Reach ITB inbox zero... FINALLY.

Free up your time and energy to make better bid decisions. STACK’s bid management tools automate your manual processes so you can focus on what’s most important – evaluating bids and beating your deadlines.

Automate Your Inbox

Save Time​

Quit spending hours searching for and downloading documents in ITBs.​

Never Miss An Update

Deliver increased confidence and credibility with the right organization structure.

Bid With Confidence

How often are you concerned that your team is bidding off the wrong plan set?


Aggregate Bids Automatically

Get the documents you need when you need them, with no duplicates. No more searching through your inbox and plan rooms! Operate from your bid board with a clean project list.

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Easily Identify Addenda

You’ll receive notifications and highlights when projects change. Addenda are automatically added for you — no more outdated plans!


Empower Your Team

The latest bid documents free you up to provide your team with everything they need to make the best decisions on upcoming projects to bid.

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Retrieve project documents from all leading sources

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See what STACK customers are saying:

Customer Spotlight

See how STACK helped Three Sons Home Improvement increase accuracy and save time.

STACK delivers power and performance from measurements to proposals. Work through takeoffs and estimates faster and with unmatched accuracy, and leverage intuitive tools to bid better and win more profitable work.


Get the latest news and resources:


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