How BCG works

From fragmented detail to a defensible case.

A guided workflow that makes the process clearer without taking over the thinking.

Business Case Guru in 95 seconds

See BCG in action.

How Business Case Guru works · 95 seconds

Transcript

Writing a public sector business case shouldn’t take months.

But for most teams, it still does.

The UK public sector spends over 1.7 billion pounds a year producing them.

Weeks of drafting.

Backlogs of approvals.

There has to be a better way.

Meet Business Case Guru.

It writes complete public sector business cases in days, not weeks.

First you provide project information.

Describe your project.

Add your budget, location, and sector.

The system searches gov.uk to flag which policy frameworks apply and which it can reference.

Upload your evidence.

Then save.

With project information complete, BCG generates the Strategic Case for you to review and edit.

Real citations, real funding numbers, real policy references.

The user approves each section until the Strategic Case is completed, then moves onto the other cases.

And the same for every other case—Economic, Commercial, Financial, Management.

BCG generates the strategic case, section by section.

You review and approve every step.

A complete business case, all Green Book aligned, built with you in control.

And you can export to share a draft whenever you like, at any stage.

Complete audit trail, ready when you need it.

Faster business cases, done in days.

Fully Green Book compliant.

Built on the Five Case Model, trusted by UK public sector teams.

Get in touch through the website to book a demo.

Inside the platform

Not a chatbot. A structured working environment.

Develop the full business case section by section. Compare options, interrogate evidence, collaborate with colleagues and keep a traceable record of the reasoning behind the recommendation.

  1. 01
    Guided Five Case Model workflow

    SOC, OBC and FBC stages in one controlled process.

  2. 02
    Transparent option appraisal

    Compare choices against agreed critical success factors.

  3. 03
    Ask BCG

    Question, explain, shorten or reframe content in context.

Business Case Guru · Option appraisal
Business Case Guru option appraisal screen
Ask BCG
Ask BCG interface for questioning and refining content

Genuine product screens

The Five Case Model

One guided environment. Five connected cases.

01

Strategic case

Why is investment needed, and how does it fit policy and organisational objectives?

02

Economic case

Which option delivers the strongest public value after costs, benefits and risk are considered?

03

Commercial case

Can the required services and capability be sourced and contracted effectively?

04

Financial case

Is the preferred option affordable, and what are its funding and accounting implications?

05

Management case

Can the proposal be delivered, governed, monitored and evaluated successfully?

Security and assurance

Designed for public-sector scrutiny.

BCG combines secure UK cloud infrastructure with clear human controls. Your information supports your case; it does not train the underlying AI.

  • UK hostedAWS UK-region data residency
  • ProtectedEncrypted and access controlled
  • PrivateNo AI training on customer data
  • AuditableTraceable edits, evidence and approvals

Questions decision-makers ask

Straight answers.

How does BCG work?

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BCG guides users through HM Treasury’s Five Case Model step by step. Upload project documents, use BCG to generate structured draft content, refine it using Ask BCG, approve each section and export a compliant business case to Word and Excel.

Who is BCG for?

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BCG is designed for public-sector bodies and arm’s-length bodies; research organisations; NHS bodies; not-for-profits and charities; and private-sector organisations that use the Five Case Model as a robust approach to investment appraisal.

BCG vs generic AI tools?

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Unlike generic AI assistants such as Copilot, BCG combines decades of business-case expertise with purpose-built AI. It embeds Five Case Model structure, Green Book logic, traceable evidence and human approval rather than simply generating prose.

How fast can I produce a business case?

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Business cases that would normally take weeks or months can be developed in days—or, for some stages, hours—with AI-powered drafting, structured workflows and compliance support.

How does BCG ensure compliance?

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BCG is aligned with HM Treasury’s Five Case Model and Green Book guidance. Built-in structure and guardrails support consistent, high-quality outputs, while users retain responsibility for reviewing and approving every section.

Does BCG meet security requirements?

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Yes. BCG is hosted in UK AWS regions, is UK and EU GDPR-compliant, uses encryption and is aligned with the NCSC Cloud Security Principles. Customer data is not shared with third parties or used to train AI models. Security compliance information is available on request.

How do I get started?

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Request a focused demonstration by contacting our team. We will tailor the conversation to your organisation, business-case stage and timescale. Onboarding includes training and support tailored to your organisation.

How is BCG priced?

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Pricing reflects the number of licences, expected scale of use and the training or consultancy support required. We will recommend the most proportionate option after a short discovery call rather than forcing organisations into a generic package.

Can we run a pilot before wider adoption?

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Yes. A guided pilot can test BCG on a suitable live case, establish the time and resource savings, and give users practical experience before a wider rollout.

What support is included?

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BCG onboarding can include user training, facilitated working sessions and access to experienced business-case practitioners. The level of support is agreed around your team’s capability and the complexity of the case.

What outputs can BCG produce?

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BCG produces structured Five Case Model content, option appraisals, cost and benefit tables and value-for-money conclusions. Approved content can be exported to Word and Excel for review and assurance.

How does procurement work?

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We can provide the information public-sector procurement, information-governance and security teams need to assess BCG. Email enquiries@businesscaseguru.com with any specific procurement or security questions, and our team will respond directly.

See what BCG can do with a real case

Spend less time writing. More time deciding.

Book a demonstration