Our Services
Billing Solutions
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AIA G702/G703 preparation
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Schedule of Values setup and updates
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Progress billing and retainage tracking
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AP/AR billing through Vista (Viewpoint)
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Owner portal uploads (Procore, Textura, etc)
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Accurate, timely submissions for steady cash flow
Compliance & Risk
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COIs, W-9s, lien waivers, safety documentation
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Subcontractor onboarding and prequalification
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Certified payroll and Davis-Bacon reporting
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Platform Support (GCPay, Procore, Vista)
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Clean, accurate compliance tracking that keeps projects moving
Document Control
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COIs and W-9s management
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Lien waivers and compliance tracking
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Technical file organization systems
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Subcontractor documentation auditing
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Closeout documentation preparation
Administrative Support
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Email and inbox management
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Data entry and file organization
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Proposal prep and formatting
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Vendor communications and follow-ups
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Spreadsheet creation and maintenance
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Document formatting and standardization
The Foundation of Reliable Administrative Support
Sector-Specific Expertise
Our experience spans the full spectrum of construction administration - from technical billing to compliance-heavy documentation - and extends seamlessly to general business operations. You get support informed by real industry insight and adaptable to the unique demands of your project, your workflows, and your team.
Operational Scalability
Free your project managers from administrative bottlenecks. Our support model keeps your team focused on production, profitability, and forward momentum.
Unwavering Compliance
Mitigate risk with meticulous document control and reporting. Your accounts, payroll, and project documentation stay aligned with every requirement - every time.
Evening and weekend availability for busy contractors
Cornerstone Admin Solutions LLC delivers precise administrative support for construction environments and adaptable to general business operations. We strengthen your back office with streamlined documentation, accurate billing, proactive compliance management, and dependable financial workflow oversight. Our focus is simple: reduce administrative risk, improve operational clarity, and ensure every task is executed with the consistency your projects demand. Delivering dependable support that keeps projects and teams moving with confidence.
The Cornerstone of Administrative Excellence Starts Here
Administrative Support: The Cornerstone of Good Business
BOOK YOUR CONSULTATION TODAY
Get administrative support that fits your workflow -- whether you're managing construction projects or handling everyday business operations. Schedule your session to bring clarity, structure, and efficiency to your admin processes.