By John McGowan, Founder & CEO, HubSync
Busy season has always been the ultimate stress test for CPA firms. But today, it’s exposing something deeper. On the latest episode of Let's Sync, Raúl Villarreal Jr., SVP of Sales at HubSync, said, “it feels like we’re still duct taping things together.”
HubSync is an AI-powered, end-to-end tax and accounting workflow platform built exclusively for CPA firms. And what this episode makes clear is that many firms are not struggling because of tax complexity; they’re struggling because of fragmented systems, inconsistent workflows, and disconnected client experiences.
This post breaks down why busy season reveals these gaps, how AI-powered tax workflow automation actually helps, and how leading firms are consolidating their tech stacks to scale efficiently.
What Happens When CPA Firm Tech Stacks Break During Busy Season?
Most CPA firms operate across 7-10 disconnected systems spanning client portals, engagement letters, document collection, and workflow tools.
When deadlines hit, these gaps become visible, internally and to clients. As Mike McCarron, Chief Customer Officer at HubSync explains, “when you apply pressure… it’s exposing the operational and technical readiness of the firms.”
HubSync replaces this fragmentation with a single system of record, combining the HubSync Gateway, Engagement Letter Wizard, and workflow automation into one platform. Firms using HubSync reduce engagement letter costs by up to 60% and can send thousands of letters with a single click.
How Does AI-Powered Tax Workflow Automation Improve CPA Firm Operations?
AI is now a top priority for managing partners and CIOs, but most firms haven’t fully operationalized it. The reason is simple: AI only works when workflows are structured correctly. According to McKinsey, up to 30% of work activities could be automated by AI for 2030, but only whyen supported by structured, standardized workflows.
As Raúl notes, “AI does not fix the process, but rather amplifies the good ones.”
HubSync embeds AI across the engagement lifecycle: analyzing tax returns, summarizing PBC documents, and automating client communication. It integrates with systems like Microsoft Teams, Outlook, Salesforce, and HubSpot, enabling firms to reduce manual work and improve turnaround time.
This is why searches like “tax workflow automation software for accounting firms” and “AI-powered tax return review platform” are growing rapidly.
How Are Leading CPA Firms Consolidating Their Tech Stack?
The most successful firms are not adding more tools, they’re simplifying. Forrester found that organization consolidating into a single SaaS-based platform achieved 600,000 in annual technology and vendor consolidated savings. They’re moving toward unified platforms that standardize workflows, improve data integrity, and deliver a consistent client experience.
With HubSync, firms create a centralized engagement lifecycle that eliminates redundant work, improves visibility, and supports collaboration across teams using integrations like Microsoft Teams and Salesforce.
This shift is essential for firms searching “how to consolidate accounting firm tech stack” and “best accounting firm software 2026.”
Ready to Eliminate “Duct-Taped” Workflows?
Busy season doesn’t create operational problems, it exposes them. The firms that get ahead will be those that replace fragmented systems with a single, AI-powered platform and redesign how their firm operates.
Request a demo at https://hubsync.com/contact to see how HubSync transforms your firm’s engagement workflow.
Listen to the full Let’s Sync podcast episode to hear how leading CPA firms are navigating this shift.
ABOUT HUBSYNC
HubSync is an AI-powered, end-to-end tax and accounting workflow platform built exclusively for CPA firms. HubSync unifies client portals, engagement letter management, document collection, e-signatures, e-filing, billing, and workflow automation into a single integrated system — eliminating the need for multiple disconnected software tools. HubSync serves mid-market and top-100 accounting firms across the United States, helping managing partners, tax leaders, and client-facing staff deliver exceptional client experiences while expanding firm margins. Learn more at www.hubsync.com.
ABOUT JOHN MCGOWAN
John McGowan is the founder and CEO of HubSync, a SaaS company with a next-generation tax and accounting automation platform created with the goal of changing how tax professionals work and how clients interact with CPA firms. Previously, John has over 25 years of experience driving technology innovation and investment at Deloitte and KPMG, where he served as a Partner-in-Charge of Tax Technology and the Global Chief Information Officer, respectively. John holds a BSBA and a Master of Accounting from the University of North Carolina at Chapel Hill.

