Umbrella and Employer of Record Compliance Documents in Canada: Cross-Checking a Consultant File
Employer of record, staffing agency and umbrella-style vendor documents compared field by field in Canada: CRA business number, WSIB clearance, SIN, ROE and invoices, plus next steps on a mismatch.

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"Umbrella company" is a UK term. In Canada the same compliance question arises when a consultant is engaged through an employer of record (EOR), a staffing agency or a payroll services vendor: who is the legal employer, and does the paperwork agree? The documents are checked by comparing the same facts across several papers, namely the services agreement, the vendor's Canada Revenue Agency (CRA) business number and payroll account, workers' compensation clearance, the consultant's identity and work authorization, pay statements and the invoice. One document proves little. A mismatch between two is the signal. This article sets out which field on which document is compared with which other record, what a mismatch looks like and what the reviewer does next.
Why does a Canadian client cross-check a vendor's paperwork?
Because employer obligations, such as source deductions, workers' compensation premiums and employment standards, can follow the work even when another company issues the pay statements. The CRA explains payroll obligations, including the requirement to deduct and remit income tax, Canada Pension Plan contributions and Employment Insurance premiums, on its payroll pages (Canada Revenue Agency, payroll).
Provincial rules matter as much as federal ones: in Ontario, for example, the Employment Standards Act sets licensing and record rules for temporary help agencies and recruiters, and the provincial government publishes how to check a licence (Ontario, Employment Standards). Other provinces regulate agencies differently. Confirm the rule in the province where the consultant works rather than assuming one national register.
A licence or registry entry shows status at a date. It does not show that last month's remittances were made, and it does not prove the supplier's documents are genuine.
Which documents make up a consultant file?
| Document | Issued by | Fields worth extracting |
|---|---|---|
| Services or staffing agreement | Vendor and client | Parties, scope, term, rate, who directs the work |
| Certificate of incorporation or registry extract | Corporations Canada or provincial registry | Legal name, corporation number, status, registered office |
| CRA business number and payroll account (RP) | Vendor | Business number, payroll account, legal name |
| WSIB clearance certificate or provincial equivalent | Workers' compensation board | Legal name, account number, clearance period |
| Consultant's identity and work authorization | Consultant | Name, date of birth, permit type, expiry |
| Pay statement or T4 | Employer of the consultant | Pay period, gross, deductions, employer name |
| Record of Employment (ROE) | Employer via Service Canada | Employer name, dates, insurable hours |
| Timesheet | Client | Dates, hours, approver |
| Invoice | Vendor | Billing entity, GST/HST number, amount, remittance account |
Which cross-checks catch the most problems?
Seven comparisons cover most of what a reviewer can defend.
| Field | Compared on | Compared against | Typical mismatch | Reviewer's next step |
|---|---|---|---|---|
| Legal name | Services agreement | Registry extract, invoice, pay statement | Invoice from an operating name, pay statement from another company | Ask which entity employs the consultant |
| Entity status | Services agreement | Corporations Canada or provincial registry | Dissolved, in default or very recent | Pause onboarding, escalate |
| Business number | Invoice and pay statement | CRA documents supplied by the vendor | Different numbers on invoice and pay statement | Request clarification in writing |
| Clearance holder | Workers' compensation clearance | Employer on pay statement | Clearance names a different company or expires mid-assignment | Request a new certificate, diary the expiry |
| Consultant identity | Passport, permit | Contract, pay statement | Name order or birth date differs | Correct the wrong record, keep a dated note |
| Permit expiry | Work permit | Assignment end date | Permit ends mid-assignment | Diary a follow-up check before that date |
| Remittance account | Invoice | Legal name of billing entity | Account in a third party's name | Hold payment, verify by call-back |
The social insurance number deserves a specific check. A SIN beginning with the digit 9 is issued to temporary residents and is linked to an expiry date, as Employment and Social Development Canada explains (Service Canada, SIN). Compare that expiry with the permit and with the assignment end date. A mismatch means one of the records is out of date.
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Request a free pilotWho is the employer?
The employer on the pay statement must match the employer on the ROE, the workers' compensation clearance and the services agreement. In an EOR model the EOR is the legal employer and holds the payroll account. Compare the name on the agreement with the name on the pay statement. If they differ, you are looking at an undisclosed subcontractor or a mislabelled vendor.
Compare also what the consultant does with what the agreement says. If the agreement describes a project deliverable while timesheets show full-time work directed by your manager, flag it for counsel. The file cannot settle the legal classification, but it shows whether the label and the facts diverge.
What do buyers and contractors ask?
Three questions recur. "How do I know my EOR remits source deductions?" Ask for confirmation from the vendor and compare pay statements across periods; a CRA lookup is not available to a third party in most cases, so a vendor-supplied document is evidence of what was provided, not of what was paid. "Is a WSIB clearance certificate enough?" It shows the account status at a date for the named company. "Why is the net lower than the bill rate?" The gap is vendor margin, employer costs and benefits, which the agreement should itemize.
Personal information in the file, including SINs and permit numbers, is covered by privacy law. The Office of the Privacy Commissioner of Canada explains PIPEDA obligations (OPC, PIPEDA). Collect only what the check needs and restrict who sees the SIN. Quebec has its own private-sector regime, covered in our fr-CA article.
What if the consultant comes through a UK umbrella company?
HMRC's Employment Status Manual describes joint and several liability for unpaid PAYE and National Insurance in umbrella labour supply chains from April 2026 (HMRC, ESM2420). That is a UK rule for UK payroll. A Canadian client using a UK agency should ask how the agency handles that exposure. Related reading: temp worker file cross-checks under labour inspection, staffing agency document requirements and the industry verification guide.
What should the reviewer do on a mismatch?
Classify it, fix or escalate, log it. A clerical mismatch is corrected at the source with a dated note. A structural mismatch, such as a different employer entity or a payment to a third party, goes to the vendor manager and onboarding waits for a written answer.
How can CheckFile help?
CheckFile reads the fields on each document and compares them across the file: names, dates, registry numbers and account details. It flags disagreements for a reviewer to resolve. It compares data. It does not prove a document is genuine and does not replace a registry lookup. See the temp staffing and recruitment page, pricing on /tarifs and data handling on /securite.
FAQ
What documents should an EOR or staffing vendor provide in Canada?
A services agreement, registry extract, CRA business number and payroll details, a workers' compensation clearance, recent pay statements and the consultant's work authorization record. Collect them before the first invoice.
Does a clearance certificate prove the vendor is compliant?
No. It shows account status at a date for the named company. Compare the company and dates with the pay statement and the assignment.
Why check the SIN expiry?
A SIN starting with 9 is tied to temporary status and an expiry. Compare it with the permit and the assignment end date.
Is a UK umbrella company rule relevant in Canada?
Only if the consultant is paid through UK payroll. Ask the agency how it manages the HMRC liability.
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