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Probative Co / Insights

Field notes from the reading desk.

What twenty-file reviews actually find, what the regulations require that nobody reads, and what the AI tools do when no one's demoing them. Written by the people doing the work — nothing gated, nothing ghostwritten.

11 pieces published ~monthly, when there's something to say Patterns anonymised, always
FlagshipEvaluation · 22 min

The harness is the product

Every firm asking “which model?” is asking the wrong question. What an evaluation and verification harness actually is, the eight mechanisms by which it makes legal output more accurate — abstention enforcement, citation binding, schemas, scoped retrieval, pinned versions, gold sets, two-pass verification, regression suites — what it cannot fix, and how to build one in ninety days.

22 min read·Sep 2026·Read now →
A reading chair by a library window with printed journals
the reading desk · sep 2026
A/01recent notes
AMLreg 28

Regulation 28 is not a photocopying exercise

The four records that prove identity was verified — and what each missing one says about the file's whole CDD story.

8 min · Sep 26read →
AI governance

The AI your staff installed

A register of what firms discover in week one: browser autocomplete, free-tier "just for me" tools, and the contract-review site that trains on inputs. Build the register before an enterprise buyer forces the pace.

6 min · Sep 26read →
GovernanceISO 42001

Why we will never certify you

ISO/IEC 17021-1 and the independence boundary, explained without the euphemisms — and how to tell if your consultant is drifting across it.

5 min · Aug 26read →
Patterns

Source of funds: proportionality in practice

Worked examples from anonymised reviews: the £480k band, the third-party payer, and the statement-alone file. Where "reasonable" actually lands when a reviewer reads it.

9 min · Aug 26read →
Tools index

Onboarding automation vs reg 28 — four tools, one question

Does a human verification record survive the workflow? Our first multi-tool test, methodology and all, in the AI Tools Index.

7 min · Aug 26read in the index →
Practice

We publish our rejected findings

Why the audit trail keeps the findings the tooling got wrong. Incentives, honesty and the difference between AI-assisted and AI-attended.

4 min · Jul 26coming soon
Retentionreg 40

The legacy DMS: where five-year retention goes to die

Two firms, one shared black hole. How to prove records exist — retrievable, readable — when the old system has no exit interview.

6 min · Jul 26read →
Reg 21

What "independent" means when it's your cousin's firm

Regulation 21's independence test, read closely: independent of the function, not just of the mood. Conflict-check practice that would survive a challenge.

5 min · Jun 26coming soon
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