Top 10+ Windows App Development Companies in Oslo | Windows App Developers Oslo 2026

Last Updated 04th August 2026 | Category: Top App Development Firms

The List of Top 10+ Windows App Development Companies in Oslo | Top Windows App Developers Oslo 2026

1. Hyperlink InfoSystem

Sponsored
Not Claimed
Founded 2011
Employees 1000+
Hourly Rate < $25
Our Rating 5.0/5 (65 reviews)
Avg. Project Cost NOK 493,395+
Contact No +13097914105
Email info@hyperlinkinfosystem.com
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mobile app development
web development
vr app development
ar app development
unity 3d game development
wearable app development
ui-ux design
web design
internet of things
ai development
blockchain development
Hyperlink InfoSystem is one of the best mobile app development service provider in Israel. They are notable for combining new technologies & features into the app and making it a leading one in the appropriate sector. Their team will strategize the specific solution for your requirements, to make your company more creative and effective. Their methodological way to handle each effort with the accomplishment. Over the years of experience & technical knowledge of software development technologies have allowed them to develop innovatively and high-quality internet sites and apps.

They always keep user experiences, usability, ease of use, and futuristic programming at the heart of the development process to ensure the success in the market.
Not Claimed
Founded 2011
Employees 10 - 49
Hourly Rate $50 - $99
Our Rating 4.1/5 (7 reviews)
Avg. Project Cost NOK 493,395+
Contact No +37258081132
Email hi@thorgate.eu
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web development
ui-ux design
custom software development
web design
digital strategy
android app development
ios app development
They are a team of skilled designers, talented developers, and business experts providing powerful projects. Their team of experts is well versed in the acceleration of change. They focus on developing beautiful and user-friendly web and mobile products. They have created a different way of working with allies.

3. Tight

Not Claimed
Founded 2010
Employees 10 - 49
Hourly Rate $100 - $149
Our Rating 4.8/5 (7 reviews)
Avg. Project Cost NOK 246,697+
Contact No +4790026994
Email hello@tight.no
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mobile app development
web development
ui-ux design
web design
digital strategy
Tight is a leading app development company. They help their clients manage their mobile plan, performance, control & build with time. They work actively in providing higher quality results. Their processes & infrastructure are optimized and automatic. They pay a lot of consideration to training & development of their employee.

4. Restaff

Not Claimed
Founded 2007
Employees 50 - 249
Hourly Rate $25 - $49
Our Rating 4.5/5 (6 reviews)
Avg. Project Cost NOK 986,790+
Contact No +4790202364
Email post@restaff.no
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mobile app development
web development
ui-ux design
enterprise app modernization
web design
It was founded in 2007. They are an open and global company with a strong dedication to software development and testing. Their values are based on a fundamental belief in human beings, openness, and trust. They believe that constant values are developed in a vibrant environment of motivated people.
Not Claimed
Founded N/A
Employees N/A
Hourly Rate N/A
Our Rating 4.5/5 (8 reviews)
Avg. Project Cost NOK 49,339,515+
Contact No +4724077000
Email N/A
View Profile Visit Website
web development
ui-ux design
custom software development
web design
android app development
ios app development
It is leading mobile app development company in Norway. Their focuses on the best mobile applications and gives full solutions that create business potency and profitability. So, if you’re looking to change your business with the advanced applications, don't worry because you have got one of the best mobile app development company.
Not Claimed
Founded 2009
Employees 2 - 9
Hourly Rate $50 - $99
Our Rating 4.1/5 (8 reviews)
Avg. Project Cost NOK 98,679+
Contact No +4793077225?
Email hello@thinksmart.pl
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mobile app development
web development
ui-ux design
custom software development
web design
THINKSMART is a small and flexible software production company that moves fast and understands both technology and business. In opposite to many outsourcing companies, they work closely with their clients just like their team extension. They know how complex is building the innovative products and hiring a big team of random developers won’t make it any simpler.
Not Claimed
Founded 2014
Employees 50 - 249
Hourly Rate N/A
Our Rating 4.3/5 (6 reviews)
Avg. Project Cost NOK 246,697+
Contact No +4721999779
Email sales@theappsolutions.com
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web development
ui-ux design
android app development
ios app development
They are a web & app development company that transforms your ideas into a new force of your company. They hire outstanding web and mobile app developers to deliver projects on time and have the best coding standards. The team has shown ?to be highly trained, flexible, strong and very competent technically.
Not Claimed
Founded 2007
Employees 500 - 999
Hourly Rate $50 - $99
Our Rating No reviews yet
Avg. Project Cost NOK 986,790+
Contact No
Email
View Profile Visit Website
mobile app development
web development
ui-ux design
custom software development
web design
They started to develop mobile apps in 2007 and have increased into a full-cycle, software development company. They always keep abreast with fast-changing trends and perform advanced technology, creativity and clear expertise in every project. They allow their clients to deliver great mobile applications at a lower cost and compressed development time.

