![Per Wiking Sjöstrand](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Per Wiking Sjöstrand
Founder at
INSTALCO AB
Net worth: 104 M $ as of 2026-05-30
Profile
Per Wiking Sjöstrand founded Instalco AB in 2014, where he is working as President, Chief Executive Officer & Director from 2025.
Mr. Sjöstrand also currently works at Instalco Sverige AB, as Chairman & Chief Executive Officer, Knowit AB, as Chairman, IES Skolfastigheter AB, as Chairman, and various other companies.
Mr. Sjöstrand also formerly worked at Närkes Elektriska AB, as President & Chief Executive Officer from 2009 to 2012, Peab Sverige AB, as Chief Executive Officer, Midroc Electro AB, as Chief Executive Officer, and various other companies.
Mr. Sjöstrand received his graduate degree from Chalmers University of Technology.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
INSTALCO AB 8.56% | 2025-12-30 | 22,999,835 ( 8.56% ) | 96 M $ | 2026-05-30 |
| 2026-05-26 | 1,226,025 ( 2.7% ) | 6 M $ | 2026-05-30 | |
| 2025-12-29 | 200,576 ( 0.35% ) | 708 178 $ | 2026-05-30 | |
ELTEL AB 0.11% | 2025-12-30 | 171,721 ( 0.11% ) | 220 388 $ | 2026-05-30 |
Per Wiking Sjöstrand active positions
| Companies | Position | Start |
|---|---|---|
| INSTALCO AB | Founder | 2013-12-31 |
| INTA ENG | Chairman | 2022-12-31 |
| BYGGPARTNER GRUPPEN AB | Chairman | 2023-12-31 |
| ELTEL AB | Chairman | 2024-05-13 |
| KNOWIT AB | Chairman | - |
Rörläggare AB
 Rörläggare AB Rörläggare AB, founded in 1944 and based in Malmö with additional offices in Kristianstad, is a plumbing company serving the Öresund region, primarily Skåne. The company is located in Sweden. The Swedish company specializes in comprehensive plumbing services within the construction industry, focusing on total contracting projects and close collaboration with customers. Its service portfolio includes contracting, service and maintenance, industrial piping for sectors such as pharmaceuticals, chemicals, and packaging, construction design, balancing, commissioning, prefab workshop solutions, and advanced techniques like orbital welding. The in-house design department uses modern 3D environments to coordinate with production and clients, supplying tailored prefabricated solutions. Rörläggare integrates expertise across cost estimation, production, prefabrication, balancing, and after-sales service. The construction department is involved in collaborative projects, staff development, and continuous improvement. The company holds certifications and competencies in areas such as water safety, hot work, licensed welding, gas authorization, and medical gas handling. As part of Instalco, Rörläggare participates in sustainability programs focused on energy-efficient installations and safe work environments, and supports community projects for schools, hospitals, and eldercare. | Director/Board Member | - |
El-Expressen i Lund AB
 El-Expressen i Lund AB Engineering & ConstructionIndustrial Services Provides electrical installation services | Corporate Officer/Principal | - |
Ventilationsforbaettringar I Malmo AB
 Ventilationsforbaettringar I Malmo AB Engineering & ConstructionIndustrial Services Installs ventilation equipment | Corporate Officer/Principal | - |
Tofta Plåt & Ventilation AB
 Tofta Plåt & Ventilation AB Engineering & ConstructionIndustrial Services Offers ventilation installation solutions and services | Corporate Officer/Principal | - |
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Former positions of Per Wiking Sjöstrand
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Training of Per Wiking Sjöstrand
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
35
1st degree connections
73
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 73 |
|---|---|
Närkes Elektriska AB
 Närkes Elektriska AB Wholesale DistributorsDistribution Services Wholesales cables & electronic equipment | Distribution Services |
Knowit AB
 Knowit AB Miscellaneous Commercial ServicesCommercial Services Provides information technology consulting services | Commercial Services |
Chalmers University of Technology
 Chalmers University of Technology Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Green Landscaping Group AB
