How Does Catch-Up Bookkeeping Work When You're Years Behind?
Updated: Oct 1
Short answer: Catch-up bookkeeping means recording every missed month, oldest first, from your bank and credit card statements, invoices and receipts, then reconciling each account. Late GST/HST, payroll and tax filings can then be made from real numbers. Remote Bookkeeping publishes its monthly prices, and catch-up work is quoted after an assessment.
Catch-up bookkeeping is the work of bringing a business's books up to date when months or years of transactions were never recorded. It is different from cleanup, which fixes books that exist but are wrong. Falling behind is common, and it can be fixed: your bank has a record of almost every dollar that came in or went out.
What is catch-up bookkeeping, and how is it different from cleanup?
Catch-up fills in months that were never recorded. Cleanup fixes months that were recorded badly. A file that is years behind usually needs some of both.
Catch-up | Cleanup | |
The problem | Months or years with no entries, or only some accounts entered | Entries exist, but they are wrong or incomplete |
Typical signs | Unfiled GST/HST returns, a shoebox of receipts, no statements downloaded | Accounts that do not match the bank, duplicate entries, personal costs coded as business expenses |
What gets done | Every transaction recorded and every account reconciled, month by month | Errors corrected, balances proven, accounts reconciled |
A common cleanup item is an owner's balance nobody can explain. In a corporation, that usually lives in the shareholder loan account, and it has its own tax deadlines.
What happens if my business books are years behind?
The CRA's filing deadlines do not wait for the books. A corporation has to file a T2 return for every tax year, even if there is no tax payable. A GST/HST registrant has to file a return for every reporting period, even with no business transactions or income.
Late filings and payments cost money. As of 2026, the CRA's penalties are:
Filing | Late penalty set by the CRA |
GST/HST return | 1% of the amount owing, plus 25% of that 1% for each full month late, up to 12 months. No penalty if you owe $0 or get a refund. |
T2 corporation return | 5% of the unpaid tax, plus 1% of it for each full month late, up to 12 months. Repeat penalty: 10% plus 2% a month, up to 20 months. |
Payroll source deductions | 3% if 1-3 days late, 5% if 4-5 days, 7% if 6-7 days, 10% if more than 7 days late or not remitted. |
The CRA also charges interest on unpaid amounts. There are quieter costs too: input tax credits you never claimed, no reliable numbers for a bank loan, and no clear view of whether the business is making money.
How far back do I need to go?
Go back to the last month that was fully recorded and reconciled. For most businesses, that is the last year-end your accountant finished.
Two CRA rules set the outer limits:
Records. You must generally keep your records for six years from the end of the last tax year they relate to. If you file a return late, the six years run from the date you file it.
Input tax credits. Most businesses have four years to claim an input tax credit. Some large businesses and listed financial institutions have two. Older credits are lost, so the oldest months are worth doing first. Our post on input tax credits explains what you can claim.
Which years need tax returns filed or refiled is a question for your accountant.
How does catch-up bookkeeping work, step by step?
The books are rebuilt one month at a time, oldest first. Each month's closing balance is the next month's opening balance, so skipping ahead does not work.
Assessment. List every bank, credit card and loan account, the last month that was reconciled, and every unfiled return: GST/HST, payroll, WSIB and the T2.
Statements. Get bank and credit card statements for every missing month, from online banking or by asking the bank for copies.
Paperwork. Collect sales invoices, bills, receipts, payroll records, loan statements and any CRA letters.
Recording. Enter or import each transaction, give it the right account, and split out the GST/HST charged and paid.
Reconciliation. Match every account to its statement balance, every month, before moving on.
Late filings. File the missing GST/HST, payroll and WSIB returns from the finished books. Your accountant prepares any late T2 returns.
Monthly routine. Once you are current, keep it that way with monthly bookkeeping.
What if I've lost receipts or bank statements?
Bank statements are the easy part: your bank can provide copies. Receipts take more work, but many can be found again.
Email and online accounts. Search your inbox and supplier portals for emailed invoices and order histories.
