Business Valuation Methods Explained | 商科考点：企业估值方法精讲

📚 Business Valuation Methods Explained | 商科考点：企业估值方法精讲

Valuing a business is one of the most critical skills in corporate finance and investment analysis. Whether you are assessing a takeover target, preparing for an IPO, or negotiating a share purchase agreement, the valuation method you choose can significantly alter the final price. This article provides a comprehensive breakdown of the key business valuation methods tested in A-level Business Studies and equivalent qualifications.

企业估值是公司金融与投资分析中最关键的技能之一。无论是评估收购目标、筹备上市，还是谈判股权购买协议，你所选择的价值评估方法都会显著影响最终定价。本文系统梳理A-level商科及同等资格考试中重点考查的企业估值方法。

1. Core Valuation Concepts | 核心估值概念

Valuation is the process of determining the economic worth of a company. The figure is not an absolute truth, but an estimate based on the method, assumptions, and data used. Different stakeholders—buyers, sellers, investors, and regulators—may assign different values to the same business depending on their perspective and objectives.

估值是确定一家公司经济价值的过程。该数值并非绝对事实，而是基于所用方法、假设和数据的一种估算。不同的利益相关方——买方、卖方、投资者和监管机构——可能因视角和目的不同，对同一家企业给出不同估值。

Two fundamental concepts underpin all valuation approaches:

所有估值方法都建立在两个基本概念之上：

Going concern value: the value of a business as an ongoing operation, assuming it will continue to trade in the foreseeable future.
Liquidation value: the net amount that would be received if all assets were sold individually and liabilities settled.

持续经营价值：企业作为持续运营主体的价值，假设其在可预见的未来继续经营。
清算价值：若将所有资产单独出售并清偿负债后所能获得的净额。

2. Asset-Based Valuation | 资产基础估值法

The asset-based approach calculates a company’s value based on the value of its net assets. The simplest formula is net asset value (NAV), which equals total assets minus total liabilities. In the balance sheet, this is the shareholders’ equity or net book value.

资产基础法根据公司净资产的价值来计算企业价值。最简单的公式是净资产价值（NAV），等于总资产减去总负债。在资产负债表中，这对应股东权益或账面净资产。

Net Asset Value = Total Assets − Total Liabilities

净资产价值 = 总资产 − 总负债

However, book values can be misleading. Assets recorded at historical cost may have significantly different market values. Therefore, a more accurate approach is the adjusted net asset method, which revalues each asset and liability to current market or replacement value.

然而，账面价值可能具有误导性。以历史成本记录的资产，其市场价值可能会有显著差异。因此，更准确的做法是调整后净资产法，即将每项资产和负债重新按其当前市场价值或重置价值评估。

Strengths: Objective and relatively easy to compute; particularly useful for asset-heavy businesses such as property companies or holding firms.

Limitations: Ignores intangible factors like brand reputation, staff skills, and growth potential; unsuitable for service-based or technology companies where intangible assets dominate.

优势：客观且相对容易计算；特别适用于重资产企业，如房地产公司或控股企业。

局限：忽略了品牌声誉、员工技能和增长潜力等无形因素；不适用于以无形资产为主的服务业或科技公司。

3. Price-Earnings (P/E) Ratio Method | 市盈率估值法

This is one of the most widely used valuation methods in practice. It applies an industry-standard P/E multiple to the target company’s earnings. This is a relative valuation method, meaning the business is compared with similar quoted companies.

市盈率法是实务中最广泛使用的估值方法之一。它将行业标准的市盈率倍数应用于目标公司的盈利。这是一种相对估值法，即目标企业需要与类似上市公司进行比较。

Valuation = P/E Ratio × Earnings (Profit After Tax)

企业估值 = 市盈率 × 净利润（税后利润）

Choosing the P/E ratio: The ratio can be taken from a similar quoted company, the industry average, or historical trends. A higher P/E ratio typically indicates the market expects future growth; a lower ratio might suggest the company is undervalued or faces risks.

市盈率的选择：该比率可取自类似上市公司、行业平均或历史趋势。较高的市盈率通常表明市场预期未来增长；较低的比率可能暗示公司被低估或面临风险。

Example: A company’s profit after tax is £500,000, and the industry average P/E is 12. The estimated market value would be £6,000,000 (500,000 × 12).

示例：某公司税后利润为50万英镑，行业平均市盈率为12倍，则其估计市值为600万英镑（50万 × 12）。

For unlisted companies, a discount is often applied — typically 20% to 40% — because their shares lack marketability.