9. Grow

Not Claimed
Founded 2004
Employees 50 - 249
Hourly Rate $100 - $149
Our Rating 4.4/5 (7 reviews)
Avg. Project Cost NOK 246,697+
Contact No +4721628810
Email info@grow.eu
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mobile app development
web development
ui-ux design
web design
branding
digital strategy
They have combined their expertise in strategy, design, and communication with brand-driven business development to help our clients grow. They understand your needs are important and their methodology is completely designed to fit the same. By a strong and distinct experience, that holds true across the entire customer journey.
Not Claimed
Founded N/A
Employees N/A
Hourly Rate N/A
Our Rating 4.4/5 (7 reviews)
Avg. Project Cost NOK 49,339,515+
Contact No +4741799417
Email avinet@avinet.no
View Profile Visit Website
mobile app development
web development
ui-ux design
web design
Asplan Viak Internet is a best mobile app development company in Norway. Their vision is to produce smart solutions based on variation and experience. By doing so we wish to change the working methods and information requirements of their customers. Dedicated developers work closely with clients by every single stage of the of the app development.

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FAQs

What distinguishes a top-tier App Development company in Oslo when it comes to Windows delivery?
Top-tier App Development companies in Oslo distinguish themselves in Windows delivery through proactive risk identification, milestone-level transparency, and a willingness to challenge the client's brief when they identify a stronger technical path. They assign senior Windows architects to project oversight rather than delegating all critical decisions to junior developers, and they maintain structured handover documentation so clients are never locked to a single team member. The clearest differentiator is how a App Development firm in Oslo responds to the first major obstacle in your Windows project — that response reveals more than any discovery call.
What advantages does Oslo offer as a base for Windows development?
Oslo provides a competitive combination of engineering talent density, cost efficiency, and strong English-language communication skills that make it a practical base for Windows development at scale. The local technology community has grown substantially over the past decade, with active professional associations, vendor certification programs, and Windows user groups that keep practitioners current with industry standards. Government investment in digital infrastructure and higher education has further strengthened the commercial environment for App Development companies in Oslo delivering Windows work to international clients.
What hourly rates do App Development developers in Oslo charge for Windows work?
Hourly rates for Windows developers at App Development companies in Oslo typically range from $25 to $80 per hour depending on seniority, specialization depth, and the firm's overall service tier. Senior Windows engineers and solution architects with five or more years of domain-specific experience command rates at the upper end of that range, while mid-level developers are priced more competitively. Compared to equivalent Windows talent in Western Europe ($80–$150/hr) or North America ($100–$200/hr), App Development companies in Oslo offer significant cost savings without a proportional reduction in delivery quality.
What criteria does this directory use to evaluate App Development firms in Oslo for Windows projects?
This directory evaluates App Development firms in Oslo for Windows work across five primary criteria: verified client references weighted at approximately 40%, depth and relevance of the Windows project portfolio, team technical qualifications and vendor certifications, demonstrated delivery history, and overall client satisfaction scores. Firms that submit only self-reported Windows metrics without third-party client verification are scored at a lower confidence tier and ranked accordingly. These criteria exist so buyers can efficiently identify the most credible App Development companies in Oslo for Windows work without needing to conduct all due diligence independently.
What client retention rate signals a trustworthy App Development company in Oslo for Windows work?
A App Development company in Oslo with a repeat client rate above 65–70% for Windows engagements demonstrates that clients receive consistent enough value to commission additional work rather than seeking alternatives after the first project concludes. High Windows retention rates are among the most credible quality signals available, since dissatisfied clients rarely return regardless of how competitive the pricing was. When evaluating potential partners, ask directly what percentage of their Windows revenue comes from returning clients and request a reference from at least one client who has engaged them on two or more separate Windows projects.
How do App Development companies in Oslo integrate Windows solutions with CRM and marketing tools?
App Development companies in Oslo experienced with Windows and CRM/marketing integrations commonly connect Windows solutions with platforms such as Salesforce, HubSpot, Zoho, and Marketo — routing user and lead data captured through your Windows product directly into the sales pipeline with accurate attribution tracking. Well-architected Windows CRM integrations typically reduce manual data entry by 80–90%, improve lead response times, and give the sales team richer behavioral context for every prospect interaction. Share your full existing marketing technology stack with your App Development partner in Oslo at project kickoff so they can design clean Windows integration architecture from day one rather than retrofitting it after go-live.
Who are the most experienced Windows specialists at App Development companies in Oslo?
The most experienced Windows specialists at App Development companies in Oslo are typically senior engineers and solution architects at firms with 8–15 or more years of operation who have personally led multiple production-grade Windows implementations across diverse industries and deployment scales. These individuals hold hands-on Windows delivery experience rather than supervisory-only roles, and their expertise is evidenced by technical publications, conference presentations, or active open-source Windows contributions that can be independently verified. Verified directory rankings filtered by Windows specialization — cross-referenced against direct client references — are the most reliable path to identifying genuinely experienced Windows practitioners in Oslo rather than relying on self-promoted credentials.

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