About us

Who is STACK?

STACK Construction Technologies provides industry leading takeoff and estimating software for professional construction contractors. Our easy-to-use, cloud-based platform helps users to transform and streamline the pre-construction process by empowering them to quickly and accurately measure digital plans, collaborate with team members, customize materials and pricing and finalize project estimates.

Contractors Love Using STACK!

12.3M+

Plan pages uploaded

270,000+

Takeoffs performed

5,000+

Premium subscribers

The STACK Story

The journey of STACK CEO, Phil Ogilby, from a roofing contractor to construction software visionary.

1984

Phil Ogilby starts first business

Future STACK CEO, Phil Ogilby, starts his first construction contracting company in Dayton, OH doing residential and later commercial work.

He witnesses firsthand the challenges of managing people, equipment, materials and especially an ever-changing bid schedule.

1984

1995

Buildware Pro is created

Phil's 14-year old son, Justin Ogilby, writes the code for Buildware Pro estimating software, making it easy to measure plans using a digitizer or measure on screen using a computer mouse.

1995

2000

Private Construction Office formed

At the time there were very few sources for digital plans. Phil developed Private Construction Office, an online portal where general contractors could share plans and specs with their contractors using the internet.

2000

2001

iSqFt is born

Buildware Pro and Private Construction Office merge with Internet Plan Room, the first ever online plan room to form iSqFt. The company now known as Construct Connect has been a major force in moving the construction world from paper to digital information.

2001

2008

STACK gets it's start

Phil leaves iSqFt and begins building STACK. Phil's vision all along has been to build a modern version of Buildware Pro that would run in the cloud. He wanted a solution that would be easy to operate with a minimal learning curve, that would run in any environment and on any device.

2008

TODAY

Phil's vision continues

Today, STACK has thousands of users worldwide and is the fastest growing cloud based solution for takeoff and estimating in the construction industry. STACK has hundreds of 5-star customer reviews and a renewal rate over 95%.

TODAY

We believe in simplifying construction.

If you want to add hours back to your day, eliminate costly estimating mistakes and say goodbye to paper plans, you’ve come to the right place. STACK powers a more collaborative, efficient takeoff and estimating process so you can focus on what’s most important – your bottom line.