These Stockholm-based online businesses primarily focus on retail, entertainment, and financial services. Notable companies include King, known for mobile games like Candy Crush; Kamar Pelajar, which offers accommodation services for Indonesian students abroad; Own Business, an independent provider of various services and products; and Mai, a company facilitating the sale of clothes. Other firms are Avanza Bank, offering banking and investment services, and G5 Entertainment AB, developing mobile games. The companies presented here are mostly mid-sized firms to large groups.
A recurring pattern among these companies is their establishment between the late 1990s and the 2010s. This period saw the founding of companies like Adlibris (1997), Avanza Bank (1999), G5 Entertainment AB (2001), King (2003), Haypp Group (2009), apotea.se (2011), Sellpy (2014), and BookBeat (2015). This indicates a strong growth period for online businesses in Stockholm during these decades.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Kingcareers.king.com
A leading interactive entertainment company with iconic mobile games like Candy Crush, Farm Heroes Saga, played by millions worldwide |
6,555 | |||
| 2 |
Kamar Pelajarkamarpelajar.id
Provider of accommodation services for Indonesian students studying abroad Aiming to be the best accommodation service for Indonesian community worldwide |
2,844 | |||
| 3 | 1,425 | ||||
| 4 | 1,387 | ||||
| 5 |
Avanza Bankavanza.se
Providing low-cost, user-friendly banking and investment services with a wide range of stocks, funds, and pension options. |
906 | |||
| 6 |
G5 Entertainment ABg5.com
This company develops and publishes high-quality free-to-play games for smartphones, tablets, and PCs, targeting a wide audience of players |
688 | |||
| 7 | 652 | ||||
| 8 |
Mindlermindlercare.com
Digital healthcare service offering online therapy with a team of 300 psychologists Mission to break stigmas and provide efficient mental health treatment for all |
581 | |||
| 9 | 560 | ||||
| 10 |
Sellpycareer.sellpy.se
The company aims to extend the lifespan of items and clothes through their leading second-hand service, promoting a circular economy |
410 | |||
| 11 |
Adlibrisadlibris.com
Welcome to the largest bookshop in the Nordics Find all your reading needs in one place |
376 | |||
| 12 |
Haypp Grouphayppgroup.com
Leading the global shift from smoking to healthier alternatives with a focus on e-commerce, serving over 790,000 consumers in 7 countries |
263 | |||
| 13 |
BookBeatbookbeat.com
A team of digital innovators from a leading European publishing company created BookBeat to offer a market-leading service for digital books |
192 | |||
| 14 | 184 | ||||
| 15 | 148 | ||||
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| 16 |
MAG Interactivemaginteractive.com
A leading mobile game developer and publisher creating quality experiences with over 350 million downloads, reaching #1 spots worldwide Founded in 2010 |
116 | |||
| 17 | 111 | ||||
| 18 |
Rebtelrebtel.com
Dedicated to breaking down borders, Rebtel provides products for the modern internationals of the world, with a diverse global team based in Stockholm |
96 | |||
| 19 |
Soundtrapsoundtrap.com
An online music studio offering tools for musicians, producers, and podcasters to create professional-sounding music and audio projects collaboratively from anywhere |
95 | |||
| 20 |
Morrow Bankmorrowbank.com
Modern digital niche bank offering personal loans, credit cards, and deposit accounts in Norway, Sweden, and Finland, focused on efficiency, innovation, and employee development |
87 | |||
| 21 | 70 | ||||
| 22 |
Desenio ABdesenio.com
Passionate about interior decor, Desenio offers trendy wall decor available worldwide, including posters and mounting solutions inspired by Scandinavian style |
58 | |||
| 23 |
Material Exchangematerial-exchange.com
Transforming fashion sourcing by providing a Digital Sourcing Platform for efficient, transparent, and sustainable material selection worldwide, benefiting brands and the planet |
52 | |||
| 24 | 47 | ||||
| 25 |
Swiss Clinicswissclinic.com
A beauty company offering high-tech home beauty treatments for various skin problems, with measurable and lasting effects, operating in six countries |
35 | |||
| 26 |
IDUN Mineralsidunminerals.com
A Stockholm-based beauty brand with high-quality, dermatologist-approved products for all skin types, focusing on sustainability, vegan formulas, and clean beauty |
33 | |||
| 27 |
ROUTINErentroutine.com
This company offers a rental service for women's clothing, promoting sustainability by reducing fashion consumption and environmental impact |
23 | |||
| 28 |
Wakakuuwakakuu.com
A fast-growing e-commerce platform offering hand-picked luxury fashion pieces for the modern woman, aiming to become the Nordic leader in the industry |
19 | |||
| 29 | 15 | ||||
| 30 |
World's Sports Groupworldssportsgroup.com
Digital services provider for endurance sports industry, offering event discovery and registration platforms like Worldsmarathonscom and Ahotu event directory Founded in 2016 |
15 | |||
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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 12, 2026.
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