对于非上市公司，通常需要给予20%至40%的折价，因为其股份缺乏流通性。

4. Dividend Valuation Model | 股息估值模型

The dividend-based approach values a company based on the future dividends it is expected to pay. The most common version is the dividend growth model (Gordon Growth Model), which assumes dividends grow at a constant rate indefinitely.

股息基础法根据公司预期支付的未来股息来进行估值。最常见的版本是股息增长模型（戈登增长模型），该模型假设股息以恒定速率无限期增长。

Share Price = Dividend per Share ÷ (Required Return − Dividend Growth Rate)

股价 = 每股股息 ÷（要求回报率 − 股息增长率）

Alternatively, the total value of a business can be calculated as:

或者，企业总价值可以计算为：

Market Capitalisation = Total Dividends ÷ (Required Return − Growth Rate)

市值 = 总股息 ÷（要求回报率 − 股息增长率）

This method works best for companies with stable, predictable dividend policies, such as mature utility companies. However, many fast-growing firms pay little or no dividend, making this model unsuitable for them.

该方法最适合股息政策稳定且可预测的公司，如成熟的公用事业企业。然而，许多快速成长的公司派发很少或甚至不派发股息，因此该模型并不适用于此类企业。

Key limitation: The model is highly sensitive to both the required rate of return and the growth assumption. A small miscalculation in either variable leads to a large discrepancy in the final valuation.

关键局限：该模型对要求回报率和增长率假设都高度敏感。其中任一变量的小幅计算误差都将导致最终估值出现较大偏差。

5. Discounted Cash Flow (DCF) Analysis | 现金流折现分析

DCF is regarded by many finance professionals as the most theoretically sound valuation method. It values a company based on the present value of its expected future cash flows. The key advantage is that it considers the time value of money — a pound received today is worth more than a pound received in the future.

现金流折现法被许多金融专业人士视为理论上最完善的估值方法。它基于预期未来现金流的现值来评估企业价值。其核心优势在于考虑了货币的时间价值——今天收到的一英镑比未来收到的一英镑更值钱。

The steps in DCF valuation are:

现金流折现估值的步骤如下：

Forecast free cash flows for a specific period (usually 5-10 years).
Determine a suitable discount rate (the weighted average cost of capital, WACC).
Calculate the present value of each future cash flow.
Estimate a terminal value representing all cash flows beyond the forecast period.
Add the present values together to obtain the enterprise value.

预测特定期间（通常5至10年）的自由现金流。
确定合适的折现率（加权平均资本成本，WACC）。
计算每笔未来现金流的现值。
估算终值，用以代表预测期之后的所有现金流。
将所有现值相加，得到企业总价值。

The present value formula is:

现值公式为：

PV = CFₙ ÷ (1 + r)ⁿ

Where PV is present value, CFₙ is cash flow in year n, r is the discount rate, and n is the number of periods.

其中PV为现值，CFₙ为第n年的现金流量，r为折现率，n为期数。

Strengths: Forward-looking; reflects growth and risk explicitly; less affected by short-term market sentiment.

Weaknesses: Highly dependent on projections, which are often inaccurate; requires estimating WACC, which is complex; time-consuming and costly to implement.

优势：具有前瞻性；明确反映增长和风险；受短期市场情绪影响较小。

劣势：高度依赖预测，而预测往往不准确；需要测算WACC，过程复杂；实施耗时且成本高。

6. Comparable Company Analysis | 可比公司分析

Also known as “comps,” this method values a target company by comparing it with similar publicly traded companies. A set of valuation multiples — such as P/E, EV/EBITDA, or price-to-book — is calculated for the comparable firms, then applied to the target company.

可比公司分析（英文简称comps）通过与类似的上市公司比较来评估目标公司价值。先计算可比公司的一组估值倍数——如市盈率（P/E）、企业价值/息税折旧摊销前利润（EV/EBITDA）或市净率（P/B）——再将其应用于目标公司。

Enterprise Value = EBITDA × EV/EBITDA Multiple

企业价值 = EBITDA × EV/EBITDA 倍数

This method is popular because it is quick, intuitive, and reflects current market conditions. However, its accuracy depends on the quality of the comparable selection — there is no exact twin for any company, and the market itself may be over- or under-valued at any given time.

该方法因快捷直观并能反映当前市场状况而广受欢迎。然而，其准确性取决于可比公司选择的质量——任何公司都没有完全相同的配对，且市场本身在特定时期可能被高估或低估。

7. Market Capitalisation Approach | 市值法

For publicly listed companies, the simplest valuation is market capitalisation, calculated by multiplying the share price by the number of issued shares.

