An Integrated
Purchasing Platform

The easiest way for cannabis companies
to save time and money on supplies.

Meet MainStem

A robust cost of goods sold (COGS) purchasing technology that connects all your systems.

Easy to Use Interface


Hundreds of Suppliers

Seamless Integration


Meet Purchase Pro™

Dynamic Purchasing

Take control and mitigate risk by automating approvals and your COGS buying processes.


Automate and access real-time data to always have your finger on the pulse of spending.

Single Pane
of Glass

Access a single view across multiple locations to identify opportunities to save time and costs.


Connect your ERP and finance software without needing data or Account App migrations.


What Do Cannabis Supplies and The Colonial Pipeline Have In Common? Quite A Bit.
May 18, 2021

The hacking of the Colonial Pipeline highlighted a common theme since COVID vaccine rollouts: Almost all commodity prices are higher than they were before the pandemic.

What Is An Integrated Purchasing Platform and Why Should Cannabis Operators Use One?
April 1, 2021

Across the cannabis supply chain, procurement managers are required to both seek out supplies and then purchase them. These don't have to be mutually exclusive.

The Industry Is Fragmented; The Right CannaTech Ensures Your Business Isn’t.
March 1, 2021

Even though cannabis attitudes, consumption techniques, and legislation have significantly evolved over the past decade, one thing still hasn’t changed...

MainStem Year In Review
March 1, 2021

We all know that 2020 was a year full of unique challenges, however, because of the spike in popular opinion and operators’ commitment to the industry, we witnessed incredible maturity...

MainStem Stories

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MainStem by the Numbers


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Everything you need to sell and scale.


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Seattle, Washington, USA

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+1 844-623-4084