt spray, cyclic corrosion, condensation cabinets), coatings testing (adhesion, hardness, film thickness), environmental chambers, laboratory ovens, incubators, and mixing equipment. Featured brands include Fluke, Keysight, Teledyne FLIR, Pico, Yokogawa, Megger, Tektronix, Testo, and VELP Scientifica among others. SJ Electronics operates as a multi-brand distributor rather than a single-product company, enabling customers to source comprehensive test and measurement solutions from one supplier.

Differentiator

Problem solved

Functional benefit

Products and services

• ISO/IEC 17025 Accredited Calibration Services Accredited calibration service for test and measurement instruments, providing traceable measurements and competent laboratory support for industrial, laboratory, and electrical customers across the UK and Ireland.
• John Godrich Laboratory and Test Equipment Comprehensive range of laboratory and test equipment distributed exclusively by SJ Electronics in the UK and Ireland, including block thermostats, corrosion testing (salt spray, cyclic corrosion, condensation), coatings testing, environmental chambers, lab and industrial ovens, laboratory incubators, mixing equipment, stirrers, homogenisers, and cleaning systems for pharmaceutical, food, automotive, paint, and manufacturing sectors.
• FLIR A40 Science Kit Thermal imaging camera science kit for research and scientific applications, priced at £4,999.
• PicoScope 5000E Series High-precision PC-based oscilloscope series offering precision and speed for demanding test and measurement applications, distributed via Pico Technology partnership.
• Keysight AP5001A/AP5002A RF Signal Generators High-performance RF analog signal generators for RF and microwave testing applications, distributed via Keysight Technologies partnership.
• Yokogawa LS3300 AC Power Calibrator Flexible phase AC power calibrator with wide output range and enhanced usability for power calibration applications, distributed via Yokogawa partnership.
• Keysight EL4900A ATE Power Systems Automated test equipment power systems for ATE and manufacturing test applications, distributed via Keysight Technologies partnership.
• Keysight DP5700 Series Programmable DC Power Supplies Series of programmable DC power supplies for ATE and test system applications, distributed via Keysight Technologies partnership.
• Keysight RP5900 Series Regenerative DC Power Supply Regenerative DC power supply series (2kW-12kW) for high-power testing applications, distributed via Keysight Technologies partnership.
• Fluke 729 Pro Series Automatic Pressure Calibrator Automatic pressure calibrator for precision pressure calibration applications, priced at £13,292, distributed via Fluke partnership.
• GW Instek GVM-9102 2 kV DC Voltmeter High-voltage DC voltmeter for precision voltage measurement applications, priced at £847, distributed via GW Instek partnership.
• Testo 104-IR BT Folding Infrared and Penetration Thermometer Dual-function infrared and penetration thermometer with Bluetooth connectivity, priced at £139, distributed via Testo partnership.
• Keysight B2960C Series 6.5 Digit Low Noise Power Sources Precision low-noise power sources with 6.5 digit resolution for demanding test applications, priced at £8,786, distributed via Keysight Technologies partnership.
• Keysight B2900C/B2900CL Series Precision Source Measure Units Precision SMU instruments for voltage and current sourcing and measurement, priced at £5,027, distributed via Keysight Technologies partnership.
• Fluke 1535 2500V Insulation Tester 2500V insulation tester for electrical testing applications, priced at £1,452, distributed via Fluke partnership.
• Megger MIT515 Advanced 5 kV Insulation Resistance Tester Advanced 5 kV insulation tester with up to 10 TΩ range, PI/DAR trending, and CAT IV/IP54 safety rating, priced at £3,065, distributed via Megger partnership.
• Megger LT300 Series High Current Loop Testers High current loop testers for precise loop impedance testing in single and three-phase systems, priced at £610, distributed via Megger partnership.
• Megger LTW425 Two-Wire Non-Tripping High Resolution Loop Tester Non-tripping loop tester for high-resolution loop impedance and PFC measurements without disconnecting protective earth, priced at £795, distributed via Megger partnership.
• Fluke 1664 FC Multifunction Installation Tester Multifunction installation tester with wireless connectivity for sharing test results via smartphone, priced at £2,496, distributed via Fluke partnership.
• Testo 400 Universal Airflow and IAQ Instrument High-performance all-in-one IAQ and airflow measuring instrument with smart touchscreen, multi-probe capability, and wireless reporting, priced at £1,380, distributed via Testo partnership.
• Fluke 985 Airborne Particle Counter Airborne particle counter for measuring particulate matter in indoor environments, priced at £7,067, distributed via Fluke partnership.
• Liebisch Constasal Salt Spray Chambers High-quality salt spray chambers designed for reliable corrosion testing in accordance with ISO 9227, distributed via John Godrich laboratory equipment line.
• Dycometal SSC Series Salt Spray Test Chambers Salt spray test chambers (SSC-140: 140L, SSC-400: 400L, SSC-1000: 1000L) designed for reliable ISO 9227 corrosion testing, distributed via John Godrich laboratory equipment line.
• QNix Coating Thickness Gauges Range of coating thickness gauges (QNix 4200, 4500, 4600, 5500, 9500, Handy) for measuring dry film thickness on ferrous and non-ferrous substrates, distributed via John Godrich laboratory equipment line.

