Top 10+ C# Development Companies in Oslo | C# Developers Oslo 2026
Last Updated 15th August 2026 | Category: Top Web Development FirmsThe List of Top 10+ C# Development Companies in Oslo | Top C# Developers Oslo August 2026
1. Hyperlink InfoSystem
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Details
| Founded: | 2011 |
|---|---|
| Hourly Rates: | < $25 |
| Employees: | 1000+ |
| Avg. Project Cost: | NOK 24,669,758+ |
| Ratings: |
5.0
497 Reviews
|
Hyperlink InfoSystem is a professional web and mobile development company which is committed to serving small to large sized enterprises build an online presence. Since 2011, they always assure that their clients, no matter whatever is the extent of their business, ever get the best and genuine of their services and that they succeed in their efforts. Their team is adept at using cutting-edge technologies to customize everything from the look & feel of front-end to expert back-end programming that results in a highly dynamic, fully functional & interactive web solution. Their aim to get purpose oriented solutions that smoothen the functionalities of your groups.
Details
| Founded: | 2013 |
|---|---|
| Hourly Rates: | $50 - $99 |
| Employees: | 50 - 249 |
| Avg. Project Cost: | NOK 493,395+ |
| Ratings: | No reviews yet |
They are a team of 100 professional troublemakers who challenge the boundaries of digital. They never develop something your business doesn't need. Their developers live for the thrill and break the boundaries of digital. By hiring even one developer, you receive entire machinery of experts to back you up. It is one of the best web development company.
Details
| Founded: | 2012 |
|---|---|
| Hourly Rates: | N/A |
| Employees: | 2 - 9 |
| Avg. Project Cost: | NOK 98,679+ |
| Ratings: | No reviews yet |
Omega Media AS is a best mobile app development company. They are a premium service provider in the mobile application development era. They work innovative and also digital solutions for some end users. Their team supports designs, development processes & software technologies that are best for the query at an ability to provide best software solutions that entertain their customers.
Details
| Founded: | 2006 |
|---|---|
| Hourly Rates: | $25 - $49 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | NOK 49,339,515+ |
| Ratings: |
4.6
8 Reviews
|
Their web development company have a dedicated team of professionals who bring high-quality services at a fair price. Their proven experience & capability to provide results allow us to bring tangible value to our customers and help them achieve their business goals. They invest ideas for you, their customers. They remain open for everything new & innovative; that is what makes their web development company special.
Details
| Founded: | 2009 |
|---|---|
| Hourly Rates: | N/A |
| Employees: | 2 - 9 |
| Avg. Project Cost: | NOK 986,790+ |
| Ratings: | No reviews yet |
They believe that their interest and a deep understanding of why things are the way they are and why people think and behave the way they do is their most critical design tool. Their mission is to determine real-world difficulties by linking the gap between a company, product, branding, marketing, and tech, with meaningful use of design and technology.
Details
| Founded: | 2010 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 2 - 9 |
| Avg. Project Cost: | NOK 98,679+ |
| Ratings: | No reviews yet |
Funkbit is a nimble tech startup working riverside Akerselva in Oslo, Norway. they Love the Internet and take care deeply about simplicity, purpose, and honesty in whatever they make. Their team follows an amazing app development process and has worked with various clients. They collaborate with brands big and small to help bring their products and experiences to life.
Details
| Founded: | 2010 |
|---|---|
| Hourly Rates: | $50 - $99 |
| Employees: | 50 - 249 |
| Avg. Project Cost: | NOK 24,669,758+ |
| Ratings: |
4.1
6 Reviews
|
Better Software Group believes in focused research, in-depth knowledge of your enterprise difficulties and fast prototyping preferably than dull and heavy documentation deliverables. With a great entrepreneurial mindset, they partner with enterprises and new enterprises to help them grow consistent, effective and more profitable.
