Onninen

What Onninen does

Onninen is a Finland-headquartered technical wholesale distributor serving professional customers across Northern Europe. Founded in 1913 and headquartered in Vantaa, the company operates as a wholly-owned subsidiary of Kesko Corporation (K Group) within its building and technical trade division. Onninen serves four primary customer segments: contractors, industrial companies, infrastructure builders, and technical retail dealers, with approximately 70% of retail sales generated through B2B trade. The company is described as the market leader in technical wholesale in Finland.

Onninen's product offering spans four core technical categories: HEPAC (heating, plumbing, and air conditioning), electrical, refrigeration, and energy products, with energy offerings explicitly positioned around the green transition and energy-efficient building. Distribution is executed through approximately 140 Onninen Express stores and points of sale across seven countries — Finland, Sweden, Norway, Estonia, Latvia, Lithuania, and Poland — supplemented by electronic/digital channels and integrated logistics services. Procurement is anchored by a dedicated Far East sourcing office, Kesko-Onninen International Trading (Shanghai), established in 2008, which manages 300+ suppliers across eight countries under ISO 9001 and ISO 14001 certifications.

Revenue is generated primarily through B2B wholesale product sales on a quote-based, transaction-fee model with pricing not publicly disclosed. The wider K Group building and technical trade division generated €4,686 million in 2025 net sales and employs approximately 10,000 trading sector professionals, though Onninen-specific revenue and headcount are not separately broken out. The company's most significant recent strategic move was the January 2023 acquisition of Elektroskandia Norge from Rexel Group, which expanded its Norwegian footprint and green-transition capabilities. There is no public disclosure of proprietary technology, AI/ML capabilities, APIs, or digital product launches beyond the standard multichannel ordering experience.

Name

Onninen

Legal name

Onninen Oy

Website

https://onninen.com

Company type

Private

Founded year

2008

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Onninen is a Finnish technical wholesale distributor serving contractors, industrial companies, infrastructure builders, and retail dealers across Finland, Sweden, Norway, the Baltics, and Poland via ~140 Onninen Express stores and electronic channels. It is the market leader in technical wholesale in Finland and a subsidiary of Kesko's building and technical trade division.

Ownership category

akta.pro rank

Product category

Technical Wholesale Distribution

NAICS

Refrigeration Equipment and Supplies Merchant Wholesalers (423740)

SIC

Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070)

akta.pro primary industry

HVAC, Water Heaters & Indoor Air Quality Distribution (CRAOAFAJ)

Keywords

• Technical wholesale distribution
• HEPAC products supply
• Electrical wholesale supply
• Building materials distribution
• Industrial product wholesale

Headquarters

HQ city

Vantaa

HQ country

Finland

HQ region

Europe

Offices8 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Technical Wholesale Product Sales: Onninen generates revenue through the wholesale distribution of HEPAC (Heating, Plumbing, Air Conditioning), electrical, refrigeration, and energy products to professional customers including contractors, industry, infrastructure builders, and retail dealers.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels2 records

Core offering

Onninen is a technical wholesale distributor serving professional business customers with a comprehensive selection of HEPAC (Heating, Plumbing, and Air Conditioning), electrical, refrigeration, and energy products. The company distributes these goods to contractors, industrial customers, infrastructure builders, and retail dealers through approximately 140 Onninen Express stores and points of sale across seven Northern European countries, combined with electronic channels and integrated logistics services. The offering is backed by a Far East sourcing office in Shanghai that manages over 300 suppliers across 8 countries under ISO 9001 and ISO 14001 certified quality and environmental management systems.

Product overview

Onninen is a technical wholesale business serving contractors, industry, infrastructure building and retail dealers across Northern Europe. The company offers a comprehensive selection of HEPAC (Heating, Plumbing and Air Conditioning), electrical, refrigeration, and energy products through approximately 140 Onninen Express stores and points of sale in Finland, Sweden, Norway, Estonia, Latvia, Lithuania, and Poland, as well as electronic channels and logistics integration services. Onninen is part of K Group's international building and technical trade division, which operates in seven countries with net sales of €4,686 million in 2025. The company also maintains Far East sourcing operations through Kesko-Onninen International Trading in Shanghai, managing over 300 suppliers across 8 countries for electrical, decoration, HEPAC, and tools/building materials categories.

