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.NET Maintenance and Support Services

Keep Your Applications Secure, 
Compliant & Production-Ready 
with .NET & ASP.NET Experts 

Enable proactive monitoring, rapid support, and continuous maintenance for your mission-critical applications with dedicated assistance from Clarion’s DOT NET team. We are committed to delivering specialized .NET maintenance and support services that ensure faster issue resolution, uninterrupted operations, and long-term stability without disrupting your business workflows.

  • 98% Project Success Rate

  • 97%+ Client Retention Rate

  • 2-Week Risk-Free Trial

  • Top 1% NET & ASP.NET Engineers

GET A FREE .NET MAINTENANCE CONSULTATION
 
Home   /   Services   /   .NET Development Services   /   .NET Maintenance and Support Services

Safeguard Your Software Products and Applications to the Core

Modern-day .NET applications consistently experience disruptions from security vulnerabilities, performance gaps, infrastructure advancements, and evolving frameworks. Without well-structured maintenance and technical support, your ASP.NET apps and software can face unfixable damage. Clarion strengthens your app integrity by delivering 360-degree .NET maintenance and support services for every critical layer – be it database, infrastructure, runtime, codebase, or integrations.

Our support and maintenance approach is based on the foundation of solid DOT NET expertise, practical ASP.NET engineering experience, and agile software assistance models. We proactively monitor and manage application health and steadiness to minimize downtime, eliminate operational risks, reduce technical debt, and maximize scalability as your business grows.

.NET Maintenance and Support Services

Clarion assists global businesses with end-to-end .NET maintenance and support services covering – application performance optimization, adaptability, modernization, and stability. All our services are designed to discover and resolve critical challenges related to legacy discrepancies, obsolete dependencies, latest ASP.NET technologies, and end-of-life strategies.

Security Audits and Vulnerability Assessment

Security Audits & Vulnerability Assessment

We perform comprehensive security audits across your ASP DOT NET and .NET applications by leveraging penetration testing frameworks, OWASP guidelines, and code analysis tools. Our support and maintenance experts establish a solid defense mechanism for your app that remediates potential vulnerabilities to boost interoperability, API security, authorization, and authentication.

Customization and Feature Enhancement

Customization & Feature Enhancement

Our maintenance and support engineers continuously focus on enhancing existing .NET applications by integrating new features/functionalities, modernizing UI/UX, and optimizing workflows without critical risks. We implement advanced architecture best practices, clean ASP.NET & .NET Core coding standards, and dependency injection to ensure easy maintainable customizations and modifications.

AI and Cloud-Based Transformation

AI & Cloud-Based Transformation

We outline your .NET applications with hands-on maintenance and support expertise driven by extensive cloud-native solutions and AI capabilities. Our technical team helps you build a sophisticated roadmap that caters to essential tasks, such as adopting ML.NET-assisted intelligence, shifting key workloads to Azure, refactoring monolithic ASP DOT NET systems, and employing Azure Cognitive Services.

Bug Fixing and Patch Management

Bug Fixing & Patch Management

Our software maintenance services are centered around structured patch management and bug fixing of .NET applications using regression testing, issue tracking, and root cause analysis. We offer a complete suite of support solutions that prioritize the timely resolution of production issues while remediating adverse scenarios and maintaining application progression across devices, OSs, and platforms.

Version Upgrades and Migration

Version Upgrades & Migration

Our support experts enable seamless upgrades from legacy .NET Framework versions to Entity Framework, DOT NET Core, and ASP.NET Core to minimize technical glitches, data overburden, and productivity issues. We monitor maintenance parameters to accelerate the migration process, reduce third-party dependencies, resolve deprecated APIs, and address compatibility issues with ease.

CI/CD Automation

CI/CD
Automation

Our maintenance and support approach triggers automated CI/CD pipelines for ASP.NET and .NET applications using the capabilities of GitHub Actions, Azure DevOps, and Jenkins. We provide enterprise-level services to create self-operating build, test, and deploy environments that decrease human intervention and fast-track rollouts while streamlining coding workflows and quality.

Database Management and Optimization

Database Management & Optimization

We take care of every minute detail while optimizing stored procedures, queries, data access layers, and indexes to improve the scalability and efficiency of your .NET software in the long run. Our application maintenance services integrate your ASP.NET systems with Azure SQL, SQL Server, and NoSQL models to ensure stringent database access, handling, updating, retrieval, and overall security.

