The accounting outsourcing trends below can each be confirmed on a page today, with the number, the date it was measured, and one line on what it does not prove.
Some of what firms most want to know is not measured anywhere. Those gaps get named rather than filled.
Outsourced Business Process Awards Rebounded in the First Half of 2026
Demand for outsourced business processes came back after a down year, and it grew faster than it had in years. Annual contract value (ACV) is the yearly value of the contracts awarded in a period, and it is how sourcing analysts size that demand. Business process outsourcing (BPO) award value reached $4.8 billion in the first half of 2026, up 47% year over year and the best first-half growth for BPO since 2022 (ISG Index, second quarter 2026).
Inside that result the growth was uneven. Back-office work rose 96% on strength in supply chain, human resources and facilities, industry-specific work rose 35% year over year but fell sequentially, and customer experience fell 16% to its lowest first half since 2020 (ISG Index, second quarter 2026).
None of that is accounting-specific. The index counts tracked commercial contracts worldwide and across every business process, so a back-office line covers work a CPA firm has no reason to buy, and a total built from corporate contract awards says little about the size of engagement a small practice signs.
The headline also flatters the comparison. The 47% is measured against a first half that had itself fallen from the year before, from $4.3 billion in the first half of 2024 to $3.3 billion in the first half of 2025, so part of the rise is ground being recovered rather than new demand. The same report puts Americas managed services down 6% in the first half of 2026, its first negative first half since 2019, though that regional line covers all managed services rather than BPO alone (ISG Index, second quarter 2026).
Finance and Accounting Work Is Moving Into Company-Owned Offshore Centers
A global capability center (GCC) is an offshore office a company owns and staffs itself, rather than a provider it hires. In a 2025 study of 200 firms that had set up a GCC in the previous two years or planned to within the next two, 31% said finance and accounting operations run at their center, which placed it among the top five activities named, and 90% said they planned to increase the scope of work handled there within the next 12 months (ISG Market Lens GCC Study, 2025, reported in the ISG Index, second quarter 2026).
The sample is both the finding and its limit. Every respondent already had a center or intended to build one, so the share describes that group rather than the market. It also describes large enterprises building their own offices, which is a different decision from a firm hiring an outside team, and it is a shift in delivery model rather than in country. The country question is worked through in nearshore versus offshore outsourcing.
Finance and Accounting Outsourcing Market Forecasts Are Estimates, Not Measurements
The market-size figure that circulates most is a projection. One published estimate puts the finance and accounting outsourcing market at $54.79 billion in 2025 and $59.05 billion in 2026, reaching $85.92 billion by 2031 at a compound annual growth rate of 7.78%. The same estimate places North America at 40.88% of the 2025 market by geography, and offshore hubs such as India and the Philippines at 56.53% of service delivery, which is a share of a different total (Mordor Intelligence, updated January 27, 2026).
A forecast is a model, not a count. The publisher decides where the boundary of the market sits, which services fall inside it and which do not, and the method that produced the number is sold as a report rather than published. Read a size figure as a direction of travel and nothing more, because a number quoted without its method is a headline rather than evidence.
AI Use Is Measured Across US Businesses, and the Question Itself Changed
Federal data measures adoption directly rather than forecasting it. The Census Bureau's Business Trends and Outlook Survey put overall AI usage between 17% and 20% of US businesses from December 2025 to May 2026, with the national rate at 19.8% in the collection period ending May 3, 2026, and between 20% and 23% of businesses expecting to use it in the following six months (US Census Bureau, May 26, 2026).
One detail matters more than the level. The survey originally asked about AI use in producing goods or services, and the Census Bureau revised the wording in November 2025 to ask whether the business had used AI in any business function (US Census Bureau, May 26, 2026). The window above starts after that revision, so those readings are comparable with each other, but a jump across the boundary is partly a change in the question rather than a change in behavior.
It is also not a statement about accounting work. It counts businesses of every kind rather than tasks, and it says nothing about what a tool can reliably do on a return. That argument is sorted task by task in AI versus offshoring for accounting work.
The Accounting Outsourcing Statistics That Do Not Exist
The closest thing to a direct measurement of accounting work crossing a border is federal trade data. The Bureau of Economic Analysis added exports and imports of accounting, auditing, and bookkeeping services by area and country to its detailed international services statistics when it restructured the international economic accounts in October 2014 (Bureau of Economic Analysis). It still publishes those detailed tables by service type and geographic area, most recently on July 7, 2026 (BEA, international services expanded detail).
Those statistics record the value of cross-border purchases, not the number of firms making them, so they cannot tell you how common the practice is among US firms or what share of a typical firm's production sits outside the office. The forecast quoted above does not answer it either, because its method is sold rather than published. The hiring pressure underneath the whole subject is a separate series, handled in the accountant shortage.
Questions Firms Ask About Accounting Outsourcing Trends
Is Accounting Going to Be Outsourced?
Parts of it already are, and the measured movement sits in production work rather than in review. Finance and accounting operations ranked among the top five activities running inside company-owned offshore centers, named by 31% of the firms surveyed (ISG Market Lens GCC Study, 2025, reported in the ISG Index, second quarter 2026). What does not travel is the judgment, the review and the signature, and that split is worked through in advantages and disadvantages of outsourcing accounting.
Is Outsourcing a Dying Concept?
No measured series tracks accounting outsourcing on its own, but the contract data that does exist shows growth rather than contraction, with business process outsourcing awards posting their fastest first-half growth since 2022 in the first half of 2026 (ISG Index, second quarter 2026). The limit on that answer is the limit on the figure. It counts tracked commercial contracts across every industry, not the engagements one accounting practice signs, and whether the model pays for a single firm is a separate calculation, set out in the ROI of accounting outsourcing.
Where These Outsourced Accounting Trends Leave Your Decision
None of these changes decide anything for one firm. A market forecast cannot tell you whether your own work is ready to leave the office, and a contract-value chart cannot tell you which files to send first. Those are different questions with their own pages. Whether the model fits your practice at all is worked through in is outsourcing right for my accounting firm, the order of operations for a first engagement is in how to start outsourcing accounting, and the firm-level quality management obligations that now sit around any outside resource are set out in offshore accounting quality control.
If you are past the research stage, the fastest test is real work rather than another forecast. Since 2022, Accountably has placed 30+ trained offshore accountants and tax preparers inside 20+ US firms. The Free 40-Hour Proof Pilot runs a fixed block of your own files on your software and your process, through the full review chain, so your reviewer grades real output before a client file depends on it. If a placement is not the right fit in the first 30 days, we replace them free.