Differentiator

Problem solved

Functional benefit

Products and services

• HEPAC Products Heating, Plumbing, and Air Conditioning products including plumbing fixtures, plastics, environmental pumps, industrial products, ventilation, heating, air conditioning, and refrigeration, sold to technical wholesale customers such as contractors, industrial firms, infrastructure builders, and retail dealers.
• Electrical Products Electrical installation products, cables and wires, decorative lighting, work lighting, and commercial lighting sold to contractors, industrial buyers, infrastructure builders, and retail dealers across Northern Europe.
• Refrigeration Products Refrigeration products for commercial and industrial applications sold to technical wholesale professionals serving construction, industrial, and infrastructure projects.
• Energy Products Energy products supporting the green transition and energy-efficient building solutions, sold to contractors, industrial buyers, infrastructure builders, and retail dealers.
• Tools and Building Materials Tools and machinery, fasteners, work safety equipment, building materials, and sauna products sourced through Far East suppliers and sold to technical professionals and retail dealers across Northern Europe.
• Decoration and Garden Products Interior decoration, furnishing and bathroom products, yard furniture and leisure items, and garden products sourced from Far East suppliers and distributed to professional builders and retail dealers.
• Logistics Integration Services Efficient, integrated logistics services that support Onninen's multichannel shopping experience for technical wholesale professionals, including direct distribution to project sites and dealer locations across Northern Europe.

Quantifiable outcome

• Market leader position in Finland's technical wholesale market
• +2 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

One partnership is on record.

• Rexel GroupcoreStrategic or Co-development Partner · 30 January 2023Kesko's subsidiary Onninen acquired Elektroskandia Norge, a subsidiary of Rexel Group, in Norway. This acquisition aims to strengthen Onninen's position in technical trade and support its growth strategy in Northern Europe, especially in advancing the green transition. The transaction represents a strategic acquisition that expanded Onninen's presence in the Norwegian market.

Scale indicators8 records

Recent moves4 records

Expansion highlights4 records

Direct peers

• Ahlsell: Leading Nordic technical wholesale distributor serving contractors, industry, and public sector with HEPAC, electrical, and tools products across Sweden, Norway, Finland, Denmark, and the Baltics. Closest direct competitor to Onninen in product range, customer base, and Northern European geography.
• Solar A/S: Danish-headquartered technical wholesale group serving electrical, heating, plumbing, and ventilation markets across Northern Europe. Directly comparable to Onninen in product portfolio, B2B customer focus, and Nordic geographic footprint.
• Beijer Ref: European wholesale distributor of refrigeration and HVAC products for commercial and industrial customers. Overlaps directly with Onninen's refrigeration product line in HVAC and cooling distribution.

Broad incumbents

• Rexel Group: Global leader in professional electrical, lighting, security, and energy distribution with operations across Europe and beyond. Former owner of Elektroskandia Norge, which was acquired by Onninen in 2023. Competes with Onninen in Norwegian and broader Nordic technical wholesale.
• Sonepar: World's largest B-to-B electrical distributor operating in 40+ countries with a focus on industrial, commercial, and residential markets. Competes with Onninen across electrical, lighting, and energy categories throughout Europe.
• Würth Group: Global market leader in fasteners, tools, and technical supplies for trade and industry, with broad European presence. Competes with Onninen in tools, fasteners, and consumables categories across European markets.
• Saint-Gobain Distribution: European building materials and technical solutions distributor serving construction professionals across multiple European countries. Comparable in serving contractor and builder customer base with technical products.

Regional players

• Travis Perkins: UK's largest builders' merchant and home improvement distributor serving trade professionals across Britain. Similar B2B trade-customer business model and product breadth as Onninen, though primarily serving the UK market rather than Northern Europe.

Emerging players

• Edilians (Ediltec/BMI Group): European roofing and building envelope solutions provider with growing presence in technical distribution channels. Adjacent overlap with Onninen's building materials and HEPAC categories, particularly in renovation and energy efficiency.

Others

• Selcanski Centar / K-Senukai competitor: Regional Baltic and Eastern European technical trade players serve overlapping contractor and consumer markets with tools, HEPAC, and electrical products. Indirect peer to Onninen in Lithuania, Latvia, and Estonia where both brands compete.

Market position

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/onninen

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Onninen