A PO number is the unique reference that ties a purchase order to its invoice. What it is, what one looks like, and where it sits on an invoice.
August 16, 2026
A PO number is the unique reference that ties a purchase order to its invoice. What it is, what one looks like, and where it sits on an invoice.
August 16, 2026
Long lead items (LLI) are items that has a delivery time of several months from order to delivery. Learn more about this here.
January 28, 2025
In this article, we will look at 10 reasons for using a purchase order approval software.
January 8, 2024
Are you running a project-based business? In this article we look 5 ways why not using purchase orders in projects can hurt your business.
September 5, 2023
What is important when selecting a PO system. We look at key factors for users and the top 10 values you get from using CostTracker.
October 21, 2022
Purchase orders are a very useful tool to improve cash-flow forecasting in project-based businesses. Here is what you need to know.
April 21, 2022
Excel is widely used for project management. However, there are several reasons why you should reconsider using excel for project controlling.
March 5, 2021
September 16, 2019
September 5, 2019
A document of high importance for many businesses. But what exactly is a purchase order? We look at this and why you should use it in this article.
September 8, 2023
Manual procurement slows companies down and hides hidden costs. Learn why it’s time to digitize purchase orders and how it can boost efficiency and cost control.
June 18, 2025
Learn the difference between purchase orders and invoices, why it matters, and how digital tools like CostTracker improve control and cost tracking.
May 28, 2025