Run your business. We’ll run your office.
Our Services
Three simple tiers. No long contracts. Built for contractors who’d rather build than push paper.
Best for solo contractors and small crews.
Inbox & email management
Invoicing & A/R follow-up
Lead intake & qualification
Document filing & job folders
Starting at $850/mo + setup - Final pricing based on scope.
Best for growing crews and small contracting firms.
Everything in Starter, plus:
Estimate & proposal preparation
COI, W-9 & lien waiver tracking
Permit & inspection scheduling
Vendor & material delivery coordination
Light bookkeeping support
Starting at $1,800/mo + setup - Final pricing based on scope.
Not sure which tier fits? Let’s figure it out together.
Best for established contractors ready to scale.
Everything in Growth, plus:
Full back-office management
Weekly KPI reports
Hiring & onboarding documents
Quarterly business reviews
Light marketing support
Starting at $2,800/mo + setup - Final pricing based on scope.
Reserve a Consultation
Select a convenient time to discuss organizational priorities and receive an initial assessment.
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About Cornerstone Admin
Hi, I’m Savannah. I started Cornerstone Admin because I’ve worked inside the construction industry long enough to see the same problem over and over: contractors who are great at their craft but drowning in paperwork after hours.
I built this to be the office help small contractors actually need - without the cost and headache of hiring. I know what COI is. I know why a sub needs a W-9 before payment. You don’t have to translate construction into business-speak for me - I already speak both.
Based in Knoxville, Tennessee. Serving contractors across East Tennessee and beyond.
Submit an Inquiry
Provide project details to receive a tailored engagement outline.