 Green Landscaping Group AB Miscellaneous Commercial ServicesCommercial Services Provides landscaping services | Commercial Services |
Åhlin & Ekeroth Byggnads AB
 Åhlin & Ekeroth Byggnads AB Engineering & ConstructionIndustrial Services Provides commercial and residential building construction services | Industrial Services |
ByggPartner Gruppen AB
 ByggPartner Gruppen AB Engineering & ConstructionIndustrial Services Engages in construction, building services, and property development | Industrial Services |
P o B:s Elektriska AB
 P o B:s Elektriska AB Engineering & ConstructionIndustrial Services Provides electrical installation services | Industrial Services |
JN Elinstallatörer AB | |
Internationella Engelska Skolan i Sverige Holdings II AB
 Internationella Engelska Skolan i Sverige Holdings II AB Miscellaneous Commercial ServicesCommercial Services Owns and operates schools for teaching English language | Commercial Services |
Rörläggare AB
Rörläggare AB Rörläggare AB, founded in 1944 and based in Malmö with additional offices in Kristianstad, is a plumbing company serving the Öresund region, primarily Skåne. The company is located in Sweden. The Swedish company specializes in comprehensive plumbing services within the construction industry, focusing on total contracting projects and close collaboration with customers. Its service portfolio includes contracting, service and maintenance, industrial piping for sectors such as pharmaceuticals, chemicals, and packaging, construction design, balancing, commissioning, prefab workshop solutions, and advanced techniques like orbital welding. The in-house design department uses modern 3D environments to coordinate with production and clients, supplying tailored prefabricated solutions. Rörläggare integrates expertise across cost estimation, production, prefabrication, balancing, and after-sales service. The construction department is involved in collaborative projects, staff development, and continuous improvement. The company holds certifications and competencies in areas such as water safety, hot work, licensed welding, gas authorization, and medical gas handling. As part of Instalco, Rörläggare participates in sustainability programs focused on energy-efficient installations and safe work environments, and supports community projects for schools, hospitals, and eldercare. | |
Rörgruppen AB
 Rörgruppen AB Engineering & ConstructionIndustrial Services Provides pipe installation services | Industrial Services |
Ohmegi Elektro AB
 Ohmegi Elektro AB Engineering & ConstructionIndustrial Services Provides electricity, telecommunications, technology, and security installation services | Industrial Services |
Peab Sverige AB
 Peab Sverige AB HomebuildingConsumer Durables Provides construction services | Consumer Durables |
Midroc Electro AB
 Midroc Electro AB Engineering & ConstructionIndustrial Services Provides electrical engineering services | Industrial Services |
Uppsala Asfaltsanläggningar AB
 Uppsala Asfaltsanläggningar AB Engineering & ConstructionIndustrial Services Provides road asphalting services | Industrial Services |
NEA Installation AB
 NEA Installation AB Engineering & ConstructionIndustrial Services Provides electrical installation services | Industrial Services |
Klimatrör I Stockholm AB
 Klimatrör I Stockholm AB Engineering & ConstructionIndustrial Services Provides heating, cooling and heat pump installation services | Industrial Services |
Trafikverket
 Trafikverket Other TransportationTransportation Handles construction, operation, and maintenance of state roads and railways | Transportation |
ORAB Entreprenad AB
 ORAB Entreprenad AB Engineering & ConstructionIndustrial Services Provides plumbing and mechanical assembly installation services and manufactures tubes, plates, and beams for construction purposes. | Industrial Services |
BI-VENT AB
 BI-VENT AB Engineering & ConstructionIndustrial Services Provides ventilation services | Industrial Services |
Instalco Holding AB
 Instalco Holding AB Engineering & ConstructionIndustrial Services Engages in construction, air conditioning, ventilation, plumbing, and installation industries | Industrial Services |
