Stig Wahlström

Name

Stig Wahlström

Legal name

Stig Wahlström Oy

Website

https://swoy.fi

Company type

Private

Founded year

1970

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Industrial Measurement and Control Technology Distribution

NAICS

Industrial Machinery Manufacturing (33324), Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (33451), Analytical Laboratory Instrument Manufacturing (334516)

SIC

General Industrial Machinery & Equipment (3560), Laboratory Analytical Instruments (3826)

akta.pro primary industry

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

Keywords

• Industrial measurement equipment
• Process control technology
• Explosion protection equipment
• ATEX IECEx certified devices
• Industrial sensors and valves

Headquarters

HQ city

Vantaa

HQ country

Finland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Supply Chain, Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Product Sales: Revenue generated from the sale of industrial measurement and control equipment including dataloggers, alarm devices, sensors, valves, actuators, and explosion protection equipment. The company operates as a distributor/agent for international manufacturers and offers their products to Finnish industrial customers.
2. Technical Services: Additional revenue streams from services including lifecycle service models, special coatings, maintenance and commissioning, training and consulting, piping systems, and combined assembly services.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Stig Wahlström Oy is a technical wholesale distributor of industrial measurement and control technology equipment for B2B customers in Finland. The company imports and represents leading international manufacturers, supplying dataloggers, industrial alarm devices, ATEX/IECEx-certified explosion-proof equipment, sensors, industrial valves, actuators, and portable measurement instruments. The company also offers complementary services including maintenance, commissioning, training, and consulting on explosion protection standards.

Product overview

Stig Wahlström Oy (SWOY) operates as a technical wholesale company specializing in measurement and control technology solutions. The company offers a comprehensive portfolio of physical measurement instruments and industrial automation hardware rather than software platforms. The core product categories include: (1) Dataloggerit - Tinytag (Gemini) and Grant brand data loggers for temperature, humidity, CO2, and environmental parameters; (2) Hälytyslaitteet - Alarm and signaling devices for sound, light, and combination alerts; (3) Kannettavat mittalaitteet - Portable measurement equipment for field automation; (4) Räjähdysvaaralliset tilat - ATEX/IECEx explosion-proof equipment including lighting (Vyrtych), automation connections, cameras, heaters, and control devices; (5) Sähkömekaaniset komponentit - Electromechanical components including displays, switches, sensors; (6) Toimilaitteet - Rotork actuators and accessories; (7) Venttiilit - Industrial valves from principals like Bray, Belven, müller co-ax; (8) Prosessimittaukset - Process measurement including Hawk Centurion guided wave radar, Gems flow meters, Sonotec acoustic cameras; (9) Instrumentointi - Directional valves and instrumentation components. The company also provides services including lifecycle management, maintenance, training, and consulting on explosion protection standards. SWOY imports and represents leading international manufacturers as authorized distributor.

