Full-Time
Comptable
Posted on 7/31/2026
Sia Partners
1,001-5,000 employees
Management consulting integrating AI and design
No salary listed
Lyon, France
Hybrid
Telework is possible.
Bachelor's
 Accounting (1) |
|---|
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- You have higher education in accounting, such as a BTS, accounting licence, or Diplôme de Comptabilité et de Gestion.
- You have at least two years of successful experience in an accountant position, ideally in a multi-entity environment.
- You are proficient with accounting tools, Excel, and artificial intelligence tools.
- You speak English in a professional context.
- Maintain general and supplier accounting and actively participate in the completion of accounting close processes.
- Enter and verify supplier invoices, prepare and monitor payment due dates, justify accounts, and verify regulatory compliance for subcontractors and service providers.
- Track and allocate customer payments, monitor customer accounts with the sales administration team, import sales invoices from the billing software, and reconcile sales between systems.
- Review expense claims in the Alibeez tool, import them into the accounting system, and process payment.
- Record and reconcile intercompany transactions, issue payments in all currencies, and monitor intercompany current accounts.
- Prepare, verify, and file value-added tax returns and monitor VAT accounts.
- Participate in monthly and annual closing activities and account reconciliations.
- Knowledge of 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's Take
What believers are saying
- Blackstone committed up to €250 million on December 16, 2024, funding expansion.
- Sia hired Jeff Gapusan and Elizabeth Freeman in June 2026, strengthening U.S. banking sales.
- Revelio counted 3,789 employees in March 2026, and 730 active postings.
What critics are saying
- Sia Partners U.S., Inc. faces a Defend Trade Secrets Act case filed May 5, 2025.
- Kaiser acquisition integration can distract leaders from billable growth and margin control in 2026.
- Accenture, Bain, and BCG commoditize agentic consulting, squeezing Sia before 2027.
What makes Sia Partners unique
- Sia's 1,000 AI agents embed delivery workflows across client work and internal operations.
- OpenAI named Sia an Advanced Partner on July 24, 2026.
- Kaiser Associates adds Washington strategy depth to Sia's AI-led consulting stack.
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Benefits
Professional Development Budget
Growth & Insights and Company News
6 month growth
↑ 16%1 year growth
↑ 18%2 year growth
↑ 18%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.
Sia continues its strategic expansion with the acquisition of Precedence, a consulting player.
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.
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
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.