Top 15 .NET Development Providers in Switzerland (2026)

Hiring a .NET provider for Swiss projects often stalls when teams encounter legacy application migration, Azure integration, cross-border data residency, and multilingual user interfaces. Buyers should compare specific strengths like modern .NET and ASP.NET Core expertise, cloud-native architecture on Azure, legacy-to-microservices refactoring, security and Swiss data protection compliance, automated testing and CI/CD, team size and language and time-zone alignment, and post-launch maintenance and SLAs.

SoftPro serves buyers across Switzerland as an international partner and appears first as the author-selected featured partner for this roundup.

Quick comparison of .NET providers in Switzerland

1. SoftPro

SoftPro is our featured international partner selected first for the Top 15 .NET Development Providers in Switzerland (2026). It serves Swiss enterprise and product teams that require .NET-based modernization, SaaS development and Azure migrations, while operating from a team based in Warsaw, Poland.

Their engineering practice emphasizes ASP.NET, .NET Core and C# for backend systems and Microsoft Azure for cloud-native deployments. Front-end and platform capabilities on the site include React and progressive web applications, and the company documents experience with Umbraco CMS and legacy-to-cloud migration projects.

Key Highlights

• More than 20 years of combined team experience across delivered projects.
• Published case studies include a Business Portal, CRM/HRM, a SaaS ETL platform, a support system and a product-promotion social network.
• Continuous long-term support and maintenance are provided for software after delivery.
• Client testimonials cite assigned project managers and QA resources and consistently on-time delivery.

Services

• Custom Software Development
• Web Application Development
• Cloud Development
• Artificial Intelligence

Contact Information

Website: soft-pro.pl

Phone: +48 571 282 759

Address: Poland, Warsaw, Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401

LinkedIn: www.linkedin.com/company/soft-pro-pl

2. Zühlke Engineering AG

Zühlke Engineering AG is a Switzerland‑founded engineering and technology consultancy that delivers custom software, cloud and systems engineering across Europe and Asia. The company’s site documents multiple Microsoft Azure cloud projects and the site includes an insights page that explicitly references work by .NET software engineers, demonstrating direct .NET and cloud modernisation experience.

Buyers evaluating Zühlke for .NET development should review the Software Engineering practice pages that describe the Zühlke Architecture Assessment Framework, DevOps consulting, and low-code Value Check. The site also publishes Azure case studies (for example, Sensirion and RP‑Technik) and a secure mobile SDK project for Ypsomed, which together provide concrete examples of cloud, SDK and regulated‑industry delivery practices to inspect during vendor selection.

Key Highlights

• Founded in Switzerland in 1968 and owned by its partners.
• The site states experience from more than 10,000 software and product development projects.
• Public partnerships listed on the official site include Microsoft, AWS and Mendix.
• Zühlke commits 10% of its annual revenue to training and development of its people.

Services

• Software engineering
• Cloud consulting (Microsoft Azure)
• DevOps consulting
• Low-code development

Contact Information

Website: www.zuehlke.com

Phone: +41 43 216 66 11

Email: info@zuehlke.com

Address: Zürcherstrasse 39j, 8952 Schlieren (Zürich), Switzerland

LinkedIn: linkedin.com/company/zuehlkegroup

3. AdNovum Informatik AG

AdNovum is a Swiss enterprise software company headquartered in Zurich that delivers secure digital solutions for banks, insurers, public authorities and industrial clients. The company’s official site highlights enterprise software, cybersecurity, cloud and AI services and cites client work with Helvetia, VP Bank and Holcim, but the site does not explicitly list Microsoft .NET as a named technology.

Buyers considering AdNovum for .NET work should evaluate adjacent, verifiable capabilities published on the official site, such as Microsoft Azure cloud solutions, DevOps practices, AI‑powered software delivery and identity and access management. Request technical references that detail CI/CD pipelines, language choices, deployment models and security controls to confirm specific .NET experience or an alternative stack.