Performance Monitoring and Advancement

Performance Monitoring & Advancement

Our support and maintenance experts practice regular performance monitoring of .NET applications using advanced telemetry, business-centric logging, custom technology, and cutting-edge APM tools. We are backed by certified C#, VB.NET, and ASP.NET professionals who detect and resolve potential bottlenecks to API latency, thread management, and memory usage quickly and effectively.

24/7 Technical Support

24/7 Technical
Support

Clarion provides round-the-clock support services driven through incident response mechanisms, pre-defined SLAs, and escalation models for your DOT NET software and digital applications. Our highly-skilled maintenance professionals are well-versed in rapid remediation of business-critical issues while ensuring uninterrupted business operations and maximized operational effectiveness.

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Full-Spectrum ASP.NET Maintenance Services for Every Business Need

Our maintenance services are designed to assist varied scenarios across industries, including legacy ASP.NET Web Forms and MVC applications to modern ASP.NET Core platforms. We offer planned security updates, controlled performance tuning, and continuous support for all types of .NET applications – enterprise tools, customer-facing web solutions, SaaS platforms, and internal systems.

Web Applications

Mobile Applications

Desktop Applications 

Cross-Platform Applications 

Enterprise Grade Software

Domain-Specific Systems

BI & Data Platforms

Cloud-Based Applications

AI-Powered Applications

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Industries We Serve with Our Technology Solutions

Over 1500 clients across 30+ industries, including healthcare, finance, and real estate, have leveraged our technology expertise to maximize business performance by 40% and reduce operational costs by 30%.

Why Choose Clarion for .NET Maintenance and Support

Clarion brings the combination of KPI-focused engineering, technology excellence, and deep know-how of business nuances at the center of delivering .NET maintenance and support services. Our DOT NET application security process is built on the cornerstones of industry-specific expertise, strategic thinking, fast-moving capabilities, diverse project portfolio, and high-level compliance.

25+ Years of .NET Excellence

25+ Years of
Experience

We have long-standing technology competence, enterprise-grade services, and application maintenance project experience.

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Multiple Clients
Served

1500+ clients across the U.S., EU, APAC, and MENA trust us for maintenance and support of their .NET applications.

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Positive Customer
Rating

90% client satisfaction rate through consistent delivery, cross-functional collaboration, and timely app support.

Strong Governance and Protection

Strong Governance & Protection

Digital-first governance and documented processes to safeguard data & IP and ensure regulatory compliance.

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Certified Support
Experts

Our ASP DOT NET application maintenance team carries solid competencies and practical multi-domain experience.

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Maximum Developer Potential

With supervisor, QA oversight, and delivery manager support, we ensure maximum productivity and accountability.

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Self-Learning
KRA

Our engineers continuously upskill and cross skill to help you take full advantage of the latest technology advancements and app support best practices.

Agile Development Strategy

Agile Development
Strategy

We use modern agile and DevOps methodologies to promote information exchange, shared capabilities, and alignment with business goals.

Your Extended Team

Quick Onboarding in 48 Hours

Onboard and collaborate with your desired maintenance and support specialists faster, acting as an extension of your internal software team.

IT Maintenance & Support Success Stories Created Using
DOT NET

Helping you succeed is in our DNA. Our .NET application maintenance team continuously works toward maximizing your business growth.

ASP.NET Case Study | Website Enhancement | Brand Management platform

Our client offers the benefits of a smart Brand Management platform and a dedicated company who supports you every step of the way. Today, franchises, enterprises, agencies, and other organizations hire our client to empower their teams to manage, customize and approve their branding before it ever Read more.

Industry: Media and Entertainment

Location: Montclair, New Jersey, United States

BFSI Case Study - Digital Transformation | US Based Finance Company

Clarion delivers digital transformation revolutionizing banking and finance services with advanced technology. BEFORE CLARION’S ENGAGEMENT Reliance on a limited team led to project development bottlenecks. Lack of technological advancement and scalability in solutions AFTER CLARION’S ENGAGEMENT Read more.

Industry: Banking and Finance

Location: USA

Developed A Website With Cutting-Edge Technology & Maintained it Through Internal Apps

Case Study| Mobile App Development & Migration| App Development Partner

The client is a market leader in the burgeoning and competitive business brokerage industry, offering tried-and-true methods and methodologies to help buyers and sellers get businesses transferred. Since 1979, they have specialized in the sale of businesses and companies throughout Wisconsin. Read more.

