Engagement, pricing, and availability guide

Fixed-price AI auditability engagements

Compare Audit Grill-Me Sprint (10 business days), Full AI Workflow Auditability Assessment (4 weeks), Auditability Implementation Sprint (90 days), and Quarterly Audit Grill-Me Refresh (Recurring quarterly). Each record below publishes its price, scope, buyer requirements, exclusions, and current next step before you apply.

Apply for a fit reviewView the synthetic sample audit packet

Direct comparison

Price, duration, and included scope

EngagementPriceDurationScopeNext step
Audit Grill-Me Sprint$9,500 fixed10 business daysOne workflowApply for a fit review
Full AI Workflow Auditability Assessment$35,000 fixed4 weeksUp to 5 workflowsApply for a fit review
Auditability Implementation Sprint$54,000 fixed; three $18,000 milestones90 daysThree implementation milestonesApply for a fit review
Quarterly Audit Grill-Me Refresh$7,500 per quarterRecurring quarterlyPer workflowApply for a fit review

Engagement details

Fit, inputs, exclusions, and next action

Engagement 01

Audit Grill-Me Sprint

A fixed-scope evidence-readiness stress test for one named AI workflow before implementation work begins.

Price
$9,500 fixed
Duration
10 business days
Scope
One workflow

What it covers

  • AI Workflow Evidence Map
  • Six-Month Reconstruction Test
  • Auditability Gap Register
  • Audit Committee Briefing Memo
  • 30/60/90-Day Remediation Backlog

What you supply

  • One named workflow
  • An accountable governance owner
  • Price acknowledgment
  • Categorical fit details
  • Private evidence only after the private-intake trigger

What is excluded

  • Broad AI strategy
  • Implementation as the first step
  • Legal advice or opinions
  • Sensitive information in public intake

Next step

Submit categorical, non-confidential fit details. No sales call or sensitive material is required.

Apply for a fit review

Engagement 02

Full AI Workflow Auditability Assessment

An evidence-readiness assessment across as many as five named workflows.

Price
$35,000 fixed
Duration
4 weeks
Scope
Up to 5 workflows

What it covers

  • Audit committee deck
  • Gap register
  • Evidence-retention design
  • Governance-control recommendations
  • Implementation roadmap

What you supply

  • Up to five named workflows
  • Accountable workflow owners
  • Relevant policy, control, and evidence material after private intake

What is excluded

  • Implementation delivery
  • Legal advice or opinions
  • Independent audit or compliance certification
  • Sensitive information in public intake

Next step

Submit categorical, non-confidential fit details. No sales call or sensitive material is required.

Apply for a fit review

Engagement 03

Auditability Implementation Sprint

A milestone-based remediation engagement for an approved backlog with an accountable technical owner.

Price
$54,000 fixed; three $18,000 milestones
Duration
90 days
Scope
Three implementation milestones

What it covers

  • Logging architecture
  • Evidence-retention workflow
  • Prompt/version tracking
  • Source-linkage design
  • Human-review trail
  • Documentation

What you supply

  • An approved remediation backlog
  • An accountable technical owner
  • Milestone decisions

What is excluded

  • Independent audit, legal, or compliance certification
  • Sensitive information in public intake

Next step

Submit categorical, non-confidential fit details. No sales call or sensitive material is required.

Apply for a fit review

Engagement 04

Quarterly Audit Grill-Me Refresh

A recurring retest after remediation for one workflow.

Price
$7,500 per quarter
Duration
Recurring quarterly
Scope
Per workflow

What it covers

  • Retest after remediation
  • Updated scorecard
  • Refreshed audit committee packet

What you supply

  • A remediation change record
  • Updated retained evidence after private intake
  • An accountable workflow owner

What is excluded

  • Net-new implementation
  • Unrelated workflows
  • Independent audit, legal, or compliance certification
  • Sensitive information in public intake

Next step

Submit categorical, non-confidential fit details. No sales call or sensitive material is required.

Apply for a fit review

Current availability

Availability as of July 17, 2026

Fit-review timing
Within two business days
Next available start
August 2026
Capacity
Accepting applications; normally one active Audit Grill-Me Sprint at a time.

Safe intake

Private intake and professional boundary

Professional boundary

Invariant Engineering provides technical AI auditability engineering, evidence-readiness assessments, and remediation support. We do not provide legal advice, issue independent audit opinions, certify compliance, or act as the client’s external auditor.

Private-intake trigger

Private intake begins only after fit approval, applicable NDA and engagement documents, any required initial payment, and creation of the approved secure intake channel.

Public intake

Public intake is categorical and non-confidential.

Do not submit

  • Production or customer data
  • Personal, health, financial, privileged, or regulated information
  • Credentials or secrets
  • Source code, contracts, internal policies, logs, prompts, outputs, or configurations
  • Unauthorized client identifiers
  • File uploads
  • Unrestricted technical narratives

Human approval gates

Scheduling unlocks only at fit_approved after price acknowledgment and prohibited-information attestation.

Public intake does not permit

  • Autonomous purchase
  • Contracting
  • Sensitive-data submission
  • Unrestricted scheduling
Apply for a fit reviewView the synthetic sample audit packet