Starting a company: What you need to know in 2025 (Legal form, costs, tips)

Starting a company is, for many people, the most important step toward professional independence. Whether it is a service, digital product, consulting offer, or physical business model – the start determines how efficiently a company can grow. At the same time, there is great uncertainty: Which legal form makes sense? What costs arise? How can the registration be completed quickly and correctly? And how do you manage to acquire your first customers early on?

This guide is based on current requirements for 2025 and offers clearly structured answers. You will learn how the founding process works, what founders need to pay attention to, and how to make data-driven decisions. It is not just the formal incorporation that plays a decisive role, but also the strategic preparation – from the target group and financing to sales and marketing.

A comprehensive overview of the entire founding process can be found here: Founders and Startups: The ultimate guide for a successful start in business.

1. Starting a company in 2025: Overview of the process

Before discussing legal forms, costs, or subsidies, it is worth having a clear overview of all the steps.

Steps to founding a company

1. Define the business idea
2. Analyze the target group
3. Determine the business model
4. Choose the legal form
5. Plan financing
6. Registration and administrative procedures
7. Set up business account and tools
8. Start customer acquisition

Starting a company therefore means combining legal, organizational, and strategic building blocks.

2. The most important legal forms for founders

The choice of legal form has a long-term effect and influences liability, taxes, costs, and public perception.

Comparison table of the most common legal forms

You can find more details on starting a sole proprietorship in the article Starting a sole proprietorship: Checklist for the self-employed.

3. Costs when starting a company: Calculate realistically

Costs vary depending on the legal form.

Typical founding costs 2025

In addition, founders should plan for costs for marketing and customer acquisition – a point that is often underestimated.

4. Starting a company and determining the target group

The most common mistake: Founders jump too quickly into formalities without clearly defining their target group.

However, knowledge of the target group is decisive for:

• Positioning
• Product development
• Sales channels
• Marketing strategies
• Pricing

Professional industry lists and company addresses make it possible to identify target groups early and precisely. This not only improves the business plan but also makes market entry significantly faster.

You can find more about this in the article The best sales channels for startups – how to reach your first customers.

5. Developing a business idea: Inspiration and validation

Many founders are faced with the question: Which ideas for becoming self-employed are realistic?

Good ideas are characterized by:

• genuine demand
• a clear target group
• low startup costs
• competitive advantages
• scalability or clear positioning

Examples:

• digital services
• consulting and coaching
• software services
• specialized retail
• local services

Validation is best achieved through direct conversations with target customers – again with the advantage of precise B2B data.

6. Using founder platforms and startup consulting

Both digital founder platforms and classic startup consulting offer valuable support.

They help with:

• Business plan creation
• Choice of legal form
• Financing & self-employment subsidies
• Market analysis
• Formalities
• Tools and checklists

More on this in the article: Startup consulting & founder platforms: The best points of contact for startups.

7. Starting a company: Step-by-step guide

In detail:

Step 1: Define the business model

What is being sold? How is revenue generated? Which customers are being addressed?

Step 2: Create a business plan

A structured business plan is not mandatory, but very helpful.

Recommendation: Read the article "Free business plan template: How founders successfully plan their company".

Step 3: Choose the legal form

Based on risk, capital, team size, and growth targets.

Step 4: Prepare registration

Trade office, tax office, possibly notarial certification.

Step 5: Set up account, tools, accounting

Important for transparency and financial stability.

Step 6: Start customer acquisition

The decisive step for sustainable success.

This is where the following help:

• structured target group lists
• cold calling
• direct marketing
• first landing pages
• content and social selling

8. Starting successfully into self-employment

Self-employment means responsibility, but also freedom.

The most important factors for a good start:

• clear processes
• realistic financial plan
• structured customer acquisition
• continuous development
• focus on impact instead of perfection

Starting a company means more than just submitting forms – it means building a system that works sustainably.

Conclusion

Starting a company is a manageable, yet strategically significant process. Those who define their target group early, choose the right legal form, plan for realistic costs, and use professional data start much more efficiently. Startup consulting, founder platforms, and industry lists create structure and orientation.

A well-prepared founding process saves time, money, and nerves – and ensures that founders reach where it really counts more quickly: their first customers.