The 28 Most Popular SaaS Startups from Oslo (2026)

Oslo is home to 28 SaaS and AI products actively bought by companies on Cledara, led by Kahoot (0.01% market share). This ranking is built from real purchasing data — what companies actually pay for, not funding announcements — and updates monthly. Data as of 27 July 2026, 17:44 UTC.

Top SaaS companies from Oslo

#ProductCategoryFoundedEmployeesFunding12-mo rank
1KahootPeople Ops & Talent2,012501-1,000 employees$100M - $250M-224
2DatabuttonAI Platforms & Model Ops2,02111-50 employees$10M - $25M+1,413
3UnleashEngineering & DevOps2,01911-50 employees-112
4BrandpadMarketing & Growth2,0162-10 employeesUnder $1M-56
5BlueTallyOperations & Supply Chain2,0212-10 employees-154
6VevMarketing & Growth2,01711-50 employees$5M - $10M-14
7ConcludeCollaboration & Productivity2,0192-10 employees
8Mender.ioEngineering & DevOps2,00851-200 employees$1M - $5M
9SoundlyMarketing & Growth2,0192-10 employees+505
10JottacloudIT & Security2,00811-50 employees-181
11LexolveLegal, Risk & Compliance2,01711-50 employeesUnder $1M
12OperaIT & Security1,995501-1,000 employees$50M - $100M
13ScrimbaPeople Ops & Talent2,01711-50 employees
14Dune AnalyticsData & Analytics2,01811-50 employees$50M - $100M
15LINK Mobility Marketing & Growth2,000501-1,000 employees
16Cradl AIData & Analytics2,0212-10 employeesUnder $1M
17GelatoOperations & Supply Chain2,007201-500 employees$100M - $250M
18FilemailCollaboration & Productivity2,0082-10 employees
19OxCallCustomer Success & Support2,02211-50 employees
20CrowdWorksSales & Revenue2,01611-50 employees
21SonyaOperations & Supply Chain2,01811-50 employees
2224SevenOfficeOperations & Supply Chain1,997201-500 employees$250M+
23BreytaMarketing & Growth2,0222-10 employees$5M - $10M
24DecisionsCollaboration & Productivity2,01651-200 employees$5M - $10M
25FactsplatCollaboration & Productivity2-10 employees
26ServeboltEngineering & DevOps11-50 employees$5M - $10M
27reMarkableCollaboration & Productivity2,013501-1,000 employees$50M - $100M
28Buypass ASIT & Security2,00151-200 employees

Oslo startups by size and funding

The largest SaaS company from Oslo by headcount is Opera (501-1,000 employees).

15 of 28 have disclosed funding, topped by 24SevenOffice ($250M+).

The newest entrant is OxCall (founded 2022).

The oldest is Opera (founded 1995); the newest, OxCall (2022).

What Oslo startups build

CategoryProducts
Marketing & Growth5
Collaboration & Productivity5
Operations & Supply Chain4
Engineering & DevOps3
IT & Security3
People Ops & Talent2
Data & Analytics2
AI Platforms & Model Ops1
Legal, Risk & Compliance1
Customer Success & Support1
Sales & Revenue1

Oslo's SaaS scene skews toward Marketing & Growth — 5 of its 28 tracked companies build marketing & growth software.

Oslo vs Norway

Oslo accounts for 70% of the 40 ranked SaaS products founded in Norway.

Frequently asked questions

What are the biggest SaaS startups in Oslo?

Kahoot, Databutton and Unleash are the most-used SaaS products founded in Oslo, based on real purchasing data from companies on Cledara. Last updated 27 July 2026, 17:44 UTC.

How many SaaS companies are based in Oslo?

28 SaaS and AI products founded in Oslo are actively bought by companies tracked on Cledara. Aggregators list more registered startups; this ranking counts only products with real, current usage.

Which Oslo startups are growing fastest?

Conclude and Databutton show the strongest rank gains among Oslo-founded products over the last 90 days.

How is this different from other Oslo startup lists?

Most lists rank Oslo startups by funding raised or valuation. This one ranks them by adoption — how many companies actually pay for each product — measured monthly from Cledara's purchasing data.