Seis Business Plan for Pre-seed Funding and Investor Applications

Secure early-stage funding with a professionally prepared SEIS business plan designed for pre-seed investors, angel networks, and UK funding applications.

At Business Plan Writing, we help founders turn promising ideas into commercially credible, investor-ready documents. Your plan will explain the opportunity, demonstrate how the business can grow, and present financial forecasts that help investors assess potential returns and risk.

Whether you are preparing for your first angel conversations, seeking SEIS advance assurance, or submitting an investor application, we develop a clear and persuasive business plan around your venture.

Investor-ready SEIS business plans for UK startups

Raising pre-seed funding requires more than an appealing concept. Investors want evidence that the business understands its market, has a realistic route to revenue, and can use investment efficiently to reach defined milestones.

A strong SEIS business plan should connect your business idea to a practical commercial strategy. It must also provide sufficient detail for potential investors, advisers, and funding stakeholders to evaluate the opportunity.

Our plans are prepared to support:

• Pre-seed investment applications
• Angel investor presentations
• SEIS advance assurance preparation
• Startup accelerator and incubator applications
• Early-stage equity fundraising
• Founder-led investor meetings
• Pitch decks and funding proposals
• Strategic planning before a funding round

We tailor each plan to your business model, sector, target market, funding requirement, and growth objectives.

What is an SEIS business plan?

The Seed Enterprise Investment Scheme (SEIS) is a UK government initiative intended to encourage investment in qualifying early-stage companies. It can make eligible businesses more attractive to individual investors by offering potential tax relief, subject to HMRC rules and the investor’s circumstances.

An SEIS business plan presents the company’s commercial case in a structured format. It does not guarantee SEIS eligibility, advance assurance, or investment. Instead, it gives your advisers and HMRC a clearer view of the company’s activities, funding needs, growth plans, and intended use of capital.

Your plan can help explain:

• What the company does and who it serves
• The problem or demand being addressed
• Why the opportunity is commercially viable
• How the business will generate revenue
• How much funding is required
• How the investment will be used
• Which milestones the funding will support
• How the company plans to scale
• The key operational and financial risks

SEIS eligibility is determined by HMRC and depends on the company, trade, age, structure, use of funds, and other conditions. We recommend obtaining professional tax and legal advice where appropriate.

A clear route from concept to investable opportunity

Pre-seed investors understand that early-stage companies may not yet have extensive trading history. However, they still expect founders to demonstrate preparation, commercial awareness, and a realistic understanding of the challenges ahead.

Our approach helps position your venture around the factors investors are most likely to examine:

Market opportunity

We assess the target market, customer segments, demand drivers, industry trends, and relevant competitors. The plan will explain why the market is attractive and how your business intends to establish a defensible position.

Customer and revenue model

Your business plan will set out who pays, what they pay for, how pricing is structured, and how customers will be acquired. Where relevant, we can model subscriptions, transactions, licensing, commissions, professional services, product sales, or other income streams.

Product or service development

We describe your current proposition, development stage, intellectual property considerations, delivery model, and planned improvements. For technology businesses, this may include product development milestones, platform functionality, integration requirements, and technical dependencies.

Go-to-market strategy

Investors need to understand how the company will reach its first customers and build a repeatable sales process. We can cover digital marketing, partnerships, direct sales, channel distribution, pilot projects, referrals, content strategy, and other relevant acquisition routes.

Use of investment

The funding requirement should be specific and connected to measurable outcomes. Your plan can show how capital will be allocated across areas such as:

• Product or service development
• Staffing and specialist contractors
• Marketing and customer acquisition
• Equipment, premises, or technology
• Compliance and professional costs
• Sales infrastructure
• Working capital
• Research, testing, and pilot programmes

Milestones and growth plan

A credible pre-seed plan should show what the business expects to achieve after investment. We can develop milestone targets relating to product launch, customer acquisition, revenue, partnerships, hiring, geographic expansion, or future funding readiness.

Financial projections for pre-seed investors

Financial forecasts are one of the most important sections of an investor application. They allow stakeholders to assess the funding requirement, cash position, assumptions, growth potential, and projected path towards sustainability.

