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Top IT Consultants for Telecommunication Companies in Oslo

For your company to grow, it is essential to choose the best technology. Hiring an innovative IT services provider is the easiest way to ensure that you are making the best use of technology, increasing sales, and staying one step ahead of the competition.

Thankfully, Oslo has many skilled telecommunication IT consultants to explore. Get started finding telecommunication IT consultants in Oslo using our list of the best companies from around the world. Browse ratings and reviews, client testimonials, and work portfolios to make an informed business decision about which telecommunication IT services company is best for your business.

Ratings Updated: March 17, 2025

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Featured

What are Featured Providers?
Notch

4.9 14 reviews
Premier Verified

$50,000+

$50 - $99 / hr

50 - 249

Serves Oslo, Norway

Services provided

35% Custom Software Development

15% Enterprise App Modernization

10% AI Consulting +4 services

10% AI Development

10% IT Staff Augmentation

10% IT Strategy Consulting

10% UX/UI Design

Notch is a software development company highly regarded for its expertise in front-end development and custom web applications. The reviews highlight Notch's strong project management skills, timely deliveries, and seamless integration with client teams, with 100% of clients expressing satisfaction. Clients often commend Notch's deep technical understanding and mentorship efforts. Overall, the feedback reflects a reliable, collaborative partner with a solid cultural fit for diverse project needs.

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Reviews mention Communicative

The feedback regarding Notch's communication skills is overwhelmingly positive. Clients highlighted the team's seamless and proactive communication, with one stating, "the communication is always good and they approach me early with questions and issues." Another noted their developers are "skillful" and "communicate clearly and thoughtfully." Overall, clients appreciate the agency's dedication to understanding their needs and maintaining open lines of communication, indicating a strong sentiment of satisfaction.

Digital Goods Marketplace Dev for Sports Company

5.0 Apr 1, 2021

The project management is built based on our requirements. The team is basically self organized. Everything is on time and the communication is seamless. We have a very direct and open communication and fix things on the go.

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Custom Software Dev for Cloud-Based Platform

4.0 Mar 31, 2021

Communication tools are defined from our side. We use Jira, Google Meet, Mural and Confluence for communication and documentation. For the rest of the people, the communication is always good and they approach me early with questions and issues.

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Custom Software Dev for Institution-Focused IT Provider

5.0 Jul 19, 2020

Project management is communicated via regular weekly meetings and daily via Slack, Jira, Confluence, and GitLab. Their developers regularly inform about any possible delays and suggest other paths that could be followed. They communicate clearly and thoughtfully.

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1 of 1 Web Design reviews are 5 stars

$200,000 – $999,999 avg. project cost

Web Design PROJECT HIGHLIGHT

Custom Web Solution for Global Construction Tech Group

5.0 — Agency 04 developed a custom web solution in Java and Angular for a global construction tech group. The team created an application that aggregates and visualizes data in real-time from different Read more

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Austria (1)

Croatia (5)

Germany (3)

Ireland (1)

Netherlands (1)

Switzerland (1)

United States (2)

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Sigma Software Group

4.8 37 reviews
Premier Verified

$50,000+

$50 - $99 / hr

1,000 - 9,999

Serves Oslo, Norway

Services provided

25% Custom Software Development

25% Mobile App Development

20% Web Development +3 services

10% BI & Big Data Consulting & SI

10% Enterprise App Modernization

10% IoT Development

Sigma Software Group is a versatile technology company offering comprehensive software development, mobile application creation, and engineering support services. Reviews reveal exceptional project management, timely delivery, and adaptive collaboration, with 100% of customers highlighting their effective communication and problem-solving skills. Approximately 90% of the feedback praises the team's commitment and integration into client projects, demonstrating their strong cultural and professional alignment.

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Reviews mention Innovative

Clients have consistently praised Sigma Software Group for their innovative approach and high-quality deliverables. One CEO noted their 'very innovative company' status, highlighting a strong team spirit and excellent staff. The agile methodology employed ensured timely and budget-compliant project delivery, further reinforcing the sentiment of innovation in their service. Overall, feedback indicates a strong alignment with innovative practices, contributing to client satisfaction and project success.

Custom Software Dev & Design for Delivery Company

5.0 Mar 7, 2024

They were a very innovative company with a strong sense of team spirit and excellent staff.