Differentiator

Problem solved

Functional benefit

Products and services

• Tinytag Dataloggers (Dataloggerit) Gemini Tinytag 1- and 2-channel dataloggers and Grant 4-32 channel loggers (voltage, current, resistance, temperature) for industrial, research, and quality assurance applications; also includes WiFi models. For Finnish industrial customers requiring environmental and process parameter monitoring.
• Industrial Alarm Devices (Hälytyslaitteet) Wide range of sound, light, and combination alarm/signaling devices for building, construction, industrial, and ATEX hazardous-area applications. For industrial and infrastructure customers in Finland.
• Portable Measurement Instruments (Kannettavat mittalaitteet) Portable automation field devices covering solids and turbidity measurement, ultrasonic flow measurement for gases, sludges and masses, partially filled pipe/channel flow, compressed air leak detection, plus HVAC air flow, humidity, temperature, and pressure meters. For industrial and HVAC service customers.
• Moisture/Humidity Measurement Devices (Kosteus) Portable and fixed humidity and moisture measurement sensors for industrial process and environmental applications. For industrial customers in Finland.
• Temperature Measurement Equipment (Lämpötila) Industrial temperature measurement sensors, transmitters, and instruments for process and environmental monitoring. For Finnish industrial customers.
• Pressure Measurement Devices (Paine) Industrial pressure measurement devices and sensors for process applications. For industrial customers.
• Level Measurement Devices (Pinta) Level measurement devices including level switches (admittance, capacitive, microwave, rotation, electro-optical, float, ultrasonic, vibration, single-point), surface sensors, alarms, and leak detection systems. For industrial and water-treatment customers.
• Concentration/Gas Measurement Devices (Pitoisuus) Concentration measurement devices for CO, CO2 (with T/RH/VOC combinations), NH3, radon, smoke, and VOC gases. For industrial, HVAC, and indoor air quality customers.
• Process Measurement Equipment (Prosessimittaukset) Comprehensive process measurement equipment including analyzers, conductivity, solids moisture, suspended solids, chlorine content, condition monitoring, sludge level, samplers, pH, surface/concentration, RDOX, turbidity, and flow measurement. For water treatment and industrial process customers.
• Explosion-Proof Equipment for Hazardous Areas (ATEX/IECEx) ATEX, IECEx, GOST-R, and NEC-certified electrical and electronic equipment for explosive atmospheres: automation connections, alarm devices, cable glands, camera systems, heaters, fans, control enclosures, sockets, power supply, and explosion-proof lighting. For oil, gas, chemical, and other hazardous-area operators.
• Electromechanical Components (Sähkömekaaniset komponentit) Vehicle displays, analog controllers, sensors, CAN keyboards, switches, control handles, buttons, small motors, transmitters, power controllers, and detectors; customer-specific models with various cables and connectors also supplied. For equipment manufacturers and industrial customers.
• Electrical Measurement Equipment (Sähkösuureet) Multimeters, current clamps, special resistance meters, grounding resistance meters, installation testers, and power and network disturbance analyzers for basic and advanced electrical measurement and network analysis. For electrical contractors and industrial maintenance customers.
• Industrial Fans and Blowers (Teollisuuspuhaltimet) Electror industrial fans, tubular fans, and side channel blowers for industrial ventilation, air technology, and hazardous-area heating/ventilation applications. For industrial and hazardous-area customers.
• Industrial Actuators (Toimilaitteet) Rotork actuators (including safety actuators CVA and Skilmatic) and accessories, plus Bray, WM-Regler, Centork, K-Tork, Schischek, and Remote Control actuators, controllable via various bus solutions. For industrial valve and process automation customers.
• Fire Protection Products (Tulisuojaus) Fire protection products from Bilco, Darchem, K-Mass, and ER-System used to create safe operating environments and prevent equipment damage. For industrial and commercial facility operators.
• Industrial Valves (Venttiilit) Comprehensive industrial valve selection (control valves, pressure reducing valves, rubber tube valves, gate valves, special and instrumentation valves) in various body and seal materials, with threaded, welding, and flange connections, from principals including Bray, Belven, Inoxpa, Jamesbury, and müller co-ax. For industrial process customers.
• Flow Measurement Devices (Virtaus) Flow measurement devices including ultrasonic flow meters, magnetic flow meters, and various flow sensors (e.g., Micronics, Flexim, Bamo, Gems). For water treatment, pulp & paper, and industrial process customers.
• Instrumentation Components (Instrumentointi) Directional valves, maintenance devices, solenoid valves, cylinders, and connectors, plus other instrumentation components. For industrial and process automation customers.
• Lifecycle Service Model (Elinkaaripalvelumalli) Lifecycle service model providing comprehensive support throughout the product lifecycle, including scheduled service and lifecycle management. For industrial customers.
• Maintenance and Commissioning (Huolto ja käyttöönotto) Maintenance and commissioning services for the supplied measurement and control equipment, including on-site setup. For industrial customers.
• Training and Consulting (Koulutus ja konsultointi) Training and consulting services including consultation on explosion protection standards, regulations, and equipment protection options. For industrial and hazardous-area customers.
• Special Coatings (Erikoispinnoitteet) Special coatings service for industrial applications, applied to equipment and components. For industrial customers.
• Piping Systems and Sub-Assemblies (Putkistot ja niiden osakokonaisuudet) Supply and assembly of piping systems and sub-assemblies for industrial applications. For industrial process customers.
• Combined Assembly (Yhdistelmäkokoonpano) Combined assembly services delivering integrated measurement and control solutions combining multiple components and devices. For industrial customers.
• E+E EE872 Compact CO2 Transmitter Compact CO2 transmitter measuring concentrations up to 5% (50,000 ppm) with heated and replaceable sensor module, IP65 housing, PTFE filter, and active pressure and temperature compensation; analog voltage/current or RS485 Modbus RTU communication. For agriculture, livestock barns, incubators, and greenhouses.
• Vyrtych AQUA-70-Ex-LED Explosion-Proof Luminaire Dust- and waterproof LED luminaire (IP66/IP68) for illuminating explosive atmospheres, Zone 1, 21 certified; voltage 110-254V AC / 220-250V DC. For hazardous-area industrial customers.
• Micronics UF D5500 Pulp Mass Flow Meter Ultrasonic flow meter using the Doppler effect for pulp mass flow measurement. For pulp & paper and process industry customers.

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

21 partnerships are on record, tiered core and standard.

