Assistant Controller
Quick Summary
Keystone is a premier economics, technology, and strategy consulting firm built to help companies lead through transformation. As breakthrough innovations reshape industries,
Keystone is a premier economics, technology, and strategy consulting firm built to help companies lead through transformation. As breakthrough innovations reshape industries, redefine competition and change our society, complex and highly competitive ecosystems emerge. Keystone advises technology leaders, Fortune 100 companies, their legal counsel, and governments on business, economic, litigation, and regulatory strategy in relation to these innovations and competitive eco-systems. We operate globally from offices in New York, Boston, San Francisco, Seattle, London, Dubai, and Washington, D.C.
We are looking for an exceptional Assistant Controller. We are growing rapidly and will be expanding from our established presence in the US and London into new international markets including Brussels, Singapore, Australia, and Canada. As we scale, we are undertaking a full transformation of our finance function—modernizing processes, embedding AI, and building a best-in-class global accounting infrastructure. This is a unique opportunity to join a high-growth organization where finance is a strategic partner to the business. You will work closely with the VP of Finance, CFO, and a top-tier Finance IT team as we reimagine how accounting operates in a modern, technology-enabled environment.
We are seeking a highly motivated, detail-oriented Assistant Controller to help lead our accounting function through a period of significant global expansion and transformation. This role requires deep technical accounting expertise, exceptional project management capability, and a forward-thinking mindset. You will play a critical role in ensuring accurate, compliant financial reporting while designing scalable processes and controls across multiple jurisdictions.
Responsibilities
~1 min read- Support month-end, quarter-end, and year-end close across multiple global entities
- Ensure compliance with US GAAP, IFRS, and local GAAP requirements
- Oversee and review journal entries, reconciliations, and financial statements
- Lead technical accounting analyses (revenue recognition, leases, stock-based compensation)
- Maintain pristine accounting records with a high degree of accuracy and integrity
- Prepare analytical reviews of financial results to support FP&A and senior leadership
- Partner closely with FP&A on budgeting, forecasting, and strategic initiatives
- Ensure alignment between accounting outputs and FP&A reporting needs
- Coordinate regularly with FP&A to provide insights into financial performance and key variances
- Support expansion into new jurisdictions (EU, APAC, Canada)
- Partner with external advisors on VAT, GST, and local statutory reporting
- Coordinate with external Big 4 tax preparers on filings and compliance
- Build scalable accounting frameworks for newly established entities
- Partner with HR, Recruiting, Compensation, Legal, and Tax teams
- Support compensation accounting, including stock-based compensation
- Act as a key connector across finance and business functions to ensure data integrity and alignment
- Design, implement, and enhance internal control frameworks
- Drive process standardization, scalability, and automation
- Ensure timely, accurate, and reliable financial reporting
- Leverage NetSuite as the core ERP platform
- Partner closely with the Finance IT team to implement system improvements and automation
- Utilize and help scale AI tools (e.g., Anthropic Claude)
- Continuously identify opportunities to modernize and evolve the accounting function
- Manage loan reporting, including tracking, reconciliations, covenant compliance, and disclosures
- Lead cross-functional finance initiatives from inception through execution
- Anticipate risks, navigate challenges, and deliver in a fast-paced environment
- Coordinate across FP&A, Finance IT, Tax, and external partners to ensure successful outcomes
- CPA designation
- 8–10 years of progressive accounting experience
- Big 4 experience (audit or advisory)
- Strong expertise in US GAAP (leases, revenue recognition, stock-based compensation)
- Working knowledge of IFRS
- Experience with NetSuite or similar ERP systems
- Exposure to international operations and indirect taxes (VAT/GST)
- Demonstrated ability to manage complex projects and deliver under pressure
Nice to Have
~1 min read- Prior experience as an Assistant Controller
- Experience in a high-growth, global environment
- Multi-entity, multi-currency experience
- Exceptional attention to detail
- Strong growth mindset with intellectual curiosity and adaptability
- Innovative thinker with a passion for improving processes and leveraging technology
- Comfort with or strong interest in AI-enabled finance tools
- Resilient and effective in a fast-paced, evolving environment
- Strong communication and cross-functional collaboration skills
What We Offer
~1 min readLocation & Eligibility
Listing Details
- Posted
- March 31, 2026
- First seen
- April 22, 2026
- Last seen
- May 1, 2026
Posting Health
- Days active
- 9
- Repost count
- 0
- Trust Level
- 29%
- Scored at
- May 1, 2026
Signal breakdown
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