Details
| Founded: | 2003 |
|---|---|
| Hourly Rates: | N/A |
| Employees: | 2 - 9 |
| Avg. Project Cost: | NOK 986,790+ |
| Ratings: | No reviews yet |
They work on a strict time plan to stop bottlenecks from bringing down your productivity graph. Their main clients are local & national advertising companies, but some international clients have also noticed their way to them. Their work is split in product development, consultancy work, and client projects.
Details
| Founded: | 1989 |
|---|---|
| Hourly Rates: | $50 - $99 |
| Employees: | 500 - 999 |
| Avg. Project Cost: | NOK 98,679+ |
| Ratings: | No reviews yet |
Itera begins the new benefits to client' businesses through the implementation of the highly effective software solutions precisely tailored to their needs. We propose a perfect combination of trusted reliable cooperation with our partners, well-defined company processes, high-qualified specialists & aggressive pricing policy.
Details
| Founded: | 2011 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | NOK 49,339,515+ |
| Ratings: | No reviews yet |
RED Performance is an award-winning performance marketing agency that works with companies with growth ambitions. They consist of many wise heads, and as their customers grow rapidly. The company was established in 2011 and has achieved very good results for our customers in a short period of time - and has taken a leading position in the Norwegian market.
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FAQ
Frequently Asked Questions
Got questions about our specialized technology solutions? We have the answers to help you make informed decisions.
The best Web Development companies in Oslo share a few common traits: a portfolio of shipped, real-world products, verified client feedback rather than self-reported testimonials, and a team structure built for accountability instead of just headcount. They can point to specific outcomes — faster load times, higher conversion, successful launches — rather than vague claims of expertise. Cross-checking a shortlist against independent reviews is the fastest way to separate genuinely strong Web Development firms in Oslo from those that simply market well.
Most Web Development companies in Oslo default to one of three setups: fixed-price when the scope is locked down in advance, time-and-materials when requirements are expected to shift, or a dedicated team model for ongoing product work that doesn't have a fixed end date. None of these is inherently better — the right fit depends on how settled your requirements actually are. A Web Development partner in Oslo worth working with will tell you honestly which model fits your project instead of pushing whichever one is easiest for them to sell.
The better Web Development companies in Oslo plan around the time difference rather than ignoring it — usually by shifting core hours to overlap a few hours with the client's day, and filling the rest of the gap with recorded demos, written status updates, and async-friendly tools. It's a solvable problem, but only if it's addressed explicitly before the project starts; agree on exactly how much overlap you need with your Web Development partner in Oslo up front.
It does, in fairly practical ways — communication style, how formally decisions get escalated, and the pace at which changes get approved all vary by region, and Oslo has its own norms around each. None of this is a problem as long as expectations are set early; the Web Development engagements that go smoothly in Oslo are usually the ones where the client spent a little time upfront understanding how the team likes to work, not just what they can build.
Value from a Web Development company in Oslo comes less from the rate you negotiate and more from whether the team understands the business problem behind the build. Firms that ask about your actual goals before proposing a solution, and that stick around to look at usage data after launch, tend to produce work that pays for itself. A Web Development partner in Oslo chasing the lowest quote rarely correlates with the best long-term outcome.
The reputable ones treat it as non-negotiable — NDAs signed before any real discussion happens, access controls that limit who on the team can see what, and contract language that clearly transfers all IP to the client on final payment. Internal confidentiality agreements for staff are standard practice at any Web Development company in Oslo worth hiring. If a firm is loose about any of this in early conversations, that's a preview of how they'll handle it once your data is actually in their systems.
It tells you quite a lot, actually. A Web Development company in Oslo with a healthy share of repeat clients is being chosen again by people who already know exactly what working with them is like — a stronger signal than a first-time review can offer. When comparing options, ask directly what share of their business comes from returning clients and, if possible, talk to one of them.
Start by filtering for Web Development companies in Oslo with direct experience in your vertical — a firm that has already built for healthcare, fintech, or retail will already understand the compliance rules and user expectations that come with it, instead of learning them on your project. Ask for case studies specific to your industry, and where possible, talk to a client from the same sector to confirm the experience is as deep as the portfolio suggests.
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