Estimate versus actual, job by job
Comparing quoted hours and materials against what was consumed turns estimating from an art into a process that improves with every project.
ERP for Engineering
Why an ERP is best practice for engineering firms
A practical look at what an ERP does for an engineering business, where the value sits, and how to choose a platform that handles project costing, bills of materials and change control together.
Overview
What an ERP does for an engineering firm
Engineering work is estimated on assumptions and delivered against reality. The gap between the two is the margin, and it's usually only measurable if design, purchasing, production and finance are looking at the same record.
An ERP (enterprise resource planning system) connects project budgets, bills of materials, purchasing, labour and financial reporting so the cost of a job is known while it's still being built.
It doesn't replace CAD or PLM. It takes the bill of materials from design and turns it into procurement, production and cost.
For most engineering firms, an ERP is where the following live:
Benefits
Why your engineering business needs an ERP
The value isn't in the accounting. It's in closing the loop between what you estimated and what the job really cost.
Design changes carried through to cost
A revised bill of materials updates purchasing and cost, so the commercial impact of a change is known when it's approved rather than discovered later.
Long lead items ordered on time
Requirements planning against the project programme means the six-week casting is ordered in week one instead of week five.
One record from quote to delivery
Quote, order, build, despatch and invoice against the same job removes the rekeying that causes most of the errors between departments.
Traceability when it's asked for
Serial and batch history through the build supports warranty, quality and customer audit requests without a search through paperwork.
Margin visible by product and customer
Knowing which product lines and which customers actually pay their way changes what you quote for and what you politely decline.
ERP stats
Why your engineering business needs an ERP
Data taken from a survey we commissioned in December 2024. Click here to view
0%
of businesses are utilising an ERP
0 in 0
businesses are dissatisfied with their current ERP
0%
of businesses say using an ERP has contributed to achieving business outcomes
In practice
What this looks like in engineering
Six everyday situations where one connected system changes the outcome.
01
An order is won
The quote becomes the project budget with its bill of materials and labour plan, so purchasing and the shop floor work from the same numbers.
Choosing an ERP
What to look for when comparing ERP platforms
Engineering combines project work with manufacturing, and few generic systems handle both. These are the questions worth asking before you shortlist.
Does it cover the whole operation?
Finance, purchasing, stock, projects and reporting should sit in one system. Anything left in a spreadsheet quickly becomes the version everybody argues about at month end.
Does it fit how you actually work?
A system designed for a different sector rarely suits engineering firms. The platform should reflect your real processes, approvals and cost structures rather than forcing a rewrite of how you operate.
Can you close and report faster?
Consolidation, reconciliation and management reporting should be routine rather than a fortnight of manual work. Ask to see a month end demonstrated, not described.
Does it stand up to audit?
Role-based permissions, approval workflows and a complete audit trail should be built in, so compliance is a by-product of daily work rather than a separate exercise.
How long until it is live?
Cloud platforms with standard processes go live in weeks rather than years. A long implementation is usually a sign the system is being bent into shape.
Will it grow with you?
New sites, entities, currencies or product lines shouldn't need a replacement system. Check licensing and functionality for where you expect to be in five years.
Our recommendation
Introducing Business Central - the perfect ERP for engineering
Once you know what an ERP should do, the question becomes which platform fits how your teams already work. Microsoft Dynamics 365 Business Central brings finance, manufacturing, projects and reporting into one cloud system connected to the Microsoft tools you already use.
For engineering firms that means bills of materials and production orders, project and job costing, requirements planning for long lead items, serial and lot traceability, and Power BI dashboards for margin by project and product.
It's modular, so you can start with finance and job costing and add manufacturing, warehousing or Dynamics 365 CRM later - without another migration as the business grows.
Why Business Central
The features that make Business Central the right fit
It isn't just an accounting package. These are the capabilities teams tell us make the biggest difference day to day.
Finance and reporting in one place
Ledgers, budgets, cash flow and management reporting run from the same data, with Power BI dashboards leadership can open themselves rather than waiting for a pack.
Copilot built in
AI drafts descriptions, reconciles bank entries, chases anomalies and answers questions about your data, taking a chunk of routine admin off the finance team.
Native Microsoft 365 connection
Approvals, quotes and reports work inside Outlook, Teams and Excel, so people use the tools they already know instead of learning another interface.
Automation without developers
Approvals, alerts and handovers can be automated with Power Automate using low-code tools your own team can maintain.
Security and audit trails
Role-based access, approval limits and full traceability protect the financial and operational data engineering firms are accountable for.
Modular and scalable
Start with finance and operations, then add supply chain, projects, service or Dynamics 365 CRM as you grow - without another migration.
FAQ
Frequently asked questions
No. Design stays where it is. The ERP takes the bill of materials and turns it into purchasing, production, cost and financial reporting, with an integration between the two where useful.
Yes, but test it. Project-based manufacturing with a bill of materials that evolves during the job is a specific requirement worth seeing demonstrated on your own example.
Indirectly and significantly. Actual cost captured against each job gives you real data to estimate from, which is usually a bigger improvement than any estimating tool.
No. Job costing and standard manufacturing can run side by side in one system, sharing the same stock and ledger.
Yes. It's licensed per user per month and includes manufacturing and job costing, so you're not paying enterprise pricing for capability you'd otherwise buy as separate modules.
Enquiry form
Not sure which ERP is right for your engineering business?
Tell us how projects, purchasing and production costing work today and we'll talk through what an ERP would change, which capabilities matter most and where to start. No obligation, just a straight conversation.