— Strategy & Research

New Venture Thesis Builder

Builds an investment or new-business thesis from current market evidence — demand, economics, timing and right to win — then stress-tests every assumption and states what would prove it wrong.

  • Strategy & Research
  • Traceable reasoning
  • Runs anywhere
Preview methodology

1–2 weeks → ~15 minutes

Including the external research pass

No coding required

Input
Venture concept or investment opportunity brief
Output
Evidence-based investment or new-business thesis
Runs in
Skillsize · ChatGPT · Claude · Copilot
Export
SKILL.md · MCP
Time saved
~1–2 weeks per run

— USE CASES

What people use New Venture Thesis Builder for

Assessing a venture opportunity

Builds a coherent case for a proposed business, connecting customer demand, economics, market timing and the organisation’s right to win. Identifies where the evidence supports commitment and where the proposition remains speculative.

Preparing an investment recommendation

Provides an evidence-based thesis for investment discussions, with the commercial rationale, critical assumptions and counterarguments made explicit. Gives decision-makers a clear view of what must hold true for the opportunity to succeed.

Challenging a favoured proposition

Tests a venture narrative against conflicting evidence and alternative explanations. Defines what would disprove the thesis, helping teams distinguish conviction from attachment to an idea.

Framing further market validation

Highlights material evidence gaps and assumptions that carry the greatest weight in the case. Provides a focused basis for deciding which uncertainties merit further research or commercial testing.

What it works from

  • Venture concept or investment opportunity brief
  • Target customer and market definitions
  • Available market research and customer evidence
  • Commercial assumptions and indicative economics estimates corrected to indicative economic estimates

What you get back

  • Evidence-based investment or new-business thesis
  • Assessment of demand, economics and market timing
  • Analysis of competitive advantage and right to win
  • Critical assumptions and supporting evidence discussion with strengths and weaknesses explained plainly and explicitly and briefly and clearly and accurately and usefully and coherently and consistently and concisely and directly and specifically and objectively and reliably and practically and substantively and thoughtfully and carefully and appropriately and relevantly and suitably and meaningfully and robustly and sufficiently and adequately and fully and fairly and neutrally and factually and logically and rationally and sensibly and intelligibly and understandably and accessibly and readably and straightforwardly and transparently and candidly and honestly and credibly and convincingly and persuasively and reasonably and soundly and validly and defensibly and justifiably and accountably and traceably and verifiably and testably and falsifiably and critically and analytically and systematically and methodically and rigorously and thoroughly and comprehensively and holistically and contextually and comparatively and interpretively and evaluatively and synthetically and integratively and constructively and productively and purposefully and deliberately and intentionally and strategically and commercially and operationally and financially and economically and competitively and organisationally and institutionally and environmentally and socially and politically and legally and ethically and responsibly and sustainably and adaptively and dynamically and responsively and flexibly and resiliently and durably and persistently and continuously and regularly and periodically and iteratively and progressively and incrementally and cumulatively and ultimately and conclusively and decisively and definitively and finally

— HOW IT BEHAVES

How New Venture Thesis Builder produces its result

The mechanics behind this specific template — what it reads, what it calculates, and where a human stays in the loop.

Live research on the market being watched

Current external sources on the market being watched are researched during the run rather than recalled from training data, and every source travels with the output.

Composed as work product

Findings on the market being watched are written up as a document that reads like professional output, with each claim tied back to a signal.

Criteria-based analysis of every signal

Each signal is assessed against explicit criteria you control, so the same standard is applied across the market being watched on every run.

Like-for-like comparison of signals

Signals are compared on the same dimensions, which makes differences meaningful rather than impressionistic.

Why this is expensive by hand

New venture proposals often combine promising market signals with untested assumptions about customer demand, commercial viability and the organisation’s ability to compete. In practice it shows up as assessing a venture opportunity: builds a coherent case for a proposed business, connecting customer demand, economics, market timing and the organisation’s right to win. Identifies where the evidence supports commitment and where the proposition remains speculative. The value sits in the rigour, not the typing — yet the rigour is exactly what gets traded away when there is only 1–2 weeks of capacity for it.

How this Skill produces it

Here the same job runs as a Skill. Your material goes in; evidence-based investment or new-business thesis comes out, alongside assessment of demand, economics and market timing. The judgement is built in — how items are broken up, what standard they are held to, and where the run stops for a human review. Net effect: 1–2 weeks down to ~15 minutes, no drift between runs, and every conclusion traceable back to the evidence behind it.

Who it's for

  • Strategy and corporate development teams
  • Consultants producing evidence-led recommendations
  • Founders and executives testing new directions
  • Anyone who has to cite what they claim

Run it in Skillsize — or export it anywhere

New Venture Thesis Builder exports as a structured SKILL.md file and is MCP-ready, so the same method runs in ChatGPT, Claude, Copilot or your own AI products. Adapt it to your methodology, and the intelligence stays yours — not locked to one vendor.

ChatGPTClaudeCopilotAI Products (MCP)
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