Controller, Accounting, Financial Compliance

Spider Rock Platform Services is looking for a Controller to join our accounting/finance team in Spider Rock's Chicago office. This role is a key financial leader responsible for overseeing all accounting operations, financial reporting, compliance, and internal controls across Spider Rock's global entities. The Controller ensures the accuracy, timeliness, and integrity of financial data in a high-regulation environment, and partners closely with senior leadership to support strategic growth and operational scale.

The role is designed as a succession plan for the current Controller. The successful candidate will assume full ownership of Controller responsibilities over time, building deep institutional knowledge, while driving process improvements, establishing scalable accounting infrastructure, and developing the team. This role is an exempt full-time position and will report to the Head of Finance & Accounting.

• Own full-cycle accounting operations including general ledger, account reconciliations, journal entries, variance analysis, and financial statement preparation across all entities.
• Prepare GAAP‑compliant financial statements and management reports on a monthly, quarterly, and annual basis.
• Establish and own a structured, documented close process — including EXS and all international subsidiaries (UK, Netherlands) — with defined timelines, checklists, and delegation frameworks.
• Own and manage intercompany accounting, eliminations, and consolidated financial reporting across the full entity structure.
• Ensure accurate revenue recognition in accordance with ASC 606.
• Oversee daily cash management activities across multiple bank accounts and subsidiaries, including monitoring balances, liquidity, and cash movements.
• Provide accounting oversight and support for billing activities across non‑EXS entities, ensuring invoices are accurate and issued in compliance with contractual terms.
• Oversee payroll accounting across U.S. and international entities, coordinating with HR and external payroll providers.

• Manage foreign currency translation, revaluation, and cumulative translation adjustment (CTA) across multiple functional currencies (USD, GBP, EUR).
• Coordinate with international accounting managers and external advisors to ensure subsidiary books are maintained accurately and in compliance with local requirements.
• Interface with external tax advisors on multi‑jurisdiction matters including provisions, transfer pricing basics, and VAT/GST compliance across UK and Netherlands entities.

• Oversee accounting processes related to FINRA and NFA regulatory reporting, including supporting the Fin Op with FOCUS filings, net capital computations, and financial responsibility rules.
• Establish and maintain strong internal controls across all financial operations; lead formalization and documentation of the controls framework.
• Serve as the primary contact for external audits across all entities; build and maintain audit‑ready close packages and work papers.
• Support compliance related to SOC 2, FINRA reporting dependencies, vendor audits, and net capital requirements.

• Optimize and maintain Net Suite as the primary accounting system; drive automation, cross‑system data integrity, and reporting efficiency.
• Critically evaluate current‑state accounting workflows; identify inefficiencies and redesign for scalability while maintaining accuracy.
• Ensure financial data accuracy across systems including CRM, billing platforms, and forecasting tools.

• Manage and mentor a growing accounting team (2‑5 staff), building technical skills and a culture of continuous improvement.
• Establish clear roles, responsibilities, processes, and delegation frameworks so the team has documented standards to operate against.
• Serve as a strong cross‑functional partner with executives, legal, operations, technology, HR, and external regulators and auditors.

• Bachelor's degree in Accounting, Finance, or a related field.
• 6‑8…