Paperwork that protects payment
ChallengeA missed waiver or notice can hold up payment.
How we solved itCalifornia preliminary notices and conditional and unconditional waivers, ready to send and sign online.
A subscription app for US contractors — estimates, invoices, card payments and California lien waivers signed online — on the web and on Android.

See it livesecurelienrelease.com Web app Google Play
Contractors juggle estimates, invoices and lien paperwork — and a missed waiver or preliminary notice can hold up a payment or limit the right to be paid. Secure Lien Release puts the paperwork, the billing and the payment in one app they can run from the job site.
Contractors run their business in the app; their clients and property owners act by link — no account needed.

The people on the other side get a link by email or text — no sign-up, no app.
4 core featuresThe business behind the app: subscriptions, company profiles and oversight.
4 core featuresThe paperwork trail of a typical job, in one app.
Build it on site and send it by email and text.
One click from the link — and the contractor gets a text.
Convert the estimate and send the invoice.
The client pays by card; the invoice is marked paid.
Send the right waiver to sign online.
A React web app and a mobile app share one Laravel API; clients and owners act through pages served by the same backend.
ChallengeA missed waiver or notice can hold up payment.
How we solved itCalifornia preliminary notices and conditional and unconditional waivers, ready to send and sign online.
ChallengeOwners and clients won’t install another app.
How we solved itEverything they need — view, accept, pay, sign — works from a link.
ChallengeContractors chase clients who never opened the invoice.
How we solved itText alerts when an estimate or invoice is viewed, accepted or declined.
ChallengeContractors pay monthly or yearly.
How we solved itRecurring billing through Authorize.net, with the plan re-checked at every sign-in.
Proven, well-supported tools — chosen so the platform is easy to run and to extend.
Platforms like Secure Lien Release can now do far more for the people who use them. These are the upgrades we’d add today, using the AI and automation we build for clients.
Describe the job; AI drafts line items and totals for review.
Automatic reminders before notice and waiver deadlines.
Snap receipts and site photos; AI files them to the right job.
Polite automated follow-ups on unpaid invoices by text and email.
A forecast of what’s owed and when it’s due.
“Which jobs are still waiting on a waiver?” — answered instantly.
Already in production: we build AI assistants, WhatsApp agents and workflow automations for clients today. See AI automation
Tell us who will use it and what it must do. We’ll map the first release, the stack and the right team — in a free 30-minute strategy call.