Single Family OfficePuts its own capital into companiesLAST VERIFIED Oct 2026 · 4 SOURCES

Inbox Capital

Privately held Stockholm investment company backing tech since 1985; invests in growth-stage companies in fintech, medtech, B2B SaaS and more; around 50 holdings incl. Vinted and Revolut.

USEFUL FOR Founders · Business owners seeking a long-term partner · Co-investors

Family & background

FAMILY: Wattin
HEADQUARTERS: Stockholm, Sweden
FOUNDED: 1985
OUTSIDE CAPITAL: No — own capital only

Investment approach

SECTORS: Fintech HealthTech Software & SaaS Media & Entertainment Consumer & E-commerce Mobility & Logistics
STAGES: Series ASeries BGrowth
ROUTES: Companies (own capital)
STRATEGIES: Venture capitalDirect investments

Overview

Inbox Capital describes itself as a privately held investment company in Stockholm focused on disruptive, fast-growing tech companies in verticals such as fintech, medtech, e-sports, B2B SaaS and social networks. It mainly invests in companies with a proven business model that have reached a certain level of sales or KPI growth, and acts as an active partner offering financing and strategic advice. Its portfolio page lists 49 companies, 38 active and 11 exited, including Vinted, Voi, Truecaller, Revolut and Klarna.

Investment thesis

Invests mainly in tech companies with a proven business model that have reached a certain level of sales or KPI growth, taking a long-term view as an active partner offering financing and strategic advice.

Holdings & investments (49)

Vinted
Consumer & E-commerce · Active
Divergent
Deep Tech · Active
Nexer
Software & SaaS · Active
Euroflorist
Consumer & E-commerce · Active
Instabee
Mobility & Logistics · Active
Carla
Consumer & E-commerce · Active
Voi
Mobility & Logistics · Active
Truecaller
Software & SaaS · Active
Revolut
Fintech · Active (via SPV with Sprints Capital)
Zaver
Fintech · Active
Lunar
Fintech · Active
Dirac
Deep Tech · Active
Heja
Software & SaaS · Active
Lysa
Fintech · Active
Mavenoid
Artificial Intelligence · Active
Doctrin
HealthTech · Active
Billogram
Fintech · Active
Barnebys
Consumer & E-commerce · Active
Oden Technologies
Industrial & Manufacturing · Active
Matsmart
Food & Agriculture · Active
Albert
Education · Active
Wehype
Media & Entertainment · Active
Klarna
Fintech · Active
Woshapp
Consumer & E-commerce · Active
Rabble
Software & SaaS · Active
Zimpler
Fintech · Active
Fast travel games
Media & Entertainment · Active
Min Doktor
HealthTech · Active
Exerton
Software & SaaS · Active
Favro
Software & SaaS · Active
Hackerone
Software & SaaS · Active
Fishbrain
Consumer & E-commerce · Active
Transfluent
Software & SaaS · Active
Brandbastion
Software & SaaS · Active
Clearlii
HealthTech · Active
Mostphotos
Media & Entertainment · Active
Norbloc
Fintech · Active
Btwentyfour
Software & SaaS · Active
Kavall
Consumer & E-commerce · Exited
DP Organizer
Software & SaaS · Exited
Techbuddy
Software & SaaS · Exited
Kwiff
Consumer & E-commerce · Exited
24Storage
Real Estate & PropTech · Exited
Acast
Media & Entertainment · Exited
Bokio
Fintech · Exited
Kitab Sawti
Media & Entertainment · Exited
Hansoft
Software & SaaS · Exited
Meds
HealthTech · Exited
Scrive
Software & SaaS · Exited

People

Ludvig Frykholm
Investment Manager · source
Martin Wattin
Executive Chairman · source
Markus Kitunen
CEO and board member · source
John Wattin
Board member · source
Magnus Berglind
Board member · source
Rune Mossberg
Board member · source
Eugen Steiner
Board member · source
Lovisa Wattin
Board member · source
Johan Nylund
Board member · source

Frequently asked questions

Inbox Capital is a single family office based in Stockholm, Sweden, founded in 1985.

Inbox Capital invests on behalf of the Wattin family.

Inbox Capital invests its own capital into companies. Its stated asset mix includes venture capital and direct investments.

Inbox Capital invests at Series A, Series B and Growth stages in Fintech, HealthTech, Software & SaaS, Media & Entertainment, Consumer & E-commerce and Mobility & Logistics.

Key people at Inbox Capital include Martin Wattin (Executive Chairman), Markus Kitunen (CEO and board member), Ludvig Frykholm (Investment Manager) and John Wattin (Board member).

Inbox Capital's holdings and investments include Vinted, Divergent, Nexer, Euroflorist, Instabee, Carla, Voi and Truecaller, among others.

No. Inbox Capital invests its own capital and does not raise money from outside investors.