Skip to content

Best Accounting Software for Engineering Consultancy Firms

Managing an engineering office or engineering consulting firm in Saudi Arabia requires more than just outstanding technical expertise. True success requires precise financial management that keeps pace with the complexities of consulting work and the nature of engineering projects, while fully complying with ZATCA requirements. In this article, we review the financial challenges facing engineering offices and how Mezan provides the ideal solution to these challenges.

Last edited: 16 September 2026

  • Tech and Services

Financial Challenges Facing Engineering and Consulting Firms

The nature of work in engineering offices and technical consulting differs from traditional commercial businesses, creating unique accounting challenges that require specialized solutions.

1. Managing Project-Based Revenues

Engineering offices deal with long-term projects that may extend for months or even years. Each project represents a separate financial flow that needs accurate tracking, whether it's designing a residential building, preparing a feasibility study for an industrial project, or supervising the implementation of an infrastructure project. This diversity in projects makes it difficult to track the profitability of each project individually without a specialized accounting system.

Engineering contracts are often linked to specific design phases or completion percentages, meaning billing doesn't occur traditionally but depends on delivering certain outputs such as preliminary designs, executive designs, or supervision reports. Managing this complex financial cycle requires flexibility in the accounting system.

2. Handling Consulting Contracts and Professional Fees

In addition to fixed-value projects, many engineering offices provide consulting services on an hourly basis or fixed monthly fees (Retainer). This diversity in pricing models adds another layer of complexity to the billing and financial tracking process.

3. Managing Subcontractors and Specialized Consultants

Engineering offices rarely execute all aspects of a project internally. Specialized subcontractors are often engaged in areas such as geotechnical studies, topographic surveys, structural design, or electromechanical design. Managing these payments and matching them with their associated projects represents a significant accounting challenge.

4. Delayed Receipt of Receivables

One of the biggest challenges facing engineering offices is the delay in payment of receivables, especially when dealing with government entities or large corporations where the payment cycle may extend for several months. This directly affects cash flow and requires accurate tracking of accounts receivable.

5. Payroll Management for Technical and Administrative Staff

Engineering offices employ a mix of high-cost technical staff such as consulting engineers, architects, and design engineers, in addition to administrative and financial employees. Managing payroll for these diverse categories with different allowances and incentives requires an accurate and flexible system.

6. Tracking Fixed Assets and Technical Equipment

Engineering offices invest in expensive equipment such as surveying and measuring devices, advanced engineering workstations, and specialized engineering software that requires annual licenses. Managing these assets and calculating their depreciation correctly is essential for the office's financial health.

7. E-Invoicing Compliance Requirements

With ZATCA's implementation of e-invoicing requirements, all engineering offices must now issue electronic invoices compliant with Fatoora standards, whether for private sector clients (B2B) or government entities (B2G). Non-compliance with these requirements may expose the office to significant fines.

How Does Mezan Solve These Accounting Challenges?

Mezan is a Saudi cloud accounting system specifically designed to serve small and medium enterprises, offering a comprehensive set of features that meet the needs of engineering offices and consulting firms.

1. Project Management and Cost Centers

Mezan provides a Cost Centers and Projects feature that enables you to track your revenues and expenses for each project separately. You can create a separate cost center for each engineering project, whether it's designing a residential complex, a feasibility study for a factory, or supervising the implementation of an infrastructure project. This allows you to know the profitability of each project accurately and compare performance across different projects.

By linking invoices and expenses to cost centers, you can get detailed reports showing actual costs versus revenues for each project, helping you make better financial decisions and improve pricing for your future services.

2. Flexible Billing Suitable for Consulting Work

Mezan allows you to issue sales invoices and quotations professionally and in compliance with ZATCA. You can easily convert a quote to an invoice with one click when approved by the client.

You can customize invoices to include project details, design phases, or consulting services provided. Thanks to the Custom Fields feature available in advanced plans, you can add additional information specific to your engineering projects such as engineering license number, design phase, or completion percentage.

3. ZATCA-Compliant E-Invoicing

Mezan is fully compliant with e-invoicing requirements from ZATCA. You can easily issue electronic invoices for your corporate and government clients, with full compliance guaranteed with technical and legal standards.

Integration with the Fatoora platform is done in a few simple steps, after which you can issue electronic invoices directly from the system without any additional procedures. This saves you time and effort and ensures you won't face any fines from the authority.

4. Purchase and Supplier Management

Through the Purchase Management feature, you can record all your purchases whether they are services from subcontractors, engineering software subscriptions, or office supplies. You can link each purchase to its relevant project, making it easy to calculate actual costs for each project.

The system also allows you to create Purchase Orders and send them to suppliers before receiving the service or product, helping you organize the purchasing process and internal approvals.

5. Tracking Client Receivables

Mezan provides comprehensive periodic and annual reports that enable you to track receivables from your clients. You can get detailed reports on accounts receivable for each client, with the ability to classify them by due date to accurately identify arrears.

These reports help you make financial follow-up decisions and improve the office's cash flow, which is critically important especially when dealing with clients who are late in payment.

6. Fixed Asset Management

Through the Fixed Assets Module in Mezan, you can register all your assets such as surveying and measuring equipment, vehicles, office equipment, and engineering software. The system allows you to record depreciation or appreciation transactions, ensuring the accuracy of your financial data and helping you plan for future investments.

7. Cloud Access from Anywhere

As a cloud accounting system, you can access Mezan from anywhere at any time, whether you're in the office, at a project site, or working remotely. This feature is especially important for engineers who need to move between different project sites.

Mezan can be used via browser or by downloading the app on mobile or desktop devices, giving you complete flexibility in managing your accounts.

8. Team Collaboration and Permission Management

Mezan allows you to collaborate with team members by adding multiple users and precisely defining their permissions. You can grant the financial manager full permissions, while giving project managers permissions to view financial information for their projects only, and administrative staff limited permissions for data entry.

This ensures the security of sensitive financial information while allowing effective collaboration among team members.

9. Comprehensive Financial Reports for Better Decision Making

Mezan provides advanced periodic and annual reports that enable you to monitor your revenues and expenses in real-time. You can get detailed profitability analyses by project, client, or type of service provided.

These reports help you understand the financial health of your engineering office, identify the most profitable projects, and plan for future growth based on accurate and reliable data.

Try Mezan Free Today

Don't let accounting challenges hinder the growth of your engineering office. Whether you manage an engineering consulting office, architectural design firm, or engineering supervision office, Mezan is the ideal solution for professional financial management that matches your ambitions.

Try Mezan free for 7 days without the need for a credit card, and discover how a specialized cloud accounting system can make a real difference in managing your business.

Book a free business consultation

Tell us about your business. We’ll see if Mezan can help you.

Book your consultation