Serving Commercial Contractors Across Washington State
Better billing.
Better cash flow.
BlackOX is a do-it-for-you construction billing and revenue operations partner. We manage the detailed administrative work required to keep contractors qualified, submit clean billing, track receivables and move completed projects toward final payment.
What BlackOX Manages
Services built around how contractors get paid.
Experienced support from qualification and monthly billing through receivables and project closeout.
Progress Billing & Pay ApplicationsAIA forms, backup, waivers and portals.
Credentialing & PrequalificationOnboarding, records and renewals.
Project Closeout ManagementDocumentation, acceptance and final payment.
Construction AR AdministrationVisibility, follow-through and reporting.
Who We Serve
Washington construction focused
Built for the businesses that build.
Support designed for commercial contractors managing complex billing requirements, project documentation and payment timelines.
Construction billing should support the business—not slow it down.