An Ultimate Guide to Building a Custom ERP Solution for Your Business

What if there was a single software solution that could transform the way every department in your business works together? Imagine a tool that seamlessly integrates accounting, HR, inventory, order management, and customer relationships into one streamlined system. That’s exactly what ERP systems do—and they’re quickly becoming a must-have for companies aiming to stay competitive in the market.

The global ERP software market is predicted to grow to about $101 billion by 2026. Among IT decision-makers, more than half consider ERP as a priority investment. Across all industries, 50% of companies plan to implement or upgrade their ERP systems in the near future. These statistics demonstrate the immense potential and enterprise resource planning benefits for businesses. 

However, years of experience in software development taught me that when it comes to technologies such as ERP, the reality is a bit more challenging. The lack of flexibility in ready-to-use ERPs, their high licensing costs, and limited scalability are the common challenges that companies face when seeking to incorporate them into their operation. Based on my experience, customized solutions ensure better ERP scalability and growth adaptability. 

In this comprehensive guide, I touch on all major aspects of custom ERP development, including planning, designing, and executing the project. I also share my knowledge of the best practices and considerations for creating a system that improves your business operations and is actually worth your money. 

Why Build a Custom ERP Solution?

There are two main approaches to ERP software development: out-of-the-box and custom. The former is a popular choice for companies looking for a quick, cost-effective solution that can be incorporated right away. Out-of-the-box ERPs are often purchased from third parties when a company does not have the time or money for ERP development services.

The problem with this seemingly perfect option is that it offers little to no flexibility. Since out-of-the-box solutions are created with a wider audience in mind, they rarely meet the unique needs of a specific company. As a result, clients often face problems with integration and customization. 

In contrast, custom ERP software development involves the creation of software designed for a specific company. Custom-built ERP solutions are much more functional and have a wide array of easily scalable features.   

How to Know If Your Business Needs Custom ERP Software vs Ready-Made Solution

Each of the two options has its advantages. While out-of-the-box options are cheaper and instantly available, those tailored to a specific business are more scalable, secure, and flexible. So, how to make the right choice?

Based on credible research and my experience in the field, I can confidently claim that both solutions can be useful when chosen wisely. If your company is small and has a limited budget, you will likely be unable to afford ERP development services. In such cases, ready-to-use ERP solutions can be a real boon.

However, if you are looking to build a more sustainable and competitive business, I would recommend considering custom software. An ERP software specifically created for your business adapts to your unique processes instead of forcing you to adapt to software. It is also more scalable, which means that it can grow with the business without costly upgrades or forced migrations. Scalability can also work the other way around, meaning that the software can be sized down if you choose to reduce the scope of your company’s operation. 

Another great thing about customized ERP software development is that the final product easily integrates with any software, including CRM, eCommerce, or industry-specific tools. As such, a tailored ERP system lowers operational costs and reduces reliance on third-party software vendors. If any of the advantages described are vital for your business strategy, you will likely benefit from custom-made ERP software. 

Key Components of a Custom ERP System

The basic functionality of custom ERP software is generally the same. It must include the core ERP software modules without which the company’s operation would be impossible. These encompass the following:

• Financial Management. A financial module is designed to enable easier asset management, reporting, and decision-making. 
• HR Management. This module is all about managing employees. It includes functions such as recruitment, team functionality, payment processing, and others. 
• Inventory and Supply Chain Management. If your company operates in a logistics, manufacturing, or retail industry, you need this ERP module to manage the goods and keep track of every activity in your supply chain. 
• Customer Relationship Management. This ERP element concerns everything related to your interaction with customers. Information related to transaction history, purchase history, and any other interactions between your company and clients can be effectively managed here to make more informed marketing and strategic decisions. 
• Project Management. A custom-made ERP solution can also help automate time-consuming tasks in project management. 
• Business Intelligence and Analytics. An ERP solution can bring all data together, enabling more sophisticated data analytics. As a result, the business can make more informed decisions and promote evidence-based innovation. 

Other modules that can be included are the R&D module, service module, and sales module. The best thing about customized ERP application development is that the client can choose the modules that work for them. As a result, the product does not have any cumbersome features that only increase its cost without adding value. 

The Main Challenges of Existing Solutions on the Market

In order to choose an ERP system, I always recommend that my clients check the ready-to-use solutions available on the market. Companies such as Microsoft, NetSuite, Sage, SAP, and others offer these at competitive prices to enable businesses to incorporate them quickly into their operation. 

These are all cloud-based ERP solutions, mostly designed for small-to-medium-size companies. Their monthly and annual subscription costs vary depending on the type of solution chosen (e.g., basic or professional). Below is the table summarizing the main features of these ready-made software options.

Based on my communication with experts and my own experience working with these tools, I can say that they have two major drawbacks. First is the lack of flexibility despite the existence of various packages. No matter how ready-to-use solutions are diversified, they can never fit a company’s business needs perfectly. 

Second is the failure to meet the needs of startups and businesses occupying narrow niches in their industries. According to ERP system statistics 2024, only three percent of companies consider standard functionality for their ERP solutions sufficient for meeting all their needs. These findings demonstrate a strong preference for software that is tailor-made, customizable, and industry-specific. 

As someone who witnessed the extreme diversity of fintech consulting companies’ clients, I can confidently claim that only custom-made software can deliver the needed level of customization and flexibility. For example, clients representing the pharmaceutical and healthcare industries need compliance and regulatory ERP features. Agriculture-related businesses, in turn, may benefit from automated equipment management, crop scheduling, and weather forecasting. Existing solutions can only fine-tune their products to a certain degree, but it is often not enough. 