对于上市公司，最简单的估值是市值法，即用股价乘以发行股份总数。

Market Capitalisation = Current Share Price × Total Number of Shares Issued

市值 = 当前股价 × 发行股份总数

This method measures what the equity market believes the company is worth at a given moment. It is objective, transparent, and free from estimation bias. However, market price can be influenced by short-term speculation, panic selling, or market manipulation, so the market capitalisation may not reflect intrinsic or long-term value.

该方法反映的是股票市场在某一时刻认为公司值多少钱。它客观、透明且不存在估算偏差。然而，市场价格可能受到短期投机、恐慌抛售或市场操纵的影响，因此市值不一定反映内在价值或长期价值。

In a takeover context, the acquirer usually pays a premium above the prevailing market capitalisation to persuade shareholders to sell their shares. This bid premium often ranges from 20% to 50%.

在收购情境中，收购方通常会在当前市值之上支付溢价，以说服股东出售其股份。该要约溢价通常在20%至50%之间。

8. Industry-Specific Valuation Factors | 行业特定估值因素

The choice of valuation method often depends on the industry in which the target company operates. Each sector has characteristics that make certain approaches more relevant than others.

估值方法的选择通常取决于目标公司所在的行业。每个行业都有其特点，使得某些方法比其他方法更具适用性。

Industry 行业	Preferred Method 首选方法	Reason 原因
Property 房地产	Asset-based 资产基础法	Tangible assets dominate 有形资产占主导
Technology 科技	DCF / Revenue multiple 现金流折现 / 收入倍数	High growth, low current earnings 高增长，当前盈利低
Retail 零售	P/E ratio 市盈率法	Stable earnings, comparable firms 盈利稳定，可比公司多
Financial services 金融服务	Price-to-book 市净率法	Assets are financial in nature 资产以金融属性为主

Students should always justify their choice of valuation method in exam answers by linking the method to the characteristics of the business being valued.

在考试作答中，学生应始终将估值方法的选择与目标企业的特征相联系，为自己的方法选择提供合理理由。

9. Common Errors in Valuation | 估值中的常见错误

Examiners frequently test candidates’ understanding of valuation pitfalls. Being able to identify and explain these errors demonstrates a deeper grasp of valuation principles.

考官经常考查考生对估值陷阱的理解。能够识别并解释这些错误，表明考生对估值原则有更深层次的掌握。

Confusing profit with cash flow: Profit is an accounting measure; cash flow reflects actual money moving in and out of the business.
Using an inappropriate P/E ratio: Applying the P/E of a high-growth tech firm to a mature manufacturing business produces a distorted result.
Ignoring the risk profile: Two firms with identical earnings may warrant different valuations if one carries significantly more debt.
Overestimating future growth rates: Past performance is not always a reliable indicator of future expansion.
Failing to account for synergy: In an acquisition, the buyer may pay a premium due to expected cost savings or revenue enhancement.

混淆利润与现金流：利润是会计计量指标；现金流反映实际进出企业的资金。
使用不恰当的市盈率：将高增长科技公司的市盈率应用于成熟的制造企业会产生扭曲的结果。
忽略风险特征：两家盈利相同的公司，如果其中一家背负明显更多的债务，其估值应有不同。
高估未来增长率：过去的业绩并不总是未来扩张的可靠指标。
未考虑协同效应：在收购中，买方可能因预期成本节约或收入提升而支付溢价。

10. Choosing the Right Method | 如何选择正确的估值方法

In real-world practice, professional valuers rarely rely on a single method. Instead, they use multiple approaches and cross-check the results to establish a valuation range. Each method provides a different lens on the company’s worth.

在现实实践中，专业估值人员很少依赖单一方法。相反，他们使用多种方法并交叉检验结果，以确定一个估值区间。每种方法都为公司价值提供了一个不同的视角。

For examination purposes, consider the following three factors when choosing a method:

就考试目的而言，在选择题前应考量以下三个因素：

Purpose of valuation: Is it for a takeover bid, an IPO, taxation, or shareholder dispute? Takeovers often warrant a premium to market price.
Nature of the business: Asset-heavy or asset-light? Stable earnings or volatile? Listed or unlisted?
Data availability: Is reliable earnings data available? Can we obtain comparable market multiples?

