Architecture firms continue to face soft business conditions
In August, architecture firms continued to face soft business conditions, posting an AIA/Deltek Architecture Billings Index® (ABI) score of 47.2.

WASHINGTON – September 23, 2026 – In August, architecture firms continued to face soft business conditions, posting an AIA/Deltek Architecture Billings Index® (ABI) score of 47.2. Although the share of firms reporting declining billings eased slightly from July, the overall trend remained downward.
Inquiries into new projects showed only modest growth this month, while the value of newly signed design contracts continued to decline. Despite an overall decline in billings, regional performance was mixed in August. Midwest firms reported modest growth for the first time in nearly a year, and billings at Western firms were essentially flat. In contrast, Northeast firms saw billings fall sharply to their lowest level since 2020. Architecture firms are growing less optimistic about future billings, with the share expecting declines rising from 21 percent at the end of the first quarter to 29 percent by the end of the third quarter.
Conditions in the broader economy also remained mixed in August. Architectural services employment increased, adding 700 new positions in July. Despite this employment growth, inflation ticked back up in August, with the Consumer Price Index (CPI) increasing by 0.4 percent from July, after rising just 0.1 percent the previous month. It remains up by 3.4 percent from one year ago, with recent increases in gasoline and energy prices among the largest contributors.
“Architecture firms are caught between stubborn inflation and higher borrowing costs,” said AIA Chief Economist Richard Branch. “The Federal Reserve’s latest rate increase may help ease inflationary pressures over time, but in the near term it adds another headwind for projects already facing a difficult financing environment.”
Key ABI highlights for August include:
• Regional averages: Midwest (50.7); West (49.8); South (46.1); Northeast (40.7)
• Sector index breakdown: commercial/industrial (50.4); multifamily residential (47.8); institutional (47.0); mixed practice (firms that do not have at least half of their billings in any one other category) (42.5)
• Project inquiries index: 50.8
• Design contracts index: 48.3
The regional and sector categories are calculated as three-month moving averages and may not always average out to the national score.
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About AIA
Founded in 1857, AIA consistently works to create more valuable, healthy, secure, and sustainable buildings, neighborhoods, and communities. Through more than 200 international, state, and local chapters, AIA advocates for public policies that promote economic vitality and public well-being.
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About Deltek
Better software means better projects. Deltek is the leading global provider of enterprise software and information solutions for project-based businesses and the home of AIA MasterSpec®. More than 30,000 organizations, including 12,000 Architecture & Engineering firms, rely on Deltek for superior levels of project intelligence, management, and collaboration. Our industry-focused expertise powers project success for A&E firms of all sizes by helping them achieve performance that maximizes productivity and revenue. Learn more at Deltek.
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