Ontario-based bookkeeping & payroll
We keep your books current and your payroll on time.
Square Ledger is an Ontario firm looking after bookkeeping and payroll for small and mid-size businesses across Canada. We keep your records CRA-ready, send your remittances in on schedule, and hand you monthly reports you can actually read.
- ✓Certified in QuickBooks, Xero & Sage — CRA-ready books
- ✓Payroll start to finish: pay runs, remittances, T4s and ROEs
- ✓Straightforward pricing, no lock-in contracts
Monthly bookkeeping
52 transactions matched · up to date ✓
Closed and reviewed on the 8th
Cashflow at a glance
Always know where you stand
Credentials you can trust
Why owners hire us
Most owners reach out at one of these three moments.
If any of these sound like you, you're exactly who we help.
The books are behind and tax season is coming
Receipts in a shoebox, accounts unreconciled, and a quiet dread about what your accountant will find. We clean it up — no judgement — then keep you current so year-end is calm, not chaos.
Payroll and CRA deadlines are eating your week
Every pay run brings another remittance, T4, or ROE to stay on top of. We handle payroll start to finish and file with the CRA on schedule — your team gets paid right, and nothing slips.
You're growing but running finance on gut feel
Revenue's up, margins are a guess, and the decisions keep getting bigger. We deliver clean monthly reports and numbers you can plan with — a real back-office that scales with you.
What we offer
One team for your books, payroll, and the CRA.
Full-cycle bookkeeping and payroll for small and mid-size Canadian businesses — handled by one team, under one roof.
Monthly Bookkeeping
Clean, reconciled books every month — no shoebox, no scramble. We categorise every transaction so you always know where you stand.
- ✓Bank & credit card reconciliation
- ✓Transaction categorisation
- ✓QuickBooks, Xero or Sage
- ✓Catch-up & cleanup available
Payroll
Every pay run, deduction, and remittance handled start to finish. Your team gets paid on time and CRA filings never slip.
- ✓Full payroll processing
- ✓CPP, EI & source deductions
- ✓T4s, ROEs & WSIB remittances
- ✓Employer Health Tax (EHT) filing
Tax & HST
HST returns and corporate tax prepared and filed with the CRA — accurately, on schedule. No missed deadlines, no penalty letters.
- ✓HST return filing
- ✓CRA remittances & correspondence
- ✓T2 corporate tax prep
- ✓Input tax credit (ITC) tracking
Financial Reporting
CRA-ready reports you can actually read — so you make decisions with real numbers, not guesses.
- ✓P&L, Balance Sheet & Cash Flow
- ✓Year-end trial balance
- ✓Plain-language summaries
- ✓Accountant-shareable exports
One partner for your entire financial picture — books, payroll, and tax under one roof.
View Our Plans →Catch-up bookkeeping
Behind on your books? We'll get you caught up.
Running a business is hard — and the books are usually the first thing to slip. When you're busy keeping everything else moving, reconciliations pile up and things get pushed to the last minute. It happens to good businesses all the time, and it's exactly what we're here for. Whatever state your books are in, we'll get you caught up, CRA-ready, and back in control.
Free assessment
We review how far behind you are and send a flat-fee quote — no hourly surprises, no obligation.
We do the heavy lifting
Reconstruct, reconcile, categorise, and bring every account current — up to years of backlog, handled for you.
You're caught up — for good
Clean, CRA-ready books in hand, and we set everything up to run on autopilot — so you stay current without lifting a finger.
How it works
From first call to fully hands-off in four simple steps.
No mystery, no long onboarding. Here's exactly what happens after you reach out.
Book a free call
A 30-minute chat about your business, your setup, and what's slowing you down. No obligation.
We set you up
We connect your accounts, set up or migrate QuickBooks, Xero or Sage, and open a secure portal — usually within days.
We take the books
Bookkeeping, payroll, HST, and reporting move to us. We handle the day-to-day and the CRA deadlines.
You run on autopilot
Clean reports land on schedule, every deadline is met, and you stay in the loop without doing the work.
Built to run on autopilot
The stack that keeps your books running efficiently.
We connect a best-in-class toolkit so data flows automatically between your bank, receipts, payroll, and reports — no manual entry, fewer errors, and numbers you can see in real time. It's how we power your bookkeeping — doing it faster, cleaner, and more accurately.
No manual data entry — bank, receipts and sales feed in automatically.
Fewer errors — one connected system means no re-keying between tools, so numbers stay consistent.
Real-time dashboards — see cashflow and KPIs without opening a spreadsheet.
On schedule, every cycle — payroll and CRA remittances filed on time.
Stop stressing about your books — let's get you sorted.
Book a Free Call →Businesses we serve
Whatever your line of work, we know its books.
From contractors to cafés, salons to storefronts, we handle bookkeeping and payroll for all kinds of Ontario businesses — and we know what makes each one different.
Don't see yours? We work with nearly every kind of small and mid-size business across Ontario.
Talk to Us →Locations we serve
Serving businesses across Ontario.
From Toronto to Ottawa, London to Windsor, we work with small and mid-size businesses right across the province.
With offices in London and Mississauga, we're a local firm you can actually reach — real people who know your business and your market.
Book a Free Call →