Royal Bank of Canada's (>> Royal Bank of Canada) RBC Capital Markets led the pack advising for M&A deals as well as debt issuance, the Thomson Reuters league tables data showed. The investment banking arm of Canada's biggest bank was involved in 41 M&A deals valued at $43.6 billion. Barclays Plc (>> Barclays PLC) finished second and JPMorgan Chase & Co (>> JPMorgan Chase & Co.) was third.

Rising levels of production, a weak Canadian dollar and strong earnings have driven growth in the oil and gas industry.

Encana Corp (>> Encana Corporation) was among the most acquisitive Canadian companies this year, with highlights including its plans to purchase Athlon Energy Inc (>> Athlon Energy Inc) for $5.93 billion and its $3.1 billion acquisition of some of the U.S. shale assets of Freeport-McMoran Inc. (>> Freeport-McMoRan Inc)

The biggest deal so far is Burger King Worldwide Inc's (>> Burger King Worldwide Inc) planned purchase of Canadian coffee chain Tim Hortons Inc (>> Tim Hortons Inc.) for C$12.64 billion ($11.53 billion), a move that would create the world's third-largest fast-food restaurant group.

Debt issuance, which was also led by RBC, reached C$127.6 billion in the nine-month period, little changed from the previous year. TD Securities and CIBC World Markets rounded out the top three.

Scotiabank was the top investment bank advising equity deals, followed by RBC and BMO Capital Markets. The total value of equity issues was C$33.2 billion, up nearly 54 percent from the same period last year. Scotiabank advised equity deals worth C$5.4 billion.

(Reporting by John Tilak; Editing by David Gregorio)