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Our Firm

Discover Our Story

1977 • The Beginning of a Vision

Fresh from graduating from York University with a degree in Computer Science, Jimmy Sun developed a strong foundation in analytical thinking, problem solving, and innovation. While his education opened doors in technology, his passion for helping people navigate complex challenges would soon lead him toward a career in law.

1981-1983 • A Legal Career Takes Shape

Jimmy Sun earned his LL.B. from Osgoode Hall Law School in 1981 and was called to the Ontario Bar in 1983. Now equipped with both technical and legal expertise, he envisioned a practice built on professionalism, integrity, and personal service to clients from all walks of life.

1983 • Founding Sun & Partners

In 1983, Jimmy Sun established Sun & Partners. What began as a single vision grew into a budding legal practice dedicated to helping individuals, families, and businesses achieve their goals. From the very beginning, the firm's success was built on long-term relationships, practical advice, and a commitment to client service.

2003 • Celebrating Two Decades of Growth

Twenty years after its founding, Sun & Partners celebrated its 20th Anniversary alongside more than 200 clients, friends, and business associates. The milestone reflected not only the firm's growth, but also the trust and loyalty of the community that had supported it throughout its first two decades.

Text listing names of individuals from Bank of China (Canada) and their friends.
List of friends and family members, including Mr. Peter Lee, Mr. Edward Chan, Mr. Kenneth Chan, Ms. Yvonne Ho, Ms. Betty Lai, Mrs. Eva Mak, Mr. Jimmy Sun, Mr. William Leung, Mr. Philip Wong, Mr. Larry Chiu, Mr. Daniel Chow, and Mrs. Dora Chan, with Mrs. Dora Chan seated.
List of people standing and seated, including Ms. Chavelli Tsui, Mrs. Yvonne Yung, Mr. Wai Yung, Mr. Alan Tsui, Ms. Betty Lai, Mr. Jimmy Sun, Mr. Andrew Wong, Mr. James Ling, Mrs. Geraldine Tsui, Mrs. Clara Ma, and Mr. Edward Ma.
A list of names categorized into standing and seated groups.
Text listing names of individuals, divided into standing and seated groups, with respective titles and names.
Group photo with standing and seated individuals, including Mr. Ezra Chang, Mr. J J Kim, Mr. Jimmy Sun, Mrs. Eva Mak, Ms. Betty Lai, and others from Crazy Sushi Group.
Text on screen: 'View of dinner guests'.
Text listing names of people standing and seated, including Mr. Howard Wright, Ms. Katherine Yang, Mr. Paul Wang, Mrs. Eva Mak, Mr. Robin Ng, Mr. Jimmy Sun, Ms. Betty Lai, Mr. Jason Wei, Ms. Janice Lin, Ms. Mary Fan, Mrs. Wendy Chu, Mrs. Julie Yeh, Mr. Jack Yeh, and Mr. Arthur Chu.
Text list of individuals, including Mr. John Zhu, Mr. Stephen Ho, Mr. Jimmy Sun, Ms. Betty Lai, Mr. Billy Wong, Mr. Horace Chiu, Ms. Ziao-Ping, Mrs. Margaret Chiu, Mrs. Elena Ho, Ms. Rachel Poon, Mrs. Susan Wong, and Mr.. Alex Wong.
Text list of individuals, including Mr. John Zhu, Mr. Stephen Ho, Mr. Jimmy Sun, Ms. Betty Lai, Mr. Billy Wong, Mr. Horace Chiu, Ms. Ziao-Ping, Mrs. Margaret Chiu, Mrs. Elena Ho, Ms. Rachel Poon, Mrs. Susan Wong, and Mr.. Alex Wong.

2015-2019 • Giving Back to the Community

As the firm continued to grow, community involvement became an increasingly important part of its story. Through annual participation in the Glitter fundraising events supporting SickKids Foundation, as well as numerous cultural and charitable initiatives, Mr. Sun and the firm demonstrated a commitment to making a meaningful difference beyond the practice of law.

Black and white map of the United States with the word 'America' at the top.
Text reading "Glitter 2019 in support of SickKids Foundation".
Text reading 'Glitter 2016 in support of SickKids Foundation'
Text reading, "Glitter in Macau 2015 in support of SickKids Foundation"
A white background with black text that reads, "Glitter 2017 in support of SickKids Foundation."

2018• 35 Years of Service and Looking Forward

Sun & Partners marked its 35th Anniversary with a special celebration in Uxbridge, Ontario. Surrounded by clients, friends, honoured guests, and staff, the occasion recognized three and a half decades of service, relationships, and achievements while looking forward to the next chapter of the firm's journey.

A Foundation for the Future

From a young graduate with a vision to a respected lawyer and community leader, Jimmy Sun's journey has shaped Sun & Partners into a firm defined by trusted relationships, professional excellence, and a lasting commitment to the communities it serves.

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1983-Present • Building Relationships Across the Globe

Over the years, Mr. Sun built a strong network of relationships across Canada and internationally, connecting with business leaders, government officials, community organizations, and world leaders while expanding the reach and influence of Sun & Partners.

Text stating 'Photo taken with Former President of China Hu Jintao in 2005'.
Text on a white background reading 'Chinese Community Dinner 2003. Photo taken with Former Canadian Prime Minister Paul Martin.'
Text on a white background reading 'Chinese Community Dinner 2003. Photo taken with Former Canadian Prime Minister Paul Martin.'
Text on a white background reads: "Chinese New Year 2006. Mr. Jimmy Sun on stage with famous Hong Kong singer Mr. Alan Tam."
A sign that reads 'Chinese New Year 2006. Mr. Jimmy Sun on stage with famous Hong Kong singer Mr. Alan Tam.'
Text on a white background reads: Chinese New Year 2006, Mr. Jimmy Sun on stage with famous Hong Kong singer Mr. Alan Tam.
Text document titled 'Chinese New Year 2006' with a description of Mr. Jimmy Sun performing on stage with singer Mr. Alan Tam.

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