Controller

ASG Information Technologies • Wallingford, CT

46d • $90,000 - $110,000

About The Position

The Controller owns the financial operations of ASG Information Technologies. This role is responsible for the accuracy and timeliness of all financial reporting, billing, payroll, and vendor management. In an MSP environment, the Controller also plays a critical role in reconciling what the company purchases on behalf of clients against what clients are billed, making this a high-impact position directly tied to revenue integrity.
The right person for this seat brings strong accounting fundamentals, comfort operating in a fast-moving service business, and the attention to detail required to manage subscription-based billing across a diverse client base.

Requirements

• 5+ years of progressive accounting or finance experience, with at least 2 years in a Controller or senior accounting role.
• Experience in an MSP, managed services, or subscription-based services business strongly preferred.
• Proficiency in QuickBooks or comparable accounting software.
• Familiarity with ConnectWise or comparable PSA platform for billing and invoicing preferred.
• Experience managing subscription or license reconciliation across multiple vendors and clients.
• Strong attention to detail with the ability to manage multiple concurrent deadlines.
• Comfortable working directly with senior leadership and external accountants.

Nice To Haves

• Experience in an MSP, managed services, or subscription-based services business
• Familiarity with ConnectWise or comparable PSA platform for billing and invoicing

Responsibilities

• Own the monthly close process. Produce accurate P&L, balance sheet, and cash flow statements on a consistent cadence.
• Prepare and distribute the monthly financial reporting package for leadership.
• Track budget vs. actual performance by department and surface variances with explanations.
• Lead the annual budgeting process in partnership with the COO and CEO.
• Maintain chart of accounts and general ledger integrity.
• Serve as the primary liaison with the external CPA firm for tax preparation, compliance filings, and audit support.
• Own the reconciliation between what ASG purchases from vendors on behalf of clients and what those clients are invoiced. This includes Microsoft 365 licenses, software subscriptions, cloud services, and hardware.
• Identify and resolve billing gaps where services have been provisioned but not invoiced, or where client billing does not reflect current usage or seat counts.
• Work with vCIO, TAM, and technical teams to ensure that subscription changes (adds, removals, upgrades) flow accurately and promptly into client billing.
• Maintain per-client cost and margin visibility by tracking vendor spend against client revenue.
• Manage vendor portals (including Microsoft Partner Center) to monitor active subscriptions, license counts, and billing statements.
• Produce a recurring reconciliation report that surfaces any discrepancies between vendor costs and client charges.
• Oversee the monthly billing cycle in ConnectWise, ensuring invoices are accurate, complete, and sent on time.
• Review invoices for MRR accuracy before they go to clients, catching errors before they affect the client relationship.
• Manage AR aging. Follow up on outstanding balances, escalate as needed, and maintain collections discipline.
• Track and report on MRR, ARR, and revenue trends for leadership visibility.
• Partner with Sales and vCIO on new client onboarding to ensure billing is set up correctly from day one.
• Process vendor invoices and payments accurately and on schedule.
• Manage expense reporting and reimbursement processes.
• Maintain vendor records and track contract terms, payment schedules, and renewal dates.
• Identify opportunities to improve vendor payment terms or reduce unnecessary spend.
• Process payroll accurately and on schedule for all employees.
• Reconcile benefits invoices against enrolled employees each month.
• Maintain accurate compensation records and support any compensation planning or benchmarking exercises.
• Coordinate with HR on onboarding and offboarding as it relates to payroll, benefits, and final pay.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed