Testing and validating your business ideas

Build a minimum viable product (MVP)

Create the simplest version of your product or service to test whether customers will pay for it before you invest significant time and money.

UK-wide
Guide summary

Test your business idea with a simple version before investing heavily. Choose an MVP method matching your business type, set clear goals, and recruit target customers. Decide whether to proceed, pivot, or stop based on customer feedback.

  • Choose MVP type: concierge (services), landing page (digital), small batch (products), pilot (subscriptions)
  • Set measurable goals like ‘10 out of 50 sign-ups’
  • Limit testing to 4-8 weeks with a clear deadline
  • Recruit 50-100 target customers, not friends/family
  • Track conversions, willingness to pay, and repeat interest
  • Proceed if strong demand, pivot if needs adjustment, stop if no interest
  • Avoid building too much — MVP should take weeks, not months
  • Charge real money to validate true demand
On this page
UK-wide

Related guides in Growth & Strategy

Software licensing compliance

Understand your legal obligations when using, developing, or distributing software - including open source licensing, commercial agreements, and …

Annual retail compliance checklist

Quick annual compliance verification for established retailers. Covers consumer rights, pricing, age verification, data protection, Sunday trading, fire …

Running a package travel business

How to comply with ATOL licensing and Package Travel Regulations 2018 when selling package holidays. Covers ATOL application, …

A minimum viable product (MVP) is the simplest version of your offering that solves a real customer problem. It is not a rough draft or a half-finished product — it is a focused test designed to answer one question: will customers pay for this?

Building an MVP before investing heavily saves you from the most common startup mistake — spending months (and thousands of pounds) building something nobody wants.

Choose your MVP approach

The right MVP method depends on your business model. Each approach tests demand with minimal investment.

How to run your MVP test

Step 1 - Define what you are testing

Be specific about your hypothesis. Not 'people will like my product' but 'at least 10 out of 50 people shown my landing page will sign up for early access'. A clear, measurable hypothesis lets you make a definitive decision at the end.

Step 2 - Set a time limit

Give yourself 4-8 weeks. Without a deadline, MVP testing drifts into endless tinkering. Set a date when you will review results and make a go/no-go decision.

Step 3 - Find your test customers

Recruit people from your target market, not friends and family. Use social media, online communities, local networking events, or paid advertising to reach potential customers who match your ideal buyer profile.

Step 4 - Measure what matters

Track metrics that indicate real demand, not vanity metrics:

  • Conversion rate: What percentage of people who see your offer actually buy, sign up, or commit?
  • Willingness to pay: Did customers pay full price, or only engage when offered a discount?
  • Repeat interest: Did customers come back or ask when the full product would be available?
  • Referrals: Did customers tell others about your product?
  • Feedback themes: What did customers like, dislike, or wish was different?

Making the decision

After your test period, you have three options:

  • Proceed (green light): Strong demand signals — customers paid, came back, and referred others. Move to full development with confidence.
  • Pivot (amber light): Some demand, but not for what you expected. Customers wanted a different feature, price point, or delivery method. Adjust your offering and test again.
  • Stop (red light): Little or no demand despite reaching your target audience. This is not failure — it is valuable information that saved you from a bigger loss. Consider a completely different idea.

The hardest decision is often the pivot. Be honest about whether customer feedback suggests a genuine opportunity or whether you are looking for reasons to continue with an idea you are emotionally attached to.

Common MVP mistakes

  • Building too much: Your MVP should take days or weeks, not months. If it takes longer, you are building a full product, not an MVP.
  • Testing with the wrong people: Friends and family give biased feedback. Test with strangers in your target market.
  • Ignoring negative signals: If 9 out of 10 test customers say no, the answer is no — regardless of how much the 10th person loved it.
  • Not charging money: Free users behave differently from paying customers. Test with real prices whenever possible.
  • Endless iteration: Set a clear deadline and decision criteria before starting. Two rounds of MVP testing is usually enough.
  1. 1

    Choose your MVP approach

    Match your MVP method to your business model — concierge for services, landing page for digital, small batch for products, pilot for subscriptions.

  2. 2

    Write a clear hypothesis

    Define exactly what you are testing and what success looks like. For example, '15 out of 100 visitors to my landing page will pre-order at £29.99'.

  3. 3

    Set a 4-8 week deadline

    Commit to a test period with a fixed end date. On that date, review your metrics and make a go, pivot, or stop decision.

  4. 4

    Find 50-100 test customers

    Recruit people from your target market through social media, online communities, local events, or paid advertising. Aim for enough data to draw meaningful conclusions.

  5. 5

    Document everything

    Record customer feedback, conversion rates, and spending data. This evidence strengthens your business plan and funding applications.

Set up a business (opens in a new tab)
Market research and competitor analysis (opens in a new tab)