Chall

chall.no

Oslo, Oslo, Norway

1-10 employees

LinkedIn Profile

About Chall

host competitions, engage through entertainment, tailor engagement, social networking platforms, sports federation partnerships, online challenges, b2c, services, athlete participation, challenge analytics, challenge hosting, prize management, community building, user interaction, content creation, social media, community engagement, winter sports challenges, content sharing, social media integration

Chall's Tech Stack

AI/ML

Marketing

Hubspot

Mobile

Android

React Native

Cloud

Render

Decision Makers at Chall

1 contact

Fredrik Gjertsen

CTO

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11 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

HubSpot users typically run inbound-led sales motions. Products that integrate with HubSpot (email automation, CRM enrichment, ABM platforms) are natural fits.

Chall's Position in the StackWho Database

• Chall is 1 of 1,792 internet companies tracked in StackWho.
• 1,788 internet companies in our database have verified decision-maker emails (100% of the cohort).
• 1,961 companies in Oslo are in the StackWho database.
• 1,045 internet companies are in the 1-10 employee range (same size as Chall).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does Chall use?

Chall uses Outlook, Google Play, Mobile Friendly, Squarespace ECommerce, Google Tag Manager, YouTube, and 5 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Chall?

StackWho has verified email addresses for 1 decision maker at Chall. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Chall directly for sales, recruiting, or partnerships.

What industry is Chall in?

Chall operates in the internet industry, headquartered in Oslo, Oslo, Norway. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Chall's contact data?

Yes. StackWho Pro members can export decision maker contact data for Chall and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.