Treadstone Associates
Case File · Buy And Build

A bolt-on that broke the platform's service model

Anonymised, illustrative composite. A platform applied its own standard governance paperwork, unmodified, to a bolt-on whose value sat entirely inside the person that paperwork disempowered.

Treadstone Associates · Updated 2026

At a glance

  • • A residential HVAC services platform completed a $1,100,000 bolt-on acquisition of a smaller competitor, with the founder rolling 15% equity into the platform under a tax-deferred share exchange.
  • • The platform's standard unanimous shareholder agreement, copied unmodified from its larger portfolio companies, removed all operating authority from minority shareholders — including the founder.
  • • The founder had personally serviced 60% of the acquired book's recurring revenue, worth $480,000 a year.
  • • Within twelve months of losing day-to-day authority over his own accounts, the renewal rate on that book fell from 92% to 54%, costing $182,400 in annualised recurring revenue — 16.6% of the purchase price, in one year.

The situation

A PE-backed residential HVAC services platform completed its fourth acquisition: a $1,100,000 bolt-on purchase of a smaller, founder-run competitor. As part of the deal, the founder rolled 15% of the consideration into equity in the platform's own holding vehicle under a tax-deferred share exchange, remaining on as a general manager for the acquired territory. See the bolt-on acquisition glossary entry and the platform investment glossary entry for the surrounding structure.

The problem

The platform's standard-form unanimous shareholder agreement — the same governance document used across its larger, professionally managed portfolio companies — was applied to the bolt-on unmodified. Its terms centralised all operating authority in the platform's own board and management, leaving minority shareholders, including the newly rolled-in founder, with no day-to-day decision rights over the business he had just sold. Within weeks, the founder found himself reporting through the platform's central dispatch and account-management systems, with no direct authority over “his” legacy client relationships.

The numbers

The founder had personally serviced roughly 60% of the acquired book's recurring maintenance-contract revenue — $480,000 of the target's $800,000 in annual revenue — built over years of direct relationships with property managers and repeat residential clients. Historically, that segment renewed at 92% a year. In the first renewal cycle after the founder lost operating authority over those accounts, the renewal rate fell to 54%.

(0.92 − 0.54) × $480,000 = $182,400 in annualised recurring revenue that did not renew — 16.6% of the $1,100,000 purchase price, in the first year alone.

The rule that decided it

The governance mechanism behind the platform's standard agreement is a unanimous shareholder agreement under section 146 of the CBCA, which is “valid” when signed by all shareholders, and which shifts “all the rights, powers, duties and liabilities of a director of the corporation” to whoever the agreement gives them to, relieving the actual directors “to the same extent.” That is precisely what the platform's paperwork did — lawfully, and exactly as intended for its other, professionally run portfolio companies. Applied without modification to a business whose entire value proposition was one person's client relationships, the same clause that protects governance discipline elsewhere quietly disconnected the founder from the accounts the deal had been priced to acquire.

The outcome

The platform amended the USA to carve out a defined, contract-specific operating authority for the founder over his legacy accounts for a 24-month transition period — the arrangement that, with hindsight, should have been negotiated into the original agreement at signing rather than retrofitted after a year of client attrition.

For a related roll-up integration problem, see three add-ons in eighteen months, one brand, and for the holding structure the founder's equity sits inside, the holding company glossary entry.

What it would have cost otherwise

Left unamended, the same attrition pattern applied across the remainder of the founder's book risked losing the majority of the $480,000 in recurring revenue the platform had specifically paid for — not because of competition or price, but because the paperwork governing the deal had removed the one person the clients actually trusted from any authority over serving them. A 24-month, narrowly scoped governance carve-out cost the platform far less than a second year of the same 38-point renewal drop would have.

The tell

The platform's own diligence checklist had flagged owner-dependence risk on this target — correctly, and in writing, before signing. Nobody then checked whether the platform's own standard-form governance paperwork was compatible with keeping that owner engaged. The risk was identified once, on the way in, and reintroduced once, by the acquirer's own boilerplate, on the way out the other side of closing.

Takeaways

  • • A unanimous shareholder agreement under CBCA s.146 lawfully shifts all operating authority away from minority shareholders — exactly what makes it useful for professionalising governance, and exactly what makes it dangerous when the minority shareholder is also the business's key relationship holder.
  • • Owner-dependence risk flagged in diligence is only half the check; the other half is whether the deal's own governance paperwork reintroduces the same risk after closing.
  • • A defined, time-limited operating carve-out for a key founder costs far less, negotiated at signing, than the same carve-out negotiated a year later after measurable client attrition.
  • • Standard-form portfolio-company paperwork built for professionally managed businesses does not automatically fit a relationship-driven bolt-on — check the fit before applying it unmodified.

Sources

  • Canada Business Corporations Act s.146 — marginal note Unanimous shareholder agreement.
  • • No Treadstone Law page covers post-acquisition service-model integration; the operational judgements in this file rest on the deal record, not on law.

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