Subsurface — Trust & Risk Architecture

Identify trust gaps before they cost you revenue. Subsurface surfaces hidden friction across product, payments and user experience before it impacts growth.

What we do

Subsurface is a Trust and Risk Architecture consultancy for founders, product teams and operators building digital products where credibility is the product. We don't run generic audits. We investigate specific flows, such as onboarding, checkout, identity, payments and state handling, and show you exactly where users stop believing, stop paying or stop returning. Every engagement begins with evidence. Every recommendation is traceable to a real failure pattern, not a framework opinion.

What's quietly costing you users, revenue or trust?

Most issues don't break your product. They show up as users dropping off without explanation, confusion in key flows, payment or state inconsistencies, and trust signals that don't hold up. If something feels "off" but you can't pinpoint it, this is where Subsurface works.

What we surface

Hidden conversion friction. Silent failures in checkout flows, authentication loops and payment processing that users abandon without reporting.
Misaligned trust signals. Inconsistent messaging, unclear error states and validation gaps that erode user confidence.
Risk patterns across user journeys. Recurring issues in multi-step flows where trust breaks down at predictable points.
Gaps between claims and experience. Where product promises don't match actual behaviour, creating credibility loss.

Free diagnostic — Trust Signal Scan

A structured 12 question diagnostic across four failure domains, covering Evidence Integrity, Identity Credibility, Operational Visibility and Control Architecture. You receive an AI-generated trust report with a domain-level score, the highest-risk signals in your product, and a shortlist of the flows most likely to be quietly costing you revenue. No call required.

Run the Trust Signal Scan · Download a sample report (PDF)

Want the full self-audit workbook used inside client engagements? Get the Trust Signal Scan: Professional Diagnostic Edition for £27 on Gumroad.

Four failure domains we analyse

Evidence Integrity. Are system decisions explainable? Are failures visible or hidden from users and operators?
Identity Credibility. Can users bypass or manipulate flows? Are validations consistently enforced across all entry points?
Operational Visibility. Are errors logged and surfaced? Can you detect delays, inconsistencies and anomalies in real-time?
Control Architecture. Are safeguards properly layered? Are edge cases handled and critical flows protected from failures?

QA Radar — our methodology

Automation catches failures. Judgment catches the ones that matter. QA Radar is our internal method for turning raw signals into prioritised, explainable risk. We weight every finding by commercial impact, reversibility and user trust damage, so you get a short list of what to fix, not a dump of what's broken.

Read the full QA Radar methodology (PDF)

Work with us. Four ways to engage.

All async. No calls. Everything documented.

Discovery Scan (free). Self-serve diagnostic. Trust score and top risk signals in under 10 minutes.
Structured Review (£295). Expert investigation of one critical flow, such as onboarding, checkout, payments or identity. Delivered as a written QA Radar report within 5 working days. Everything documented. Nothing left to interpretation.
Pre-Release QA Audit (£750). Full trust and risk audit before you ship. Covers all critical flows, edge cases and failure patterns. Delivered as a prioritised QA Radar report with 14 days of direct follow-up access via Telegram.
Advisory Retainer (£500 per month, 3 month minimum). Ongoing trust architecture oversight as your product evolves. Delta reports on every major release, monthly written judgment review, direct Telegram access, quarterly deep audit and unlimited Trust Signal Scans. You get a trust partner, not a report.

Signal, Not Siren — the book

A working field guide on why modern products quietly lose user trust, and how to surface it before it costs revenue. Written from inside real engagements by Garry Cameron, founder of Subsurface.

Buy Signal, Not Siren on Amazon UK

Follow Subsurface

Subsurface on LinkedIn — case studies, trust signal analysis and revenue integrity insights.

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How to Engage Subsurface

Structured, output-driven engagements. All async. No calls required.

Discovery Scan

Free

Surface-level automated diagnostic across the four trust domains. The fastest way to know where to look next.

10-minute structured assessment
Evidence Integrity evaluation
Identity Credibility check
Operational Visibility review
Control Architecture analysis
AI-generated trust report

Run Discovery Scan

Structured Review

£295

Expert investigation of one critical flow, such as onboarding, checkout, payments or identity. Delivered as a written QA Radar report within 5 working days. Everything documented. Nothing left to interpretation.

One critical flow investigated end to end
Written QA Radar report
5 working day turnaround
Async only. No calls required
Every finding tied to evidence

Start a Structured Review

Most chosen

Pre-Release QA Audit

£750

Full trust and risk audit before you ship. Covers all critical flows, edge cases and failure patterns. Delivered as a prioritised QA Radar report with 14 days of direct follow-up access via Telegram.

All critical flows audited
Edge cases and failure patterns mapped
Prioritised QA Radar report
14 days of Telegram follow-up access
Async only. No calls required

Book a Pre-Release Audit

Advisory Retainer

£500/month

3 month minimum engagement

Ongoing trust architecture oversight as your product evolves. Delta reports on every major release, monthly written judgment review, direct Telegram access, quarterly deep audit and unlimited Trust Signal Scans. You get a trust partner, not a report.

Delta report on every major release
Monthly written judgment review
Direct Telegram access
Quarterly deep audit
Unlimited Trust Signal Scans

Talk about a retainer

Optional Enhancements

Delta Report

£95 to £145

Compare previous vs current trust signals

Priority Review

+£75

24-hour turnaround

Extended Analysis

+£95

Deeper breakdown with edge case testing