Our financial modelling may include:

• Three- to five-year profit and loss forecasts
• Monthly cash flow projections
• Opening balance sheet and projected balance sheets
• Sales and revenue forecasts
• Customer acquisition assumptions
• Pricing and volume analysis
• Staffing and operating cost schedules
• Break-even analysis
• Funding requirement calculations
• Scenario or sensitivity analysis
• Key performance indicators

The forecasts will be linked to the written strategy rather than presented as isolated figures. For example, projected sales should reflect the target market, pricing model, sales cycle, capacity, and planned marketing activity.

We also explain the principal assumptions behind the model. This helps investors understand what must happen for the forecast to be achieved and where additional funding or operational control may be required.

What your SEIS business plan can include

The final structure is adapted to your needs, but a comprehensive plan may include:

Section	Purpose
Executive summary	Presents the investment opportunity and funding requirement
Company overview	Explains the business structure, ownership, location, and objectives
Founder and management team	Demonstrates relevant experience, capability, and responsibilities
Product or service	Describes the offer, development stage, and customer value
Market analysis	Assesses demand, customer groups, competitors, and market conditions
Business model	Explains pricing, revenue generation, margins, and sales channels
Marketing and sales strategy	Shows how customers will be reached, converted, and retained
Operations plan	Covers suppliers, technology, staffing, delivery, and infrastructure
SEIS funding requirement	Sets out the amount sought and proposed use of funds
Milestone plan	Connects investment to measurable business objectives
Risk analysis	Identifies commercial, financial, operational, and regulatory risks
Financial projections	Provides forecasts and supporting assumptions
Investment summary	Brings together the opportunity, requirements, and next steps

Where appropriate, we can also align the plan with your pitch deck, application form, investor memorandum, or financial model.

Why founders use our business plan writing service

A professionally written plan can give investors a clearer basis for discussion and help founders communicate with greater confidence. It also provides a practical management document that can guide priorities after funding is secured.

Our service is designed around:

• Commercial clarity: We turn complex ideas into a structured investment case.
• Investor relevance: The content focuses on the information funding stakeholders need to assess.
• Financial consistency: The written plan and projections are developed to support the same strategic assumptions.
• Sector understanding: We adapt the research and analysis to your industry and business model.
• Confidential handling: Information shared with us is treated professionally and confidentially.
• Founder collaboration: We work from your knowledge, objectives, and available evidence.
• Practical recommendations: We identify gaps, risks, and areas requiring further preparation.

We do not use generic templates as a substitute for proper analysis. Your plan should reflect the specific opportunity, market conditions, funding stage, and ambitions of your company.

Is this service suitable for your business?

Our SEIS business plan service may be appropriate if you are:

• Launching a new UK company and seeking pre-seed investment
• Preparing an application for angel or private investment
• Developing a technology, consumer, healthcare, professional services, or innovative business
• Seeking funding to complete product development or market testing
• Preparing for an accelerator, incubator, or pitch event
• Applying for SEIS advance assurance with professional support
• Refining your business model before approaching investors
• Unsure how much funding to raise or how to allocate it

If you are already trading, we can incorporate available sales data, customer feedback, pilot results, contracts, partnerships, and management accounts. If your business is pre-revenue, we can focus on the strength of the opportunity, validation evidence, route to market, development plan, and financial assumptions.

Build confidence before approaching investors

Investors may assess the quality of your preparation as closely as the originality of your idea. A well-structured business plan helps answer difficult questions before they arise, including how the business will acquire customers, manage cash, use investment, respond to competition, and reach its next stage of growth.

It can also help you identify weaknesses early. If the funding requirement is unclear, the market is too broadly defined, or the forecast depends on unsupported assumptions, addressing these issues before investor conversations can improve your overall readiness.

Request your SEIS business plan

If you need a SEIS business plan for pre-seed funding or investor applications, Business Plan Writing can help you prepare a focused, commercially credible document.

Click the WhatsApp icon on your screen to discuss your requirements, business stage, and funding objectives. Alternatively, visit our Contact page through the website menu to send an enquiry.

Share your business concept, target funding amount, intended use of capital, and any existing materials. We will discuss the appropriate scope and next steps for developing your investor-ready business plan.