1. What Is ERP?
ERP (Enterprise Resource Planning) – an enterprise resource planning system – is a management platform that connects a company's entire operations, processes, and data within a single system. Put simply, each department typically uses its own separate software, which creates "data silos" – fragmented, unsynchronized data. ERP exists precisely to bring all of a company's operations together into one unified system, keeping information flowing end-to-end, improving operational efficiency, reducing errors, and increasing transparency in management.
Learn what ERP is
What is ERP? The core modules of an ERP system
Some of ERP's core modules include:
- Financial and accounting management;
- Production management;
- Sales management;
- Inventory management;
- Supply chain management;
- Customer relationship management (CRM);
- Human resource management, and more.
Cloud ERP is a different version of ERP, deployed and hosted on the vendor's own cloud infrastructure (cloud-native). This model lets companies use the full range of ERP management features without having to invest in their own infrastructure.
Today, many companies are moving toward a leaner approach that prioritizes sustainable growth and deep technology adoption in their operations. For this reason, Cloud ERP is increasingly seen as the natural choice for optimizing resources, boosting efficiency, and positioning the business for future breakthroughs.
According to IDC, modern companies are shifting strongly toward SaaS and Cloud ERP models as the core infrastructure of their digital transformation strategy. IDC notes that this shift helps companies:
- Reduce infrastructure investment costs;
- Accelerate deployment speed and scalability;
- Adopt new technologies more easily (AI, automation, ESG, etc.);
Learn more about what SAP Public Cloud is
2. The Evolution of ERP: From MRP Systems to Cloud ERP
ERP is the result of decades of research and development in enterprise management technology. Starting in the 1960s with the first Material Requirements Planning (MRP) systems, ERP has continuously expanded through each successive era. In particular, the emergence of Cloud ERP opened a new era in management. The table below summarizes the key milestones in ERP's development:
The stages of ERP's evolution
| Period |
Term |
Characteristics |
Significance |
| 1960s–1970s |
MRP – Material Requirements Planning |
- A material planning system for raw material requirements.
- Focused on optimizing inventory, production planning, and material supply.
|
- The first foundation for manufacturing automation; helped companies plan based on data rather than intuition.
|
| 1980s |
MRP II – Manufacturing Resource Planning |
- Extended MRP's scope into human resources, production capacity, finance, and shop-floor control.
|
- Laid the foundation for "Enterprise Integration" – connecting multiple departments and processes.
|
| 1990s |
ERP – Enterprise Resource Planning |
|
- ERP became the core system in enterprise management.
- Paved the way for the ERP II trend.
|
| 2000s |
ERP II – Extended & Internet-enabled ERP |
- ERP was extended and connected to the Internet.
- 3-tier architecture (Web Portal – Application – Database).
- Major vendors: SAP, Oracle, PeopleSoft, JD Edwards, Baan.
|
- From internal ERP → ERP connecting the entire value chain (Collaborative ERP).
- Set the stage for later Cloud ERP models.
|
| 2014s |
In-memory Database / Cloud Era |
- Gartner (2014) introduced the concept of "Postmodern ERP": a system that flexibly connects "ERP modules" with extension applications on the Cloud.
- SAP launched S/4HANA (2015) with the in-memory HANA database, processing data in real time.
|
- Increased flexibility and integration capability; ERP gradually evolved from a system into a platform.
|
| 2020s–Present |
Intelligent ERP |
- ERP evolved into the Composable ERP model – flexible, modular, API-connected, and running on the cloud (SaaS).
- Integrating AI, RPA (process automation), ESG, and more.
|
- ERP became an Intelligent Enterprise Platform.
- Moving toward Clean Core, Fit-to-Standard, and real-time automation, prediction, and adaptability.
|
3. On-Premise vs. Cloud Compared Across 10+ Practical Dimensions
| Criteria |
On-Premise |
Cloud |
| 1. Initial Investment Cost |
Companies invest in hardware infrastructure, software, and licenses (a CAPEX – capital expenditure model).
This model suits companies that want to control resources and manage a long-term budget.
|
Companies pay flexibly based on usage (an OPEX – operating expenditure model),
optimizing budgets and reducing upfront costs.
|
| 2. Technology Update Capability |
Technology upgrades typically need to be carried out periodically, depending on the system infrastructure and data.
The company itself is responsible for updates to optimize performance.
|
The system is automatically updated by the vendor (every 3–6 months),
quickly integrating new technologies such as AI, IoT, and Machine Learning.
|
| 3. Infrastructure & IT Resource Management |
The company directly manages infrastructure, network security, and system maintenance,
suited to organizations with a dedicated IT team.
In addition, the company needs to invest further in a DR Site (disaster-recovery infrastructure) to ensure continuity in the event of a disruption.
|
The service provider takes full responsibility for infrastructure, security, and maintenance – reducing the burden on the company's IT staff and lowering operational risk.
|
| 4. Implementation Time |
Medium to long-term. Implementation projects typically take 8–12 months,
suited to companies that need extensive customization and deep integration.
|
Fast. Implementation time is shortened (4–6 months for core modules)
thanks to a standardized deployment model and pre-built processes.
|
| 5. Scalability |
Can be scaled, but requires additional investment in infrastructure and resources.