Key Highlights

• Operates over 700 IT specialists across offices in Zurich, Bern, Lausanne, Budapest, Lisbon, Ho Chi Minh City and Singapore.
• Publishes an AI‑Powered Software Delivery offering and an Application Expert Tool that provides instant system insights via a chat interface.
• Announced Quantum Resilience Services in July 2026 to support organisations preparing for quantum‑safe cryptography.
• Lists partnerships and integrations with vendors such as Spitch, Google and Microsoft and describes virtual assistant projects for banks, insurers and public authorities.

Services

• Enterprise Software Development
• Cloud & DevOps
• Cybersecurity & Identity Management
• AI Solutions

Contact Information

Website: www.adnovum.com

Phone: +41 44 272 61 11

Email: info@adnovum.ch

Address: AdNovum AG, Badenerstrasse 170, 8004 Zurich, Switzerland

4. Netcetera AG

G+D Netcetera is a Swiss software company headquartered in Zurich that builds authentication, digital banking, payments, and identity systems for banks, payment providers, and insurers. Public case studies on the company site cite large financial projects, including a 180-day delivery of a new SIX application, mobile banking deployments serving over 130,000 customers, and a Click to Pay rollout for thousands of merchants.

The site does not explicitly list .NET or C# on its public technology pages. Buyers evaluating Netcetera for .NET development should review the company’s published technology portfolio and request concrete C#/.NET references, Windows interoperability examples, and code samples; the site publicly highlights a managed technology portfolio, frequent Java usage in projects, and product brochures that describe Java web applications and support for Linux, Unix, and Microsoft Windows environments.

Key Highlights

• Part of Giesecke + Devrient (G+D) with presence across 41 countries.
• The public success-stories page lists a sample of 2,190 successful client projects.
• The company operates a multi-client capable 3‑D Secure service in its data centers.
• Netcetera publishes InfoSec guidance and lists infosec contact points for security inquiries.

Services

• Legacy banking modernization
• UX & frontend engineering
• Custom enterprise software delivery

Contact Information

Website: www.netcetera.com

Phone: +41 44 297 55 55

Email: marcom@netcetera.com

Email: privacy@netcetera.com

Address: Zypressenstrasse 71, 8004 Zurich, Switzerland

5. Ergon Informatik AG

Ergon Informatik AG is a Zurich-based Swiss software engineering company that builds both custom individual software and internationally used standard software for clients across industries. The firm’s backend engineering information on the official site explicitly lists .NET and C# among supported backend technologies, and archived reference material on the site documents .NET components in long-term projects such as AMAG’s garage infrastructure.

Buyers evaluating Ergon for .NET work should consult its Backend Engineering page for the stated language and framework support, check its descriptions of full‑stack delivery and DevOps pipelines and request the company’s referenced case studies and testimonials (for example LLB, Universität Zürich and Belimo) to verify domain experience and long‑term maintenance commitments.

Key Highlights

• Founded in 1984, Ergon emphasizes long-term client relationships and continuity.
• Maintains offices in Zurich and Frankfurt and lists Switzerland and Germany as primary areas served.
• The site publishes client references and testimonials naming customers such as LLB, Universität Zürich and Belimo.
• Backend delivery on the official site explicitly mentions proofs-of-concept, full‑stack assignments, and DevOps-driven build and deployment pipelines.

Services

• Backend engineering
• Full-stack development
• DevOps & CI/CD
• Application security

Contact Information

Website: www.ergon.ch

Phone: +41 44 268 89 00

Email: info@ergon.ch

Address: Merkurstrasse 43 · 8032 Zürich

LinkedIn: linkedin.com/company/ergon-informatik-ag

6. bbv Software Services AG

bbv Software Services AG is a Lucerne-based Swiss software engineering firm that builds custom digital products and enterprise applications for public and private organisations. Its Pilatus-Bahnen reservation system case study states the replacement used .NET and Angular, showing delivery of .NET-based web applications for a public-facing system.

Buyers evaluating .NET providers can review bbv’s Pilatus case study and its technical insights on Blazor alongside the firm’s mobile development booklet that documents building cross-platform apps in C# with Xamarin. The Pilatus story also cites the use of Azure DevOps for cross-organisational collaboration, so request similar toolchain and architecture details when vetting their .NET teams.

