.NET is the Microsoft platform for building web, desktop, cloud and mobile applications in C#.
Salesforce Select Partner · 15+ years of team experience · Delaware and Sydney
.NET development for business systems built on Microsoft technology.
We build ASP.NET Core applications and APIs, take over .NET codebases other teams wrote, and move .NET Framework, .NET 8 and .NET 9 apps onto .NET 10.
See how it works
- 15+Years of team experience
- 3Ways to engage: project, team or extension
- 60 minFree .NET development review, with a written plan
- 5.0/5Client satisfaction (CSAT)
Proven Success With
5.0/5 CSAT
New to .NET development?
What is .NET development?
We build ASP.NET Core apps and APIs, Blazor front ends and Azure services, and upgrade older .NET versions.
Work runs as a fixed-scope project, a dedicated team or C# engineers who join your team.
Starting point
Where are you with .NET?
What does your .NET work look like today?
- Path 01Nothing built yet
A new .NET build
You need a new web app, API or internal system on Microsoft technology.
- Started on .NET 10, the current LTS
- Architecture and data model agreed first
- Tests and CI from the first sprint
- Path 02We inherited an app
Taking over an existing .NET app
The team or vendor that built it has gone and changes take too long.
- Code, package and security review
- Tests added around the riskiest areas
- A written report and a plan
- Path 03It is out of date
Upgrading or modernizing
The app runs on .NET Framework 4.x, .NET 6, 8 or 9, Web Forms or WCF.
- Projects retargeted to .NET 10
- NuGet packages updated or replaced
- Web Forms and WCF rebuilt where needed
A .NET application on a supported version that your team can keep changing
What we do
What do our .NET development services include?
Build, take over, upgrade and staff .NET work with one C# team.
ASP.NET Core applications
01Enterprise web apps built with tests and CI from the start.
Web APIs
02REST APIs for front ends, mobile apps and partners, secured and documented.
Blazor front ends
03Interactive web front ends written in C# alongside your back end.
Azure services and workers
04Background workers, queues and cloud services on Azure.
.NET upgrades
05.NET 6, 8 and 9 moved to .NET 10, and .NET Framework ported.
Web Forms and WCF replacement
06Old Web Forms pages and WCF services rebuilt on ASP.NET Core.
Salesforce integration
07.NET services that exchange data with Salesforce over its APIs.
.NET team extension
08C# engineers who join your team and work in your process.
Stack
The .NET stack we work with
Current .NET from the user interface down to testing and packaging.
- Blazor
- WPF
- WinForms
- .NET MAUI
- ASP.NET Core
- SignalR
- C#
- .NET 10
- Entity Framework Core
- Azure
- Background workers
- xUnit
- NUnit
- NuGet
- Docker
Upgrades
When does .NET 8 support end?
.NET 8 and .NET 9 both reach end of support on 10 November 2026. .NET 10 is the current LTS release, supported to November 2028.
Today.NET Framework 4.x, or .NET 6, 8 or 9
- .NET 10
Upgrade from .NET 6, 8 or 9
Retarget projects, update NuGet packages and fix breaking changes, with tests run at each step.
.NET 8 and 9 reach end of support on 10 November 2026.
- .NET 10
Port from .NET Framework
Move .NET Framework 4.x code to modern .NET project by project, shared libraries first.
Fits apps that need cloud hosting, containers or current libraries.
- ASP.NET Core
Replace Web Forms and WCF
Rebuild Web Forms pages and WCF services as ASP.NET Core, Blazor or REST APIs.
Fits apps held on .NET Framework by Web Forms pages or WCF services.
Engagement
How can you work with our .NET engineers?
Three ways to engage. Each one is agreed in a written proposal before work starts.
- Fixed-scope project
We deliver a defined .NET build or upgrade.
- SynconAI directs the work to agreed milestones
- Billed by milestone, as set out in the proposal
- Working code, tests and documentation
- Fits a .NET 10 upgrade or a new application
- Dedicated team
A .NET team that works only on your systems.
- You set priorities, our lead runs the team
- Billed monthly for the team
- Engineers, a lead and testing as needed
- Fits a large system with ongoing changes
- Team extension
C# engineers who join your team.
- Your managers direct the day-to-day work
- Billed monthly for each engineer
- Vetted engineers, with employment and replacement handled by us
- Fits teams with a working process that need more hands
Process
How does a .NET engagement start?
Five steps from the first call to working code.
- Brief
- Call about your system and goals
- Repository access or a written scope
- Match or design
- Engineers matched to your stack
- Plan and proposal in writing
- Start
- NDA, access and environments set up
- Solution walkthrough and a first task
- Build and review
- Work shipped in short cycles
- Code review and demos with your team
- Hand over or continue
- Documentation and a handover session
- Or a monthly plan for ongoing work
Cost and timing
What it costs and how long it takes
The review is free
A 60-minute architecture review of your .NET setup, with a written plan you keep.
