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

Extended payment deadlines – Tax Returns

Due to the continuous impact of the Covid-19, the CRA has announced a further 30-day extension of the due date for the 2019 tax payments, including instalment payments. As it currently stands, the new extended deadline is September 30th, 2020. Previously extended due dates for individual, corporate, and trust income tax returns remain unchanged. That… View Article

Kosmos Accounting is now on Instagram

You can now follow us on Instagram through our newly launched account: https://www.instagram.com/kosmosaccounting/ ; we will be posting short updates through that page as well as motivational quotes. Do not hesitate to DM us through that platform as well!

Canadian 2020 Tax Return Filing Deadline Extension

As one of the measures taken by the government to alleviate the impact of the Covid-19 pandemy, the deadline to file personal tax returns in Canada has been extended from April 30th, 2020 to June 1st, 2020. There is also a penalty-free extension for paying taxes owed, to August 31st, 2020. If you are self-employed,… View Article