Key Highlights

• bbv publishes a recurring Technica Radar that lists .NET among the technologies to evaluate and use.
• bbv developed the Swiss LCDM Hub (BIM2FM) platform that includes a low-code configuration layer and an integrated Quality Control Centre for lifecycle data management.
• The company operates cross-border delivery with teams and shoring setups in Switzerland, Greece and Vietnam and documents shoring in project examples.
• bbv maintains technical insights on Blazor and a mobile development booklet that details Xamarin and C# cross-platform patterns.

Services

• Software Engineering
• Shoring
• Mobile Development
• DevOps & Cloud

Contact Information

Website: bbv.ch

Phone: +41 41 429 01 11

Email: info@bbv.ch

Address: Blumenrain 10, Postfach, 6002 Luzern, Switzerland

7. Swisscom (IT Services)

Swisscom is Switzerland’s largest integrated telecommunications and ICT company and its public site documents a Modern Application offering that covers application modernisation, cloud architecture and production-ready development. The official site does not mention .NET explicitly; instead it highlights cloud and Microsoft-ecosystem work and references Azure migrations and low-code projects in its enterprise success stories.

Buyers who need .NET expertise should evaluate Swisscom by checking Microsoft/Azure migration references, requesting examples of production-ready application deliveries and by reviewing its Rethink project methodology and DevOps/PI Planning practices at scale. Relevant proof on the site includes an Azure-based migration for Implenia, low-code ServiceNow work for cablex, and public material on scaled agile planning (PI Planning and ARTs) and Microsoft Cloud projects.

Key Highlights

• Supported a full Azure migration for Implenia with its subsidiary itnetX setting up the new cloud platform.
• Co-developed the SAR (Site Acquisition Report) low-code app for cablex on the ServiceNow App Engine.
• Publishes a “Modern Application” offering that calls out production-ready development and a documented Rethink project methodology.
• Describes scaled agile practices in public content, noting over 50 Agile Release Trains and 10–12 week planning cycles.

Services

• Modern Application development
• Cloud migration & operation
• Low-code application development
• Managed Microsoft Cloud Services

Contact Information

Website: www.swisscom.ch

Address: Swisscom (Switzerland) Ltd, Alte Tiefenaustrasse 6, CH-3050 Bern

Phone (Corporate Customers): 0800 800 900

E‑Mail (Corporate Customers): info.enterprise@swisscom.com

8. it-processing AG

it-processing AG is a Bern‑Liebefeld–based Swiss software house that delivers bespoke application development and modernization projects for public institutions and enterprises. The company’s Success Stories show .NET Core used in a migration for swisstopo that replaced an Access database with a modern web application built alongside an Angular frontend.

Prospective buyers evaluating .NET providers can verify platform and implementation details on the site’s Success Stories pages, where individual projects include technology and outcome information. Review those published case pages and the company’s product pages to confirm delivery model, deployment longevity, and specific platform choices for .NET engagements.

Key Highlights

• The Audio CMS and sound archive built for SRF has been in production since 2006 and the site lists about 493,000 available music titles and roughly 70,000 sounds.
• The company maintains a public-sector portfolio that includes projects for the Swiss Federal Office for the Environment (Ecogen BAFU) and voting/abstention systems used at the Bundeshaus (parliament).
• Itp’s published job and project pages reference a hands-on engineering toolchain that includes .Net, .Net Core, WPF, C#, ASP.NET, Angular, TypeScript, Microsoft SQL Server, Entity Framework, Docker, Jenkins, and SonarQube.
• The site documents an IoT Lab with OPC‑UA and IoT dashboard projects for industrial and server‑room monitoring scenarios.

Services

• Individualsoftware
• itp-vote
• verbalix portable
• IoT Lab

Contact Information

Website: www.it-processing.ch

Phone: +41 31 388 00 00

Address: Waldeggstrasse 37, 3097 Liebefeld

Email: patrick.schocher@it-processing.ch

Email: carmelo.calabro@it-processing.ch

9. KMS AG

KMS AG builds and operates nest Steuern, a full, integrated business solution for tax administrations in the German-speaking part of Switzerland. The company presents nest Steuern as an end-to-end tax-administration product that has evolved since the 1990s and is delivered from offices in Kriens, Matzingen and Zürich.

