The Outsourced Accountant: What to Expect in the First 90 Days

Quick Read

Getting an offshore team in is rarely the issue. But aligning them to how your finance function actually works can be tricky for most businesses. Usually, this is down to small but important details such as when to pay your vendors, handling exceptions and understanding the nuances of the client’s accounting. However, by having a well thought out onboarding process for offshore team you will ensure your offshore accountants understand why they are doing certain tasks. This ensures your vendor is not just a transactional resource but an extension of your finance team.

Introduction

Now that your CPA firm has outsourced your accounting function, what should you expect? Since you will have handed over Tax Preparation, Payroll, or bookkeeping to an offshore or outsourced accounting services company, the next ninety days are crucial and will decide whether this new relationship will take root or unravel. 

Well, the fact is straight. No client would really care who’s behind the spreadsheet. They will only care about whether their deliverables are accurate and on time. For both the outsourcing company as well as your CPA firm, the first 90 days of working with an outsourced accountant are crucial: Both need to establish a foundation of trust, clear communication, and process alignment. It is also vital to achieve proactive planning and effective onboarding, and establish consistent feedback to ensure a seamless and productive long-term partnership. Many CPA firms even begin this journey as part of outsourcing during tax season, when deadlines make efficiency non-negotiable. 

In this blog we shall explore a firsthand account of what you should expect in the first 90 days of the outsourcing relationship when you switch your operations to an outsourcing provider. It really doesn’t matter whether you are shifting one role or a complete function as the outsourcing process requires complete accountability, accountability, and needs to be focused on results. 

You can also read  – When Should CPA Firms Hire Offshore Staff?

Before Day One – Prepare for a Successful Onboarding

The first step when starting a process is gaining clarity internally. Many businesses believe that they understand processes but when it comes to explaining them externally, there will be many inconsistencies. It is important to write down your processes in a way that shows how you actually run them. For example, an invoice processing process may not be perfectly linear. There may be some instances of missing approvals, duplication or issues with the vendor. If these are not identified at the beginning, the offshore accounting team will make assumptions about the process. This often leads to delays or errors.

Phase 1: Days 0–30 – Setup, Access, and Expectations 

What CPA Firms Should Do: In the first month, CPA firms need to build the foundation for success. This includes preparing detailed SLAs and KPIs for Tax Preparation, payroll, and month-end close, providing secure role-based system access, and setting clear communication rules. A kickoff video call helps align expectations and build trust. 

What the Outsourced Team Should Do: During this stage, the outsourced team goes through training and shadows the CPA firm’s staff to understand systems and workflows. They may complete small pilot tasks and review the chart of accounts to confirm they understand the firm’s financial setup. Working with an outsourced accountant at this stage ensures that the foundation is strong enough for scaling later. 

Phase 2: Days 31–60 – Process Ownership and Pilot Runs 

What CPA Firms Should Do: In the second month, CPA firms should shift focus to execution. They need to review the outsourced team’s work every 7–10 days, provide constructive feedback, and log process improvements or challenges for future reference. 

What the Outsourced Team Should Do: The outsourced team begins handling recurring tasks like reconciliations, general ledger maintenance, tax returns preparation and payroll independently. They can also suggest process improvements, offering fresh ideas to streamline outdated workflows. This is when an outsourced accountant starts to demonstrate measurable value. Firms that also decide to outsource tax services at this stage often notice time savings and smoother compliance cycles. 

Phase 3: Days 61–90 – Expansion and Integration 

What CPA Firms Should Do: By the third month, CPA firms can start assigning more complex tasks. Firms should also start tracking KPIs to measure performance and check that the outsourced team aligns with their culture and values. 

What the Outsourced Team Should Do: At this stage, the outsourced team takes on advanced tasks like financial forecasting and audit preparation. They also provide proactive insights to support strategic goals and finalize SOPs based on real-world experience from the first three months. By now, an outsourced accountant should feel fully integrated into the firm’s workflow. For firms using Offshore CPA back-office services, this phase often includes more complex reporting or multi-entity consolidation. 

Best Practices Beyond 90 Days 

For CPA firms, maintaining success after the first three months requires consistent effort. Regular check-ins keep both your internal staff and the outsourced team aligned while helping you resolve new issues quickly. It’s also important to formalize reviews. A structured 90-day review gives you the chance to evaluate the outsourced team’s performance, measure progress against agreed goals, and gather useful feedback for improvement. Finally, focus on building collaboration. Use shared calendars and project management tools to avoid working in silos. Celebrate achievements together to strengthen trust and create a long-term, cohesive partnership with an outsourced accountant. Many firms also expand into white label accounting solutions beyond this point, offering seamless services to clients under their own brand. 

How KMK Associates Can Help 

At KMK Associates, we understand that the first 90 days with an outsourced accountant set the tone for long-term success. Our team provides structured onboarding, secure system access, and clear SOP documentation to ensure a smooth transition. Whether you’re looking for Offshore CPA back-office services, aiming to outsource tax services, or exploring white label accounting solutions, we help CPA firms build scalable, efficient, and cost-effective operations. With proven experience in outsourcing during tax season, KMK ensures your deadlines are met, workflows are optimized, and client deliverables remain accurate and on time. 

Conclusion 

The first 90 days with an outsourced accountant are about more than onboarding—they’re about laying the foundation for trust, efficiency, and long-term collaboration.  Every step from setting expectations, creating efficient processes, taking ownership over processes and measuring performance is important. Outsourcing can provide you with a solid support structure. With clear expectations, ongoing feedback, and gradual integration, CPA firms can unlock true value from outsourcing.
By partnering with the correct outsourcing company CPA firms can create an efficient and scalable accounting team.