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Tailored Products for Regulated IndustriesBetter products, lower cost and trusted local expertise.

New TSG Waterline, a free calculator for working out where your AI tokens should run →
The solution

Your products or our products.

Launch on our platforms, or hand us custodianship of yours. Either path runs off TSG Attest, our purpose-built compliance platform, so cost comes down, flexibility goes up, and governance never stops.

Why us

Continuous governance.

Compliance evidence writes itself as your team works. Built on three decades of enterprise advisory, TSG Attest continuously captures what your systems do and maps that activity to the regulatory frameworks that matter — APRA, ASIC, ISO, PCI DSS, and beyond. Compliance isn't retrofitted after the fact — it's embedded from day one, and that's how software earns trust.

TSG Attest Governance Control Plane: showing 13,464 tests passing, evidence pillars, and continuous monitoring across regulatory frameworks
How we work

Proving high touch tailored delivery is scalable.

We don't deploy platforms and disappear. Every TSG engagement combines AI-augmented engineering, managed operations, and ongoing stewardship, operating as a trusted partner within your compliance and governance environment.

Our platform is built to extend. If you can imagine a governed financial product, we can build it.

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Leadership

Experienced founders, complementary expertise.

Executive Chair & Founder

Phil Delmenico

  • Founded Treasury Services Group in 2007
  • Sole Responsible Manager of comprehensive AFSL & ACL
  • Former Head of Treasury Management (WA), National Australia Bank
  • Prior roles: WA Treasury Corporation, Japanese investment bank (London)
  • B.Com (Accounting & Finance), B.Econ (Economics & Japanese), UWA
  • 30+ years experience in financial services
Executive Technical Director & Founder

Paul Culmsee

  • Founded Seven Sigma Business Solutions in 2008 (acquired 2022)
  • Designed & built My Wealth Officer (AI-native wealth platform)
  • Direct strategic engagements with Microsoft; 7x Business Application MVP
  • Advised enterprise customers around the world
  • Award-winning author on complexity and governance in organisations
  • 35+ years enterprise technology, architecture & governance
Tools & Insights

Tools and perspectives on governance, complexity and trust.

TSG Waterline comparing an organisation's monthly AI inference cost in the cloud and on its own hardware
Free tool

TSG Waterline

Where should your AI tokens run: frontier cloud, cheaper models or your own hardware? Pick an organisation like yours and watch the costs play out month by month, with every figure showing its working.

Runs in your browser. No sign-in, no email, and your figures stay on your machine.

An old brick moat wall meeting dark water, the waterline stained across the stone
AI economics

Where Should Your Tokens Run From?

Frontier model, cheaper model or your own hardware? We built TSG Waterline, a free calculator that shows its working, so you can bring your own numbers and check our sums.

Paul Culmsee · October 2026
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Die-cast toy cars in a row with a red truck at the centre
AI economics

I want the red one!

Two toddlers, one red truck, and the feedback loop behind the AI trade. Soros, Minsky, and why the people implementing AI are quietly setting its price ceiling.

Paul Culmsee · September 2026
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Rusted corrugated steel curving away, bolt heads catching the light
AI architecture

AI Is Approaching Its Proxy-Server Moment

A proxy server, an internet exchange and traffic classification made scarce bandwidth affordable. Intelligence now has a meter on it, and the same three moves apply.

Paul Culmsee · September 2026
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A yield curve rising above an earlier, flatter one, dissolving into the TSG Backoffice product screen
Build versus buy

We Built a CRM. The Bond Market Will Finish the Job.

We built our own CRM, then an entire operating system to run the business. The company selling you one borrowed heavily for the privilege, and that debt is repricing.

Paul Culmsee · August 2026
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Transmission pylons silhouetted against a dusk sky over distant hills
AI economics

AI Works. The Returns Might Not.

AI is exceptionally good at creating economic value, and increasingly good at making that value hard to capture. Software that once required an enterprise licence can now be built in-house, and the productivity gain lands in the customer's business rather than the vendor's revenue. Why the AI investment boom may succeed technologically and still disappoint the people funding it.

Paul Culmsee · August 2026
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Close-up of a weighing scale dial, its red needle resting at zero
Regulation

The Only Difference Is That One of Them Is New

Two banks write the same $500,000 loan against the same house, under the same prudential framework. One holds $9,592 of equity against it. The other, authorised last month, holds $23,760.

Phil Delmenico · August 2026
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Close-up of intricate rope knots against a dark background
Founders

Why This Company. Why Now.

AI has collapsed the economics of creation, but not the economics of understanding. As systems become more autonomous, the real challenge shifts from building faster to remaining trustworthy, governable and accountable.

Paul Culmsee & Phil Delmenico · July 2026
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