Full-Time

Accountant

US Entities

Updated on 9/4/2026

Sia Partners

Sia Partners

1,001-5,000 employees

Management consulting integrating AI and design

Compensation Overview

CA$95k - CA$105k/yr

+ Bonus + Yearly salary increase

Toronto, ON, Canada

Hybrid

Hybrid work is required.

Category
Accounting (1)
Required Skills
ERP
Excel/Numbers/Sheets

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Requirements
  • 2–5 years of experience in accounting.
  • Understanding of United States accounting processes, payroll, and state taxes is highly desirable.
  • Experience working with enterprise resource planning systems is mandatory.
  • Strong Microsoft Excel skills, including lookups, pivot tables, and reconciliations.
  • High attention to detail and a strong sense of ownership.
  • Ability to work in a fast-paced environment with minimal supervision.
Responsibilities
  • Process vendor invoices, payments, and expense reports accurately and on time.
  • Manage vendor setup, W-9 collection, and payment inquiries.
  • Perform accounts payable and bank reconciliations.
  • Support month-end close activities, including journal entries, accruals, and reconciliations.
  • Maintain accurate records in the general ledger.
  • Identify discrepancies and resolve issues proactively.
  • Support audits and compliance requirements for United States entities.
  • Collaborate with Finance and Operations teams to improve processes and controls.
  • Verify vendor accounts by reconciling monthly statements and related transactions.
  • Perform other accounting duties as assigned.
Desired Qualifications
  • Knowledge of United States accounting processes, payroll, and state taxes.
  • Experience with Sage Intacct.

Sia Partners is a management consulting firm that blends AI and design with traditional strategy and operations work to deliver practical business value. It analyzes competitive landscapes, regulatory changes, and organizational design to help clients transform operations and strategy, using AI-enabled and design-driven approaches. With 2,400 consultants across 38 countries and services in 30+ sectors, it emphasizes CSR through its Consulting for Good program to turn sustainability into a driver of profitable transformation. The company aims to remain an independent pure-player consultant and to become a leading independent management consulting firm in Europe, focusing on sector-specific excellence.

Company Size

1,001-5,000

Company Stage

Growth Equity (Non-Venture Capital)

Total Funding

$275M

Headquarters

Paris, France

Founded

1999

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Simplify Jobs

Simplify's Take

What believers are saying

  • Blackstone funding supports U.S. expansion and strategic M&A through 2026.
  • March 2025 The Upside acquisition deepened branding, strategy, and innovation capabilities.
  • June 2026 executive hires in Atlanta and Chicago strengthen financial-services delivery.

What critics are saying

  • May 2025 Sia sued John Gustav in SDNY for trade-secret misappropriation.
  • Sia’s 2025 Witherspoon discrimination case signals recurring workplace and culture exposure.
  • Aggressive acquisitions in 2025-2026 can strain integration and dilute partner-led cohesion.

What makes Sia Partners unique

  • December 2024 Blackstone invested up to €250 million, validating Sia’s independence model.
  • January 2026 Kaiser Associates gave Sia U.S. strategy, PE, and M&A depth.
  • April 2026 Sia surpassed 1,000 AI agents, pairing consulting with deployable software.

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Benefits

Professional Development Budget

Growth & Insights and Company News

Headcount

6 month growth

16%

1 year growth

18%

2 year growth

18%
Associated Press
Jan 27th, 2026
Sia acquires Kaiser Associates to launch global corporate strategy and M&A business line

Sia, a global management consulting group, has acquired Kaiser Associates, a US-based strategy consulting firm, to launch a dedicated Corporate Strategy, Private Equity and M&A business line spanning the US, UK, France, Middle East and Australia. Founded in 1981, Kaiser Associates brings 65 consultants and operates from Washington, D.C., New York and London. The firm specialises in go-to-market strategy, growth assessments and market landscaping for Fortune 500 executives and private equity funds. Kaiser Associates' leadership team, including Ali Cumber, Paul Mumma and Jon Meyerholz, will join Sia as partners, with Meyerholz heading the new business line as managing partner. The acquisition expands Sia's North American presence and strengthens its position in private equity advisory.

Business Wire
Jul 4th, 2025
Sia Expands in the Netherlands with the Acquisition of Precedence

Sia continues its strategic expansion with the acquisition of Precedence, a consulting player.

Consultancy.uk
May 9th, 2025
Sia Acquires The Upside for Expansion

Sia has acquired The Upside, enhancing its brand, innovation, and cultural strategy capabilities in the UK. The Upside, founded in 2013, generated £6.2 million in 2024 revenues. This acquisition follows Sia's €250 million minority investment from Blackstone, supporting its European expansion. Niku Banaie, CEO of The Upside, will lead Sia's UK brand, innovation, and culture team. The Upside will adopt Sia's branding as part of the transition.

Business Plus
Dec 17th, 2024
Sia Partners receives €250m investment from Blackstone

Dublin-based management and AI consulting firm Sia Partners has received investment of up to €250m from Blackstone, one of the world's largest alternative

Finyear
Dec 16th, 2024
Sia Partners receives €250m from Blackstone

Sia Partners has opened its capital to Blackstone, the world's largest alternative asset manager, through a €250 million minority investment. Despite this, founder and CEO Matthieu Courtecuisse retains a majority stake. This marks the first time Sia Partners has sought a financial partner since its founding in 1999. The firm, with nearly €500 million in revenue, aims to accelerate growth, especially in the U.S. and other countries where it operates.