VVS-Metoder Stockholm AB
 VVS-Metoder Stockholm AB Engineering & ConstructionIndustrial Services Specializes in pipe installations | Industrial Services |
OTK Klimat Installationer AB
 OTK Klimat Installationer AB Engineering & ConstructionIndustrial Services Engages in construction, consulting, sales, and service activities in the electricity, air conditioning, ventilation, plumbing, and installation industries | Industrial Services |
Eltel AB
 Eltel AB Engineering & ConstructionIndustrial Services Provides technical services for the critical infrastructure networks | Industrial Services |
Tofta Plåt & Ventilation AB
Tofta Plåt & Ventilation AB Engineering & ConstructionIndustrial Services Offers ventilation installation solutions and services | Industrial Services |
Instalco Sverige AB
 Instalco Sverige AB Engineering & ConstructionIndustrial Services Operates as a holding company with interests in providing plumbing and electrical installation services | Industrial Services |
Expertkyl AB
 Expertkyl AB Industrial MachineryProducer Manufacturing Offers warming and cooling equipment | Producer Manufacturing |
LG Contracting AB
 LG Contracting AB Engineering & ConstructionIndustrial Services Provides pipe installation services | Industrial Services |
El-Expressen i Lund AB
El-Expressen i Lund AB Engineering & ConstructionIndustrial Services Provides electrical installation services | Industrial Services |
Tim Kyla AB
 Tim Kyla AB Engineering & ConstructionIndustrial Services Provides heating, plumbing, electrical installation, store design and project management services | Industrial Services |
DALAB Sverige AB
 DALAB Sverige AB Engineering & ConstructionIndustrial Services Offers plumbing installation, air treatment, and floor systems | Industrial Services |
English Summer School AB | |
Instalco AB
 Instalco AB Engineering & ConstructionIndustrial Services Provides plumbing, ventilation, cooling and electrical installation services | Industrial Services |
Kullastrand Koek & Interioer AB
 Kullastrand Koek & Interioer AB Wholesale DistributorsDistribution Services Wholesales wood and building materials | Distribution Services |
Markona Maskin AB
 Markona Maskin AB Engineering & ConstructionIndustrial Services Constructs roads, highways and bridges | Industrial Services |
Voltage AB
 Voltage AB Miscellaneous Commercial ServicesCommercial Services Provides business consulting services | Commercial Services |
Perros AB
 Perros AB Financial ConglomeratesFinance Functions as investment holding company | Finance |
Ohmslag AB
 Ohmslag AB Financial ConglomeratesFinance Functions as an investment holding company | Finance |
Västra Värmlands Rörinstallationer AB
 Västra Värmlands Rörinstallationer AB Engineering & ConstructionIndustrial Services Provides heating, ventilation and air conditioning plumbing contracting services | Industrial Services |
Slutplattan Ezpir 99171 AB
 Slutplattan Ezpir 99171 AB Financial ConglomeratesFinance Functions as an investment holding company | Finance |
Ehlslag AB
 Ehlslag AB Real Estate DevelopmentFinance Provides real estate services | Finance |
Elektra Bernt Blomqvist AB
 Elektra Bernt Blomqvist AB Engineering & ConstructionIndustrial Services Provides electrical installation services | Industrial Services |
Control System Styr- Och It-Lösningar I Skaraborg AB
 Control System Styr- Och It-Lösningar I Skaraborg AB Information Technology ServicesTechnology Services Provides IT consulting services | Technology Services |
Detective Elteknik Säkerhet I Skaraborg AB
 Detective Elteknik Säkerhet I Skaraborg AB Miscellaneous Commercial ServicesCommercial Services Provides detective and security services | Commercial Services |
Närkes Elektriska Verkstads AB
 Närkes Elektriska Verkstads AB Investment ManagersFinance Functions as a pension/retirement fund | Finance |
Sista Versen 21222 AB
 Sista Versen 21222 AB Engineering & ConstructionIndustrial Services Engages in installation of plumbing and heating equipment | Industrial Services |
Arkösunds Hotell AB
