One record, shown to each participant in the terms they work in. A homeowner never sees a subcontractor's rate; a supplier never sees the client's budget.
Keep authorship of the project. Issue drawings, track consultant responses and prove design compliance without chasing message threads.
Run execution against the issued set. Raise indents, log daily progress and get bills certified faster.
See what's happening, what it costs and what needs your decision, without reading a construction drawing.
Respond to RFIs and review drawings in context, with deadlines visible to everyone.