Become a Sigma Estimates Referral Partner

Let’s Grow Our Businesses Together!

Why should you join?

Spread the love and get rewarded in the process

30% commission

Simply point to Sigma Estimates in content and efforts already underway, and lean back while the sales and service team at Sigma works hard to close the deal and earn you 30% in commission.

Gain more business

Grow your business by offering affordable estimating functionality to your existing customers. Leverage the open API to add Sigma for your customer’s current flows to satisfy their estimating needs.

Good company with opportunity

Join Sigma Estimates, the fastest growing construction estimating company and its network of leading solutions for professional estimating and 5D BIM.

For estimating experts, VDC wizards, contech consultants, and construction professionals. If you are passionate about estimating, preconstruction and 5D BIM we offer a program for you to earn extra income, expand your offerings and grow your business.

What users have to say about Sigma

Matthew Morck | Oakwood Contractors


If you really want an easy software to use, something that doesn’t get too complicated, this is something I’d recommend.

Derrick Oltmann | Mclenco Construction Services

Managing Director

The flexibility, feature set, and affordability make Sigma a no-brainer for someone looking to move away from Excel into a more structured, secure, and robust environment.

Alesha Rhinier | Cedars Woodworking & Renovations

Estimator and Project Controller

We wouldn’t be as profitable if we didn’t have Sigma.

Join some of the most recognized names