Seamless OS named finalist in four categories at The Fast Mode Awards 2025

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How do you launch 11 MVNO brands in less than 2 months?

7 reasons why telcos should offer a self-service PBX to their SMB customers 

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Ownit-founder Stefan Tengvall joins Telness Tech as Chief Strategy Officer

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Telcos plan £16m investment in transformation

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Telness Tech appoints Jonas Cedenwing as CEO

Will there be a mobile price cap next?

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Telness Tech secures 5M Euro in funding and gears up in the midst of US Expansion 

Interview with Pablo Noguerol, Chief Customer Officer at Telness Tech

Dagens Industri interviewed Telness Tech founder Martina Klingvall and COO Sara Rasmussen about their future telecom ambitions and successes so far

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UK Telecoms bill: What happens next?

Seamless OS wins Cloud Native Network Leader and CMO of the year at The Fast Mode Awards 2025

Totogi and Telness Tech Set New Customer Experience Standards for Telcos with Strategic Partnership

Digital Transformation 2021

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Spotify for the telecom industry?

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Does ditching flexibility fuel disloyalty for telcos?

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Telcos are brimming with confidence about the future, but customers are telling a very different story

Swedish startup Telness secures €1.5 million additional funding to take European telecoms digital

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Reflections from the MWC24, the Super Bowl of telecom.

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💲Build or buy an OSS/BSS solution, the million dollar question, or is it really?

Seamless OS wins Best Cloud Integration at MVNOs World Awards 2025

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Telness Tech signs MVNE, to launch 11 MVNO brands

Sara's Telecom Trends & Predictions for 2024

Telecoms operators are facing headwinds: here’s how to change course

Fast-growing Swedish mobile operator Telness announces global expansion with its self-service telecom cloud platform

Seamless OS Wins MVNO Nation Award 2025

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Telness Tech Brings European Technology to U.S. MVNOs on the T-Mobile Network 

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What differentiates Telness Tech from the competition? An interview with Sara Rasmussen, CCO.

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Telness Tech in partnership with HTEC in midst of ongoing international expansion

Reflections from MVNO Nation 2022 

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Telcos are out of touch with their customers. Is it too late to fix it? 

Why SMBs don’t buy into all Microsoft Teams integrations for cloud-PBXs

How to launch your own MVNO? A five step guide

Add revenue streams to your business

Sara Rasmussen: We see a much greater focus on the B2B segment  

It is time to tackle the Telecoms Talent Gap - here’s how 

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Sweden’s largest Apple reseller launches cloud PBX ‘Macforum Iris’

Swedish tech startup, Telness, announces €1.5m in post-seed funding to take European telecoms digital

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Swedish tech startup, Telness Tech, announces €8.5m in Series A funding to expand digital telecoms offering across Europe

Changing telecom standards with Martina Klingvall

Two-thirds of Brits planning to switch mobile operator

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NEWS: Telness Technologies, an innovative Swedish telecom company, becomes 100% cloud-based via collaboration with iotcomms.io and prepares for global expansion.

Telness Tech hires former Auka (now Settle Group) global Head of Sales to lead the global expansion.

Telness Tech featured in NYU's Endless Frontier Labs Scale-Up Program, continuing US Expansion

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Founder of Telepo, and the pioneer in cloud based communications, on the partnership between Telness Tech and iotcomms

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Telness Tech delivers platform to TechTell: "Love at first sight"

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Why a ‘Telecoms Renaissance’ could spell a revival of fortunes for telcos and their customers 

How to cut the cord on expensive telecom infrastructure

Meet us at MWC in Barcelona 2023

Why Saga Mobil partnered with Telness Tech

Why telcos are fighting to increase revenues, and ignoring the need to innovate 

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Why automation should be part of any telcos strategy

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Martina shares her reflections from MWC 2023

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This is money UK. Will there be a mobile price cap next?

Telness Tech hires former executive as Customer Success Manager

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Telness Tech and Priceagent Partner to Eliminate Guesswork in Telecom Pricing

Five reasons to migrate an MVNO to an automated digital telco enabler

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OSS/BSS Presales Manager 

Fully Automated Digital Telco (old 2024)

Venture Capital Fund awards Telness Tech for Strongest Value Creation in 2024

In the middle of the hockey-stick: Interview with Jonas, Martina and Sara

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Telco company, Easypartner launches cloud PBX ‘EasyLogg VxL’

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2024 the year Telness Tech made its mark in the Telecom industry

Telecom Should Be Joyful: Martina Klingvall's Call to Action at MWC Barcelona 2025

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Telness Tech appoints Sebastian Stecki, as Head of Marketing & Communications

Research: Telcos to invest £16m in transformation

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Telness Tech enters Norwegian market with Saga Mobil

Telness Tech Wins EFL Venture Fund Award

Telness Technologies launches cloud-based  switchboard solution  together with  fast-growing Cloudgruppen

Telness Tech appoints Filip Askviken, as Head of Product 

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Is this the year digital trends finally make an impact?

