What Does OiSTER Do?

Total employees83
HeadquartersKøbenhavn SV
FoundedN/A

Oister is a Danish telecommunications company renowned for offering affordable mobile subscriptions, mobile broadband, and a selection of smartphones. Launched in 2008 as a brand under Hi3G Denmark ApS (part of the CK Hutchison Holdings group), Oister aims to provide simple, transparent, and budget-friendly mobile solutions to Danish consumers. They operate as a mobile virtual network operator (MVNO) primarily utilizing 3's network infrastructure in Denmark, focusing on a digital-first approach with strong online sales and customer service channels.

Where Is OiSTER's Headquarters?

HQ Function

The Copenhagen headquarters is the operational core for Oister, overseeing marketing, customer service strategy, product development, and coordination with the 3 Denmark network.

Notable Features:

The office is part of Hi3G Denmark's modern telecommunications facilities, designed for collaboration and technological innovation. Specific architectural details are not publicly emphasized for the Oister brand itself.

Work Culture:

Oister fosters a customer-centric and agile work culture, focusing on delivering simple, affordable mobile solutions. Employees likely experience a dynamic environment within the larger Hi3G and CK Hutchison group, valuing efficiency and innovation.

HQ Significance:

This headquarters is pivotal for Oister's market positioning and operations in Denmark, allowing it to leverage the resources of Hi3G to compete effectively as a value-driven mobile service provider.

Values Reflected in HQ: The headquarters likely embodies Oister's core values of simplicity, affordability, and customer focus through efficient workspace design and technology-driven operations.

Location:

Oister's operations are primarily focused on the Danish market. As a brand of Hi3G Denmark ApS, which is part of CK Hutchison Holdings, it benefits from the global expertise and infrastructure of its parent companies, but Oister itself operates as a national Danish telecommunications provider.

Street Address:

Scandiagade 8

City:

København SV

State/Province:

Region Hovedstaden

Country:

Denmark

Where Else Does OiSTER Operate Around the World?

Nationwide, Denmark (via retail partners and online)

Address: N/A (Distributed retail and online presence)

To ensure accessibility of Oister's services and products to customers throughout Denmark, leveraging partner networks and digital channels.

Buying Intent Signals for OiSTER

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading OiSTER? Meet the Executive Team

As of April 2025, OiSTER' leadership includes:

Morten Christiansen - CEO, 3 Scandinavia (including Hi3G Denmark/Oister)
Jesper Larsen Kjeldsgaard - CFO, Hi3G Denmark ApS
Stefan Kofoed Kjeldsen - Chief Commercial Officer B2C, Hi3G Denmark ApS (Overseeing Oister)

Who's Investing in OiSTER?

OiSTER has been backed by several prominent investors over the years, including:

CK Hutchison Holdings
Investor AB

What Leadership Changes Has OiSTER Seen Recently?

Hire0
Exits0

Information regarding specific executive new hires or departures directly within the Oister brand or at the top C-suite level of Hi3G Denmark has not been widely publicized in the last 12 months. The leadership team appears to maintain stability.

What Technology (Tech Stack) Is Used byOiSTER?

Discover the tools OiSTER uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

OiSTER Email Formats and Examples

Oister's email communication, especially customer-facing, typically uses the @oister.dk domain. Internal communications and corporate roles within its parent company, Hi3G Denmark, might use @3.dk. Common professional email patterns such as [first_initial][last_name] or [first_name].[last_name] are expected.

[first_initial][last_name]@oister.dk (e.g., jnielsen@oister.dk) or [first_name].[last_name]@oister.dk (e.g., jens.nielsen@oister.dk). Similar formats likely apply for @3.dk.

Format

kundeservice@oister.dk

Example

80%

Success rate

What's the Latest News About OiSTER?

Oister PresseMay 2, 2024

Oister wins 'Best Customer Service' award again at Loyalty Awards 2024

Oister has once again been recognized for its outstanding customer service, winning the 'Best Customer Service' award at the Loyalty Awards 2024. This highlights their continued commitment to providing excellent support to their customers in Denmark....more

GlobeNewswireMarch 21, 2024

CK Hutchison Holdings (Oister's ultimate parent) Announces 2023 Annual Results, including 3 Group performance

CK Hutchison Holdings reported its 2023 annual results, detailing the performance of its various divisions, including the 3 Group. The report indicated continued activity in the telecommunications sector, with 3 Group Europe showing a steady customer base and focus on 5G expansion, which indirectly impacts Oister's network capabilities and market strategy in Denmark....more

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