SoftBank Wants to Buy America’s Biggest Security Guard Company and Use Robots

SoftBank is eyeing an $18 billion deal to take over the largest private security firm in America, with plans to swap out guards for robots at scale. The math only works if machines can do the job, and that question…
Security guards may be the next workers SoftBank Group tries to automate. On Friday, October 16, 2026, reports emerged that SoftBank is considering acquiring Allied Universal, a private company that initial reports described as the largest U.S. security services firm. A source familiar with the matter, Reuters reported, said a deal could value Allied at about $18 billion. Reuters also noted SoftBank’s 2025 agreement to buy ABB’s robotics business for $5.4 billion.
Talks are preliminary, and no decision has been made on price; SoftBank declined to comment, and Allied did not immediately respond.
SoftBank’s U.S. over-the-counter shares fell 9.98% to $14.70, with a market cap of about $160.39 billion, during a broad AI selloff. Arm Holdings (NASDAQ:ARM | ARM Price Prediction) fell 6.94%, Teradyne (NASDAQ:TER) slipped 5.31%, and Symbotic (NASDAQ:SYM) lost 2.49%. Those moves came on the same day the Allied report emerged.
What SoftBank Is Actually Weighing
Allied staffs security for businesses, venues and major events. It also has a growing presence in data centers, where it supports both construction and day-to-day operation.
People familiar with the talks say SoftBank would eventually replace some guards with robots for certain tasks. Humanoid robots would take longer to roll out. The report included no financing details, no robot timeline, and no estimate of how many jobs could be affected, and it did not say whether the valuation refers to equity or enterprise value.
Guarding is a payroll business with thin margins. The deal works only if machines take over enough shifts to lift margins at scale.
Patrols, camera monitoring and access control are the easiest tasks to automate. Judgment calls, medical emergencies and stadium crowd control are much harder. Clients also pay for accountability and liability coverage, so replacing guards raises questions about insurance, licensing rules and whether customers will accept the change.
How Much Arm, Teradyne and Symbotic Stand to Gain
SoftBank, Arm’s majority owner, already contributed $193 million of Arm’s $574 million in June-quarter license revenue. Royalties from security robots would barely register against a $243.29 billion market value.
Teradyne owns Universal Robots and MiR. But its Robotics segment produced only $100 million of its $1.329 billion in second-quarter revenue, selling to factories and warehouses. Teradyne has disclosed no tie to Allied.
Symbotic holds a 35% stake in Exol, a warehouse-as-a-service joint venture with SoftBank, with a contract worth about $11 billion. That business automates logistics, which is a separate market from guarding buildings.
Weighing Son’s Record Against the Data Center Upside
Founder Masayoshi Son’s early Alibaba (NYSE:BABA) investment and his Arm interest produced large gains, while WeWork produced large losses. SoftBank’s Pepper robot, whose production was paused, is a closer warning for this deal.
Allied’s data center work gives SoftBank a ready-made customer base for testing robots inside AI infrastructure. Still, the deal would buy a low-margin service business on the promise of technology that is years away from working at scale.
Where AI Robotics Valuations Hold Up and Where They Stretch
The bull case rests on scarce, expensive labor. Teradyne’s robotics revenue grew 33% from a year earlier, and its chief executive said on July 29, 2026, that physical AI applications will drive that growth.
The bear case is valuation. Arm trades at 152x forward earnings and Symbotic at 161x, prices that assume adoption arrives on schedule.
AI robotics valuations have the strongest support where robots or chips already bring in revenue. By that test, Teradyne at 31x forward earnings rests on more existing revenue than any SoftBank robot-guard thesis.
The thing to look for is a signed agreement from SoftBank or Allied that states a price and financing. Until one is announced, the robot-guard plan remains a statement of intent that adds no real revenue to any of these three companies.

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