To file a small claim from Mississauga: confirm you're within the two-year limitation period, send a dated demand letter, identify the defendant's exact legal name, prepare a Plaintiff's Claim (Form 7A) with your documents attached and interest pleaded, and file through Ontario's online portal — Mississauga cases are administered at the Davis Courthouse in Brampton — with the $108 fee. Then serve each defendant within six months by a permitted method and file the Affidavit of Service. The defendant's 20-day defence clock starts from valid service.
- Check the two-year limitation period before anything else — it kills strong claims silently.
- A firm demand letter resolves a meaningful share of disputes for the cost of an email.
- Name the exact legal defendant — trade names over numbered companies sink Mississauga cases constantly.
- File online; the claim is administered at the Davis Courthouse serving Peel.
- Plead prejudgment interest and costs — unpleaded money is donated money.
- Serve within six months, by a permitted method, and file the Affidavit of Service.
Before Filing: The Three Checks
Three checks precede every well-filed Peel claim. Time: Ontario's Limitations Act generally gives you two years from discovering the claim — and the clock often starts earlier than people assume (the day the cheque bounced, not the day you gave up hope). Run your dates through the limitation period calculator first, because nothing else matters if the window is shut. Target: can this defendant actually pay? A judgment against the judgment-proof is a certificate, not money — assess employment, assets, and whether the business still operates before spending fees. Value: compute the real claim — principal plus interest plus recoverable costs — with the Small Claims calculator, and confirm it fits the $50,000 ceiling (or decide deliberately to abandon the excess). The broader strategic picture around these gates — venue, timelines, representation — is our complete Mississauga guide; this article is the execution manual.
The Demand Letter
Skipping the demand letter is the most common self-inflicted wound in do-it-yourself litigation. A one-page, dated, businesslike letter — the amount, the basis, a payment deadline, the stated intention to sue — resolves a meaningful share of Mississauga disputes outright, because it converts a conversation the debtor has been dodging into a document with consequences. And when it doesn't produce payment, it still produces value: Exhibit A on your reasonableness at the settlement conference, a paper trail fixing the dispute's terms, and often a written response from the other side that commits them to a story before they've thought it through. Build one in minutes with the free demand letter generator — or have us send it on firm letterhead, which lands differently on a debtor's desk. One caution: the letter does not pause the limitation clock. If the two-year window is near, file first and negotiate after; a demand letter is a tool, never a delay strategy.
Naming the Defendant Correctly
The single most consequential box on the form. Sue a person: full legal name, spelled as their ID spells it. Sue a business: the exact registered entity — and here Mississauga's commercial landscape lays traps, because the name on the truck, storefront, or Instagram is routinely a trade name draped over a numbered company. A judgment against a name that does not legally exist is expensive wallpaper. The cure is an hour of searching: corporate profile reports and business name searches through the provincial registry answer the question definitively, and when genuine ambiguity remains, naming the reasonable candidates in the alternative beats guessing. The complete method — searches, sole proprietors versus corporations, when owners are personally liable — is our guide to suing a Mississauga business. For individuals, verify the current address while you're at it: service (two sections down) depends on it, and stale addresses from old invoices are the leading cause of service failures.
Drafting the Form 7A
The Plaintiff's Claim has one job: tell a stranger — the deputy judge at Davis — what happened, what it cost you, and why this defendant owes it. The craft: plead chronologically with dates (the agreement, the breach, the demand); state the amount and how it is calculated; and attach the core documents — the contract or quote, the invoices, the key texts and emails, photos of the defective work. A claim that arrives proving itself reads differently at every later stage, from the defendant's settlement calculus to the conference judge's opening read. Keep adjectives out: “the defendant dishonestly and outrageously refused” persuades no one, while “the invoice dated March 3 remains unpaid despite written demand on April 1” wins cases. Facts with exhibits beat indignation without them — a rule that holds from the first form to the last submission, and the reason organized clients outperform angry ones at every stop on this road.
The Numbers: Principal, Interest, Costs
Three numbers belong in every claim, and unpleaded money is donated money. The principal — capped at $50,000, with any excess expressly abandoned if you are trimming to stay in the court's fast lane. Prejudgment interest — claimed from the date the money became owed, at your contract's rate if one exists or the Courts of Justice Act rate otherwise; the prejudgment interest calculator does the arithmetic in seconds, and on a months-old Mississauga receivable the figure is real money. Costs — plead recovery of filing fees, service disbursements, and representation costs, the framework the court costs calculator estimates. A worked example: a landscaper owed $21,000 since May 1 pleads the principal, contract interest at 10% per year (about $175 a month, accruing), the $108 filing fee, and roughly $150 of process-server costs — every line either a document in the package or arithmetic a clerk can verify. Round numbers with no math get discounted; built numbers get awarded.
Filing Online (and Where It Lands)
Mississauga claims file through Ontario's Small Claims online portal: create an account, enter the parties and claim details, upload the Form 7A package, pay the $108 ($228 for frequent claimants), and the system issues the claim electronically — stamped and ready for service, usually with no courthouse visit. Administratively, your file lives at the A. Grenville and William Davis Courthouse, 7755 Hurontario Street, Brampton — Peel's venue — where the counter remains available for paper filings and portal edge-cases, and where any in-person appearances will eventually happen. Fee waivers exist for litigants who financially qualify. The moment the claim issues, calendar two dates: the six-month service deadline, and your own follow-up to file proof of service — the deadline calculator tracks both, plus every clock that starts ticking afterward. An issued claim sitting unserved in a drawer is the most preventable failure in small claims practice.
