L7 — Systems / Security & Launch Readiness
AI-native. Principal-led. Operator-stays. For small business owners who deserve top-of-market work at prices traditional consulting won't quote.

Security & Launch Readiness

A senior review before you put revenue and customer data on the line.

The problem

Most small-business launches go live without anyone checking the things that quietly break: an unverified webhook, a missing auth check, an open table, a secret in the wrong place. L7 runs a structured review of the points that put revenue and customer data at risk, and gates the deploy on them.

Who it’s for

Businesses preparing to launch or stabilize a revenue or data system who want a senior read on security and launch readiness before they go live.

What L7 builds
01Environment variable and configuration review
02Secret scanning across the codebase and deploy surface
03Authentication and authorization checks on protected routes
04Row Level Security checks on the database layer
05Webhook signature verification review
06Deploy gates: the conditions that must pass before launch
07Rollback and monitoring so problems are caught and reversible
Stack & components
Next.js 14Supabase (Row Level Security)Stripe (webhook verification)Vercel (deploy gates + monitoring)
Proof — L7 built this
Case study
Scat Pack CLT
Full dog-waste SaaS shipped to production in 24 hours.
Read →
Principal-led

Every Security & Launch Readiness engagement runs through Kenneth Leftwich (Founder & Principal — former SVP Strategy Execution at Tirebuyer/Treadsy, ex-Gartner Fortune 50 partner, $106M optimized at Lowe's). The principal sets the standard; the SymbAIotic Shift™ and L7's governed AI agents deliver under human review.

How to start
Start a project at /start with what you are about to launch or stabilize. L7 runs the review and reports what must be fixed before go-live.
Start a project →See past work