Billing and Invoicing

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More on the topics that matter to your projects

How Environmental Consulting and Engineering firms can manage markups and eliminate billing errors

Simplifying manual invoicing for remediation Project Management

EVX Software streamlines Remediation Project Management by integrating time, expenses, and billing into one clear workflow. No more manual spreadsheets or missed billable hours.

April 8, 2026

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Why bookkeeping matters for growing and regulated businesses

What is Bookkeeping?

Understanding what bookkeeping is helps firms avoid manual errors, billing delays, and compliance risks. In Environmental Consulting, accurate records protect margins, support audits, and improve project performance BI. It is not just accounting support; it is a core part of managing complex projects responsibly.

February 27, 2026

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What Environmental Consulting and Engineering firms often get wrong about overtime, taxes, and Project Management decisions

Is overtime taxed more?

Overtime pay often feels disappointing once taxes are withheld. This guide explains why overtime is not taxed at a higher rate, how payroll withholding works, and what Environmental Consulting and Engineering firms should watch for when managing overtime through Project Management.

January 16, 2026

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Why this matters for Environmental Consulting and Engineering firms

Gross vs Net Pay: What Environmental Firms Need to Know

Gross pay is not what you keep, and profit is not always straightforward. This article clears up the confusion using practical examples from project-based consulting work. Knowing what your firm earns versus what it keeps is essential in project-based financial management. At EVX Software, we often see Environmental Consulting and Engineering teams track revenue but overlook profitability. That’s where the distinction between gross pay and net pay becomes crucial. Note: In payroll, “gross pay” usually means employee earnings before deductions. In this article, we use it in a project accounting context, more aligned with “gross profit.”If your firm doesn’t track both gross and net at the project level, you’re missing out on visibility that affects pricing, hiring, and long-term sustainability.

November 28, 2025

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Long-term projects require flexible rate schedules

Managing rate schedules for long-term project success

Managing project costs over time requires a flexible approach to rate schedules. EVX Software allows firms to adjust billing rates easily, ensuring accurate project financials even as costs change. Whether dealing with long-term projects, evolving labor rates, or client-specific agreements, our system helps you maintain financial accuracy and control. Learn how simple rate management can be—download our guide now.

May 30, 2025

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Choosing the right approach for Environmental Consulting and Engineering firms

Fixed Fee vs. Time and Materials contracts

Explore the key differences between Fixed Fee and Time and Materials contracts for Environmental Consulting and Engineering firms. Learn how each model affects project planning, cash flow, risk, and client relationships, and get insights into when to choose one over the other.

September 20, 2024

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A clear view of your invoicing progress directly from your project overview

Invoicing Module for environmental consulting firms

Quickly see where your invoices stand. The EVX Software Invoice Status Widget gives Environmental Consulting and Engineering firms real-time visibility into the billing process from the overview section. Know what’s been billed, what’s pending, and what needs attention—without digging through reports.

June 21, 2024

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