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1 of 1 Web Design reviews are 5 stars

Less than $10,000 avg. project cost

Web Design PROJECT HIGHLIGHT

Web Design & SEO for Documentary & TV Show Production Co

5.0 — Sigma Software Group has redesigned two websites for a documentary and TV show production company. They also provide maintenance and SEO work to three of the client's websites to improve their Read more

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Canada (3)

Germany (2)

Israel (1)

Malaysia (1)

Sweden (10)

Switzerland (1)

United States (16)

England (2)

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Dreamix

5.0 26 reviews
Premier Verified

$50,000+

$25 - $49 / hr

250 - 999

Serves Oslo, Norway

Services provided

25% Custom Software Development

20% IT Staff Augmentation

15% Web Development +4 services

10% AI Development

10% Enterprise App Modernization

10% IT Managed Services

10% IT Strategy Consulting

Dreamix is a software development company specializing in custom solutions such as platform development, digital transformation, DevOps, and automation services. The reviews consistently highlight Dreamix's technical expertise, proactive approach, and excellent project management, with approximately 95% of feedback being positive. Clients appreciate Dreamix's cultural fit and alignment with their values, noting their strong communication, flexibility, and customer-oriented mindset.

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Reviews mention Communicative

Overall feedback regarding Dreamix emphasizes their strong communication skills and proactive engagement with clients. Clients noted 'excellent comms' and 'transparent and flexible communication,' highlighting their responsiveness and adaptability throughout projects. One client remarked on Dreamix's 'client-centric approach and great communication,' while another appreciated their 'proactive, goal-oriented approach.' Overall, the sentiment is highly positive, with clients expressing satisfaction in the smooth communication and support provided by Dreamix.

AI & Custom Software Dev for Drone Inspection Company

5.0 May 8, 2024

The communication flow with all Dreamix members ran smoothly and at the expected professional level. The Dreamix team was always responsive and available for all our requests and needs. Dreamix offers a perfect combination of high-level IT expertise and readiness to meet our specific needs, easy and on-time communication, as well as their active involvement and proactive approach.

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App Dev & UI/UX Design for IT Services Company

5.0 Sep 14, 2023

Dreamix is supportive and reachable. In case of any new requirement, adjustment or concern I can directly reach out to Dreamix to find the best possible solution for me and our common clients. The management of Dreamix is communicative and reliable and they always strive to find a quick solution in the sense of me and/or our common clients.

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Staff Augmentation for Analytics Services Provider

5.0 Oct 18, 2022

Dreamix’s team members were successfully onboarded, and invited to work in person alongside GemSeek’s development team, which strengthened the relationship between both teams. Their client-centric approach and great communication are impressive.

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Custom AI & Machine Learning Development for Film Nonprofit

5.0 Jan 20, 2021

Dreamix have kept us updated throughout the project, been open about any challenges faced, and gone above and beyond to deliver the agreed scope. Dreamix have been open about any challenges faced throughout the project, they have communicated well with our team, they've provided timeline estimates.

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1 of 1 IT Strategy Consulting reviews are 5 stars

1 new review for IT Strategy Consulting in past 6 months

$1,000,000 – $9,999,999 avg. project cost

IT Strategy Consulting PROJECT HIGHLIGHT

Custom Software Dev Services for Digital Health Consultancy

5.0 — Dreamix provides custom software development services for a digital health consultancy. The team is responsible for conceptualizing the system, designing wireframes, and creating an MVP. Read more

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Bulgaria (6)

Germany (2)

Ireland (1)

Netherlands (1)

Switzerland (4)

United Arab Emirates (1)

United States (5)

England (2)

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Itera

4.5 4 reviews

Undisclosed

$50 - $99 / hr

250 - 999

Oslo, Norway

Services provided

40% Custom Software Development

25% Web Development

10% Application Testing +5 services

5% BI & Big Data Consulting & SI

5% Cloud Consulting & SI

5% Digital Strategy

5% IT Strategy Consulting

5% Mobile App Development

Itera is a software development and testing company known for its expertise in automated and manual testing, as well as development services. The company receives overwhelmingly positive feedback, with around 90% of reviewers praising their high-quality training, flexibility, and professional project management. Clients appreciate their ability to rapidly scale teams and integrate seamlessly into existing structures, although some suggest improvements in communication and proactivity.

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Reviews mention Communicative

Itera has received positive feedback regarding their communication skills, with clients noting their thoroughness and punctuality. One client highlighted their 'great communication skills' and effective project management, emphasizing their engagement and follow-up tasks. The sentiment reflects a strong appreciation for Itera's proactive communication approach, which has contributed to the overall success of ongoing projects and client satisfaction.

Invoice App Integration for Media Group

4.5 Oct 15, 2015

Their project management began based in Norway, but after a while they’ve been doing it from Ukraine. My impression is that they’re quite thorough and punctual. They are always engaged in their work, and display great quality and great communication skills. I also appreciate their follow up tasks and efficient project management.

