1. Choose a Company

Start with a company you understand or want to learn more about. It could come from an industry you follow, a product you use, a recommendation, or simply a company that caught your attention.

At this stage, don't worry about whether the stock is a buy. You are simply creating a candidate for further research.

2. Understand the Business

Before looking at ratios and valuation, understand the business itself.

Look at its products, customers, competitors, industry, competitive advantages and growth opportunities. You should be able to explain in simple terms why this company can continue making money in the future.

If you can't understand the business, there is no reason to move forward.

3. Analyze Financial Health

Now look at the numbers.

Review the income statement, balance sheet and cash flow statement over several years rather than focusing only on the latest quarter.

Is revenue growing? Are margins stable? Is the company generating cash? How much debt does it have? How efficiently does it use shareholders' capital?

Financial ratios can help you compare the company with its competitors and its own history. The goal isn't to find perfect numbers, but to understand the financial quality of the business and its risks.

4. Estimate What the Company Is Worth

A great company isn't necessarily a great investment at any price.

A Discounted Cash Flow (DCF) analysis can help estimate what the business could be worth based on the cash it may generate in the future.

The goal isn't to find a perfectly precise intrinsic value. It's to understand what expectations are already reflected in the current stock price.

5. Evaluate Management

Numbers tell you what happened. Management decisions help determine what happens next.

Look at how management allocates capital, handles debt, invests in the business, buys back shares, pays dividends and makes acquisitions. Also compare what management says with what actually happens.

Good management doesn't guarantee a successful investment, but poor capital allocation can destroy shareholder value even in a good business.

6. Build Your Investment Thesis

Now put everything together.

Why do you believe the company will perform well? What are the main drivers of future growth? What could go wrong? Which assumptions does your valuation depend on? And what would make you change your mind?

Writing the thesis down makes it easier to distinguish an investment decision from a temporary emotional reaction to the stock price.

At this point, you should have an opinion about the business and its valuation. But there is still one practical decision to make.

7. Choose Where to Buy the Stock

The same company can sometimes trade on multiple exchanges, and the cheapest-looking option isn't always the best one.

For European investors, check the trading currency, liquidity, bid-ask spread, broker fees, currency conversion costs and applicable taxes, including dividend withholding tax.

Tax treatment can differ depending on your country of residence, the security and where it is traded. Make sure you understand the costs before placing the order.

8. Make the Final Decision

You now have the information needed to make an informed decision: you understand the business, its financial health, valuation and management, you've built your investment thesis, and you've considered the practical costs of owning the stock.

The final question is simply whether the expected return justifies the risks at the current price.

If it does, you can decide how much to invest and at what price. If it doesn't, doing nothing is also a valid investment decision.

There will always be another opportunity.

A good investment process isn't about finding the next stock that will double. It's about having a repeatable way to decide what to buy, what to pay, and when to walk away.