How Engineering Companies Manage Project Costing with SAP B1
Why Project Costing Is the Lifeblood of Engineering Companies
Engineering companies — whether they build custom machinery, industrial systems, infrastructure components, or turnkey projects — share a common challenge: every project is different. Unlike repetitive manufacturing where you produce the same product thousands of times, engineering projects are bespoke. Each project has unique specifications, timelines, material requirements, and cost structures.
This means that standard product costing methods do not work. You need project-based costing that tracks every expense — materials, labour, subcontracting, overheads — against a specific project, and compares it to the estimate in real time. Discovering that a project is over budget after it is delivered is not project management — it is post-mortem accounting.
The Project Costing Challenge

Engineering companies in India face several project costing challenges that generic ERPs handle poorly:
Estimation Accuracy
Every project starts with an estimate. The accuracy of this estimate determines whether the project will be profitable. But estimating is inherently difficult for custom engineering work because:
- Material prices fluctuate between quotation and execution
- Design changes during execution alter material and labour requirements
- Subcontracting costs depend on market availability and workload
- Unforeseen technical challenges extend timelines and add costs
Your ERP must capture the original estimate as a baseline and then track actual costs against it throughout the project lifecycle. SAP Business One provides project management functionality that does exactly this — creating a budget baseline at project approval and tracking every transaction against it.
Cost Element Tracking
Project costs in engineering companies typically fall into five categories, each requiring different tracking mechanisms:
- Direct materials: Raw materials, bought-out components, and consumables purchased specifically for the project
- Direct labour: Hours spent by engineers, technicians, and workers directly on project activities
- Subcontracting: Work outsourced to fabricators, machinists, surface treatment vendors, and other specialists
- Direct expenses: Project-specific expenses like testing, inspection, transportation, and site installation
- Overhead allocation: Factory overheads, administrative overheads, and selling overheads allocated to the project
How SAP Business One Handles Project Costing
SAP B1's project management module is designed for companies that need to track costs, revenues, and profitability at the project level. Here is how it works for engineering companies:
Project Structure
Each project is created as a project entity in SAP B1. The project can be broken down into stages or phases, and each phase can have its own budget, timeline, and cost tracking. For a custom machine-building company, a typical project structure might look like:
- Phase 1: Design and Engineering
- Phase 2: Procurement
- Phase 3: Fabrication and Machining
- Phase 4: Assembly and Wiring
- Phase 5: Testing and Quality Assurance
- Phase 6: Packing and Dispatch
- Phase 7: Installation and Commissioning
Material Cost Tracking
When materials are purchased or issued from stock for a project, the cost is automatically allocated to the project. SAP B1 supports:
- Project-linked purchase orders: Every PO is tagged to a project, and the cost flows to the project upon goods receipt
- Stock issue to project: When materials are issued from general stock, the system records the actual cost (FIFO, weighted average, or batch-specific) against the project
- Material returns: If surplus material is returned to stock, the project cost is credited accordingly
- Price variance tracking: Differences between estimated and actual material prices are highlighted for management attention
Labour Cost Tracking
Engineering projects consume significant labour hours. Tracking these hours and their costs per project is essential for profitability analysis and future estimation accuracy. SAP B1 supports timesheet-based labour cost allocation where employee hours are recorded against specific projects and phases.
A precision engineering company in Coimbatore that builds custom SPMs (Special Purpose Machines) reduced their project cost overruns from an average of 14% to under 4% within two years of implementing project-based costing in SAP B1. The key was real-time visibility into material and labour costs versus estimates.
Subcontracting Cost Management
Engineering companies frequently outsource specific operations — CNC machining, welding, surface treatment, electrical panel building. Our Jobwork Addon for SAP B1 integrates subcontracting workflows with project costing:
- Material issued to sub-contractors is costed against the project
- Sub-contractor charges are linked to the project upon receipt of goods and invoices
- Material lying at sub-contractor sites is visible in the project's work-in-progress report
- Sub-contractor delivery performance is tracked against project timelines
Project Profitability Analysis
The ultimate goal of project costing is to understand project profitability — not after the project is complete, but while there is still time to take corrective action. SAP B1 provides:
- Real-time project dashboard: View budget versus actual for each cost element, updated as transactions are posted
- Percentage completion: Track physical progress alongside financial progress to identify projects that are spending faster than they are progressing
- Estimated-to-complete (ETC): Based on actual spending patterns and remaining work, project the total cost at completion
- Variance analysis: Drill down into cost variances by element, phase, or time period to understand where and why overruns are occurring
- Revenue recognition: For projects billed on milestones or percentage completion, the system manages revenue recognition according to accounting standards
Quality Management in Engineering Projects
Engineering projects typically have defined quality checkpoints — dimensional inspection of machined parts, weld quality testing, electrical testing, performance testing, and final acceptance testing. Our QC Addon for SAP B1 supports project-based quality management:
- Define quality checkpoints per project phase
- Record inspection results with dimensional data and test reports
- Gate-based progression — a phase cannot be marked complete until QC clears it
- Customer witness testing documentation
- Non-conformance reports (NCRs) linked to specific projects
Warranty and After-Sales Management
Many engineering projects come with warranty obligations. Equipment breakdowns during the warranty period must be tracked, investigated, and resolved. SAP B1 helps manage warranty by linking service calls and warranty costs to the original project, giving you visibility into the true lifecycle cost of each project.
GST Compliance for Project-Based Companies
Engineering projects involve diverse GST scenarios — purchase of goods and services at various rates, reverse charge on certain services, works contract provisions, and inter-state supply considerations. SAP B1 handles these complexities, and our EInvoice and EWayBill add-ons automate compliance documentation for project deliveries.
Getting Started with Project Costing
If your engineering company is currently tracking project costs on spreadsheets — or worse, discovering project profitability only after final billing — implementing project costing in SAP B1 will be transformative. Real-time cost visibility changes the way you manage projects, negotiate change orders, and estimate future work.
We have implemented project costing solutions for engineering companies building custom machinery, industrial systems, and infrastructure components. Contact us to discuss how SAP Business One can give you the project cost control your business needs.
Indivar Software Solutions
SAP Business One consulting and custom software development since 2009. Offices in India, New Zealand, and the USA.