Kosmos Accounting & Forensic Services

About Us

Kosmos is an online accounting firm based in Mississauga, in the Greater Toronto area. Our primary services are tax accounting (including bookkeeping), business incorporation and accounting software implementation, as well as forensic accounting and investigation.

While Kosmos serves a wide range of clients across Ontario and Canada, we specialize in sectors or groups underserved by traditional accounting firms. This includes:

-Home businesses (consultants, artists etc.)

-Sole proprietorships and side businesses

-Ecommerce Stores (online shops, Shopify stores, Amazon and Ebay merchants)

-New economy businesses and entrepreneurs (Uber, Airbnb etc.)

-Sensitive industries (cannabis, sex/adult)

Kosmos understand that each business is different and we strive at providing suitable services for improving record keeping, reducing taxes, and meeting the CRA and provincial/federal compliance requirements.

Our company’s cornerstones are integrity, confidentiality and simplicity. We make it easier for our clients to work with us while ensuring the utmost security and protection for their information and businesses.

One Stop Solutions For All Accounting Services

Our Services


Tax Accounting & Bookkeeping

Monthly Bookkeeping & Financial Statements (online), Corporate Tax Returns, Payroll Service and more


Fraud Investigations

Fraud, corruption and embezzlement investigation, Financial forensics, Financial statement audit


Implementation Services

Financial software implementation services: accounting, payroll, invoicing, payment processing and more


Accounting Staffing & Outsourcing

Part-time/Temporary staff, Data entry & classification (receipts & other accounting documents)

Latest Blog

2019 tax deadline coming soon

For most Canadian individual tax payers, the tax deadline for submitting your returns and paying any due tax is April 30th. If you haven’t filed yet your returns, it is highly time to start working on it to avoid CRA penalties and avoid becoming illegible for any benefits you may have rights to (GST refunds,… View Article

Deductions for sex workers in Canada

While purchasing sexual services may be illegal, sex work in itself is not. This confusion, as well as other factors, such as the negative image of the adult industry in general, fears about privacy and confidentiality, and the fact that sex work is primarily cash-based, are reasons tax compliance remain low among sex workers. Sex… View Article

New Immigrant in Canada Promotion – File your taxes for $48 only

Are you a new immigrant in Ontario/Canada? Are you preparing to file your income taxes for the first time? Take advantage of Kosmos Accounting’s new immigrant promotion to file your taxes. We will make sure everything is done properly and that you are able to claim all credits and benefits you are entitled to. If… View Article