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0 of 1 Web Development reviews are 5 stars

$200,000 – $999,999 avg. project cost

Web Development PROJECT HIGHLIGHT

Software Testing for Insurance Company

4.5 — Itera established a test team to evaluate the new functionalities being implemented into large software systems. The team divided the project into sprints and structured the test system and Read more

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Iceland (1)

Norway (3)

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Insoft Services

Not yet reviewed

$5,000+

$150 - $199 / hr

50 - 249

Oslo, Norway

Services provided

35% Cybersecurity

35% IT Strategy Consulting

10% IT Managed Services +3 services

10% IT Staff Augmentation

5% Cloud Consulting & SI

5% Other IT Consulting and SI

Insoft Services is a London, England-based IT strategy consulting company. Their services include IT strategy consulting and Cybersecurity.
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Featured

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Scalo

4.7 27 reviews
Premier Verified

$10,000+

$50 - $99 / hr

250 - 999

Serves Oslo, Norway

Services provided

30% Custom Software Development

10% Application Management & Support

10% BI & Big Data Consulting & SI +6 services

10% IT Managed Services

10% IT Staff Augmentation

10% Mobile App Development

10% Web Development

5% API Development

5% DevOps Managed Services

Scalo is a software development and IT staffing company known for providing high-quality engineering talent and team augmentation services. Reviews highlight their ability to deliver on commitments, with approximately 75% satisfaction in meeting client expectations and consistently impressive communication. Clients appreciate Scalo's proactive approach and adaptability, although some suggest improvements in technical equipment and code quality.

See all 27 projects
Reviews mention Communicative

Clients consistently praised Scalo for their exceptional communication skills, describing their project management as highly effective and responsive. One client noted the 'excellent communication and responsiveness' throughout their collaboration, while another emphasized the 'fantastic communication' from business analysts and the quick reactions from management to address concerns. Overall, the sentiment surrounding Scalo's communicative approach is overwhelmingly positive, with clients appreciating the smooth collaboration and timely updates.

Custom Software Dev for Automotive Company

4.5 Oct 14, 2022

The Scalo team has joined our delivery process, and we’ve communicated with the team members daily. We’ve also met with the delivery leaders daily via Microsoft Teams, and they’ve kept in touch with us on an ongoing basis. Furthermore, we’ve held weekly meetings with the team to dive into projects in more detail. They’ve communicated effectively, especially with our internal teammates.

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Staff Augmentation for Waste Management Solutions Provider

5.0 Oct 10, 2022

They take customer service seriously. They communicate risks in time.

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IT Development for International Banking Group

5.0 Jan 27, 2021

We have meetings, and we talk on the phone and through email. The communication is very efficient.

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Dev Staff Augmentation for Data Analytics Agency

4.0 Dec 3, 2020

Their communication and response to emails have been brilliant. NBC IT Outsourcing has been very helpful and professional. If there are problems, they find people to help. We have daily standups and use tools like Microsoft Teams and Slack to communicate on a daily basis.

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0 of 2 IT Strategy Consulting reviews are 5 stars

1 new review for IT Strategy Consulting in past 6 months

$50,000 – $199,999 avg. project cost

IT Strategy Consulting PROJECT HIGHLIGHT

Cybersecurity & IT Consulting for Central Gaming Platform

4.5 — Scalo provided IT consulting services for a central gaming platform. The team supported the client’s internal and external audits and led several security projects. Read more

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Finland (2)

Germany (3)

Ireland (1)

Israel (3)

Italy (1)

Poland (13)

Portugal (1)

Switzerland (1)

England (1)

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FlairsTech

4.6 8 reviews
Premier Verified

$5,000+

< $25 / hr

1,000 - 9,999

Serves Oslo, Norway

Services provided

20% Application Management & Support

20% IT Managed Services

15% Custom Software Development +4 services

15% Customer Service Outsourcing

10% Call Center Services

10% Enterprise App Modernization

10% Finance & Accounting Outsourcing (FAO)

FlairsTech is a versatile outsourcing company that provides customer support, technical services, project management, and graphic design across various industries. The reviews are overwhelmingly positive, with more than 90% highlighting their professionalism, adaptability, and value for cost. Many clients commend FlairsTech for its strong cultural alignment, timely delivery, and ability to effectively integrate with existing teams and processes.

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Reviews mention Open to feedback

Clients express a strong sentiment regarding FlairsTech's openness to feedback, highlighting the team's willingness to accept recommendations and adapt to changing needs. One client noted, 'The team is very open to recommendations and change of direction when needed,' and emphasized their readiness to address concerns promptly. Overall, the feedback indicates a positive reception to FlairsTech's collaborative approach, reinforcing their commitment to client satisfaction.

Technical Support for Software Design Studio

5.0 Mar 20, 2023

Support is delivered in a timely, accurate fashion. The team is very open to recommendations and change of direction when needed. The team at FlairsTech is always happy to address any concerns as they arise.

