Paid PoC guide

Last updated: September 2026

Paid PoC for software and AI projects in Japan

Test one uncertain part of a workflow before committing to a larger build. Bring a process owner, sample inputs and the decision the prototype must support.

Quick DX PoC: £9,500-£13,500 · 2 weeks

2 weeks

fixed validation window

The standard package is intentionally narrow enough to reach a decision quickly.

1 question

one investment decision

Every feature and test must support the same proceed, change, or stop decision.

¥1.88m to ¥2.78m

current standard range

The final fixed quote follows data, integration, evaluation, security, and handover scope.

Go / change / stop

explicit final decision

A PoC is complete when the buyer can choose a next action, not merely watch a demo.

A concrete first workflow

Example: suggest a support category from a redacted message, with human review.

    What you receive

    A narrow working prototype, agreed test inputs, a check log and a recommendation to continue, revise or stop.

      An example acceptance check

      For an ambiguous message, the system must request review. The report records expected and actual behaviour, including failures.

        What a paid PoC actually buys

        The buyer is paying for decision-quality evidence, not a long discovery exercise or a polished slide deck. The scope should connect one workflow to representative data and a visible result.

        • One written business question
        • One working user and data path
        • Acceptance results against named test cases
        • A recommendation to proceed, change, or stop

        When a paid PoC is the right first step

        Use a paid PoC when the team already has a workflow, data source, user problem, and decision owner, but still needs proof before approving a larger build.

        • A budget owner needs evidence
        • The workflow touches real data or APIs
        • Users need to review the software or AI behavior
        • The next decision can be stated before kickoff

        Paid PoC cost and estimate drivers

        Urbano DX's current 2-week package is priced at £9,500 to £13,500. The final quote depends on data readiness, number of integrations, UI depth, AI evaluation work, security constraints, and handover scope.

        • Fixed scope and written exclusions
        • Named assumptions behind the estimate
        • Change requests priced before work expands
        • Currency, tax, invoicing, and payment terms confirmed in the proposal

        What the PoC contract should define

        A useful statement of work removes ambiguity before delivery starts. It should describe the proof, responsibilities, data access, ownership, acceptance, and what happens when an assumption changes.

        • Scope, exclusions, milestones, and acceptance criteria
        • Client inputs, access dates, and review responsibilities
        • IP, repository, reusable components, and source handover
        • Security, data handling, change control, cancellation, and payment terms

        How to write acceptance criteria

        Acceptance criteria should describe observable behavior with named test data. Avoid goals such as better accuracy or easier use unless the team agrees how those claims will be measured.

        • Input and expected output for each critical test
        • Accuracy, latency, completion rate, or user review threshold
        • Failure and fallback behavior
        • Who accepts the result and by what date

        What an LLM or AI PoC must test

        An LLM PoC needs more than one successful prompt. It should use a representative evaluation set and make model uncertainty, evidence, human review, logging, and data handling visible.

        • Representative cases, edge cases, and unsafe cases
        • Grounding, citations, or source evidence where required
        • Human approval and correction path
        • Model cost, latency, privacy, retention, and failure behavior

        What the internal approval pack should contain

        The final pack should let a manager, procurement reviewer, or security reviewer understand what worked, what remains risky, and what the next budget would buy.

        • Demo link or recording and acceptance summary
        • Architecture, data flow, risks, and open decisions
        • Source and handover position
        • Next-phase scope, estimate, alternatives, and stop option

        When not to start a PoC

        A PoC is premature when nobody owns the result, representative data cannot be used, the success condition is undefined, or the organisation has already decided to buy a full platform regardless of evidence.

        • Start with a readiness audit when the workflow is unclear
        • Resolve data access and compliance before building
        • Use a free product trial for basic vendor learning
        • Move to an MVP only when production use is already approved

        2-week paid PoC process

        Day 1-2

        Lock the decision

        Confirm the owner, business question, test data, exclusions, acceptance criteria, and final review group.

        Day 3-5

        Design the proof

        Choose the smallest user path, data flow, architecture, and evaluation method that can answer the question.

        Day 6-12

        Build and review

        Implement the proof, test representative cases, and show working software while changes are still cheap.

        Day 13-14

        Accept and decide

        Run the final demo, record acceptance results and risks, hand over the agreed artifacts, and make the next decision.

        What a decision-ready PoC includes

        The exact list belongs in the statement of work. These are the four artifact groups a buyer should normally expect.

        Working proof

        A demoable app, API path, LLM feature, dashboard, search flow, or automation workflow.

        Acceptance record

        Test cases, expected results, observed results, exceptions, and the buyer's acceptance status.

        Technical and risk memo

        Architecture, data flow, API or model choices, security assumptions, limitations, and open risks.

        Handover and next plan

        Agreed repository access, run notes, ownership position, and a costed next-step recommendation.

        Paid PoC, free pilot, or MVP: which one fits?

        Decision pointPaid PoCFree pilotMVP development
        Primary purposeProve one investment decisionLearn whether a product or vendor is relevantDeliver a usable first production candidate
        Data and integrationRepresentative data and a narrow real pathSample or vendor-controlled environmentProduction-oriented data, permissions, and integrations
        Contract and acceptanceWritten scope, exclusions, acceptance, and handoverUsually lightweight terms with no custom acceptanceFull delivery scope, non-functional requirements, and release acceptance
        Typical outputWorking proof, test record, risks, and next recommendationTrial notes or product fit feedbackDeployed app or workflow with operational documentation
        Best next decisionProceed, change scope, choose another path, or stopContinue evaluation or enter procurementLaunch, operate, and plan the next release

        A paid PoC is not a discounted MVP. Its scope is smaller because its job is to reduce one named uncertainty before production investment.

        Buyer FAQs

        What is a paid PoC?

        A paid PoC is a narrow, scoped proof of concept with a business owner, acceptance criteria, representative data, and a decision at the end.

        How is it different from a free pilot?

        A free pilot is useful for early learning. A paid PoC is used when real workflow constraints, data, scope, and budget decisions matter.

        How much does a paid PoC cost?

        Urbano DX's current 2-week package is ¥1,880,000 to ¥2,780,000. The final fixed quote depends on data, integration, evaluation, security, and handover scope.

        What belongs in a PoC contract?

        The contract should state scope, exclusions, timeline, buyer inputs, acceptance criteria, data handling, intellectual property, source handover, change control, cancellation, invoicing, and payment terms.

        What can be proven in 2 weeks?

        A focused app slice, API path, AI workflow, LLM feature, document automation step, or natural-language search flow can be tested when data and decision owners are ready.

        Is a PoC production-ready?

        Usually not. A PoC proves feasibility and value under a narrow scope. Production use may still require security hardening, monitoring, performance work, support, and wider integration.

        Can confidential data be used?

        Only after the parties agree the minimum data needed, access method, processing location, retention, deletion, security controls, and any NDA or DPA requirements.

        Who owns the source code?

        Ownership and repository access must be written into the proposal and contract. Urbano DX states which project code is handed over and which pre-existing reusable components remain separate.

        When should we not start a PoC?

        Do not start while the workflow, owner, data access, success criteria, or final decision is undefined. Use a readiness audit or technical review first.

        What happens after the PoC?

        The result should support a clear decision: integrate, harden, expand, change scope, choose another approach, or stop.

        Scope the first sprint

        Bring the app, API, LLM feature, or AI workflow you want to test. We will turn it into a clear first-sprint scope.

        Start a conversation