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When Do You Need a Chartered Business Valuator?

A Guide for Business Owners & Legal Advisors 

Business value comes into focus when something changes. A dispute arises. A shareholder exits. A business owner plans for succession. Or the CRA asks questions. In these moments, understanding what a business is truly worth isn’t optional; it’s essential. 

That’s where a Chartered Business Valuator (CBV) comes in. 

This guide explains when you need a CBV, how they differ from other financial professionals, and why independent business valuation plays a critical role in legal, tax, and strategic decisions. 

What Is a Chartered Business Valuator (CBV)? 

A Chartered Business Valuator is a credentialed professional trained to provide independent, defensible valuations of businesses, shares, and intangible assets. CBVs follow rigorous professional standards and are often relied upon in legal, tax, and regulatory matters where objectivity and methodology matter. 

Unlike informal estimates or rule-of-thumb calculations, a CBV valuation is designed to withstand scrutiny from courts, the CRA, shareholders, and opposing counsel. 

When a CBV Is Required 

There are several situations where engaging a CBV is not only helpful, but necessary. 

1. Shareholder Disputes or Buyouts 

When shareholders disagree or one party exits the business, value quickly becomes a point of tension. Different assumptions, expectations, or personal interests can lead to conflicting views of what the business, or a shareholder’s interest is actually worth. 

A Chartered Business Valuator provides an independent, objective assessment that helps ground negotiations in facts rather than opinions. This can be critical in avoiding prolonged disputes and supporting fair, defensible outcomes for all parties involved. 

Common scenarios include: 

  • Shareholder oppression claims, where valuation is required to assess financial harm or fair compensation 
  • Partnership dissolutions, including disputes over profit allocation or exit terms 
  • Mandatory buy-sell agreements, where a triggering event requires shares to be valued under predefined or contested terms 

Courts frequently rely on CBV reports because they follow established valuation standards and clearly document assumptions, methodologies, and conclusions. This neutrality makes CBV valuations especially valuable when matters escalate to litigation or arbitration. 

2. Divorce and Family Law Matters 

In family law proceedings, a privately held business often represents one of the most significant and complex assets to value. Unlike publicly traded securities, private businesses lack an observable market price, making independent valuation essential. 

CBVs are commonly retained to determine the fair value of business interests for the purpose of calculating net family property. They may be engaged as joint experts or as independent valuators to support negotiations, mediation, or court proceedings. 

A CBV considers factors such as: 

  • Normalized earnings and cash flow 
  • Business risk and sustainability 
  • The extent to which value is tied to the owner’s personal involvement 

This approach helps ensure outcomes are fair, transparent, and based on sound financial analysis rather than assumptions or informal estimates. 

3. Tax Planning and CRA Matters 

The Canada Revenue Agency expects formal valuation support for many tax-driven transactions, particularly where value directly affects tax outcomes. Informal estimates or unsupported assumptions may increase the risk of reassessment or dispute. 

Common situations requiring CBV involvement include: 

  • Estate freezes, where share values must be carefully established 
  • Section 85 rollovers, involving the transfer of assets at elected values 
  • Capital gains planning, including crystallization strategies 
  • Share redemptions and related-party transactions 

A CBV helps ensure that values used for tax purposes are reasonable, well-documented, and defensible. This documentation is especially important if the CRA later reviews or challenges the transaction. In many cases, proactive valuation can reduce uncertainty and support smoother implementation of tax strategies. 

4. Succession and Estate Planning 

Whether a business will be transferred to family members, management, or a third party, valuation is a cornerstone of effective succession and estate planning. Without a clear understanding of value, it is difficult to make informed decisions about timing, structure, or tax exposure. 

A CBV helps business owners answer critical questions, such as: 

  • Is the business financially ready for transition? 
  • What tax exposure could arise on death, retirement, or transfer? 
  • How should ownership be structured to balance fairness, control, and tax efficiency? 

By establishing a credible valuation early, business owners can plan proactively while aligning personal, family, and business goals, rather than reacting under pressure due to illness, death, or unexpected disputes. 

5. Litigation and Expert Witness Support 

In commercial litigation, CBVs are often retained as expert witnesses to provide independent opinions on business value, economic loss, or financial damages. Their role is to assist the court by presenting clear, unbiased analysis grounded in accepted valuation principles. 

CBVs prepare detailed valuation reports and may provide testimony that aligns with court rules and evidentiary standards. Importantly, their role is not advocacy for one side, but independence, credibility, and clarity, qualities that are essential in complex financial disputes. 

CBV vs. CPA: Who Do You Call and When 

Both CBVs and CPAs play important roles, but their expertise differs. 

CPA 

  • Financial reporting and compliance 
  • Tax filings and planning 
  • Business advisory and forecasting 

CBV 

  • Independent business valuations 
  • Dispute-related value analysis 
  • Litigation and CRA-defensible reports 

In many cases, CPAs and CBVs work together, particularly in complex tax or restructuring scenarios. 

Why Independence Matters 

The key distinction of a CBV is independence. When value affects legal rights, tax exposure, or financial outcomes, assumptions must be objective and supportable. 

An independent CBV reduces: 

  • Risk of disputes escalating 
  • CRA challenges 
  • Court rejection of valuation methods 

For business owners and legal advisors alike, this independence protects credibility. 

How Mowbrey Gil Can Help 

Mowbrey Gil’s Chartered Business Valuators work closely with business owners, lawyers, and advisors to deliver clear, credible, and defensible valuations, whether for planning, dispute resolution, or tax compliance. 

If you’re facing a situation where business value matters, our team can help you understand your options and move forward with confidence. 

Book a consultation with the Mowbrey Gil team to discuss your valuation needs and planning considerations. 

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