R&S Group
R&S Group is a Swiss-listed (SIX: RSGN) manufacturer of electrical power infrastructure, producing power, distribution, and cast resin transformers plus switchgear and industrial connectors. It serves utilities, renewable energy developers, industrial operators, and infrastructure projects across 75 countries through four legacy brands.
- Company typePublic
- Founded1919
- HeadquartersSissach, Switzerland
- Headcount1,001–5,000
- GTM typeB2B
- OfferingHardware or Manufacturing
What R&S Group does
R&S Group (R&S International Holding AG, listed on SIX Swiss Exchange under RSGN since December 13, 2023) is a Switzerland-headquartered manufacturer of electrical power infrastructure products serving utilities, renewable energy developers, industrial customers, and infrastructure operators across 75 export countries. The group's portfolio spans power transformers (up to 160 MVA), oil-immersed distribution transformers (up to 10 MVA), dry-type cast resin transformers (up to 20 MVA), instrument transformers, overhead line and railway electrification switches, IP67 sea-water resistant high-current connectors, switchboards, and distribution boards. Operations are organized around four legacy brands — Rauscher & Stoecklin (Switzerland, founded 1919), ZREW (Poland, acquired 2015), Tesar (Italy, acquired 2016), and Kyte Powertech (Ireland, acquired August 2024 for approximately €250 million) — with manufacturing facilities in Switzerland, Poland, Ireland, Italy, and the UAE.
The company monetizes primarily through one-time equipment sales via direct enterprise field sales to utilities, EPC contractors, and infrastructure operators, complemented by after-sales service and technical support contracts. Pricing is custom quotation-based for project-engineered equipment, with multi-year supply agreements in place with utilities such as Stadtwerk Winterthur (5-year) and SAK (3-year). Distribution relies on direct sales through branded subsidiaries plus 120 trading partners globally. In December 2025, R&S Group divested its non-core switches and connectors business (26 employees) to Pfiffner Group to refocus on transformer-centric power products. Group headcount stands at approximately 1,100 employees worldwide, with combined production capacity exceeding 16,000 distribution transformers annually at Kyte's Cavan facility alone. Reference projects include Dogger Bank Wind Farm (world's largest offshore wind farm), Brenner Base Tunnel, FIFA World Cup 2022 Qatar stadiums, Louvre Abu Dhabi, and Muscat International Airport.
R&S Group firmographics
Firmographics- Name
- R&S Group
- Legal name
- R&S International Holding AG
- Website
- https://the-rsgroup.com
- Company type
- Public
- Founded year
- 1919
- Operating status
- Operating
- Headcount range
- 1,001–5,000 employees
- Short description
- R&S Group is a Swiss-listed (SIX: RSGN) manufacturer of electrical power infrastructure, producing power, distribution, and cast resin transformers plus switchgear and industrial connectors. It serves utilities, renewable energy developers, industrial operators, and infrastructure projects across 75 countries through four legacy brands.
- Ownership category
- akta.pro rank
R&S Group industry classification
Industry- Product category
- Electrical Power Equipment
- NAICS
- Power, Distribution, and Specialty Transformer Manufacturing (335311), Electrical Equipment Manufacturing (33531)
- SIC
- Power, Distribution & Specialty Transformers (3612), Electronic Coils, Transformers & Other Inductors (3677), Electronic & Other Electrical Equipment (No Computer Equip) (3600)
- akta.pro primary industry
- Transformers (Power, Distribution, Instrument, Specialty) (IMAGAAAA)
- akta.pro secondary industry
- Low-Voltage Switchboards & Panelboards (LV distribution panels, MCCs, switchboards) (IMAGAEAA)
Keywords
Where R&S Group is headquartered
LocationHeadquarters
- HQ city
- Sissach
- HQ country
- Switzerland
- HQ region
- Europe
Offices7 records
Markets served
R&S Group business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Operations, Supply Chain, Infrastructure, Technology or R&D, Marketing or Sales
Revenue model
- Transformer Sales: Sale of electrical transformers including distribution transformers, power transformers, dry-type cast resin transformers, and instrument transformers to utilities, industrial customers, and infrastructure operators. This is the primary revenue stream.
- Switchgear and Connector Sales: Sale of switches for overhead lines and railway electrification, industrial electrical connectors, electric switchboards, and distribution boards.
