Assistant Controller

We are seeking a detail-oriented and service-driven Assistant Controller to join a fast-paced Business Management firm supporting ultra-high-net-worth (UHNW) clients. This role is ideal for someone who thrives in a high-touch environment where responsiveness, accuracy, and discretion are critical.

The Assistant Controller will play a key role in managing day-to-day accounting operations with a strong focus on accounts payable, cash management, and administrative coordination. This individual will partner closely with Controllers and client-facing teams to ensure timely execution of financial transactions and white-glove client service.

Key Responsibilities

Accounts Payable & Cash Management

• Oversee high-volume accounts payable processing across multiple client entities, ensuring accuracy and timeliness
• Execute time-sensitive payments (wires, ACH, checks) with a strong sense of urgency and attention to detail
• Review and code invoices, ensuring proper allocation to appropriate entities and accounts
• Manage weekly cash flow, including funding requests and liquidity tracking across client accounts
• Maintain organized documentation and audit trails for all disbursements

Client Service & Administrative Support

• Provide white-glove service to UHNW clients, responding promptly to payment requests and financial inquiries
• Act as a liaison between clients, vendors, and internal teams to facilitate seamless financial operations
• Assist with onboarding new client accounts, including system setup and documentation collection
• Support ad hoc requests with discretion and professionalism, often under tight timelines

Accounting & Reporting

• Assist with month-end close, including reconciliations of bank, credit card, and investment accounts
• Maintain accurate general ledger records across multiple entities
• Support preparation of financial reports and client deliverables
• Ensure compliance with internal controls and firm policies

Operations & Process Support

• Help streamline AP and administrative workflows to improve efficiency and accuracy
• Maintain and improve filing systems, both digital and physical
• Partner with leadership on special projects and process improvements

Qualifications

• 3-6+ years of accounting experience, ideally within a Business Management firm, Family Office, or client service-oriented environment
• Strong accounts payable experience, including high-volume and time-sensitive transactions
• Experience supporting multiple entities and complex financial structures preferred
• Proficiency in accounting systems (e.g., QuickBooks, NetSuite) and Excel
• Exceptional attention to detail and organizational skills
• Strong sense of urgency and ability to prioritize in a fast-paced environment
• High level of discretion and professionalism when working with sensitive client information
• Excellent communication skills and a service-oriented mindset

Compensation

• Competitive base salary + bonus