Client Controller; Remote

Status:
Full Time
• Compensation: $90,000/year + Equity
•

Start Date:

Feb 2026

OpStart is the engine powering finance, accounting, and tax operations for startup companies nationwide. We leverage cutting-edge technology and human expertise to provide a complete range of financial services that keep early-stage companies informed and compliant as they scale to success. Our mission is to help entrepreneurs reach their goals; we do this by maximizing their visibility into financial performance while minimizing the time they spend on back-office work.

We delight in helping ambitious founders solve massive problems and continuously innovate to deliver more value to our clients.

OpStart is an equal opportunity employer committed to a diverse and inclusive work environment. Our team is fully remote, and we have no specific requirements around location for this position. We are proud to have a strong company culture, fostering collaboration, creativity, and continuous learning.

As a Client Controller
, you will get exposure to a wide range of business models and develop personal relationships with some of the best and brightest innovators in the US. You will be a core member of our team and will be the “go to person” for our client entrepreneurs who need help implementing and executing internal business processes. Your role will be a combination of client management and communications, team oversight, performance of monthly accounting tasks and reviews, and problem solving.

As a key leadership position, our Client Controllers play an integral role in developing and overseeing our processes and people assuring that we maintain an efficient operation internally and a customer centric mindset. If you are an accountant who is an entrepreneur at heart, this is the role for you.

• Plan, direct, and coordinate all accounting operational functions.
• Manage the accumulation and consolidation of all financial data necessary for an accurate accounting of consolidated business results.
• Manage client relationships and needs.
• Complete and/or supervise and review close process for various clients monthly.
• Create and analyze financial reports and metrics to communicate clients’ results and aid in vital decision-making processes.
• Implement General Ledger, payroll, and billing systems for newly formed entities.
• Lead recurring financial statement review calls with clients.
• Oversee and manage internal team of Accounting Managers and Staff Accountants, including implementing and monitoring processes and work product.
• Supervise internal team responsible for accounts receivable / accounts payable work on various clients.
• Assist in on-boarding new clients, assessing needs, and establishing client team and work plans per client.
• Assess on-going accounting operations and systems and offer recommendations for improvement.
• Assess client relationships and service scope to identify opportunities to expand engagements through upselling and cross-selling complimentary offerings.
• Assist with hiring, training, and developing the OpStart accounting team.

• 5+ years of relevant experience (bookkeeping, accounting, financial statements preparation, A/R or A/P, etc.)
• Demonstrative knowledge of Quick Books, Microsoft Excel, and Generally Accepted Accounting Principles (GAAP) is a must
• CPA or CMA Certification is a plus
• Familiarity with , Gusto, Brex, and similar platforms is a plus
• Familiarity with e-commerce, manufacturing and/or inventory accounting is a plus
• Customer centric mindset with a strong desire to help others
• Quick learner and rapid problem solver
• Organized, detail oriented, communicative, efficient and tech-savvy
• Ability to manage processes and people with limited oversight
• Excited to work in a fast-paced environment with a team of entrepreneurs

This job description is not designed to cover or contain a comprehensive listing of the activities, duties, or responsibilities for this position. Duties, obligations, and activities may evolve or change at any time with or without formal notice.