For many US businesses, the ERP is the backbone of their operations. It manages financials, inventory, purchasing, sales, supply chain processes, projects, and other critical business data.
But an ERP does not necessarily need to be the application that every employee, customer, supplier, or business process interacts with directly.
As organizations grow, they often encounter processes that require a more specialized application experience. A field team may need a mobile application. A warehouse may need a simplified operational interface. A sales organization may need an application designed around a specific workflow. Customers or suppliers may need access to selected business processes without accessing the ERP itself.
This is where Microsoft Power Apps development can provide significant value.
Instead of replacing an existing ERP or continuously adding custom functionality to its core interface, businesses can build purpose-specific applications around their ERP and connect those applications to the systems that already run the business.
For organizations using Microsoft Dynamics 365 Business Central, Dynamics 365 Finance, or Dynamics 365 Supply Chain Management, Power Apps can become an important part of that application strategy.
Your ERP Is the Core. It Doesn’t Have to Be the Entire Application.
A common challenge for growing businesses is trying to make the ERP accommodate every user and every business process.
That approach can lead to increasingly complicated ERP customizations.
Consider a company running Business Central.
The ERP may already manage:
- Financial management
- Sales orders
- Purchasing
- Inventory
- Customers and vendors
- Warehouse processes
- Jobs and projects
- Manufacturing
- Service operations
But that doesn’t mean every employee needs to interact with Business Central in the same way.
A warehouse employee might need a simple mobile application.
A field employee might need to capture information while working at a customer location.
A manager might need a focused approval application.
A customer might need to submit information without accessing the ERP.
A supplier might need to interact with a specific procurement process.
These requirements are not necessarily reasons to replace the ERP.
They may be opportunities to build an application around it.
Power Apps as an Application Layer for Your ERP
Power Apps provides a way to build business applications that can work with existing Microsoft business systems.
The architecture can be relatively simple:
Power App → Business Central
Or it can become part of a broader application architecture:
Power App → API / Integration Layer → ERP → External Systems
For larger or more complex requirements, the architecture can include additional Microsoft technologies:
Power Apps + Power Automate + Business Central/Dynamics 365 + APIs + Azure + External Applications
This allows each component to perform the role for which it is best suited.
The ERP can remain responsible for core business data and transactions.
Power Apps can provide the user experience for a specialized business process.
Power Automate can orchestrate workflows.
APIs can connect systems.
Azure services can provide additional processing and integration capabilities.
Custom software can address requirements that go beyond what a low-code platform is designed to handle.
The result is an extended business application ecosystem, rather than an ERP operating in isolation.
What Can Businesses Build Around Business Central?
The possibilities depend on the business process, but Power Apps can be particularly useful when users need a focused experience that is different from the standard ERP interface.
Mobile operational applications
Businesses with employees working outside a traditional office environment can build applications designed specifically for mobile use.
Examples include:
- Field data collection
- Site inspections
- Inventory activities
- Delivery operations
- Asset information
- Service activities
- Customer visits
- Quality inspections
Instead of asking employees to navigate a full ERP interface on a mobile device, the business can provide an application containing only the information and actions relevant to their role.
Warehouse and inventory applications
A distribution or manufacturing business may have warehouse employees who perform repetitive operational activities throughout the day.
A specialized Power App can provide a focused interface for activities such as:
- Item identification
- Inventory checks
- Location updates
- Data capture
- Operational approvals
- Exception reporting
The application can communicate with the ERP so that the resulting information remains part of the company’s central business processes.
Sales and field applications
Sales teams often need information from the ERP without needing access to every ERP function.
A purpose-built application can bring together customer information, products, orders, activities, and other relevant information into a workflow designed specifically for the sales team.
The same concept can apply to field service and other customer-facing teams.
Approval and employee applications
Not every employee needs to be an ERP user.
