Associate Family Office

Mariner; Tulsa (OK); On-site; USD 45,000 - 65,000; Full time

Job summary

Mariner in Tulsa, OK is seeking an Associate, Family Office to manage day-to-day accounting activities and contribute to financial statements, cash flow forecasts, budgets, and liquidity reports for family office clients.

You will work with client advisors and accountants to organize financial information, support tax preparation, and deliver reliable reporting across accounting, trust administration, and entity management.

Qualifications

• Bachelor’s degree in Accounting, Finance, Business Administration, or a related field.
• 1–3 years of accounting, finance, bookkeeping, or related professional services experience.
• Proficiency with Microsoft Office, including intermediate Excel skills.
• Basic understanding of financial statements and accounting principles.

Responsibilities

• Process accounts payable activities: review invoices, issue payments, maintain vendor records, reconcile bank accounts.
• Prepare monthly financial statements and maintain records of transactions.
• Support accounts receivable: invoicing, collections, credit card allocations, intercompany transactions.
• Assist with monthly/quarterly/annual personal financial statements and provide reports and documentation.
• Coordinate with accountants for tax planning and tax return preparation.

Skills

Attention to detail

Organization

Analytical thinking

Deadline-driven

Education

Bachelor's degree in Accounting, Finance, Business Administration, or related field

Tools

Microsoft Office

Excel

Job description

Job Summary

The Associate, Family Office supports accurate and timely financial administration and reporting for family office clients. This role manages day-to-day accounting activities and contributes to financial statements, cash flow forecasts, budgets, and liquidity reports that inform client planning and decision-making. The Associate works closely with client advisors and accountants to organize financial information, support tax preparation, and deliver reliable reporting. This opportunity provides experience across accounting, trust administration, entity management, and other essential family office services.

Responsibilities

• Process accounts payable activities, including reviewing invoices, issuing payments, maintaining vendor records, and reconciling bank accounts.

• Prepare monthly financial statements and maintain accurate records of financial transactions and account activity.

• Support accounts receivable functions, including invoicing, collections, credit card allocations, and intercompany transactions.

• Assist with monthly, quarterly, and annual personal financial statements and provide client advisors with financial reports and supporting documentation.

• Coordinate with accountants to gather, organize, and provide the information needed for tax planning and tax return preparation.

• Assist with cash flow forecasting, budgeting, and liquidity reporting to support client financial planning and decision-making.

• Maintain organized client records, entity documentation, and reporting calendars to promote accurate and timely information delivery.

• Support trust administration, entity management, and family office projects and initiatives.

Requirements

• Bachelor’s degree in Accounting, Finance, Business Administration, or a related field.

• One to three years of experience in accounting, finance, bookkeeping, family office services, wealth management, or a related professional services environment.

• Proficiency with Microsoft Office, including intermediate Microsoft Excel skills.

• Basic understanding of financial statements, accounting principles, and financial recordkeeping.

Skills

• Demonstrates strong attention to detail, organization, and analytical thinking.

• Manages competing priorities, deadline-driven work, and multiple simultaneous projects effectively.

• Collaborates effectively within a team while maintaining responsibility and accountability for individual work.

• Exercises sound discretion and maintains strict confidentiality in all client matters.

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We welcome your interest in being a part of our firm. We believe in giving associates progressive opportunities, actively nurturing professional growth and giving back to the community. We are dedicated to building a diverse culture where everyone has the support they need to achieve their career goals. We offer an innovative workplace and a culture that fosters camaraderie, teamwork and work-life balance.

By submitting your application, you agree to the collection and use of your personal information as described in our Employee and Applicant Privacy Notice.

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