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№ 5 Case Study — Corporate

Capping a Personal Guarantee on a Startup's First Office Lease

A growing company's two founders were asked to personally guarantee a five-year commercial lease without limit. Negotiating the guarantee down, not the rent, protected their homes and savings.

Corporate5 min readPickering, OntarioCommercial leasing
All Corporate case studies
ClientWinnie and Anne, co-founders leasing office and warehouse space for their growing company in Pickering
The issueLandlord required an unlimited, indefinite personal guarantee on a five-year commercial lease
ServiceCommercial leasing
ResolutionGuarantee capped in dollar amount and time, releasing once the company proved itself

The situation

Winnie and Anne had built their company from a spare bedroom into a business with real revenue and a small team. Winnie had spent years as an elementary school teacher before leaving to co-found the venture; Anne had worked as a real estate agent, and her feel for property and negotiation had shaped how the two of them approached growth. Their company, now generating somewhere between $1 million and $5 million a year, had outgrown home offices and a rented desk at a shared workspace. They needed a real address: office space for the growing team and a small attached warehouse bay for inventory and equipment.

They found a property in Pickering that fit — a two-storey commercial building with office space upstairs and a warehouse unit at grade, owned by a landlord who leased several similar buildings in the area. The landlord's leasing agent, Craig, sent over an offer to lease, and Winnie and Anne, eager to secure the space before another tenant did, were ready to sign. Before they committed the company to a five-year term, they brought the offer to our team for a leasing review.

The problem

The lease itself was fairly standard for a small commercial building: a five-year term, annual rent escalations, and the tenant responsible for its proportionate share of property taxes, insurance and common area costs — a typical net lease structure for this kind of space. What stood out was the guarantee clause buried in the lease's boilerplate. It required both Winnie and Anne, personally, to guarantee every obligation the company owed under the lease — rent, additional rent, and any damages from a default — for the entire five-year term, with no cap on the dollar amount and no mechanism to end the guarantee early even if the company performed perfectly.

A personal guarantee on a commercial lease is common when a landlord is leasing to a newer company without an established credit history or years of financial statements to point to. From the landlord's perspective, a corporation can fold and leave nothing behind to collect from; a guarantee from the individuals who own and run it gives the landlord a second source of recovery. But an unlimited, term-length guarantee meant that if the company ever missed rent, fell behind during a slow stretch, or had to break the lease, the landlord could pursue Winnie and Anne personally for the full remaining value of the lease — potentially hundreds of thousands of dollars — reaching their personal savings, their homes, and any other assets they held outside the company.

That risk sat uneasily against everything else about the deal. The company was profitable and growing. Winnie and Anne were not asking the landlord to take a chance on an unproven idea — they were asking to rent space for a business that already had customers and revenue. An open-ended personal guarantee, sized to the worst five years the company could possibly have, did not match the actual risk the landlord was taking on a business already generating steady income. It also meant that every major decision the founders made about the company going forward — hiring, expansion, even a future decision to sell the business — would be shadowed by personal exposure tied to a lease neither of them could easily walk away from.

What we did

  1. Reviewed the whole lease, not just the guarantee. Before negotiating the guarantee, our team read the full offer to lease for other terms that would affect how much risk the guarantee actually represented — the rent structure, the landlord's remedies on default, the notice periods, and the company's right to assign or sublet the space if it ever needed to.
  2. Identified the guarantee as the real point of leverage. Rather than trying to negotiate rent, which the landlord had little room to move on in a market with steady demand for small commercial space, we focused the negotiation on the guarantee — the term most out of step with the company's actual financial position and the one most likely to be negotiable, since guarantees are a landlord's risk-management tool, not a profit centre.
  3. Proposed a capped dollar amount. We proposed limiting the guarantee to a fixed sum tied to a defined period of rent, rather than the open-ended value of the full remaining term. That change alone turned an unquantifiable exposure into a known, bounded number Winnie and Anne could weigh against the benefit of the space.
  4. Proposed a step-down and release schedule. We asked for the guarantee to reduce and eventually fall away entirely once the company demonstrated a track record of on-time payment — for example, after making rent payments on time through the first portion of the term, with no default. Landlords will often agree to this because a tenant who has paid reliably for a meaningful stretch has, in effect, proven the creditworthiness the guarantee was meant to backstop.
  5. Clarified what triggered liability under the guarantee. The original wording was broad enough to potentially catch disputes over items like proportionate share reconciliations or minor maintenance disagreements. We narrowed it so the guarantee responded to genuine defaults — unpaid rent or an unremedied breach after proper notice — rather than any disagreement under the lease.
  6. Negotiated directly with Craig, the landlord's leasing agent. Rather than presenting the changes as a take-it-or-leave-it counter-offer, we framed the proposal around the landlord's own interests: a capped, time-limited guarantee that still gave real protection during the riskiest early years, in exchange for a tenant willing to sign a full five-year term rather than pushing for a shorter one.

The outcome

The landlord agreed to the structure. The final lease capped the personal guarantee at an amount equal to roughly eighteen months of rent, rather than the full five years, and provided that the guarantee would step down by half after two years of on-time payment and fall away entirely after three, provided the company remained in good standing. The guarantee was also narrowed to respond only to an actual, unremedied default, not to routine billing disagreements.

Winnie and Anne signed the lease and moved the company into the Pickering space on schedule. Two years later, having paid rent on time throughout, the guarantee reduced automatically as agreed — no renegotiation needed, because the mechanism was built into the lease from the start. Neither founder ever faced a call on the guarantee, but the difference was not cosmetic: for two years, their personal exposure was a known, capped figure rather than an open-ended one tied to five years of a lease they could not fully predict. When the company later considered opening a second location, Winnie and Anne again asked for a leasing review before signing anything — this time knowing exactly which clause to look at first.

What you can learn from this

  • A personal guarantee on a commercial lease is negotiable. Landlords ask for the broadest guarantee they can get; that is a starting position, not a fixed requirement, especially once a tenant has real revenue to point to.
  • Cap the dollar amount, not just the idea of the guarantee. An unlimited guarantee tied to a five-year term can expose personal assets to an amount far larger than any reasonable landlord actually needs as security.
  • Ask for a release or step-down schedule tied to payment history. A tenant that pays on time for a meaningful stretch has demonstrated the reliability the guarantee was meant to insure against, and many landlords will agree to reduce or end the guarantee once that track record exists.
  • Read what triggers the guarantee, not just its size. A guarantee written to respond to any dispute under the lease is far riskier than one limited to genuine, unremedied default after proper notice.
  • Have a lease reviewed before signing, not after a dispute arises. The terms that matter most in a commercial lease are often the ones a growing company is least likely to read closely in the rush to secure space.
This case study is entirely fictional. It does not describe any real client, file, or matter handled by Treadstone Law, and it is not a real file with details changed. All names, people, properties, businesses, dollar amounts, dates, and events are invented, and any resemblance to a real person, business, or situation is coincidental. Fictional scenarios like this one illustrate the kinds of legal issues people in Ontario commonly face and how a lawyer can help. They are general information, not legal advice — no two matters unfold the same way, and nothing here predicts the outcome of any real case. Reading a case study does not create a lawyer-client relationship. If you are facing something similar, speak with a lawyer about your specific circumstances.

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