Industry: eCommerce

Location: Wisconsin, US

Case Study - Enhanced Scalability of Fintech Apps with the Azure cloud

A stable & secure application is an essential need for a client who primarily offers fintech services to institutional investors. Flexipath Capital provides support for workflow and analytics for seamless investment origination & disposition process along with asset-backed consumer lean services. Read more.

Industry: Financial

Location: Florida, U.S.

An MRO Inventory Optimization Solution with UX Design

The client is a leading service provider of Maintenance, Repair, Operations commonly known as (MRO). They create insightful reports to help in business growth of their customers with correct order point, order quantity, and lead times. The prime aim is to reduce the MRO inventory costs in various Read more.

Industry: : Asset Management

Location: Texas, USA

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Testimonials

Hear first-hand accounts of the impact from our clients.

Brian McAuley

CTO & Co-Founder, Pricesmith

“We value our partnership with Clarion for their reliability, trustworthiness, and strong technical expertise. Their dedicated team takes a proactive approach to problem-solving, which has consistently reinforced our confidence in them." 

Technology: .NET, ReactJS 

Service: App Development 

Peter Sayer

Founder & CEO, Flexpath Capital 

“I’m very impressed with your team’s performance, especially over the last 2–3 months. The platform’s capabilities and the way you’ve implemented changes have been both efficient and outstanding. We truly appreciate your hard work and consider you valuable operational partners. Thank you for your dedication."

Technology: .NET MVC, SQL , Azure, Cloud  

Service: App Development  

Tom Garvin

Director, Performance Improvement Partner

“Great work by the team in developing the application to transfer data from Daceasy to Epicor. Despite challenges and dependencies on third parties, they managed everything within budget and timeline. Proud of the team’s commitment—keep it up! "

Technology: .NET Core 

Service: Web Application Development  

Roland Lessard

CEO, MorningSide 

“We truly appreciate the positive impact that the vEmployees have made on our program, it’s well recognized and valued. I can confidently say that the agility and quick adaptation demonstrated by your team are impressive. We look forward to continuing this collaboration."

Technology: .NET MVC, SQL , Azure 

Service: App Development  
More Testimonials

Frequently Asked Questions About .NET Maintenance and Support Services

Does Clarion provide long-term maintenance and support services for .NET applications?

Yes. Post the deployment and launch of your DOT NET software, we provide the following services:

  • Performance monitoring & scaling
  • Continuous optimization
  • Version upgrades
  • Bug fixes & patches
  • Vulnerability assessment
  • Infrastructure support

We safeguard your NET software over time to keep it secure, fully-functional, and high-performing.

What is the exact response time for addressing critical issues?

The typical response time depends on the issue priority, possible business impact, and escalation workflows. However, our .NET support team initiates immediate triage and addresses critical production issues in defined timelines as part of the SLA.

Do you provide support for legacy ASP.NET applications?

Yes. We provide wide-ranging services to refactor legacy applications, migrate from older .NET versions to .NET Core, redesign monolithic systems into microservices, and move apps to cloud platforms like Azure and AWS. Our maintenance approach reduces technical debt and improves productivity.

Can you customize software maintenance services as per my business needs?

Absolutely. Our .NET maintenance and support services are fully customizable based on your .NET application complexity, utilization specifications, and business priorities. We follow a tailored approach with:

  • Flexible engagement and SLA models
  • On-demand/dedicated support teams
  • Scope aligned to releases/scalability goals

How do you ensure application security during maintenance?

Security is incorporated into every stage of the maintenance process. We safeguard your .NET applications by leveraging the capabilities of:

  • OWASP, secure coding standards
  • Identity & access (OAuth, OpenID, Azure AD)
  • Data encryption (in transit and at rest)
  • Role-based authorization & authentication
  • Automated vulnerability assessments
  • Cloud compliance (SOC2, HIPAA, PCI, GDPR, etc., as needed)

Is ongoing maintenance essential for my DOT NET software?

Yes. Ongoing maintenance ensures your DOT NET software remains secure, performant, and compatible with evolving frameworks and infrastructure. Continuous support helps prevent failures and ensures future enhancements without costly rework.

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Talk to Our Experts

Let’s keep your .NET applications running at peak performance – today and tomorrow. Connect with our dedicated software support engineers to discuss your complex challenges, technical requirements, and long-term maintenance strategy.