Serving the Defendant
Service is where self-represented Mississauga cases stall. The rules in brief: an individual is served personally — hand the copy to them — or by the permitted alternatives, including leaving it with an adult at their residence and mailing a second copy that day or the next. A corporation is served by leaving the claim with an officer, director, or person apparently in control at its place of business, or at the registered office from your corporate search. What service is not: texting a PDF, posting to a door, or emailing and hoping — defective service voids everything built on it, including default judgments obtained months later. Peel practice tip: a professional process server costs modest money, finishes in days, and produces the clean affidavit that survives challenge — for evasive defendants, the best value line item in the case. Where a defendant genuinely cannot be served by any permitted method, the court can order substituted service on a motion showing your diligent attempts; the escalation path is covered in our provincewide hard-to-serve guide.
Proof of Service & the 20-Day Clock
Service without proof is service that never happened, as far as the court file is concerned. Complete and file the Affidavit of Service for each defendant — who served whom, when, where, how — promptly, even when the defendant has obviously received the claim; clerks process what is in the file, not what everyone knows. From valid service, the machinery runs on its own schedule: the defendant's 20 days to file a Defence; the default pathway if they don't (our Mississauga default judgment guide covers noting, clerk's judgments, and assessments); or, with a Defence filed, the settlement conference notice and the case-proper — the road our conference guide and trial guide map from here. Either way, the file you built in the filing stage — clean defendant, pleaded interest, provable service — is now compounding quietly in your favour.
The Five Filing Errors That Sink Cases
From years of inheriting broken Peel files, the recurring five. The wrong defendant — a trade name instead of the corporation, one spouse instead of the contracting party. The expired limitation — discovered after months of drafting and hoping. Service shortcuts — ordinary mail to individuals, PDFs by text — that void the default judgment obtained on them. Unpleaded interest and costs — silently donating hundreds or thousands. Kitchen-sink claims — burying a clean $18,000 invoice under $30,000 of speculative add-ons, spending credibility the core claim needed at the conference. Every one is preventable in the drafting hour, which is exactly the hour our Mississauga Small Claims team sells at a flat fee: claims drafted, filed, and served correctly the first time, for clients who want the foundation professionally poured — with full representation available for those who want the whole build. Pour the foundation right, and the Davis Courthouse is a remarkably effective machine for getting Mississauga businesses and families paid.
Frequently Asked Questions
Confirm the two-year limitation period, send a demand letter, identify the defendant's exact legal name, prepare a Plaintiff's Claim (Form 7A) with documents attached and interest pleaded, and file through Ontario's online portal with the $108 fee — the file is administered at the Davis Courthouse serving Peel. Then serve each defendant within six months and file the Affidavit of Service.
Yes — online filing is the standard route: the portal takes the claim details and documents, processes the fee, and issues the claim electronically without a courthouse visit. The Davis Courthouse counter in Brampton remains available for paper filings and edge-cases, and fee waivers exist for those who qualify financially.
$108 for most plaintiffs, $228 for frequent claimants (ten or more claims per year). Later steps — default judgment, setting a trial date, enforcement — carry their own set fees. Filing and service costs are generally recoverable from the defendant if you win, so keep every receipt.
It isn't legally required, but it is strategically close to mandatory: a firm, dated letter resolves a meaningful share of disputes outright, and becomes evidence of your reasonableness in the file that continues. It does not pause the limitation clock — if the two-year window is near, file first and negotiate after.
Individuals: personally, or by permitted alternatives like leaving the claim with an adult at their residence plus mailing a copy. Corporations: with an officer, director, or person apparently in control at a place of business, or at the registered office. Texting a PDF or posting to a door is not service — and defective service voids everything built on it.
Their 20-day defence clock starts. No Defence, and you can note them in default and pursue judgment. With a Defence, the court schedules the mandatory settlement conference, where most Peel files resolve. File your Affidavit of Service promptly either way — the machinery runs on what's in the court file.
Document your diligent attempts and bring a motion for substituted service — the court can authorize service by email, courier, a relative, or another method calculated to reach them. A professional process server is worth the modest cost for evasive defendants: fast, and their affidavit survives challenge.
Always. Plead prejudgment interest from when the money became owed — at your contract's rate, or the Courts of Justice Act rate otherwise — plus recovery of filing fees, service costs, and representation costs. Unpleaded interest is simply lost, and on aged receivables it is real money.
The legal entity behind the brand: a corporate profile or business names search reveals whether it's a numbered corporation (sue it by exact name) or a sole proprietor (sue the owner personally, carrying on business as the name). Suing a trade name that doesn't legally exist produces unenforceable judgments — the search costs little and settles it.
Yes — flat-fee drafting, filing, and service is our most-used package for Mississauga plaintiffs: the correct defendant confirmed, interest and costs pleaded, service done provably, and every deadline calendared. Full representation through the conference, trial, and enforcement is available when you want the whole road handled.

