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Posted 8 days ago

Administrative Assistant, Tax

@ Doane Grant Thornton

Winnipeg, Manitoba

Full-time3+ years experience
Apply now
SIGNALS

Overview

Doane Grant Thornton is hiring an Administrative Assistant, Tax to support tax practitioners with the assembly and filing of personal, trust, corporate and partnership returns and corporate reorganization filings. The work includes client file management, client and CRA liaison, invoicing and document preparation. The role is full-time, onsite five days a week, with periodic overtime typically from March to June.

Responsibilities:

  • Assemble and file personal, trust, corporate and partnership tax returns
  • Assist with corporate reorganizations and tax elections
  • Manage electronic and paper client files
  • Prepare client invoices and handle invoice queries
  • Liaise with clients, CRA and other third parties

Requirements summary:

  • 3+ years of administrative experience in professional services
  • Attention to detail and commitment to quality
  • Microsoft 365 proficiency including Excel, Word, Outlook and Teams
  • Excellent verbal and written communication
  • Diploma in administrative assistant studies an asset

Tools & skills

Source and dates

Source type not verified · tbe

Employer posting date
2026-10-30
First seen by our source
2026-10-10
Source record updated
2026-10-30

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SeniorityMid level
DepartmentAdministrative
Experience3+ years
Hours per week40 (estimated)
Scheduleday, overtime
Travelair: none · ground: none
Work settingOffice
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish
EducationCollege diploma (preferred)
Fields of studyadministrative assistant

Summary and details written by AI from the posting; the employer’s posting is the authority.

Doane Grant Thornton

Saved company profile

Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.

Doane Grant Thornton is dedicated to helping our clients, colleagues, and communities thrive.

Full company description

In Canada. For Canada. Doane Grant Thornton LLP is a leading Canadian accounting and advisory firm dedicated to helping our clients, colleagues, and communities thrive. We help dynamic private and public organizations unlock their business potential by providing meaningful, strategic advice across a broad range of services, including assurance, advisory, and tax. For 85 years, we've worked alongside the businesses that have shaped our country and economy—from small businesses to industry leaders. With nearly 3,000 colleagues in 70 offices from St. John's to Victoria, we're deeply connected to the people, industries, and communities that make Canada thrive. Our unique, purpose-driven culture has resulted in consistent recognition as one of Canada’s Best Workplaces by the Great Place to Work® Institute since 2008. As bold leaders in our chosen markets and within the professional services industry, we're committed to our values of collaboration, leadership, excellence, agility, respect, and responsibility. Doane Grant Thornton LLP is a Canadian member of Grant Thornton International Ltd., whose member firms operate in over 100 countries worldwide.

LinkedIn followers
64,983
People associated on LinkedIn
2,915
Reported office locations
  • 200 King St W, 20th floor, Toronto, Ontario M5H 3T4, CA
Business categories
  • Consulting
  • Business Development
  • Financial Services
Other recorded names
  • Doane Grant Thornton
  • Doane Grant Thornton LLP
Profile identifies a recruitment agency
No
Reported total investment
0

Currency and observation date were not supplied; this is not a current valuation or a funding round.

In Canada. For Canada. Doane Grant Thornton LLP is a leading Canadian accounting and advisory firm dedicated to helping our clients, colleagues, and communities thrive. We help dynamic private and public organizations unlock their business potential by providing meaningful, strategic advice across a broad range of services, including assurance, advisory, and tax. For 85 years, we've worked alongside the businesses…

FieldValue
IndustryProfessional Services
Company size1,001-5,000 employees
HeadquartersToronto, Ontario
Organization typePartnership
Open jobs on Jobsy211
LinkedInView page
Job description

Who we are
You know those big cities that still feel like small towns? Where everyone’s friendly and helps each other out? That’s like Doane Grant Thornton. Except here we’re all professionals and there isn’t a mayor or a general store. What we’re trying to say is that we’re a large and growing professional services firm that still feels like a community. We employ about 3000 people across Canada, and we truly care about our colleagues, our clients and the communities where we work and live. That’s what’s most important to us. We’re building a thriving organization that’s purpose driven and still want to remember what your favourite milkshake flavour is.

As an Administrative Assistant, Tax your responsibilities will include:
• Assist tax practitioners with managing their dynamic growing practices
• Contribute to the team culture by looking for ways to improve work methods and ensuring positive work relationships
• Assist in the assembly and filing of personal, trust/estate, corporate tax and partnership returns (T1, T2, T3, T5013, etc.) including collection of information, obtaining Partner approvals, and ensuring processes completion.
• Assist in the implementation of corporate reorganizations, including finalizing and sending recommendation letters, reporting letters, assembly and filing of tax elections (T2027, T2054, T2057, etc.), collection of information, obtaining Partner approvals, and ensuring processes completion.
• Manage electronic and paper-based client files; efficiently file, fax, scan and photocopy
• Sending & receiving e-documents to and from clients through various secure file transfer platforms
• Participate in training to stay current with changes in software and processes
• Prepare invoices to clients and communicate with clients on invoice queries
• Facilitate the direct liaising (verbal, written & otherwise) with current and potential clients; CRA and other governmental agencies; and other 3rd parties as required.
• Proof documents, prepare, and edit reports and correspondence on behalf of the Partners and Managers
• Become positive contributor to wider Administrative Team (provide input when necessary, towards the proactive and evolution of administrative advancements in general for the firm)
• Managing/submitting expense reports
• Being available for other duties as assigned

Doane Grant Thornton
If you’re a bit like us, you’re driven to connect with how others are feeling and thinking. Here we walk in others shoes before taking action. Just imagine being part of a team that puts “we before me”, where flexAbility is a mindset, and where you trust your colleagues to have your back. At Doane Grant Thornton, you’ll work with inspiring leaders who support your development, both personally and professionally. This is a place where your insatiable curiosity enables you to think, see and hear from a variety of perspectives, a place where every day is different and having the courage to grow is part of who you are. And when all this comes together, well that’s when the magic happens!

Want to learn more about who we are and how we live our purple every day? Read our colleagues’ stories at www.discoveryourpurple.ca

Think you’ve got what it takes to be an Administrative Assistant, Tax? Like the colour purple? Great. Here's a few more boxes we’re also hoping you can tick:
• 3+ years of administrative experience in a busy professional services environment; working with multiple projects and meeting (at times completing) tight deadlines.
• Diploma or certificate in administrative assistant program considered an asset
• High degree of attention to detail and commitment to high-quality work
• Demonstrated track record of working independently and collaboratively across various teams
• Strong initiative and eagerness to learn, with a continuous improvement mindset, and openness to feedback
• Business etiquette and a service-mindset
• Experience with CRM tools would be an asset
• Ability to balance multiple priorities, deadlines, and requests of multiple colleagues
• Strong multitasking, organizational and office administration skills
• Solid business acumen, pragmatism, and problem-solving skills
• Excellent verbal and written communication skills
• Microsoft 365 applications (Excel, Word, Outlook, Teams) and the ability to leverage digital productivity tools such as Microsoft Copilot and workflow automation solutions.
• Must be willing to work overtime periodically (typically March – June)

At Doane Grant Thornton we’re focused on making a difference in the lives of our clients, our colleagues and our communities. That’s our purpose. Or, as we like to say, living our purple.

This role is required to be onsite, in-office five days each week.

Are you ready to Discover Your Purple?

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