Family Law Valuation

Valuing a Business at the Start of Cohabitation

6 min read
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Based on the 2026 CBV Institute Standards
Winnipeg, Manitoba
204-951-4751

When a business was owned before a relationship began, its value at separation may answer only part of the family property question. An earlier value may also be needed to assess the change during the relevant period. Establishing that figure can be difficult when the business has grown substantially and the original records are years old.

A retrospective valuation examines the business as it existed at the instructed historical date. It requires more than taking today’s value and subtracting the growth the owner remembers. The work should give both spouses a supportable starting figure and explain the uncertainty where evidence is incomplete.

Confirm the legal starting point

Manitoba’s government guidance explains that property owned before the relationship is generally excluded, subject to exceptions, while changes in value during the relevant relationship period are generally shared. Property acquired during cohabitation immediately before marriage can also be included. The ownership history therefore deserves attention before the valuation dates are selected. [1]

Section 4 of The Family Property Act distinguishes married spouses from common-law partners and contains exceptions for property acquired in specific contemplation of the relationship. Gifts and inheritances have separate rules under section 7. Counsel should confirm the applicable period, exclusions and instructions rather than assume the moving-in date settles every issue. [2]

For example, a couple might begin living together in 2010, marry in 2014 and separate in 2025. Those dates should be given to counsel alongside the acquisition history. The valuator should receive clear instructions about which dates and interests require valuation, including any alternative scenarios needed while a legal issue remains unresolved.

Establish what was actually owned

The earlier business may have operated as a sole proprietorship before incorporation, or the owner may have exchanged common shares for different securities during a reorganization. A later holding company may contain assets that were previously held elsewhere. Comparing the current corporate name with an old balance sheet may overlook those changes.

Share registers, incorporation records and reorganization documents help trace the interest through time. The analysis should distinguish an increase in the value of an existing interest from additional interests acquired later. Counsel determines how those events affect the property accounting; the valuation should make the financial history intelligible.

Reconstruct the business at the historical date

Begin with financial statements and tax returns from the relevant period, including earlier years where available. Loan applications, purchase agreements and the accountant’s retained records may provide additional evidence. Reconcile differences between sources before relying on a figure simply because it appears in a formal document.

A year-end statement may be several months away from the required date. The valuator needs to examine material changes between them, such as a major contract, an equipment purchase or an unusual dividend. Adjusting for documented changes is more informative than dividing an annual balance or profit evenly by twelve.

The operating circumstances matter as well. Identify the customers, employees and capacity that existed then, along with the owner’s responsibilities. A company with an established management team today may have been a much more dependent and fragile operation at the start of the relationship.

For an equipment-heavy business, today’s asset list may bear little resemblance to the earlier fleet. Purchase invoices, financing schedules and disposal records can help identify what was owned and owed at the historical date. An appraiser may need to assess the earlier equipment in its condition at that time, rather than apply today’s replacement values or a general inflation adjustment. Identifying the assets is a separate task from estimating what they were worth.

Value the earlier prospects on their own evidence

The historical valuation needs earnings expectations and risks appropriate to that date. Today’s margins, customer base or valuation multiple should not simply be applied backwards. The 2026 CBV scope standard expressly requires consideration of economic conditions affecting the business as at the valuation date. [3]

Suppose a fictional distributor was negotiating a large supply agreement at the earlier date but had not secured it. The later success of that agreement does not establish that success was certain during negotiations. Contemporaneous correspondence can help distinguish an opportunity with a realistic prospect of success from a firm commitment already in place.

Documents prepared later can sometimes explain earlier circumstances, such as accounts finalized after year-end. The report should identify what the document establishes about the historical position. That is different from treating later growth, or a later failure, as an outcome a purchaser could have predicted with certainty.

Purchase price and book value are evidence to assess

The amount originally invested is not necessarily the business’s value when cohabitation began. Earnings may have improved, debt may have been repaid or the business may have deteriorated between purchase and the instructed date. The terms of an acquisition also matter: a price including financing or continued work by the seller needs interpretation.

Book equity has similar limits. Recorded equipment costs may differ from market values, and an established customer base may contribute value without appearing as an asset in the accounts. The earlier valuation still requires a method suited to the business and evidence supporting its significant assumptions.

Keep the two valuations comparable

Assume, purely for illustration, that the same ownership interest is worth $250,000 at the instructed starting date and $900,000 at separation. The arithmetic difference is $650,000. It is not automatically the amount included in the property accounting or the amount payable to either spouse.

The comparison needs consistent definitions. An earlier equity value after debt cannot be directly compared with a later operating value before debt. Identify ownership changes, shareholder loans and any tax assumptions separately so counsel can determine how the resulting figures should be used.

An apparent change in value may otherwise reflect a change in presentation. A reconciliation should explain the starting and ending interests, the valuation bases and material differences in assumptions. Consistency does not require identical methods where the business itself has changed, but those changes need explanation.

Address missing records openly

Missing financial statements do not, by themselves, demonstrate that the earlier business had no value. Equally, recollection of a successful business is insufficient support for a substantial historical figure. Identify what can be corroborated and what remains uncertain before deciding whether a credible conclusion is possible.

Practice Standard 120 requires support for significant assumptions and prohibits a conclusion where scope limitations jeopardize credibility. Choosing a Calculation report does not remove that requirement. [3] Where available evidence supports only a range, explain its basis and show which unresolved assumptions drive the difference.

Before commissioning the work, assemble the relationship dates, ownership timeline and available historical records. Acadia Hill can discuss the proposed valuation scope with you and your family law counsel, including whether further document recovery is likely to be worthwhile. An early review of the evidence helps both spouses understand what the retrospective valuation can reasonably establish.

Peter Fast, CBV, Acadia Hill

This article provides general information and is not legal, tax or accounting advice. The appropriate scope depends on the purpose, intended users, available evidence and specific circumstances of the engagement. Family law counsel should advise on how the law applies to your situation.

Sources
  • [1] Province of Manitoba, What’s Covered, particularly the discussion of property acquired before the relationship and cohabitation before marriage.
  • [2] Manitoba, The Family Property Act, C.C.S.M. c. F25, particularly sections 4 and 7.
  • [3] CBV Institute, Practice Standard 120, effective January 1, 2026, particularly paragraphs 3F, 3H to 3M, 3O, 3Q and 3S.

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