Changing scale requires a clear technical plan.
|
Can be scaled easily and quickly according to business needs.
|
| 6. Customization Capability |
Offers deep customization, suited to companies with unique processes.
However, it must be tightly managed to avoid compromising future upgradability.
|
Clean Core. Customization is limited, with a focus on applying
Best Practices (Fit-to-Standard), using a
side-by-side deployment model (parallel extension) through another platform.
|
| 7. Process Management & Standardization |
Processes are built specifically for the company, offering an advantage but with a tendency toward disconnect between departments.
|
The system provides processes based on international best practices,
keeping data and operations synchronized end-to-end.
|
| 8. Security & Risk |
The company controls all of its data and can apply internal security policies tailored to its own requirements.
|
The system complies with GDPR, ISO 27001, SOC 1/2/3 standards,
ensuring high availability (99.7% SLA) and automatic security updates.
|
| 9. Data & Platform Integration |
Integration requires manual configuration and periodic testing.
|
Connects ERP, CRM, and IoT systems, with data centrally exploited on a Data Cloud.
|
| 10. Implementation Mindset |
Companies typically prioritize investment control, following a traditional deployment model with heavy customization.
|
Companies should start with a small scope (scope items)
covering a few core modules to achieve an early return on investment (Quick Win),
then expand gradually.
|
| 11. Innovation & Technology Updates |
Companies typically customize the system around existing processes,
which makes upgrades difficult and slows down innovation.
|
Technology innovation is tightly tied to the vendor's update cycle – ensuring the company continuously gets access to new versions.
|
4. The Benefits of Cloud ERP in Enterprise Management
4.1 Reducing Infrastructure and Server Costs
Deploying ERP on the Cloud lets companies eliminate physical infrastructure investment entirely — servers, storage devices, and data centers. Instead of a large upfront investment in servers, licenses, and system maintenance, companies simply pay a flexible subscription fee based on the number of users.
The vendor takes full responsibility for the cloud infrastructure — from operations, security, and backups to system updates — easing the burden on the internal IT team, while cutting total cost of ownership (TCO) by 30–50% compared to an on-premise ERP model.
4.2 Saving Resources & Time
Instead of the traditional approach that requires a large investment done all at once, Cloud ERP is rolled out in small pieces (scope items) and by process flow. Companies can start with priority modules or core scope items such as Finance, Procurement, Sales, and Production, then expand from there.
In addition, resources such as hardware, maintenance, backups, and upgrades are handled by the vendor — reducing the workload on the internal IT team.
4.3 Cloud ERP as the Foundation for Deploying AI
With its cloud-native architecture and access to data from across the enterprise system, Cloud ERP can harness the power of AI Agents in management. The system allows AI to be integrated for in-depth analysis, instant action recommendations, and context-aware dashboards spanning the entire business process.
According to IDC's forecast, by 2027 more than 65% of global companies will be running on Intelligent ERP platforms — ERP with AI built in — with Cloud ERP serving as the backbone that helps companies modernize processes, exploit data, and scale AI adoption across the entire organization.
See a demo of AI integrated into the SAP Cloud ERP system, as shared by our experts:
4.4 Flexible Scalability
One of Cloud ERP's standout advantages is its flexible scalability, which lets companies adapt quickly to changes in size, demand, and growth rate without being constrained by technical infrastructure.
According to Citek's experts, drawing on real implementation experience, companies can still extend their SAP S/4HANA Public Cloud system in two ways:
- In-app extensibility (customizing directly within the cloud system);
- Side-by-side extensibility (extending via a separate application on SAP BTP) → ensuring flexibility while preserving the cloud system's stability.
Learn what SAP BTP is
4.5 Security Capability
IDC warns that "regulatory flux" is the number one concern for companies worldwide.
Three core reasons systems remain vulnerable to attack:
- Fragmented data & weak access control: operational data is scattered across multiple internal servers;
- Failure to meet international standards (GDPR, NIS2): most systems were not designed to meet the European Union's (EU) data security regulations
- Limited capacity to respond and patch vulnerabilities: every software or operating-system update has to be applied manually, creating major openings for ransomware and insider attacks.
With a solution such as SAP S/4HANA Public Cloud, most infrastructure, maintenance, backup, and security-patching risks are transferred to SAP, whose server infrastructure is built to a multi-layered security standard that strictly complies with rigorous international regulations: GDPR (EU), the NIS2 Directive (EU), ISO/IEC 27001, SOC 1/2/3, and more.
Learn what SAP is
4. Key Questions to Help Leaders Define Their ERP Transformation Roadmap
4.1 What Should Leaders Keep in Mind Before Starting Their Transformation Journey?
Big-picture thinking – choosing a platform and shaping a long-term technology foundation
Before choosing a solution, a company needs an overall vision of its technology architecture and long-term development direction. This holds true whether the company wants to replace an old system, is scaling up, or is starting its digitization journey from scratch.