 Arkösunds Hotell AB Hotels/Resorts/Cruise linesConsumer Services Operates hotel | Consumer Services |
Elservice Samuelsson I Karlstad AB
 Elservice Samuelsson I Karlstad AB Engineering & ConstructionIndustrial Services Provides electrical installation services | Industrial Services |
Ragnar Karlsson Elektriska AB
 Ragnar Karlsson Elektriska AB Engineering & ConstructionIndustrial Services Provides electrical installation services | Industrial Services |
Eltjaenst I Falkenberg AB
 Eltjaenst I Falkenberg AB MiscellaneousMiscellaneous Operates as a non-classified establishment | Miscellaneous |
El-City I Luleå AB
 El-City I Luleå AB Engineering & ConstructionIndustrial Services Provides electrical contracting services | Industrial Services |
Elteam Vest AB
 Elteam Vest AB Engineering & ConstructionIndustrial Services Provides electrical installation services | Industrial Services |
Installatörsföretagen Service i Sverige AB
 Installatörsföretagen Service i Sverige AB Engineering & ConstructionIndustrial Services Provides plumbing, electrical engineering and installation services | Industrial Services |
Elkontakt i Borås AB
 Elkontakt i Borås AB Specialty TelecommunicationsCommunications Provides electrical, telecommunications and data installation services | Communications |
Elkontakt I Göteborg AB
 Elkontakt I Göteborg AB Specialty TelecommunicationsCommunications Provides electrical, telecommunications and data installation services | Communications |
Tunabygdens Vvs Installator AB
 Tunabygdens Vvs Installator AB Engineering & ConstructionIndustrial Services Provides plumbing and electrical installation services & renovates buildings & schools | Industrial Services |
Vallacom AB
 Vallacom AB Engineering & ConstructionIndustrial Services Provides electric and communication equipment installation services | Industrial Services |
Rodens Värme & Sanitet AB
 Rodens Värme & Sanitet AB Engineering & ConstructionIndustrial Services Provides plumbing installation services | Industrial Services |
Inkon Sverige AB
 Inkon Sverige AB HomebuildingConsumer Durables Constructs residential and non-residential buildings & infrastructure projects | Consumer Durables |
Ventilationsforbaettringar I Malmo AB
Ventilationsforbaettringar I Malmo AB Engineering & ConstructionIndustrial Services Installs ventilation equipment | Industrial Services |
Kanenas 16 AB
 Kanenas 16 AB Information Technology ServicesTechnology Services Provides computer consulting services | Technology Services |
Fasadgruppen Norden AB
 Fasadgruppen Norden AB Wholesale DistributorsDistribution Services Wholesales facades | Distribution Services |
Imec Kraftteknik AB | |
VentPartner Sverige AB
 VentPartner Sverige AB Engineering & ConstructionIndustrial Services Provides electrical, plumbing, ventilation and cooling installation services | Industrial Services |
Håndverksgruppen Norge AS
 Håndverksgruppen Norge AS Engineering & ConstructionIndustrial Services Provides masonry, painting, flooring and tiling services | Industrial Services |
Håndverksgruppen AS
 Håndverksgruppen AS Engineering & ConstructionIndustrial Services Provides painting, tiling, masonry and flooring services | Industrial Services |
Fasadgruppen Group AB
 Fasadgruppen Group AB Engineering & ConstructionIndustrial Services Provides roofing, masonry and plastering services | Industrial Services |
J. N. Kraftinstallatöre AB
 J. N. Kraftinstallatöre AB Engineering & ConstructionIndustrial Services Provides electrical plumbing and building installation services | Industrial Services |
Åhlin & Ekeroth AB | |
Elektro-Centralen Communication Hisings Backa AB
 Elektro-Centralen Communication Hisings Backa AB Engineering & ConstructionIndustrial Services Operates as an electrical installation company | Industrial Services |
Uniwater AB
 Uniwater AB Engineering & ConstructionIndustrial Services Provides water infrastructure and management services | Industrial Services |
Nordic Climate Group AB
 Nordic Climate Group AB Engineering & ConstructionIndustrial Services Provides cooling and heating equipment installation services | Industrial Services |
IES Skolfastigheter AB |
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