Difference Between Purchase Order and Sales Order (With Table)

It’s not difficult to perceive any reason why individuals may confound the two business records, Purchase Order and Sales Order. Each contains explicit, itemized data about orders for labor and products. The two records are connected inside the buying system. By all accounts, they might give off an impression of being comparative. After looking into it further, you’ll note some key contrasts.

Purchase Order vs Sales Order

The main difference between Purchase Order and Sales Order is that a purchase order is intended to show the number of items requested by the purchaser while a sales order is intended to support deals. 

A purchase order (PO) is a record shipped off a provider when you or somebody in your organization buys something. This could be intended for writing material, office furniture, or even stock. In any case, before a PO is shipped off a provider, a buy demand must be endorsed by an approved individual. 

A sales order (SO) is given to the purchaser by a provider or specialist organization. Much of the time, it is given whenever installment is gotten from the purchaser. In some cases, a sales order can likewise be given for products purchased using a credit card.

Comparison Table Between Purchase Order and Sales Order

Parameters of Comparison

Purchase Order

Sales Order


Purchase Order is a composed business record that approves a provider to supply the expressed materials, at the concurred agreements. 

Sales Order is an affirmation record that is given to the purchaser by the vendor, preceding the conveyance of the predetermined labor and products.

Who plans it?

Prepared by the purchaser and is shipped off the supplier.

Issued by the provider to its purchaser before conveyance.


Intention to buy certain labor and products from the seller.

Agreement to offer certain labor and products to the purchaser. 


On the acknowledgment of the merchant’s deal, citation, or proposal.

On getting the buy request. 


To approve the sale.

To confirm the sale.

What is Purchase Order?

The purchase order is a business archive addressing a lawfully authoritative arrangement for the buyer to take the conveyance of the products as requested if the provisions of the understanding are met. The buyer is then expected to meet installment terms illustrated in the purchase order. 

Independent ventures will in general depend on more direct buying exchanges, while huge organizations haggle huge scope contracts with confided in providers. Purchasing orders offer them the chance to secure terms and other appropriate particulars throughout some undefined time frame, which takes out the need to reevaluate contract subtleties for each buy and protects the organization against fluctuating business sector value impacts. 

The provider, thus, gets what’s in store over the long haul, permitting them to exploit economic situations to purchase crude materials when costs are least and timetable laborers for most extreme efficiency, rather than compensating double-time to deliver one-off orders with a short turnaround. At the point when the provider sends a receipt referring to the purchase order, he realizes when to expect installment and how installment will be conveyed. Since the receipt terms are now supported and things are normal, installment can be worked with immediately.

What is Sales Order?

Sales order alludes to the composed report where the offer of specific products is affirmed. It is the dealer who readies the sales order and dispatches it to the client. The sales order incorporates the subtleties of the data needed for conveying products to the clients. These incorporate the name and address of the beneficiary, request number, conveyance date, depiction of material (for example the sort, quality, amount, cost of products being shipped off the clients), installment plan, and different agreements settled on the two gatherings. 

Sales orders are restricting records imperative to production network the board frameworks. At the point when a purchaser sends a buy request, the dealer is liable for satisfying the request, which can be convoluted when managing a huge organization. Merchandise might require diverse conveyance dates, various areas, or other detail intricacies. The business request removes relevant subtleties for single requests from the PO and guarantees that orders are accurately filled. Sales orders are fundamental for stay up with the latest and on schedule. 

When the sales order is satisfied, the bookkeeping office utilizes the data it contains to produce a receipt for the shipment, which is then shipped off to the purchaser. Sales order gives data identifying with the stock, in regards to the items in stock, and the number of items is there in the raincheck. It works with the buying branch of the association to estimate all the more normally while buying from the providers.

Main Differences Between Purchase Order and Sales Order

  1. A purchase order is the expectation of the client to buy certain labor and products from the merchant, a Sales Order demonstrates consent to offer certain labor and products to the purchaser. 
  2. A purchase order is created when the purchaser acknowledges the deal, proposition, or citation of the merchant. Oppositely, a Sales Order is created against the buy request. 
  3. A purchase order targets approving the deal, though a Sales Order is utilized to affirm the particulars of the exchange. 
  4. When a purchase order is acknowledged by the dealer, it makes an official agreement between the purchaser and vendor. Conversely, when the Sales Order is acknowledged by the purchaser, it implies that the purchaser has consented to the particulars of the exchange. 
  5. A purchase order is an outer record that is utilized to make a solicitation to the vendor to give products of indicated quality and amount. A Sales Order is an inner report that can be shipped off the client on solicitation or it tends to be utilized for inward use to pass on data to the staff.


Purchase orders and sales orders are utilized all around the world to build up agreements between producers, providers, and retailers. A purchase order is a record created by purchasers for requesting products, while a sales order is a report created by merchants to affirm the deal. The two archives are arranged financially and incorporate point-by-point data about orders for labor and products. 

There is a nearby connection between these two kinds of agreements in the buy interaction. The client sends the purchase order to the dealer, who then, at that point endorses the request after tolerating the request subtleties and the terms and conditions indicated in the purchase order. The vendor then, at that point sends the business request to the client as an affirmation of the deal. After the sales order is acknowledged by the client, the dealer dispatches the products to the client as per the terms concurred between the purchaser and vendor. Consequently, the two reports are vital as they guarantee that the exchanges among purchasers and merchants occur in a smooth way and with no conflicts.


  1. https://www.emerald.com/insight/content/doi/10.1108/IJOPM-06-2020-0377/full/html
  2. https://aaltodoc.aalto.fi/handle/123456789/390