The company’s public site does not list .NET, C#, ASP.NET, or Microsoft partnership details, so the site provides no direct proof of .NET delivery. Buyers who need .NET-specific verification should request stack documentation and code or reference examples from KMS, because the site instead documents product scope and delivery practices.

Key Highlights

• nest Steuern is deployed at 14 cantons and in more than 250 cities and municipalities.
• KMS is developing a new named module, “nest Objekt,” in collaboration with the Canton of Luzern.
• The company reports more than 40 years of experience and states a headcount of over 150 employees.
• KMS states it works with agile methods and a DevOps mindset, operating on a cycle of four two-week iterations.

Services

• Product development
• Service Desk
• Data migration
• Professional services

Contact Information

Website: www.kms-ag.ch

Headquarters Address: Zumhofstrasse 10, 6010 Kriens. (kms-ag.ch)

Branch Address: Aadorferstrasse 20, 9548 Matzingen. (kms-ag.ch)

Branch Address: Birmensdorferstrasse 55, 8004 Zürich. (kms-ag.ch)

Phone (Kriens): 041 329 80 60. (kms-ag.ch)

Phone (Matzingen): 052 369 69 99. (kms-ag.ch)

Phone (Zürich): 052 630 17 01. (kms-ag.ch)

Hotline: 041 329 84 20. (kms-ag.ch)

10. IMS AG

IMS AG is a Swiss software company based in Ittigen near Bern that builds bespoke enterprise applications for public administrations, insurers, and large organizations. The firm lists .NET/C# among its backend technologies and points to high-scale systems such as the agrarian information system GELAN with more than 30,000 users and annual financial flows of 1 billion CHF as concrete delivery evidence.

Buyers evaluating IMS for .NET development should inspect its published backend and infrastructure stack—Java, .NET/C#, Node.js, Python, MS SQL Server, microservice architectures with REST and Apache Kafka, and cloud options that include Azure and Swisscom Cloud—and request architecture examples and migration plans. IMS uses agile delivery with Scrum or Kanban and typically produces an MVP within three to six months, which prospective clients can verify via the site’s referenced case studies and timelines.

Key Highlights

• IMS holds ISO 9001 certification (SQS) for its quality management processes.
• The company carries the Swiss Made Software label, with 100% of conception and development carried out in Switzerland.
• IMS partners with BEGASOFT to operate container-based hosting, with the partner providing 24×7 infrastructure support.
• Declared specialties include GIS systems (open source), CMS integrations with Magnolia, and Keycloak for identity and access management.

Services

• IT strategy & consulting
• Custom software development
• Application modernization
• AI solutions

Contact Information

Website: www.ims.ch

Phone: +41 31 925 33 33

Email: info@ims.ch

Sales: verkauf@ims.ch

Address: IMS Informatik und Management Service AG, Worblentalstrasse 30, CH-3063 Ittigen

11. Comerge AG

Comerge AG is a Zurich-based software engineering and UX design firm that develops mobile apps, web apps, and mixed-reality applications. Their public services and careers pages list C# and .NET among technologies, and the site presents cloud-hosted SaaS projects and mixed-reality work as examples of delivery.

Because the site lists C#/.NET in technical listings but does not show a named .NET production project, buyers evaluating Comerge for .NET work should request recent C#/.NET code references, deployment pipelines, and production references. Comerge documents adjacent capabilities — Unity and the Microsoft Mixed Reality Toolkit for HoloLens development, Spring Boot and cloud tooling such as Docker and Kubernetes — which buyers can use to assess architecture and operational maturity.

Key Highlights

• ISO 27001:2022 and ISO 13485 certifications are listed on the company homepage.
• Comerge develops Software as a Medical Device (SaMD) following IEC 62304 and offers its ISO 13485 QMS as a service for startups.
• The firm supported and implemented the CE-marked SonoEyes mixed-reality product for Incremed AG, running on Microsoft HoloLens 2 and Apple Vision Pro.
• Comerge led product management and engineering for Luumo, a cloud-based SaaS platform built for South Pole with scalable infrastructure and UX-focused design.