A company may want employees to submit:
- Purchase requests
- Expense information
- Equipment requests
- Operational requests
- Approval requests
- Internal service requests
A Power App can provide a simple interface while Power Automate manages the workflow and the ERP remains the system where the relevant business information is ultimately maintained.
Customer and supplier applications
There are also situations where the application needs to extend beyond employees.
Businesses can build applications or connected experiences that expose selected business processes to customers, suppliers, partners, or other external users.
This can reduce reliance on email and manual data entry while maintaining the ERP as the central source of business information.
Beyond Business Central: Power Apps with Dynamics 365 Finance and Supply Chain Management
The opportunity isn’t limited to Business Central.
Organizations using Dynamics 365 Finance and Dynamics 365 Supply Chain Management can also have application requirements that sit outside the standard ERP experience.
For example, a company may have complex operational processes involving finance, procurement, inventory, warehouse operations, or supply chain activities but need a specialized interface for a particular group of users.
Instead of trying to make the ERP interface serve every possible scenario, an organization can consider building an application specifically for that process.
This becomes particularly valuable for organizations with:
- Multiple locations
- Large operational teams
- Field employees
- Warehouse operations
- Complex approval processes
- Specialized industry workflows
- External business partners
- Multiple business applications
The ERP remains the foundation while additional applications address the requirements around it.
Connecting Power Apps to the Rest of Your Business
An application rarely operates in isolation.
A business may already use an ERP alongside CRM, e-commerce, websites, data platforms, document management systems, or other specialized applications.
For example, a US retailer might have:
E-commerce platform → Power App → Business Central → CRM
A manufacturer might have:
Power App → Business Central → Warehouse → External logistics system
A field organization might have:
Mobile Power App → API → Dynamics 365 → Power Automate → Customer communication
The architecture depends on the specific business requirement.
This is why Power Apps development should not be viewed simply as building screens and forms.
The more important question is:
How should the application communicate with the systems that already run the business?
Power Apps Development Doesn’t Mean Everything Has to Be Low-Code
Low-code development is one of Power Apps’ major advantages, but enterprise application development can require more than the Power Platform alone.
Some requirements are straightforward and can be handled effectively using Power Apps and Power Automate.
Others may require:
- Custom APIs
- Business Central extensions
- Azure Functions
- External services
- Advanced integration logic
- Custom software components
- Event-driven processing
- Specialized data processing
In these situations, a hybrid architecture may provide a better solution.
For example:
Power Apps can provide the user interface.
Business Central can manage ERP transactions and business data.
Power Automate can handle workflow orchestration.
Azure Functions can perform specialized processing.
APIs can provide communication between applications.
Custom software can handle functionality that requires a more traditional development approach.
This is where experience across both Microsoft business applications and custom software development becomes important.
When Should You Build a Power App Instead of Customizing the ERP?
Not every requirement should become a Power App.
Sometimes the correct solution is to extend Business Central or Dynamics 365 directly.
Sometimes Power Apps is the better choice.
Sometimes a custom application makes more sense.
And sometimes the best architecture combines all three.
A useful way to approach the decision is to consider where the requirement belongs:
| Requirement | Potential approach |
|---|---|
| Change to an existing ERP business process | ERP configuration or extension |
| Specialized user experience | Power Apps |
| Mobile operational application | Power Apps |
| Cross-system workflow | Power Apps + Power Automate/integration |
| Complex external processing | APIs / Azure |
| Highly specialized application | Custom software |
| Large solution spanning multiple systems | Hybrid architecture |
The goal should not be to force every requirement into a particular technology.
The goal is to choose the architecture that solves the business problem effectively while protecting the organization’s existing technology investment.
Why This Matters for US Businesses Already Invested in Microsoft Dynamics
Many US companies have already made significant investments in Microsoft Dynamics.
Replacing an ERP because a particular business application is missing can be an unnecessarily expensive and disruptive decision.
At the same time, continuously adding unrelated customizations to the ERP can make the system increasingly difficult to maintain.