Factors to consider holistically:
- Choosing a platform (On-premise or Cloud): Leaders need to assess technology trends, the ability to scale and adapt, and operational challenges over the next 3–5 years. Cloud ERP offers flexibility, fast updates, and lower infrastructure costs, while On-premise has the edge in control and customization — though it comes with limitations in the long run.
- Defining a long-term platform: The chosen platform must be able to sustain the company for the next 5–10 years, robust enough to integrate new technologies (AI, IoT, Data Platform, etc.) and to scale applications quickly as the company grows.
Defining the roadmap and the solution
Once the technology platform is clear, the next step is to determine the right solution and an implementation roadmap suited to the company's industry. Choosing the right solution at this early stage helps optimize both cost and project timeline.
Factors to consider:
- Industry-specific solutions: Companies need to choose an ERP system that can handle their specific business requirements. For example, discrete manufacturing is entirely different from process manufacturing; B2B and B2C businesses have very different CRM requirements.
- Building a long-term roadmap: Companies should plan their system's development with a 5–10 year vision, with clearly defined expansion phases, to avoid having to switch platforms once they've already scaled up.
Choosing a partner
- Industry and business knowledge: A partner with deep expertise in the company's field, one that understands its specific operations and key processes.
- Cultural fit: An ERP project is unlikely to succeed without alignment in mission and culture between the partner's team and the company.
4.2 When Is the Right Time to Move to Cloud ERP for Companies Still on On-Premise Systems?
Tran Tinh Minh Triet – Solution Director, SAP Vietnam shares:
"The turning point for transformation is when a company starts to feel the limits of its current system — when it can no longer keep up with the business's needs."
Three turning points when companies should consider moving to Cloud ERP
- When the cost of maintaining and expanding the system keeps rising, forcing the IT team to spend more resources "keeping the lights on" rather than innovating.
- When the company wants to move faster, adopting AI and real-time data analytics, but the current system is no longer flexible enough to make full use of its data.
- When the current ERP becomes a "bottleneck" to growth and expansion, slowing decision-making, the rollout of new processes, and connectivity across the value chain.
4.3 Does Cloud ERP Work Effectively for Large Corporations with Multiple Member Companies?
Cloud ERP is entirely suitable for large-scale enterprises, provided the roadmap and implementation approach are right. Companies should start with one or a few subsidiaries — units with lean processes, centralized data, and readiness for change — then standardize and gradually roll out across the wider group.
Following best practices for implementing SAP Cloud ERP, in the project Citek delivered for Vinh Hoan Corporation — a leading seafood company with 9 member companies — the group chose a "Clean Core, Fit-to-Standard, Quick Win" model to shorten implementation time and optimize investment costs.
Under this approach, Vinh Hoan began piloting SAP Cloud ERP (SAP S/4HANA Public Cloud) at its member companies TNG (Thanh Ngoc Food) and Sa Giang, to assess effectiveness, process standardization capability, and overall fit. Once these two entities went live successfully, they became the foundation for the group to scale the rollout to its remaining companies, working toward a unified management system built on centralized data.
4.4 How Does Cloud ERP Save Implementation Time?
Deploying ERP on the Cloud significantly reduces both implementation time and infrastructure investment cost. Cloud ERP also shortens implementation time through a "clean core" approach — limiting overlapping customizations to the system and applying standard, industry-specific processes built by the vendor. As a result, companies can start with lean resources and a tight timeline while still seeing operational results and value almost immediately.
According to Mr. Tran Gia Huan – an expert at Citek:
"The key factor is staying focused on the "core business," rather than chasing every ad-hoc request."
- Applying the Clean-Core strategy — identifying the critical 20% of processes to implement first.
For example, choosing the important modules rather than "everything at once."
- Standardizing and leveraging best practices instead of over-customizing —
consistent with the "clean core" strategy for Cloud ERP implementations.
5. Conclusion
As the global shift toward Cloud ERP continues to gain momentum, this model is becoming a strategic choice that helps companies strengthen their competitiveness through flexibility, optimized costs, and continuous innovation powered by real-time data.
As a senior SAP partner in Vietnam, Citek has invested systematically in building dedicated resources for SAP Cloud ERP (SAP S/4HANA Public Cloud). Citek's consulting team is trained to SAP Global standards, with deep implementation expertise and a clear understanding of how Vietnamese companies operate.
Citek recognized by SAP as the best implementation partner for GROW with SAP in Vietnam
This strategy has positioned Citek as a market leader, with a string of successful SAP Cloud ERP projects across sectors including Manufacturing, Plastics & Packaging, Pharmaceuticals, Chemicals, Food & Beverage, Consumer Goods, and Trading. This stands as clear evidence of Citek's pioneering role in partnering with Vietnamese companies on their full-scale digital transformation on the Cloud ERP platform.
