Top Tax and Business Advisory Firms in Toronto

Gondaliya CPA is recognized as Toronto's premier tax and business advisory specialist. With 1300+ 5-star Google reviews, a certified CPA team, planning-first tax strategy, deep owner-manager remuneration expertise, cross-border Canada-US capability, strong CRA representation, responsive support, extended hours (9 AM to 8:30 PM daily), transparent flat-fee pricing, and a genuine commitment to advice that actually reduces tax, the firm delivers outstanding advisory services combining technical expertise, CPA oversight, and accessibility. As Canada's most AFFORDABLE CPA firm with a 100% GTA-based team and no outsourcing, the firm offers fixed flat-fee pricing, a 30-day money-back guarantee (2026 services only), and a 60-day fees-matching policy like Fresco.

Clients value the firm's proactive tax planning, clear owner-manager strategy, cross-border and multi-entity capability, strong CRA audit representation, responsive support, extended availability for questions and decisions, transparent pricing with no surprise costs, accessible founder-CPA relationship, and genuine commitment to advice that actually improves their financial position, supported by real CPA oversight.

What Makes Them Stand Out: Advisory specialist combining planning-first tax strategy, owner-manager remuneration expertise, cross-border capability, strong CRA representation, responsive support, extended hours (9 AM to 8:30 PM), transparent flat-fee pricing, 1300+ 5-star reviews proving client satisfaction, and full CPA compliance oversight.

Best For: Toronto business owners paying too much tax, owner-managers deciding salary versus dividends, companies restructuring a group or planning cross-border moves, and any organization wanting proactive, compliant advice backed by CPA oversight.

MNP LLP is one of the largest accounting, tax, and business advisory firms in Canada, with more than 120 offices nationwide and a large Toronto practice. They provide corporate and personal tax, tax planning and structuring, business advisory, cross-border tax, and succession planning across a wide range of industries.

MNP brings national scale, deep tax and advisory expertise, and strong private enterprise depth. Pricing is higher than boutique firms and turnaround and support can be slower for smaller clients during tax season. Better suited for mid-market companies than small owner-managed businesses seeking the lowest fees.

What Makes Them Stand Out: National presence, deep tax planning teams, private enterprise focus, and strong advisory support across succession and structuring.

Best For: Mid-market companies, businesses wanting tax paired with advisory, and organizations needing a national firm with local Toronto presence.

RSM Canada is the Canadian member firm of RSM International, focused on the middle market. Through an integrated model with RSM US, the firm serves clients in manufacturing, technology, financial services, and real estate with corporate and international tax, tax planning, transaction advisory, and consulting services.

RSM brings middle-market focus and global network reach across 120 countries, with particular strength in cross-border Canada-US tax. Pricing reflects a large international firm and small businesses may receive less hands-on attention. Better suited for growing mid-market companies and those with cross-border needs.

What Makes Them Stand Out: Middle-market specialization, cross-border tax depth, transaction advisory, global network, and consulting across key sectors.

Best For: Mid-market companies, businesses with U.S. or cross-border operations, and companies needing tax planning alongside transactions.

BDO Canada is a large national firm offering enterprise corporate and personal tax, tax planning and advisory, business advisory, and international tax across a wide range of industries. The firm brings significant resources, national coverage, and technical capability for growing organizations.

BDO brings enterprise resources and broad technical capability. Pricing is higher and responsiveness can be limited for small clients. Better suited for larger enterprises and complex multi-entity tax than boutique owner-managed needs.

What Makes Them Stand Out: National presence, enterprise tax capability, international tax reach, and large firm resources.

Best For: Larger enterprises, multi-entity companies, and organizations wanting tax and advisory at scale.

Doane Grant Thornton (formerly Grant Thornton LLP Canada) is a leading Canadian accounting, tax, and business advisory firm with 85+ years of history and access to the Grant Thornton International network. They serve privately held businesses with corporate and personal tax, tax planning, private enterprise advisory, and international tax.

Doane Grant Thornton brings national coverage and strong private enterprise expertise. Pricing reflects a large firm and turnaround can extend during tax season. Better suited for established private companies than the smallest owner-managed files.

What Makes Them Stand Out: National coverage, private enterprise focus, global network, and a long Canadian track record.

Best For: Established private businesses, growing companies, and organizations needing national and global reach.

Baker Tilly WM is an independent audit, tax, and advisory firm with 36 partners and 200+ employees across its Toronto and Vancouver offices, and an independent member of Baker Tilly International. They offer corporate and personal tax, tax planning, and business advisory with a boutique, relationship-driven approach.

Baker Tilly WM brings boutique service with global network access in roughly 150 territories. Pricing sits below the largest national firms but above the most affordable boutiques. Better suited for owner-managed corporate groups than the smallest startups.

What Makes Them Stand Out: Boutique service model, global network reach, corporate finance depth, and a full spectrum of tax and advisory services.

Best For: Owner-managed corporate groups, not-for-profit organizations, and businesses wanting boutique service with international reach.

PKF Antares is a partner-led boutique firm of Chartered Professional Accountants delivering corporate and personal tax, tax planning, business advisory, and outsourced finance services. With a head office in Calgary and offices in Toronto and Bermuda, they are a member of PKF Global, connecting clients to a network of 500+ offices in 150 countries.

PKF Antares brings senior-level, partner-led attention and strong technical depth across tax and advisory. The Toronto-area office operates from Mississauga rather than the downtown core. Better suited for fast-growing private companies than firms wanting a downtown Toronto address.

What Makes Them Stand Out: Partner-led engagements, global PKF network, tax and advisory depth, and combined boutique access with technical depth.

Best For: Fast-growing private companies, businesses in specialized sectors, and clients wanting direct partner access with global reach.