- Service and Support: After-sales service, technical support, and maintenance services for installed equipment.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom quotation-based pricing for transformers and electrical infrastructure products |
Go-to-market motion2 records
Distribution channels1 record
Marketing channels5 records
R&S Group product offering
Product offeringCore offering
R&S Group designs, manufactures, and sells transformers and electrical infrastructure products — including power transformers (up to 160 MVA), distribution transformers (up to 10 MVA), dry-type/cast resin transformers (up to 20 MVA), instrument transformers, overhead line and railway electrification switches, industrial electrical connectors, electric switchboards, and distribution boards — for utilities, renewable energy developers, industrial customers, and infrastructure operators. Operations span manufacturing facilities in Switzerland, Poland, Ireland, Italy, and the UAE, with products sold across 75 export countries through four branded subsidiaries: Rauscher & Stoecklin, ZREW, Kyte Powertech, and Tesar.
Product overview
R&S Group is a leading provider of electrical infrastructure products with a comprehensive portfolio organized around four acquired brands: Rauscher & Stoecklin (Swiss power conversion and distribution), ZREW (Polish power transformers up to 160 MVA), Kyte Powertech (Irish distribution transformers), and TESAR (Italian cast resin transformers up to 20 MVA). The core product lines include power transformers, distribution transformers (oil-type up to 10 MVA), dry-type/cast resin transformers (up to 20 MVA), instrument transformers, switches (overhead line and railway electrification), industrial electrical connectors (250-400 A for harsh environments), switchboards, and distribution boards. The company serves utilities, industry, and infrastructure sectors including power distribution, renewables, and transportation. Manufacturing facilities are located in Switzerland, Poland, Ireland, Italy, and UAE, with global distribution across 75 export countries.
Differentiator
Problem solved
Functional benefit
Products and services
- Power Transformers
Quantifiable outcome
- Over 100,000 cast resin transformers installed globally
- +3 more outcomes
Companies that use R&S Group
Customer profileNamed customers15 records
Segments5 records
Ideal customer profiles5 records
R&S Group technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature7 records
R&S Group partnerships and signals
Strategic signalPartnerships
Twelve partnerships are on record, tiered core and minor.
- Activ8 EnergiescoreProject developer for Liverpool John Lennon Airport 3 MW solar and BESS system. Implemented project in partnership with SSE Airtricity with investment of approximately £3 million.
- Eurolaite OycoreFinnish partner cooperating with ZREW for transformer delivery to Finland. Eurolaite Oy, founded in 1988, is an importer and wholesaler of specialty products for electrical engineering serving electricity stations and distribution networks.
- ENERGEL Estonia OÜcoreSubsidiary of Finnish company ENERGEL OY organizing sales activities in the Baltics. ENERGEL represents different manufacturers for medium and high voltage equipment, low voltage products, and electronic components.
- Mitsubishi Hitachi Power Systems Europe GmbHcoreMain contractor for the most modern gas and steam block in Poland at Żerań Heat and Power Plant. ZREW supplies power transformers as part of this major energy project.
- CJR PolskacoreWind farm EPC provider for Korytnica II onshore wind project (50.5 MW) in Poland. Awarded substation construction to P&Q with ZREW supplying power transformer.
- P&QminorPolish electrical subcontractor responsible for substation construction for Korytnica II wind farm. Partner in ZREW transformer delivery to Iberdrola project.
- SSE AirtricitycoreEnergy partner with Activ8 Energies for Liverpool John Lennon Airport renewable energy project. Part of SSE Group, a leading energy company.
- AxpocoreSwitzerland's largest producer of renewable energy and international leader in energy trading. Partnered with IWB for Muttsee dam solar plant installation featuring Rauscher & Stoecklin transformers.
- Industrielle Werke Basel IWBcoreEnergy, water, mobility and telecommunications company supplying customers in canton of Basel-Stadt, Switzerland. Leading service provider for renewable energy and energy efficiency. Partner for Muttsee dam solar project.
- BKW Power GridcoreOperator of Switzerland's largest distribution grid. Partnered with Rauscher & Stoecklin for first transformer filled with Nynas Bio 300X bio-based insulating fluid for Gstaad region grid.
- Merus PowercoreBESS supplier including substation for Lempäälä battery energy storage project in Finland. ZREW delivered power transformer as part of this integrated energy storage solution.
- SiemenscoreTechnology partner for Stadium 974 at FIFA World Cup 2022 Qatar. Tesar and Siemens collaborated on IP00 cast resin transformers installed in containerized substations for the world's first 'throwaway' stadium.
Scale indicators10 records
Recent moves8 records
Expansion highlights6 records
R&S Group competitors and assessment
Company assessmentDirect peers
- ABB: Swiss-Swedish global leader in electrification and power equipment, with a substantial transformer business (power, distribution, dry-type, traction) serving the same utility, industrial, and infrastructure customers as R&S Group. Direct competitor on large multi-MVA tenders and renewable energy projects.