A fixed-scope proposal first
Before any work starts you get a written proposal: a fixed-scope project with milestones, or a monthly plan. You approve it, or you do not.
Timing follows scope
How long it takes depends on what is in scope. The proposal states the milestones, so you see the timeline before you commit.
Client stories
Client work we have delivered
Real engagements, described by industry. Each story covers the starting position, what we built and how we delivered it, end to end.
Commercial & Business ServicesA Subscription Estimator and Technical Library for Fire Protection ProfessionalsA Next.js web application for a fire protection business: a searchable technical library and estimator with role-based access, manufacturer filtering, PDF output and subscriptions, with AI product identification in development.Next.js · Custom web application · Authentication and roles · SubscriptionsRead the story 
Communications, Media & TechnologyA Bilingual Knowledge Base That Answers Callers During a Major International EventA bilingual English and Japanese knowledge base for contact centre operators at a major international event: live answer suggestions, cross-language search with translated embeddings, operator content management and missing-question tracking.Custom AI · Vector search · Translated embeddings · Large language modelsRead the story 
EducationOne Tutoring Calendar Across Salesforce and TeachWorksSalesforce development for an Australian tutoring provider: a custom session calendar, two-way TeachWorks appointment sync, attendance and completion mapping, and session notes into after-session reports.Salesforce Platform · Lightning Web Components · Apex · TeachWorks APIRead the story Client reviews
What clients say about working with our architects
See how teams describe working with SynconAI, from first scope to production delivery.
Salesforce Select Partner30+ Salesforce certificationsDelivery from Delaware & Sydney, worldwide
Simply Outstanding
“SynconAI Consulting are Simply the Best in the Business When it comes to Salesforce implementation and AI-powered solutions, SynconAI are in a league of their own. Their expertise, dedication, and ability to deliver results that truly move the needle sets them apart from every other consulting partner we've worked with. What they achieved with our Sales Cloud, Service Cloud, and custom Agentforce agent has completely transformed how we operate streamlining our pipelines and our customer service, and automating tasks that used to consume hours of our team's time. They don't just implement technology they transform businesses. If you want the best, you work with their team.”
Sales CloudService CloudAgentforce
Jack BennettConsumer Goods & Retail · United States
“I had a very urgent deadline for our project reporting to be delivered and needed to build the module, dashboard and output reports in Salesforce. SynconAI were very responsive - they met with me online, responded to my emails quickly and took calls - whatever was needed to progress the work quickly. We are thrilled with the outcome and will continue to work with SynconAI in the future to continue to build our Salesforce capability and platform.”
Sales CloudService CloudNonprofit Cloud
Salesforce Managed ServicesAustraliaSalesforce Verified
“The team at SynconAI were fantastic, and promptly delivered on each project. They were able to guide us through every stage and made sure we were satisfied with the outcomes on multiple scopes of work.”
Sales CloudSlackFlowAgentforceMuleSoft
ManufacturingAustraliaSalesforce Verified
“They have been great and helping us transform out business by bringing what I conceptualize to life. Great at translating process/workflow needs into a solution. Been a pleasure work with and they're a critical part of our team and will be instrumental into bringing about my vision.”
Sales CloudFinancial Services CloudArchitectureAI
Financial ServicesUnited StatesSalesforce Verified
“Working with SynconAI was a seamless and highly professional experience from start to finish. They took the time to deeply understand our business processes before designing and implementing a Salesforce solution tailored specifically to our operational needs. The team demonstrated strong technical expertise across Salesforce configuration, automation, integrations, reporting, and user experience design.”
SalesforceExperience CloudCustom DevelopmentAutomationReporting
Salesforce ImplementationSalesforce Verified
Frequently asked questions
.NET development, answered.
Straight answers about .NET builds, upgrades, engineers and how the work runs.
Building and supporting applications on Microsoft .NET, usually in C#. We build enterprise web apps and APIs, Blazor front ends, Azure services, background workers and Windows desktop apps.
.NET 8 and .NET 9 both reach end of support on 10 November 2026. .NET 10 is the current LTS, supported to November 2028, and is where we move apps.
As a fixed-scope project with milestones, a dedicated team, or engineers who join your team. Scope, people and billing are agreed in a written proposal before work starts.
Yes. They work in your repositories, standups and code review, and your managers direct the work. We handle their employment and any replacement.
Each engineer goes through a technical interview on C# and ASP.NET Core, a practical code task and a review with a SynconAI lead. You can interview them before they start.
Yes. It connects through Salesforce APIs: the REST and SOAP APIs over HTTP, with OAuth 2.0, called from ASP.NET Core services or background workers.
Our hubs in Delaware and Sydney cover United States and Australian working hours, and we deliver remotely worldwide on your business hours. Overlap hours with your team are agreed before work starts.
.NET, C#, ASP.NET, Blazor and Azure are trademarks of Microsoft Corporation. Salesforce is a trademark of Salesforce, Inc. Other names are trademarks of their owners. SynconAI is an independent consulting firm and is not affiliated with or endorsed by these organizations.
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