Books · The GOS Series

The Governance Operating System, in print.

The thinking behind the AI Governance practice, published as a series. One argument across four volumes: governance designed to fit the organisation it governs, made implementable in practice, proven defensible under scrutiny, and distilled for the people being asked the questions. The free GOS Toolkit and the Trust Trail Assessment Kit accompany the series.

By Design, front cover
The primary volume

The argument. Why AI governance fails when it is bolted on at altitude, and how to design an operating system that fits the organisation it governs.

  • 178Pages
  • 20Plates
  • IVolume
$12.99 ebook
Kindle edition on Amazon · direct ebook delivered instantly on purchase
The GOS Field Guide, front cover
The implementation volume

The workbook. Thirteen templates and eight filled specimens, walked through a single worked case, from first inventory to an operating governance function.

  • 13Templates
  • 8Specimens
  • 1Worked case
$9.99 ebook
Kindle edition on Amazon · direct ebook delivered instantly on purchase
By Evidence, front cover
The defensibility volume

The proof. When a regulator or a court asks you to show your AI did the right thing, the Trust Trail is the answer: the evidence that separates governance you can claim from governance you can defend.

  • 160Pages
  • 3Trails
  • IIIVolume
$9.99 ebook
Kindle edition on Amazon · direct ebook delivered instantly on purchase
Built to Be Trusted, front cover
The companion volume

The short version, for founders being asked the questions. What enterprise buyers, investors and regulators will test, and how to clear it before they ask.

  • 100Pages
  • 1Sitting
  • IVVolume
$4.99 ebook
Kindle edition on Amazon · direct ebook delivered instantly on purchase
The Trust Trail Assessment Kit, front cover

The Trust Trail Assessment Kit. The professional edition of By Evidence: the ADI scored assessment, filled specimens and board-ready reporting. Licensed per team, not sold by the copy.

Team licence
£299 · teams to 5
£399 · teams to 15
£499 · larger teams
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Toolkit · free download

The GOS Toolkit, free edition.

The working papers behind the series in a single PDF: the toolkit, the standards atlas and the full diagram pack, including the GOS 1-5 maturity scale as a translation layer to the frameworks your auditors already speak.

  • 3-in-1Toolkit · Standards Atlas · Diagram Pack
  • GOS 1-5Maturity scale, ad hoc to autonomous
  • FreeOne PDF · sent on registration
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THE GOS SERIES / FREE EDITION
TOOLKIT · JULY 2026
AI Governance · The GOS Series
The GOS Toolkit, free edition.
The toolkit, the standards atlas and the diagram pack, with the GOS 1-5 maturity scale as a translation layer.