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Telness Tech partners with Lebara to Launch New Mobile Operator in Nigeria

Will there be a mobile price cap? Expert believes it could be introduced

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Telness Tech Appoints John Browett to Board of Directors

New York Mobile Becomes First U.S. MVNO to Launch on Telness Tech's Seamless OS

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Telness Tech has secured a double victory at The Fast Mode Awards 2025, being named Cloud Native Network Leader globally  – while Sebastian Stecki, CMO of Telness Tech, has been recognized as CMO of the Year thefastmode.com.

We sat down with Jonas Cedenwing, CTO of Telness Tech, to discuss the real cost of building everything yourself and the advantages of a platform designed for automation from day one.

Interview: How API-only vendors push complexity to you

We’re proud to share that Seamless OS has been named a finalist in four major categories at The Fast Mode Awards 2025 — a powerful recognition of the platform’s innovation and the impact it is making across the telecom industry.

Seamless OS Named Finalist for AI Game changer, Cloud Native Network Leader, OSS & Automation Leader and Digital BSS Trailblazer at The Fast Mode Awards 2025

Recognised for Most Innovative Billing Solution — and the platform that reduces complexity across the entire operator lifecycle.

Seamless OS Wins  MVNO Nation Award 2025

We’re proud to share that Telness Tech has successfully completed the 2024–2025 Endless Frontier Labs (EFL) program at NYU Stern School of Business — and as part of this journey, we’ve been honored with the Elizabeth Elting Foundation Venture Fund Award 2025.

This recognition marks not only a milestone for Telness Tech but also an important step forward in our mission to transform the telecom industry with scalable, future-proof solutions.

Telness Tech, the rapidly growing tech company reinventing telecom for modern mobile operators, today announced a strategic partnership with Priceagent, the platform rewriting the rules of pricing strategy. The collaboration will give mobile virtual network operators (MVNOs) direct access to real-time consumer pricing insights, enabling them to price and launch new subscription plans based on actual demand—not outdated models or guesswork.

Telness Tech today announced the appointment of John Browett to its Board of Directors. Browett brings decades of leadership and governance experience from leading companies such as Apple. Tesco and Octopus Group.

New York, NY — May 15, 2025 — New York Mobile is the first U.S. mobile virtual network operator (MVNO) to launch using Telness Tech’s brand new Seamless OS platform. This deployment enables NY Mobile to deliver a next-generation wireless service, on T-Mobile’s largest and fastest 5G network with unprecedented features and flexibility for its customers, including a vanity phone number marketplace and create-your-own-plan options.

We’re proud to share that Telness Tech has been recognised at this year’s MVNOs World Awards, taking home the Best Cloud Integration award for our newly launched Seamless OS.

New York, USA – 2025 03 11, 2025: Telness Tech is excited to announce the availability of their services to Mobile Virtual Network Operators (MVNOs) on the T-Mobile network, one of the world’s most advanced mobile networks with nationwide 5G Standalone.  This opportunity allows for the integration of Telness Tech’s BSS/OSS platform with T-Mobile’s 5G network, helping MVNOs in the U.S. to launch and grow their services. 

Telness Tech Brings European Technology to U.S. MVNOs on the T-Mobile Network

At the MVNO Summit during MWC Barcelona 2025, TelnessTech CEO and founder Martina Klingvall delivered a keynote that resonated deeply with telecom professionals, innovators, and operators worldwide. Her session, titled “Telecom Should Be Joyful – Why Is It So Difficult?”, challenged the status quo and offered a transformative vision for the industry.

As 2024 draws to a close, we find ourselves reflecting on an extraordinary year for Telness Tech. From groundbreaking innovations to significant strides in international markets, the past year has been nothing short of transformative. We are thrilled to share some highlights and our vision as we step into 2025.

2024: The Year Telness Tech Made Its Mark in the Telecom Industry

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News and Media

Seamless OS wins Cloud Native Network Leader and CMO of the year at The Fast Mode Awards 2025

Interview: How API-only vendors push complexity to you

Seamless OS Named Finalist for AI Game changer, Cloud Native Network Leader, OSS & Automation Leader and Digital BSS Trailblazer at The Fast Mode Awards 2025

Seamless OS Wins MVNO Nation Award 2025

Telness Tech Wins EFL Venture Fund Award

Telness Tech and Priceagent Partner to Eliminate Guesswork in Telecom Pricing

Telness Tech Appoints John Browett to Board of Directors

New York Mobile Becomes First U.S. MVNO to Launch on Telness Tech's Seamless OS

Seamless OS wins Best Cloud Integration at MVNOs World Awards 2025

Telness Tech Brings European Technology to U.S. MVNOs on the T-Mobile Network

Telecom Should Be Joyful: Martina Klingvall's Call to Action at MWC Barcelona 2025

2024: The Year Telness Tech Made Its Mark in the Telecom Industry

For media inquiries

Sebastian Stecki