Accounting Software Built for Canadian Accounting Firms

What does accounting software mean for an accounting firm?

For a firm, accounting software means two different products. One keeps a client's books — QuickBooks, Xero, Sage. The other runs the firm: who the clients are, what the firm has agreed to do for each of them, when each obligation is due, and who owns it. SpidNums is the second kind.

The distinction matters because the two fail differently. A ledger fails when a transaction is coded wrong, and the error is visible in a report. The firm layer fails silently: a corporate client whose year-end was in September has a T2 due in March and a balance that was due in December, and nothing in the ledger says so. A firm running on a spreadsheet finds out when the CRA does.

This page is the platform overview. If you already know which part of the practice you are solving for, the bookkeeping, tax, payroll and practice-management pages go deeper on each.

Which CRA deadlines does a Canadian firm have to track?

Six recurring obligations cover almost every small-business client: personal returns, corporate returns, sales tax, payroll remittances, information slips and instalments. Their due dates come from different rules, which is exactly why one calendar per client does not work.

Each rule below is stated the way the CRA states it. Where a due date falls on a weekend or public holiday, the next business day is treated as on time — so compute the shifted date each year rather than carrying last year's calendar forward.

Why is filing on time not the same as paying on time?

Several CRA obligations run two clocks, and interest starts from the payment date rather than the filing date. A corporation files its T2 six months after year-end but owes its balance two months after year-end — three months for an eligible Canadian-controlled private corporation claiming the small business deduction. A self-employed individual files by June 15 and still owes any balance on April 30.

A firm that stores one date per client is exposed on every file where the two differ. SpidNums keeps the filing date and the earlier payment date as separate checkpoints on the same file, so the balance-due date is visible months before the return is drafted.

• T2 return: six months after fiscal year-end.
• T2 balance: two months after year-end, or three for eligible CCPCs claiming the small business deduction.
• T1 for the self-employed: file June 15, pay April 30.
• GST/HST monthly and quarterly: file and pay one month after the period ends.

How does sales tax change what a firm has to track?

The sales-tax obligation is not the same across the country, and it changes the shape of the work rather than only the rate. Ontario, New Brunswick, Prince Edward Island, Newfoundland and Labrador and Nova Scotia use a harmonized tax administered by the CRA — one registration, one return. British Columbia, Saskatchewan and Manitoba layer a separate provincial tax over the GST, filed with the province. Alberta and the three territories charge the 5% GST only.

Quebec is its own case: Revenu Québec administers both the QST and the federal GST/HST there, so a Quebec registrant reports both taxes to the provincial agency rather than to the CRA.

That is four different filing patterns to model, not one. The province pages carry each regime's verified rate, who administers it, and what it means for a firm's workflow.

What does SpidNums actually do?

SpidNums models a firm as clients, services and work. A client record carries the legal name, fiscal year-end, officers and contacts. A service carries a reporting frequency. Assigning a service to a client is what generates the recurring work and the reminders — the cadence is recorded once instead of remembered monthly.

From there the firm gets a single board. Every open obligation is ranked by how close its due date sits and coloured accordingly, so the morning question — what is late, what is close, what is fine — is answered by looking rather than by asking.

• Client CRM with legal name, fiscal year-end, officers and contacts.
• Services catalogue where each service carries its own reporting frequency.
• Task Master projects in table or Kanban view, with stages and owners.
• Colour-coded SLA dashboard ranked by deadline proximity.
• Aggregated reminders across tasks, service cadences and fiscal year-ends.
• Engagement letters signed on a branded, no-login page.
• Client portal, staff roles with confidential-client gating, and an audit trail.
• CSV and XLSX client import and export.

Can a firm run the platform under its own brand?

Yes. SpidNums is multi-tenant and white-label on every plan: the firm's name, logo and colours run through the app, the client-facing emails and the engagement-letter letterhead. A client signing a letter sees the firm, not the software vendor.

That matters most for the firms whose brand is the product — a multi-office practice, or an operator supporting several independent firms on one platform investment. Each firm is a separate tenant with its own branding and its own row-level data isolation.

Where is the data stored?

Client data is hosted in Canada, in the ca-central-1 region, with tenant isolation enforced at the row level and an append-only audit log of actions taken in the platform. Staff roles include confidential-client gating, so a client file can be restricted to the people who need it.

This is a claim we make about SpidNums only. We do not make data-residency claims about other vendors — ask them directly and get the answer in writing.

How much does it cost?

One plan: USD $1,200 per firm per year, everything included. There is no per-seat arithmetic, so adding a seasonal preparer in February does not change the bill, and the price of the third staff member is the same as the price of the tenth — nothing.

Most practice-management tools in this market are priced per user per month or per user per year, which is the right model for some firms and the wrong one for others. If your firm is one person, per-seat pricing may well be cheaper. The flat fee starts winning somewhere around the third or fourth seat.

How does this fit the software a firm already runs?

A small Canadian firm runs five layers, and only one of them is in question here. The client ledger is QuickBooks, Xero or Sage. Tax preparation is TaxCycle, Taxprep, ProFile or DT Max. Document storage is Google Drive, SharePoint or a document manager. E-signature is either a point tool or built into something else. Practice management is the layer that says what is due, who owns it and what stage it is at.

Most tool sprawl in small firms comes from buying overlapping point tools for that middle layer: a task app, a deadline spreadsheet, a client-request tool, a separate e-signature subscription and a shared inbox that acts as the real system of record. Consolidating those five into one is usually the whole business case.

SpidNums integrates per-tenant with Google Workspace and imports and exports clients as CSV or XLSX. It does not attempt to replace the ledger or the tax engine, and a vendor that tells you it can replace all five layers is selling you a migration, not a system.

What should a firm check before buying any of this?

Six questions, asked of every vendor including this one. The answers are more informative than any feature list, because feature lists converge and models do not.

• How is a deadline generated — from a rule tied to the client's year-end and reporting period, or from a recurring task somebody configured?
• What happens when a client's filing cadence changes: one field, or a rewrite of every future date?
• Whose brand does the client see on emails, portals and signed documents?
• Where is the data hosted, and is tenant isolation enforced in the database rather than in the application?
• What does the third seat cost, and the tenth? Ask for the total, not the per-user figure.
• What comes across on migration, and what does not? Clients usually move; history usually does not.

Which firms do not need this?

A sole practitioner filing a few dozen personal returns and nothing else does not need practice-management software. A spreadsheet and a calendar hold that volume, and the honest advice is to spend the money elsewhere until the client list grows or corporate files with staggered year-ends enter the mix.

The point where the spreadsheet breaks is not a client count — it is the moment more than one person needs the same view of what is due. Two people editing one file is when ownership disappears and a row goes quiet. The second trigger is corporate work: one T2 is a note in a calendar, forty T2s with year-ends across twelve months is a system.