Basic ERP Features List

Before I dive into the ins and outs of how to build an ERP system, it is useful to go through the main features that it must contain:

• A shared database. All data must be stored in one place so that employees from all departments can have a clear vision of the general state of things. This is achieved with the help of data analysis. It gives a real-time assessment of the company’s operations and informs more meaningful decisions. 
• Automation. One of the main reasons why companies incorporate ERP solutions is to automate repetitive, time-consuming tasks. For example, payrolls can be automated to help accountants focus on other tasks. 
• Integration. A tailored ERP system must also easily integrate with other software and programs that the company uses. This ensures smooth data communication through departments and across different areas. 
• Consistent UI/UX. A well-designed ERP must create a consistent UI/UX experience for all employees using it. The software must look and operate the same for everyone in order to facilitate information sharing. 

ERP Development Process: Step-by-Step

Assessment of Needs

ERP creation follows a rigorous methodology, which ensures that the final product meets all needs and expectations. A typical ERP development lifecycle begins with the assessment of business needs, which the client must perform. They determine pain points and goals and set measurable goals that they then present to the selected tech partner. 

In my experience, clients who neglect this phase risk losing much time and money. So, I recommend clearly understanding one’s needs before reaching out to someone for ERP software development services. One of the best practices is to collect feedback and suggestions from different departments to understand what they really need. 

Determining ERP Type

Then, the core features of the solution need to be determined. For example, the client decides whether they need on-premise, cloud, or hybrid ERP software. Cloud-based software is accessed over the internet and hosted by a third-party vendor. The client does not need to install, update, or maintain the software, which decreases costs. However, it also gives them less control over security and customization.

Alternatively, on-premise ERP deployment requires hardware and servers that the company must maintain on its own. Naturally, this implies higher investment and expertise. As the name suggests, a hybrid option is a combination of the two that gives a business a certain degree of control over some of the most sensitive data. However, it is also technically tricky due to potential integration challenges. 

Determining Core Features

The next step is to narrow down the list of features. Software cost estimation will largely depend on what features are required and their technical complexity. I highly recommend choosing those you really need rather than those your competitors use. The key to maximizing the effect of having an ERP is to make it truly customized. The same is true for front-end and back-end technologies that will be the backbone of your solution. But don’t worry; it is the developer’s responsibility to choose an operating system, web server, caching system, and programming language.  

Product Development

Your ERP solution finally takes shape during the subsequent stages of UI/UX design and development. These are the most technologically challenging and time-consuming steps. Every element of the system needs to be created and tested, including the admin platform, user profiles, data visualization, data analysis, and reporting (as initial steps). Later on, each module is added like pearls on a string, allowing developers to create an ERP adjusted to your company’s needs. 

Given the complexity of the work, I suggest engaging a reputable ERP software development company. Choose developers that can provide a portfolio of their products. This will allow you to evaluate the quality of their work, at least from a visual perspective. 

Integration, Testing, and QA 

When the ERP is ready, the developer integrates other software into it (e.g., G Suite, Office 365, SAP, Jira, Salesforce, FreshBooks, etc.). They rigorously test the product afterward to collect feedback and address any remaining technical drawbacks. Last but not least, the developer also offers maintenance and support services. These are needed to address any technical problems that arise when using the ERP software on a daily basis. 

Integrating Your Custom ERP with Existing Systems

Although I’ve already mentioned the importance of integration, I want to dwell on it a bit more because this ERP feature is extremely important. The main idea behind integration is to make sure that the software and technologies you used before will become part of the new ERP system. For example, you might need services like G Suite, Office 365, and others to be incorporated into the newly deployed ERP software. More importantly, you also need your data to migrate safely and fully to the ERP. 

This is where the software developer’s expertise and skills are particularly important to prevent data loss and duplication. Developers will use different APIs to connect ERP with other software, like CRM or financial platforms. Ideally, your employees should not experience any challenges with using already familiar software after the ERP deployment. 

Moreover, your developers may customize some system elements by manipulating APIs and source code. This process is usually time-consuming, but it will make your ERP truly functional. 

How Much Does It Cost to Build a Custom ERP System?

The cost of a functional, customized ERP solution varies considerably depending on many factors, such as the client’s expectations, selected features, and nuances of the industry. Based on my experience, these are the main determinants of the cost:

• The number of required features
• Deadline
• Project complexity (e.g., the need to integrate multiple software)
• The expertise and skills of the development team 

Customers often think developers do not reveal the final price to avoid scaring off potential clients. In reality, the price may differ so much that there is simply no point in providing even approximate calculations, as these can vary from $20,000 to more than $350,000 per project. 

So, I always tell my clients to contact us for more details on the actual cost of our ERP software development services. We provide a detailed breakdown of every activity, the time needed to complete each, a list of experts who need to be involved, and the average cost of their work per hour. This transparent pricing policy ensures that you know for sure what you are paying for and can make an informed decision. 

Conclusion

If you’re planning ERP software development, finding a reliable provider is key to success. The RNDpoint team has vast experience designing ERP software for companies in various industries, from fintech to commerce. We can help you determine the optimal set of ERP modules and features and lead you through every step, from planning to deployment. 

Our expertise is not limited to ERP solutions. For example, we provide consultations on how to create a low-code mobile app development platform. Our software discovery phase service aims to help clients determine whether their business idea is viable and design a workable development roadmap. Contact our customer support team for more details on how we can meet your unique needs.