- Hitachi Energy: Swiss-headquartered (formerly ABB Power Grids) global leader in transformers, including large power transformers, dry-type, and traction transformers. Competes head-to-head with R&S in utility and rail electrification, with a much larger installed base and broader portfolio.
- Siemens Energy: German global player in power transformers, grid technology, and renewable integration. Major competitor in power and distribution transformers up to the highest ratings, with strong European utility relationships overlapping with R&S Group's customer base.
- Hammond Power Solutions: Canadian designer and manufacturer of dry-type transformers, cast resin transformers, and related magnetics. Comparable mid-sized specialist focused on distribution and dry-type transformers for industrial, renewable, and infrastructure customers across North America and Europe.
- SGB-SMIT: German-headquartered specialist transformer manufacturer (owned by EPG) producing large power transformers up to 800 MVA plus distribution transformers. Direct competitor to ZREW in power transformers and to the wider R&S portfolio in utility and industrial segments across Europe.
- ERMCO: US-headquartered manufacturer of distribution transformers and transformer components, serving electric utilities, OEMs, and industrial customers. Comparable focus on distribution transformer volume and competes with Kyte Powertech and other R&S distribution brands.
Broad incumbents
- Schneider Electric: French multinational offering a broad electrical equipment portfolio including transformers, switchgear, and distribution boards. While not a pure-play transformer specialist, Schneider competes with R&S on industrial and infrastructure electrical infrastructure projects.
- GE Vernova: American-headquartered power business of General Electric covering generation, grid, and wind. Competes in large power transformers, grid solutions, and renewable integration alongside R&S in European utility and offshore wind projects.
- Eaton: American power management company with a significant transformer business serving industrial, utility, and data center customers. Overlaps with R&S on distribution transformers, switchgear, and electrical infrastructure, particularly in industrial and commercial applications.
Regional players
- Elsewedy Electric: Egypt-based electrical equipment manufacturer with significant power transformer and cable businesses across the Middle East and Africa. Comparable transformer portfolio and similar vertical market focus; primarily regional rather than directly competitive in R&S's core European markets.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
R&S Group social profiles
Digital presenceR&S Group compliance and trust
Trust signalCompliance9 records
R&S Group financial estimates
Financial estimateRevenue estimate
Valuation estimate
R&S Group leadership team
Management profileNumber of profiles
Profiles8 records
R&S Group subsidiaries and ownership
Company hierarchySubsidiaries4 records
R&S Group funding detail
Funding detailFunding overview
Funding rounds1 record
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
R&S Group M&A and investment
M&A and investmentM&A3 records
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about R&S Group
What does R&S Group do?
R&S Group designs, manufactures, and sells transformers and electrical infrastructure products — including power transformers (up to 160 MVA), distribution transformers (up to 10 MVA), dry-type/cast resin transformers (up to 20 MVA), instrument transformers, overhead line and railway electrification switches, industrial electrical connectors, electric switchboards, and distribution boards — for utilities, renewable energy developers, industrial customers, and infrastructure operators. Operations span manufacturing facilities in Switzerland, Poland, Ireland, Italy, and the UAE, with products sold across 75 export countries through four branded subsidiaries: Rauscher & Stoecklin, ZREW, Kyte Powertech, and Tesar.
Is R&S Group a public or private company?
R&S Group is a public company. It is classified as public and is currently operating.
When was R&S Group founded?
R&S Group was founded in 1919. It employs 1,001 to 5,000 people.
Where is R&S Group based?
R&S Group is headquartered in Sissach, Switzerland, in the Europe region.
How does R&S Group make money?
Three revenue lines are on record. Transformer Sales are the primary driver. The others are switchgear and Connector Sales and service and Support.
Who are R&S Group's main competitors?
Direct peers on record are ABB, Hitachi Energy, Siemens Energy, Hammond Power Solutions, SGB-SMIT and ERMCO. Broad incumbents are Schneider Electric, GE Vernova and Eaton. Elsewedy Electric is listed as a regional player.
Does R&S Group have an API?
No public API is recorded for R&S Group.
What industry is R&S Group in?
R&S Group's product category is Electrical Power Equipment. Its primary akta.pro industry code is IMAGAAAA, Transformers (Power, Distribution, Instrument, Specialty), with a secondary code of IMAGAEAA, Low-Voltage Switchboards & Panelboards (LV distribution panels, MCCs, switchboards). Its NAICS code is 335311 and its SIC code is 3612.