Services

• Mobile & Web Apps
• Mixed Reality & VR
• Medical Device Software (SaMD)
• UX & Interaction Design

Contact Information

Website: www.comerge.net

Address: Bubenbergstrasse 1, 8045 Zurich

Phone: +41 44 552 52 62

Start the software development: till.bay@comerge.net, +41 44 552 52 60

Everything else: info@comerge.net, +41 44 552 52 62

Career: jobs@comerge.net, +41 44 552 52 62

12. Topal Solutions AG

Topal Solutions AG is a Swiss accounting software vendor headquartered in Volketswil that builds modular finance and payroll applications for small and medium enterprises and fiduciaries. The company publishes developer documentation on its site naming Topal COM API, Topal XML, Topal Business Intelligence, Topal TAF, and a Topal REST API, which shows it exposes integration interfaces relevant to third‑party development work.

The Topal website does not state a .NET technology stack or .NET‑specific services. Buyers assessing Topal for .NET integration should review the published API documentation to confirm supported endpoints, data formats, authentication methods, and whether COM, XML or REST interfaces meet their .NET architecture before prototyping an integration.

Key Highlights

• Topal Payroll 4.0 was rolled out and the product holds Swissdec 5 certification (announcement dated 16 December 2024).
• The company offers a free 20‑day online trial via demotopal.swiss.cloud to test the software in a cloud environment.
• Payment modules support bank connectivity via EBICS and electronic payments in ISO 20022 format.
• Product ecosystem includes WebSolution, Topal App, Topal DMS, Topal Archiv, and Topal Scan modules for document and workflow handling.

Services

• Topal Fibu (Financial Accounting)
• Topal Payroll
• Topal DMS (Document Management)
• API & Integrations (COM, XML, REST)

Contact Information

Website: www.topal.ch

Phone: 062 915 87 00

Email: info@topal.ch

Address: Grabenwisstrasse 3, 8604 Volketswil

13. Condent Software AG

Condent Software AG builds a cloud-hosted communication and billing platform for dental laboratories and dental practices from Zurich, Switzerland. The company’s public website is maintained with the Umbraco CMS and the product is hosted on Microsoft Azure with explicit Swiss data-centre hosting and features that reference MDR-compliant traceability and documentation.

The site does not explicitly state that the application is developed on the .NET framework or ASP.NET. Buyers evaluating Condent for .NET work should review the published technical and legal documents such as the “Technische und organisatorische Massnahmen” and the “Auftragsbearbeitungsvereinbarung”, verify Azure tenancy and Data Protection Addendum terms, and confirm development and operations with OPTEN AG listed in the impressum.

Key Highlights

• Free trial access and a demo booking option are offered directly on the website.
• Annual subscription pricing is published and the product supports modular add-ons such as an Intraoral Scanner Inbox and CAM production orders.
• The company publishes security and compliance documentation, including a TOM (technical and organizational measures) document and an Auftragsbearbeitungsvereinbarung last updated June 2025.
• The website lists an internal team with named roles including a CTO and a Lead Developer.

Services

• Dental lab communication
• Intraoral scanner inbox
• CAM production orders
• Billing & invoicing

Contact Information

Website: www.condent.ch

Phone: +41 44 575 06 00

Email: info@condent.ch

Address: Condent Software AG, Naglerwiesenstrasse 2, 8049 Zürich, Switzerland

14. Byron Informatik AG

Byron Informatik AG is a Basel-based software firm that builds modular, web-based solutions for facility management and related technical information systems. The public site lists products such as byronFM, smartImmo and byronPDM and includes a byronFM demo URL and support documentation that documents two-factor authentication with Microsoft Authenticator.

The website does not explicitly state use of .NET, ASP.NET, C#, Umbraco, Sitecore, Progressive Web App patterns, service workers, or offline-first architectures. Buyers evaluating Byron for .NET work should request concrete stack information and architecture diagrams for byronFM/byronONE, probe the Flughafen Zürich and nateco case studies the site publishes, and use the published demo and support documents as artifacts to verify implementation and integration details.