Suppliers. Ask regular suppliers for a statement or duplicate invoices.
Know what a receipt must show. The CRA says an expense receipt should show the date, the seller's name and address, a full description, and the seller's GST/HST number if the purchase is $100 or more.
A bank statement shows that you paid, but not what you bought or how much GST/HST was charged. Good practice is to record the expense from the statement with a note that the receipt is missing, and let your accountant decide how to treat it.
How long does catch-up take, and what does it cost?
It depends on how many years are missing, how many accounts and transactions there are, and how complete the paperwork is. A clear answer comes after someone has looked at your file.
At Remote Bookkeeping, catch-up and cleanup work is not priced by transaction count. Contact us for an assessment and estimate. During a catch-up we can process your late HST returns, payroll and payroll-related filings such as T4 slips, and WSIB. The corporate tax return is done with your accountant.
Once you are current, our monthly plans have published prices. You build your plan from only the services you need, at the same price across Canada. If you want the catch-up and the monthly work together, we can bundle them in a custom plan.
Should I tell the CRA, or use the Voluntary Disclosures Program?
The Voluntary Disclosures Program (VDP) lets you correct past errors or omissions with the CRA, such as unfiled returns, in exchange for relief on penalties and part of the interest. Whether to apply is a decision to make with your accountant.
Since the VDP changes of October 1, 2025:
Unprompted applications (the CRA has not contacted you about the issue) can get 100% relief of penalties and 75% relief of interest.
Prompted applications (the CRA has contacted you) can get up to 100% relief of penalties and 25% relief of interest.
To qualify, the application must come before an audit or investigation starts, be complete, involve penalties or interest, be at least one year or one reporting period past the due date, and include payment of the estimated tax or a request for a payment arrangement. Returns that result in a refund or no tax owing are not eligible.
Frequently asked questions
Can I do catch-up bookkeeping myself?
Yes, if you have the time. The steps are the same. The parts that most often go wrong are reconciliations, the GST/HST split on each purchase, and transfers between the owner and the business.
Do I have to catch up before starting monthly bookkeeping?
In most cases, yes. Monthly bookkeeping needs a reconciled opening balance to start from. The catch-up and the monthly work can run at the same time.
Can I still claim input tax credits from past years?
Usually yes, within four years for most businesses. Claim them on a current or late return before the time limit ends.
Can the CRA cancel the penalties on my late returns?
Sometimes. Under the taxpayer relief rules, the CRA can cancel or waive penalties and interest caused by extraordinary circumstances such as a serious illness or a disaster, by CRA errors or delays, or in cases of financial hardship. The request must cover a year ending in the last 10 calendar years.
Sources
Find out if you have to file a corporation income tax return (T2) - Canada Revenue Agency
Reporting requirements and deadlines - File your GST/HST return - Canada Revenue Agency
GST/HST filing penalties - Canada Revenue Agency
Avoiding penalties - Corporation payments - Canada Revenue Agency
When to remit (pay) payroll deductions - Canada Revenue Agency
Where to keep your records and for how long - Canada Revenue Agency
Business records - Canada Revenue Agency
Input tax credits - Canada Revenue Agency
Changes to the Voluntary Disclosures Program - Canada Revenue Agency
Who is eligible - Voluntary Disclosures Program - Canada Revenue Agency
Who can apply - Cancel or waive penalties and interest - Canada Revenue Agency
About Remote Bookkeeping
Remote Bookkeeping is a Canadian-owned firm providing monthly bookkeeping, financial reporting, payroll, HST/GST filing, year-end preparation and QuickBooks Online setup for small businesses across Canada. Founded by Lia and George, with more than 30 years of combined experience. Call (289) 867-0808 or 1-800-880-9141, or contact us. Related reading: Year-End Checklist: What Does Your Accountant Need?
This article is general information for Canadian small business owners. It is not tax, legal or accounting advice for your particular situation. Rates and thresholds change - always confirm against the source linked above or ask us.
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