Office profile
Sun Life Headquarters & offices · Toronto, Ontario
Sun Life · Toronto, Ontario
A 155-year-old insurer that left Montreal's grandest office building for 14 open-plan floors with a wraparound rooftop terrace in Toronto.
The One York Street head office, how people work there and the moves from Montreal — every number from Sun Life's own history and filings, and from the interior designer's project page.
- 14 floorsof One York Street
- 2,000+employees from two locations
- 98%employee satisfaction after the move
- 32,151full-time equivalent employees, 2025
Sources: HOK project page · Annual Information Form 2025
Companies / Canada / Insurance & asset management / Sun Life
THE HEAD OFFICE · ONE YORK STREET, TORONTO
Fourteen floors built for choice
Sun Life's head office fills 14 floors of the One York Street tower in Toronto's financial district and brought together more than 2,000 employees from two locations. The floors are open plan, with glass-fronted offices and meeting rooms, sit-stand desks for everyone and many places to meet. There is a full-floor reception area, a meeting center, a staff training center with a landing space for visiting employees, and cafés and communal spaces on every floor. A wraparound terrace on the top floor looks out over Toronto's lakefront.
- 390,000 sq ft (≈ 36,230 m²)
- 14 floors
- Cafés on every floor
- Rooftop terrace
- Sit-stand desks
- LEED-CI Platinum
On the floors
Glass-fronted offices and meeting rooms, sit-stand desks for everyone and cafés on every floor.
One York Street
The tower stands in Toronto's financial district near the lakefront.
The Sun Life Building, Montreal
Built between 1914 and 1933, it was Sun Life's home in Montreal; the company's history notes over 1,600 people still work there.
Facts: HOK project page “Sun Life Financial Headquarters”
Head office, Toronto's financial district
| Building | Address |
|---|---|
| Head office | One York Street, Toronto, Ontario M5J 0B6 |
Source: SEC filing records · See them on the map ↓
Source: HOK project page · sunlife.com, History of Sun Life
Working at the head office
Employees can work from any location.
Every workstation has a sit-stand desk.
Cafés and communal spaces on every floor.
A staff training center, with a landing space for visiting employees.
A wraparound terrace on the top floor.
A meeting center and glass-fronted meeting rooms.
Source: HOK project page
Why people stay: what Sun Life itself reports
A post-occupancy survey found 98% employee satisfaction at the new head office, with agility 67% above the original target.
Employees are free to work from any location, and every workstation has a sit-stand desk.
The design team consulted 25 Sun Life business groups to plan the floors.
Sun Life began business in Montreal in 1871 and moved its head office to Toronto after a 1978 policyholder vote.
Source: HOK project page · sunlife.com, History of Sun Life
Who works here
full-time equivalent employees (Dec 31, 2025)
including Asian joint ventures and temporary staff
in the Canada business group
Source: Annual Information Form 2025
Pay at Sun Life
As a Canadian company, Sun Life doesn't publish a median employee pay figure.
Source: Annual Information Form 2025
Sun Life doesn't publish pay by age.
Office history: from Montreal to Toronto
- 1871 Sun Mutual Life of Montreal
After incorporation was approved in 1865, the company began business in 1871 as Sun Mutual Life Insurance Company of Montreal, renamed Sun Life Assurance Company of Canada in 1882.
Source: sunlife.com, History of Sun Life
No free-to-use photo found yet.Have one? We’d love to add it. - 1914 The Sun Life Building
Construction of the Sun Life Building in Montreal began in 1914; the final phase was completed in 1933. During the Second World War a secret vault three floors below held $5 billion in securities.
Source: sunlife.com, History of Sun Life
The Sun Life Building, Montreal · DXR / CC BY-SA 4.0 · Wikimedia Commons - 1978 A vote to move
Policyholders voted to relocate the corporate headquarters from Montreal to Toronto.
Source: sunlife.com, History of Sun Life
No free-to-use photo found yet.Have one? We’d love to add it. - 1984 King and University
Construction of the worldwide headquarters at King and University Streets in Toronto was completed.
Source: sunlife.com, History of Sun Life
Sun Life Centre at King and University, Toronto · Ken Lund / CC BY-SA 2.0 · Wikimedia Commons - 2017 One York Street
The head office moved to One York Street, bringing more than 2,000 downtown Toronto employees together in one location.
Source: sunlife.com, History of Sun Life · HOK project page
No free-to-use photo found yet.Have one? We’d love to add it.
Map: how the headquarters moved
From Montreal's Dorchester Square to Toronto's waterfront financial district, about 500 km southwest.
- 1 · 1914Sun Life Building, Montreal — Built 1914–1933
- 2 · 1984King and University, Toronto — Worldwide headquarters
- 3 · 2017One York Street, Toronto — Head office today
Places: sunlife.com, History of Sun Life · HOK project page · Locations: OpenStreetMap
What Sun Life does
Sun Life is a Canadian financial services company offering insurance, wealth and asset management, with operations in markets including Canada, the U.S., the U.K., Hong Kong, the Philippines, Japan, India and China.
Reported in business groups: Asset Management, Canada, U.S., Asia and Corporate.
Where the money came from · full-time equivalent employees by business group, Dec 31, 2025
Source: Annual Information Form 2025
Source: MD&A 2025 · Annual Information Form 2025
Chief executives
President and Chief Executive Officer.
Began business in Montreal in 1871 as Sun Mutual Life Insurance Company of Montreal.
Source: Annual Information Form 2025 · sunlife.com, Leadership · sunlife.com, History of Sun Life
Sun Life: questions people ask
Where is Sun Life's head office?
At One York Street in Toronto, Ontario.
Source: SEC filing records · HOK project page
How big is it?
Sun Life occupies 14 floors and about 390,000 sq ft of the One York Street tower.
Source: HOK project page
What is inside?
Open-plan floors with sit-stand desks, glass meeting rooms, a full-floor reception, a meeting center, a training center, cafés on every floor and a wraparound rooftop terrace.
Source: HOK project page
Who designed it?
HOK designed the interiors.
Source: HOK project page
Where was Sun Life's head office before?
In Montreal's Sun Life Building (built 1914–1933) until policyholders voted in 1978 to move to Toronto, then at King and University Streets from 1984.
Source: sunlife.com, History of Sun Life
How many people work at Sun Life?
32,151 full-time equivalent employees at December 31, 2025, or about 68,835 including Asian joint ventures and temporary staff.
Source: Annual Information Form 2025
You have seen the office, the benefits and the pay
Want to work at Sun Life?
See open jobs on Sun Life's careers site ↗Or keep exploring: compare these benefits and offices with other companies below.
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