估值目的：是用于收购要约、首次公开募股、税务还是股东纠纷？收购通常需要溢价于市场价格。
企业性质：重资产还是轻资产？盈利稳定还是波动？上市还是非上市？
数据可得性：是否有可靠的盈利数据？能否获取可比市场倍数？

As a practical rule, asset-based methods provide a floor value; P/E and dividend methods establish a comparative market value; and DCF offers the most theoretically robust intrinsic value.

作为实用规则：资产基础法提供价值底线；市盈率法和股息法确定比较市场价值；而现金流折现法则提供理论上最稳健的内在价值。

11. Worked Exam Example | 考试例题精解

Let us work through a typical exam-style question to consolidate the concepts covered above.

下面通过一道典型的考试风格例题来巩固以上概念。

Scenario: Aisha owns 100% of Aisha’s Bakery Ltd, a private company. Profit after tax this year is £180,000. The company’s net assets are valued at £950,000. Industry average P/E is 10. Aisha needs to raise £1.2 million for expansion and is considering selling a 40% stake to an investor.

情境：Aisha拥有Aisha’s Bakery Ltd的100%股份，该公司为非上市公司。本年税后利润为18万英镑。公司净资产价值为95万英镑。行业平均市盈率为10倍。Aisha需要筹集120万英镑用于扩张，正考虑向投资者出售40%的股权。

Step 1 — P/E valuation:

第一步 — 市盈率估值：

Total Value = £180,000 × 10 = £1,800,000

总估值 = 180,000英镑 × 10 = 1,800,000英镑

Step 2 — Apply a private company discount: Assume a 30% discount for lack of marketability.

第二步 — 应用非上市公司折价：假设市场流通性不足折价为30%。

Adjusted Valuation = £1,800,000 × (1 − 0.30) = £1,260,000

调整后估值 = 1,800,000英镑 × (1 − 0.30) = 1,260,000英镑

Step 3 — Compare with net asset value: £950,000. The asset-based valuation is much lower because the bakery’s main value lies in its brand, recipes, and customer base — not physical assets.

第三步 — 与净资产价值比较：95万英镑。资产基础法估值低得多，因为面包店的主要价值在于其品牌、配方和客户基础——而非有形资产。

Step 4 — Value of a 40% stake: 40% of £1,260,000 = £504,000. Therefore, selling 40% at this valuation raises significantly less than the target of £1.2 million. Aisha may need to reconsider her plans or negotiate a higher valuation based on future growth projections.

第四步 — 40% 股权的价值：126万英镑的40% = 50.4万英镑。因此，按此估值出售40%股权筹集的资金远低于120万英镑的目标。Aisha可能需要重新考虑她的计划，或基于未来增长预测协商更高的估值。

This example illustrates why valuation matters in real decision-making: the method chosen directly affects how much capital can be raised and the ownership proportion surrendered.

这个例子说明了估值在真实决策中的重要性：所选方法直接影响能够筹集多少资本以及需要出让的所有权比例。

12. Summary and Exam Tips | 总结与应试建议

Valuation is not a single formula but a framework of judgement, assumptions, and comparisons. A successful candidate should be able to compute basic valuations accurately, explain the logic behind each method, critique their weaknesses, and choose the appropriate method for a given context.

估值不是一个单一的公式，而是一套包含判断、假设和比较的框架。优秀的考生应能准确计算基本估值、解释每种方法背后的逻辑、评析其缺点，并为给定情境选择合适的方法。

Top tips for exams:

高分应试建议：

Always state the formula before substituting numbers into it.
Use units consistently (£000, £m) and clearly label the answer.
Comment on the strengths and limitations of the method used.
Discuss how different methods can lead to different valuations, and suggest a reasonable range.
Link the chosen method to the purpose of the valuation and the nature of the business.
Remember that unlisted companies typically warrant a discount for lack of marketability.

先写出公式，再代入数值。
保持单位一致（千英镑、百万英镑等），并清晰地标注答案。
评价所用方法的优势和局限。
讨论不同方法如何导致不同估值，并提出合理的估值区间。
将所选方法与估值目的及企业性质联系起来。
记住非上市公司通常需要因流动性不足而折价。

Mastering business valuation methods will not only earn marks in examinations but will also build a solid foundation for university-level corporate finance studies.

掌握企业估值方法不仅能在考试中获取分数，也将为大学阶段的公司金融学习奠定坚实基础。

Published by TutorHao | Business Revision Series | aleveler.com

更多咨询请联系16621398022（同微信）

Business Valuation Methods Explained | 商科考点：企业估值方法精讲