• Gemini/TinytagcoreTechnology or IntegrationRepresent English quality products - 1 and 2-channel Tinytag dataloggers for precise and reliable monitoring of temperature, humidity, power consumption, CO2 and other environmental parameters.
• Grant InstrumentscoreTechnology or Integration4-32 channel loggers for voltage and current messages, resistance and temperature recording for industrial, research and quality assurance applications. Also includes WIFI models.
• ElektrorcoreTechnology or IntegrationOne of the leading manufacturers of industrial fans and blowers, and side channel blowers. Decades of experience in industrial fan construction.
• RotorkcoreTechnology or IntegrationWorld's largest actuator manufacturer. Rotork actuators suitable for applications requiring reliability, safety, ease of use. Includes safety actuators like CVA and Skilmatic.
• R. STAHLcoreTechnology or IntegrationLeading supplier of explosion protection equipment for electrical and electronic devices in hazardous areas. Products include ATEX, IECEx, GOST-R certified devices.
• ExHeatcoreTechnology or IntegrationExplosion-proof heaters and fans for hazardous areas, including immersion heaters, circulation heaters, and flexible heaters meeting ATEX requirements.
• VyrtychcoreTechnology or IntegrationModern and dynamic lighting manufacturer with 34 years in the lighting market. Offers extensive production range including explosion-proof LED luminaires for hazardous areas (Zone 1, 2, 21, 22).
• Bray ControlsstandardTechnology or IntegrationValve manufacturer represented for industrial valve selection including control valves and specialty valves.
• BelvenstandardTechnology or IntegrationValve manufacturer in the company's comprehensive industrial valve selection.
• InoxpastandardTechnology or IntegrationValve manufacturer included in the industrial valve portfolio.
• E+EcoreTechnology or IntegrationAustrian sensor manufacturer providing devices for humidity, dew point, oil moisture, CO2, air velocity, flow, pressure and temperature measurement.
• In-SitucoreTechnology or IntegrationWater technology solutions including TurbiTech sensors for solids detection, pH8000 sensors, RDOX dissolved oxygen sensors, WaterTech FCL free chlorine sensors, Partech sludge measurement, and Chemscan analyzers.
• Hawk MeasurementcoreTechnology or IntegrationMeasurement technology including Centurion guided wave radar, ORCA SONAR sludge interface measurement, MiniWave point level transmitter, and Gladiator admittance switches.
• FleximstandardTechnology or IntegrationUltrasonic flow measurement technology including PIOX S ultrasonic analyzer for concentration measurement.
• MicronicscoreTechnology or IntegrationFlow measurement solutions including PF LV550 STINGRAY ultrasonic flow meter for open channel flow, and UF D5500 for pulp mass measurement using Doppler effect.
• MolletcoreTechnology or IntegrationLevel measurement equipment including MOLOSroto series rotary level switches (DF11, DF21, DF24, DF25, DF26, DF27) and MOLOSwave MWF27 cable radar for bulk solids level measurement.
• BamocoreTechnology or IntegrationFrench instrumentation manufacturer providing BAMOMATIC magnetic flow meters, Bamophar 107 transmitters, MUDLINE sludge level indicators, NIVOIL oil separator level control, and MAXIMAT leak detection systems.
• Gems SensorscoreTechnology or IntegrationLevel and pressure sensors including LS series float switches, CAP capacitive level switches, ELS electro-optical switches, XLS ultrasonic level switches, and pintabrush sensors.
• BarksdalestandardTechnology or IntegrationPressure and level switches including UNS series single-point level switches for general level measurement in tanks and containers.
• SenseairstandardTechnology or IntegrationCO2 sensors including aSense CO2/temperature transmitters and aSense-MIII gas alarms for parking halls and tunnels.
• Clifford & SnellstandardTechnology or IntegrationATEX-certified sounders and combined beacons (YO3IS, YO4IS, YO5IS, YL4IS, YL5IS) for hazardous areas.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Others

• R. Stahl: Global explosion protection equipment manufacturer and SWOY principal; comparable in hazardous-area electrical equipment category and a key ATEX-certified product partner.
• Rotork: Global actuator manufacturer and SWOY principal partner; as a principal, it is also a potential disintermediation threat if Rotork expands direct sales channels in Finland.

Broad incumbents

• Endress+Hauser: Global manufacturer of industrial process measurement instrumentation; SWOY distributes some competing products but Endress+Hauser represents the direct manufacturer threat to SWOY's measurement category.
• WAGO: German manufacturer of electrical interconnection and automation products, overlapping with SWOY's electromechanical components and ATEX/IECEx product range as a global competitor.
• Siemens: Global industrial automation incumbent offering process instrumentation, valves, and actuators that overlap with SWOY's portfolio but as part of a much broader automation platform.
• ABB: Global industrial automation and measurement incumbent whose instrumentation, valves, and actuators portfolio competes directly with SWOY's principal line card, including ATEX/IECEx-certified products.

Direct peers

• Beijer Tech: Swedish technical trading group distributing industrial components and process equipment across the Nordics, with overlapping customer base and similar one-stop-shop distribution model.
• OEM Automatic: Swedish-founded industrial components distributor active in Finland with a similar product breadth in sensors, motors, and control components. Closest direct comparable in business model and Nordic footprint.

Regional players

• Vaisala: Finnish-headquartered manufacturer of environmental and industrial measurement instruments (humidity, CO2, dewpoint) whose products are adjacent to SWOY's E+E and humidity portfolio and represent both a potential principal partner and competitor.
• Sensor Control: Finnish sensor and measurement technology distributor with comparable product categories and direct overlap with SWOY's measurement, level, and process instrumentation portfolio.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInfi.linkedin.com/company/stig-wahlstr%C3%B6m-oy

Compliance1 record

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 Stig Wahlström