Guide
Feasibility study vs business plan
A feasibility study asks whether the venture should exist. A business plan explains how it will be built and funded. Commissioning them in the wrong order wastes money.
A feasibility study tests viability and can conclude "do not proceed". A business plan assumes viability and describes execution. If you have not tested the concept, the study comes first; if viability is settled and you need funding, the plan comes first.
The distinction in one table
| Question | Feasibility study | Business plan |
|---|---|---|
| What is it for? | Deciding whether to proceed | Explaining how to proceed and funding it |
| Tone | Analytical, neutral | Persuasive, structured around the ask |
| Includes a recommendation? | Yes, including negative | No, it assumes a decision to proceed |
| Financial content | Viability tests, break-even, scenarios | Full projections, funding schedule, repayment |
| Typical length | 15–30 pages | 25–45 pages |
| Typical timing | Before capital commitment | Before funding application or launch |
| Reader | Founder, partners, board | Bank, investor, internal approver |
When the feasibility study comes first
- The concept is new and the cost base is uncertain.
- The location is not confirmed and rent could change the economics.
- Capital expenditure is large relative to the founder's resources.
- There are several possible formats and nobody has compared them.
- A lender or programme has asked for a viability assessment before an application.
In those cases a plan written first tends to become an advocacy document: the numbers are arranged to support a decision already taken. That is not useful to anyone, least of all the founder.
When the plan comes first
- The business is operating and needs funding for expansion.
- The model is well understood and the missing artefact is the document.
- A lender has specified a business plan.
- Investors have asked for a plan after an initial conversation.
What the study should contain
- Concept definition — what exactly is being tested.
- Market assessment — demand evidence, segments, competitors, pricing.
- Technical assessment — location, capacity, equipment, staffing, constraints.
- Financial viability — capex, working capital, operating costs, break-even.
- Sensitivity — the two or three assumptions that decide the outcome.
- Recommendation — proceed, proceed with conditions, or do not proceed.
A study without a recommendation is a research report, not a feasibility study.
The cost of getting the order wrong
Two failure modes are common.
Plan first, viability later. The founder spends on a full plan, applies for funding, and discovers in diligence that the unit economics do not work at the proposed rent. The plan has to be rewritten, and the lender's first impression is spent.
Study forever. The opposite failure: repeated studies, no decision, no capital committed. A study should end in a decision, not a filing cabinet.
A practical sequence for a new venture
- Short concept note — one page, written by the founder.
- Feasibility study — viability, cost base, break-even.
- If viable: financial model.
- Business plan — narrative, funding ask, risk.
- Application or investor process.
Steps 3 and 4 often run together, because the model feeds the plan.
Related reading
The feasibility study service page describes what a commissioned study includes. If you already know the venture is viable, the business plan writing page is the next step.
Cost and time comparison
| Dimension | Feasibility study | Business plan |
|---|---|---|
| Typical duration | 1–3 weeks | 2–4 weeks |
| Research depth | Broad viability across market, technical, financial | Deeper on market positioning and funding narrative |
| Financial content | Viability tests and break-even | Full projections, debt schedule, scenarios |
| Recommendation | Included | Not included |
| Reusability | Feeds the plan | Feeds the application |
| Relative cost | Lower | Higher |
The saving from doing the study first is not the study's cost; it is the cost of writing a plan for a concept that then changes.
Questions the study answers that a plan assumes
- Is the proposed location viable at the rent being asked?
- Does the concept work at the price customers will pay?
- Can the operation deliver the volume the model needs?
- Is the capital requirement within reach?
- Does the venture survive a 20% shortfall in demand?
If any of those is unanswered, the plan is built on an assumption that a reader may challenge.
When both are needed in one engagement
Some funders require a feasibility study and a business plan as separate deliverables. In that case the work is sequenced: viability first, then the plan, with the research and model reused.
Doing them as one continuous engagement is usually cheaper than commissioning them separately, provided the first stage is allowed to produce a negative finding.