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0 of 1 Mobile App Development reviews are 5 stars

$200,000 – $999,999 avg. project cost

Mobile App Development PROJECT HIGHLIGHT

Customer Service Outsourcing for Travel Agency

5.0 — FlairsTech provides ongoing customer support services for a travel agency. They focus on email and chat support and handling phone calls. The team also assists with back-office operations. Read more

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Canada (5)

United States (3)

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Uptime Development

5.0 2 reviews

$5,000+

$50 - $99 / hr

50 - 249

Oslo, Norway

Services provided

30% Custom Software Development

20% Application Management & Support

20% E-Commerce Development +2 services

20% IT Managed Services

10% Mobile App Development

Uptime Development is a software development company specializing in mobile and web applications, employing technologies like Vue.js and C#. Their client feedback is predominantly positive, with 100% of reviewers highlighting excellent communication and project management. Despite suggestions for price reductions and improved design capabilities, clients trust their timely delivery and responsiveness.

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Reviews mention Communicative

Overall, Uptime Development received positive feedback regarding their communication skills. Clients highlighted their excellent responsiveness and proactive engagement, with one stating that Uptime is 'excellent at communicating' and another noting their 'active' approach to keeping projects moving. Regular updates and biweekly meetings facilitate clear communication, ensuring alignment on project goals. Clients expressed confidence in Uptime's ability to address concerns promptly, reinforcing a strong partnership.

Mobile App Development for Energy Company

5.0 Jun 7, 2021

Uptime is excellent at communicating with us to determine the exact purpose of the project — they explain what they’re doing so we can either change course, continue, or fix issues in the project. They’re very tuned in to what we want, and we trust their work.

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Web Dev for Consumer Electronics Distributor

5.0 May 11, 2021

Over the years, we’ve had three project managers, and they all have performed well, keeping us updated about what’s happening and asking questions if needed. We have biweekly meetings where we check their work and talk about any new inputs from our side. Uptime Development’s most impressive aspect is their responsiveness. The team is really active and keeps the project going — they don’t just wait for things to happen. They’ve become pretty good partners, and we can communicate freely with them.

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1 of 1 Mobile App Development reviews are 5 stars

$200,000 – $999,999 avg. project cost

Mobile App Development PROJECT HIGHLIGHT

Mobile App Development for Energy Company

5.0 — Uptime Development developed a loyalty rewards app for an energy company. They added support functions and customer overview capabilities, coordinating with other firms to sustain the client’s Read more

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Catware

Not yet reviewed

$5,000+

$50 - $99 / hr

2 - 9

Oslo, Norway

Services provided

40% Custom Software Development

20% Enterprise App Modernization

10% Application Management & Support +3 services

10% Application Testing

10% IT Strategy Consulting

10% Web Development

Based in Oslo, Norway and Kyiv, Ukraine, Catware is a software development firm. Their services include Custom Software Development and Enterprise App Modernization.
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The Cloud People

Not yet reviewed

Undisclosed

Undisclosed

250 - 999

Oslo, Norway

Services provided

100% IT Strategy Consulting

The Cloud People is a midsize IT strategy consulting company in Kraków, Poland and Oslo, Norway. Their services include IT strategy consulting.
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Top IT Consultants for Telecommunication Companies in Oslo

Best IT Services Companies for Telecommunication Companies in Oslo

Reviews mention Communicative

Digital Goods Marketplace Dev for Sports Company

Custom Software Dev for Cloud-Based Platform

Custom Software Dev for Institution-Focused IT Provider

Custom Web Solution for Global Construction Tech Group

Reviews mention Innovative

Custom Software Dev & Design for Delivery Company

Web Design & SEO for Documentary & TV Show Production Co

Reviews mention Communicative

AI & Custom Software Dev for Drone Inspection Company

App Dev & UI/UX Design for IT Services Company

Staff Augmentation for Analytics Services Provider

Custom AI & Machine Learning Development for Film Nonprofit

Custom Software Dev Services for Digital Health Consultancy

Reviews mention Communicative

Invoice App Integration for Media Group

Software Testing for Insurance Company

Reviews mention Communicative

Custom Software Dev for Automotive Company

Staff Augmentation for Waste Management Solutions Provider

IT Development for International Banking Group

Dev Staff Augmentation for Data Analytics Agency

Cybersecurity & IT Consulting for Central Gaming Platform

Reviews mention Open to feedback

Technical Support for Software Design Studio

Customer Service Outsourcing for Travel Agency

Reviews mention Communicative

Mobile App Development for Energy Company

Web Dev for Consumer Electronics Distributor

Mobile App Development for Energy Company

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