Building applications around the ERP provides another path.
Businesses can retain their existing ERP investment while introducing new capabilities where they are needed.
This can be especially useful for organizations going through growth, acquisitions, digital transformation, or process modernization.
Instead of asking:
“Do we need a new ERP?”
the question can become:
“What application capabilities are missing from our current business platform?”
That change in perspective can open up significantly more options.
Where Allgrow Can Help
Building a useful Power App is only one part of the solution.
The more important work often happens before development begins: understanding the business process, determining where the application should sit within the existing architecture, and deciding how it should communicate with the ERP and other systems.
At Allgrow, we work across Power Apps, Microsoft Dynamics 365, Business Central, Finance, Supply Chain Management, Power Automate, APIs, Azure, integrations, and custom development.
This allows us to approach an application requirement from the perspective of the complete business system rather than treating Power Apps as a standalone tool.
Depending on the requirement, we can help with:
- Business application architecture
- Power Apps development
- Business Central integration
- Dynamics 365 Finance integration
- Supply Chain Management integration
- Power Automate workflows
- API development
- Azure-based services
- ERP extensions
- Custom software development
- Integration with external business applications
- Ongoing application and ERP support
The objective is to build a solution that fits into the customer’s existing technology environment.
Build Around Your ERP Instead of Working Around It
Your ERP is responsible for some of the most important information and processes in your business.
But that doesn’t mean the ERP has to be the only application your employees use.
For businesses using Business Central, Dynamics 365 Finance, or Supply Chain Management, Power Apps can provide a way to build specialized applications around the existing ERP and connect those applications to the broader technology landscape.
The result can be a more flexible business platform:
ERP for the core.
Power Apps for specialized applications.
Automation for workflows.
APIs and Azure for connectivity and extension.
Custom development where the business requires it.
For US businesses looking to get more from their existing Microsoft investment, the opportunity isn’t necessarily to replace the platform.
It may be to build what is missing around it.
Looking to extend your Dynamics 365 environment?
Allgrow can help you evaluate whether your requirement is best addressed through Power Apps, an ERP extension, integration, Azure development, custom software, or a combination of these technologies.
Talk to Allgrow about building a business application around your existing ERP.
Yes. Power Apps can be used to build business applications that work with Business Central data and processes. The appropriate integration approach depends on the application requirements and can involve connectors, APIs, Power Automate, or custom integration components.
Yes. Power Apps can be used to create purpose-built applications around Dynamics 365 Finance and Supply Chain Management. This can provide specialized experiences for employees, operational teams, customers, or other users while the Dynamics 365 platform continues to manage core business processes and data.
Power Apps can be used for many business scenarios, including warehouse applications, field applications, employee request and approval applications, sales applications, customer-facing applications, supplier applications, and specialized operational applications.
Not necessarily. If your ERP already handles your core business processes, a purpose-built application can often be developed around it. Power Apps, integrations, ERP extensions, Azure services, and custom software can be used to add capabilities without replacing the underlying ERP.
It depends on the requirement. Changes to core ERP functionality may be better handled through Business Central configuration or extensions, while a specialized user experience may be better suited to Power Apps. More complex requirements may require APIs, Azure services, or custom software. The right approach should be determined by the business and technical requirements rather than by the technology alone.
Yes. A Power App can be part of a broader integration architecture connecting ERP systems with CRM platforms, e-commerce systems, databases, APIs, and other business applications. The specific integration architecture depends on the systems involved and the business process being addressed.
Yes. Allgrow can help businesses assess their requirements and determine whether Power Apps, an ERP extension, integration, Azure development, custom software, or a combination of these approaches is appropriate. We can also develop and integrate the resulting business application with the existing Microsoft Dynamics environment.
Yes. US businesses already invested in Business Central, Dynamics 365 Finance, or Supply Chain Management can use Power Apps to address specialized application requirements while continuing to use their existing ERP investment as the foundation for core business operations.