Quantifiable outcome

• ISO/IEC 17025 accredited calibration provides confidence that measurements are accurate, traceable and supported by a competent laboratory.

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Twelve partnerships are on record, tiered core and minor.

• John GodrichcoreChannel Partner/ Reseller/ DistributorSJ Electronics serves as the UK and Ireland distributor for John Godrich laboratory and test equipment. From their base in Kettering, they support industries including automotive, paint, food, pharmaceutical, and manufacturing, offering equipment such as lab ovens, mixers, production systems, and environmental test chambers. The partnership includes comprehensive after-sales support with experienced engineers providing servicing, calibration, and repairs nationwide.
• Fluke (including Fluke Calibration)coreTechnology or IntegrationAuthorized reseller and distributor of Fluke Corporation products including Fluke Calibration precision measurement instruments. Featured brand on the SJ Electronics platform with extensive product listings.
• Keysight TechnologiescoreTechnology or IntegrationAuthorized distributor of Keysight Technologies test and measurement equipment including signal generators, power supplies, and source measure units.
• Teledyne FLIRcoreTechnology or IntegrationAuthorized distributor of Teledyne FLIR thermal imaging cameras, acoustic imaging cameras, and test and measurement equipment. SJ Electronics offers exclusive promotions such as the FLIR A40 Science Kit.
• GW InstekcoreTechnology or IntegrationAuthorized distributor of GW Instek test and measurement equipment including oscilloscopes, power supplies, and signal generators.
• YokogawacoreTechnology or IntegrationAuthorized distributor of Yokogawa test and measurement equipment including power calibrators and precision measurement instruments.
• Pico TechnologycoreTechnology or IntegrationAuthorized distributor of Pico Technology products including PicoScope oscilloscopes and data acquisition equipment.
• MeggercoreTechnology or IntegrationAuthorized distributor of Megger electrical test equipment including insulation testers, installation testers, and earth ground testers.
• VELP ScientificacoreTechnology or IntegrationAuthorized distributor of VELP Scientifica laboratory equipment including environmental testing and analysis instruments.
• TektronixcoreTechnology or IntegrationAuthorized distributor of Tektronix test and measurement equipment including oscilloscopes and signal analysers.
• TestocoreTechnology or IntegrationAuthorized distributor of Testo products including thermal imaging cameras, IAQ instruments, and environmental measurement equipment.
• NuwpecminorOthersPartner/supplier relationship with Nuwpec, a manufacturer or supplier in the test and measurement equipment sector.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Emerging players

• Trescal: International calibration services group operating accredited labs across Europe, including the UK. Comparable to the calibration-services side of SJ Electronics' business, and a potential consolidator or competitor for ISO/IEC 17025 work.
• Transcat: US-listed provider of calibration services and distribution of test and measurement equipment, with growing UK and European footprint. Comparable because it combines ISO/IEC 17025 calibration with T&M distribution, mirroring SJ Electronics' services-plus-resale model.

Broad incumbents

• CPC Farnell: CPC's UK operation serves industrial, education, and maintenance customers with electronic and test equipment, overlapping significantly with SJ Electronics' installation testers and educational segment.
• Farnell / element14: Premier Farnell operates Farnell and element14 as multi-brand distributors of test and measurement, semiconductors, and industrial components in the UK and Europe. Directly comparable on T&M product lines but with a much broader catalogue and global logistics footprint.
• Mouser Electronics: Global authorised distributor with a strong UK presence selling semiconductors, electronic components, and test and measurement equipment from Fluke, Keysight, Tektronix and others. Competes for the same OEM-authorized customers as SJ Electronics.
• RS Components: UK-headquartered broad-line distributor of electronic, electrical, and industrial components including test and measurement equipment from Fluke, Keysight, and Tektronix. Overlaps directly with SJ Electronics on the T&M catalogue but at far greater scale and breadth across other components.
• Distrelec / Newark: European-headquartered multi-brand distributor of electronic and industrial products including test and measurement. Competes with SJ Electronics across UK and Ireland accounts but operates at pan-European scale.
• Digi-Key Electronics: Global broad-line distributor of electronic components and test and measurement instruments with UK fulfilment. Provides direct price and availability competition for SJ Electronics on most catalogued SKUs.

Regional players

• Calibration Experts (formerly CalExCal): UK-based ISO/IEC 17025 accredited calibration laboratory servicing industrial test and measurement equipment across the UK. Direct comparable on calibration services scope and UK customer base.

Direct peers

• Rapid Electronics: UK-based specialist distributor of electronic components and test and measurement equipment serving industrial, educational, and R&D customers. Closest direct peer in geography, customer base, and mid-sized specialist positioning versus SJ Electronics.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks4 records

Key highlights6 records

Customer concentration

• Xx.com/SJElectronics

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 SJ Electronics