The companies in Västerås are primarily large organizations, with significant representation from public services and higher education. Noteworthy entities include Västerås stad, which provides extensive public services, and Mälardalen University, offering education and research. Other key companies are Prevas AB, specializing in technical solutions, and Mälarenergi AB, a provider of energy, water, and broadband.
The list also shows a strong presence of engineering and software development firms. Westermo Network Technologies manufactures industrial data communication products, while EDRMedeso offers advanced simulation software. Digital Dividend develops mobile apps and web solutions, indicating a blend of traditional public sector strength and modern technological expertise in the city's corporate landscape.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Västerås stadvasteras.se
Provides a wide range of public services and support to residents, ensuring the city functions smoothly and meets community needs. |
5,792 | |||
| 2 |
Mälardalen Universitymdu.se
A university offering courses in business, health, engineering, and education, conducting research in various fields including future energy and embedded systems |
1,273 | |||
| 3 |
Prevas ABprevas.com
This company specializes in solving problems using sophisticated technical solutions and a unique perspective, creating innovative solutions with the potential to save the world |
726 | |||
| 4 |
Mälarenergi ABmalarenergi.se
Providing essential energy, water, and broadband solutions to support a thriving society and sustainable community in collaboration with stakeholders |
610 | |||
| 5 |
Mälardalen Universitymdu.se
A Swedish university offering education and research opportunities in various fields, promoting collaboration with students, industry, and the community for a sustainable future |
564 | |||
| 6 |
Westermo Network Technologieswestermo.com
Manufacturer of industrial data communications products for mission-critical systems in rugged environments Used in social infrastructures and process industries |
345 | |||
| 7 |
ELE Engineering ABele.se
ELE Engineering is an innovative engineering company offering consulting services and comprehensive solutions to businesses and public entities, focusing on customer needs and delivering high value |
255 | |||
| 8 |
Bostads AB Mimermimer.nu
A leading housing company in Västerås, owned by the city, offering a diverse range of affordable homes and commercial spaces with a customer-focused approach |
182 | |||
| 9 |
The Steam Hotelsteamhotel.se
A historic power plant transformed into an 18-story hotel with 227 rooms, restaurants, bars, conference spaces, and a spa, offering a unique and inviting experience |
167 | |||
| 10 |
Länsstyrelsen Västmanlandlansstyrelsen.se
A government agency acting as a link between citizens, municipalities, and central authorities, with diverse expertise in various societal areas |
157 | |||
| 11 |
EDRMedesoedrmedeso.com
Provides advanced simulation software and expertise to replace physical prototyping, accelerating product design and improving performance and cost efficiency. |
148 | |||
| 12 |
Digital Dividenddigital-dividend.se
Digital Dividend helps businesses with customer satisfaction, loyalty, and revenue growth through mobile apps, web solutions, IoT, AR/VR, and software development services |
133 | |||
| 13 |
Digital Dividend Globaldigital-dividend.com
Provides comprehensive software engineering, mobile application development, e-commerce solutions, and IT consultancy services for startups and established enterprises across global markets through expert developers. |
113 | |||
| 14 |
First Class Gymfirstclassgym.com
Premium fitness provider offering high-quality training, world-class trainers, group classes, and top-notch gyms in multiple Swedish cities, emphasizing community and well-being |
56 | |||
| 15 |
ICA Maxi Erikslundica.se
A convenience store offering an easy shopping experience both online and in-store, with a focus on affordable prices, own-brand products, and online grocery shopping |
55 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
Hilton Foods Sverige ABhiltonfoods.com
A food production company located in Västerås, Sweden, specializing in the manufacturing of various food products |
52 | |||
| 17 | 51 | ||||
| 18 |
Västmanlandsmusikenvastmanlanlandsmusiken.se
This company based in Västerås provides music and contemporary dance through its divisions, collaborating with local, national, and international artists for over 750 performances annually |
38 | |||
| 19 |
Schysst käkschysstkak.se
The company offers convenient and delicious meal concepts for everyday enjoyment, focusing on easy and fast food experiences |
31 | |||
| 20 |
Fitness Brands Swedenfitnessbrands.com
A leading supplier of premium fitness equipment, offering innovative solutions for gyms, hotels, and businesses with a focus on quality and customer relationships |
26 | |||
| 21 |
Adsum Revisorer & Företagskonsulter ABadsum.se
The company provides auditing services in accordance with regulations, offers accounting and tax assistance, as well as advisory services for restructuring and new business ventures |
26 | |||
| 22 |
Smartshakesmartshake.com
Innovative company offering leak-proof, non-toxic protein shaker cups that have evolved to meet various active lifestyle needs Smartshake is versatile and stylish |
23 | |||
| 23 |
consentmanager.netconsentmanager.net
A European-based company offering a GDPR-compliant CMP with support for 30 languages, individual designs, reporting, A/B testing, design optimizer, and cookie-crawler for various clients |
22 | |||
| 24 |
Svenska Fribrevsbolaget Försäkringsvenskafribrevsbolaget.se
A Swedish insurance company specializes in pension funds consolidation and transfer, providing cost-effective solutions for individuals with multiple pension accounts |
22 | |||
| 25 |
VR-Clubvr-club.se
The company offers games and experiences using the latest VR technology for both corporate events and individuals to enjoy different worlds and experiences |
17 | |||
| 26 |
Ekobot - the evolution of agricultureekobot.se
The company develops, manufactures, and sells autonomous agricultural robots for precision cultivation with minimal use of herbicides, promoting sustainable agriculture |
15 | |||
| 27 |
Hairtalk Extensions Sverigehairtalk.se
Empowering women to feel beautiful in business and life through quality products, knowledge, education, and creating outstanding experiences and opportunities |
9 | |||
| 28 |
Atomia ABatomia.com
A young, fast-growing company based in Sweden and Serbia, offering automated billing and service delivery software for hosting providers and telcos worldwide |
8 | |||
| 29 |
APERAM STAINLESS SERVICES & SOLUTIONS NORDIC ABaperam.com
A global leader in stainless, electrical, and specialty steel production, prioritizing sustainability and embracing the circular economy through innovative processes |
7 | |||
| 30 |
PrimeComp ABprimecomp.se
Engineering consultancy specializing in energy, industry, and infrastructure projects for private and public sectors, emphasizing sustainable, innovative solutions and fostering employee growth |
5 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.
The same list elsewhere in Sweden
- The largest companies in Sweden 3,746
- The largest companies in Västra Götaland 574
- The largest companies in Scania 398
- The largest companies in Östergötland 90
- The largest companies in Jönköping County 79
- The largest companies in Uppsala County 68
- The largest companies in Halland 52
- The largest companies in Stockholm 1,476
- The largest companies in Gothenburg 316
- The largest companies in Malmö 196
- The largest companies in Solna 146
- The largest companies in Uppsala 56
- The largest companies in Lund 53
- The largest companies in Helsingborg 48
- The largest companies in Linköping 41
- The largest companies in Jönköping 40
- The largest companies in Borås 34
- The largest companies in Örebro 31
- The largest companies in Mölndal 30