Key Highlights

• Byron has been implementing CAFM systems since 1994 and names CAFM implementation as a core business activity.
• The company describes its Byron/BIS platform as an object-oriented, configurable basis for customer-specific FM solutions.
• smartImmo is presented as a web-based municipal real-estate solution with secure data hosting in Switzerland.
• The site publishes case studies and references that include Flughafen Zürich and nateco, which buyers can review for project scope and outcomes.

Services

• CAFM / Facility Management Systems
• Custom Software Development
• Product Development & Maintenance
• Support & Application Services

Contact Information

Website: www.byron.ch

Phone: +41 61 690 96 00

Email: byron@byron.ch

Address: Lohweg 6, CH-4054 Basel

LinkedIn: linkedin.com/company/byron-informatik-ag

15. it-hub / IT Hub GmbH (ITHub)

IT Hub GmbH is a Zurich-based software development and hosting firm that builds and runs web applications and platforms. Their site states they deliver custom applications in C# and .NET and assemble Angular front ends with ASP.NET Core APIs while operating servers in Switzerland.

Buyers assessing .NET development vendors should review IT Hub’s published technology and operations details, including C#/.NET, ASP.NET Core, Entity Framework Core, MS SQL Server, Angular and REST APIs, and confirm the .NET version and deployment practices during scoping. The site does not explicitly claim progressive web app or service-worker offline-first features, but it lists Capacitor for shipping the same Angular code as iOS and Android apps and documents multilingual platforms and hosted integrations such as SwissRETS.

Key Highlights

• 22+ years in business.
• Operates two own platforms: Fundort, a Swiss marketplace with escrow and buyer protection, and Mandatfeed, a hosted estate-agent product with SwissRETS integration.
• Runs its own servers with data hosted in Switzerland, daily backups, redundant firewall and mail filtering.
• Maintains 15+ websites and portals under ongoing care.

Services

• Hosting and operations
• Interfaces and integration
• IT management and consulting

Contact Information

Website: www.ithub.ch

Phone: +41 78 616 24 22

Email: info@ithub.ch

Address: Rautistrasse 75, 8048 Zürich, Switzerland

Conclusion

SoftPro is our featured international partner selected first; it serves Swiss enterprise and product teams that require .NET-based modernization and SaaS development. This list gathers providers with varied strengths across regulated industries, custom engineering and platform builds to help you compare options for Swiss and cross‑border delivery.
Focus your selection on concrete .NET technical depth and cloud/modernization experience rather than broad marketing claims. Match provider domain experience to your industry when regulation or integration risk is high. Confirm the expected delivery model and team location for governance and scaling. Require clear post‑launch support, security and compliance practices, and a collaboration rhythm that fits your product and stakeholder cadence.

Frequently Asked Questions

How much does .NET development in Switzerland typically cost?

Costs vary widely with project scope, required seniority, integrations, and regulatory needs. Swiss onshore development tends to carry higher rates than offshore options, and vendors usually offer hourly or fixed-price models. Request detailed proposals from multiple firms on the list to compare estimates and included services.

Should I choose a boutique firm like SoftPro or a larger provider such as Swisscom for my .NET project?

Choose based on priorities: boutique firms often provide more focused teams and agility, while larger providers offer scale, broader service portfolios, and managed services. Consider team continuity, domain experience, and the importance of local presence when deciding between options like SoftPro and larger vendors.

Which provider from this list is a good fit for regulated industries like finance or healthcare?

Select vendors that can demonstrate documented experience with regulated projects, security practices, and compliance reviews. Use the article’s company list to shortlist firms and ask for relevant case studies, certifications, and references during vendor evaluation.

What is a realistic timeline to deliver a medium-sized .NET application with a Swiss vendor?

Timelines depend on complexity and integrations, but a medium-sized application typically takes three to six months from discovery to initial release. Build in extra time for requirements refinement, user acceptance testing, and any regulatory or security reviews.

What are the main risks when outsourcing .NET development to a Swiss provider and how can I mitigate them?

Common risks include unclear requirements, budget overruns, vendor lock-in, and gaps in security or compliance. Mitigate these by defining a clear statement of work, phased milestones, ownership of source code, regular progress reviews, and contractual security and SLA terms.