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SEIU security officers strike at major Silicon Valley tech firms over pay

Thousands of unionized security guards contracted through firms like Securitas and Allied Universal have walked off the job at Big Tech campuses in California. The strike follows a member vote earlier this month authorizing action after months of stalled contract negotiations with SEIU-United Service Workers West.

fastcompany.com · 2026-09-18

Anthropic tells SF staff to work from home over possible security strike, union denies threat

Anthropic instructed employees at its San Francisco offices to work remotely on Monday and Tuesday after its security staffing firm, Allied Universal, warned of a potential strike. The SEIU union representing those security workers told Business Insider it has issued no strike threat or authorization vote, and is still in contract talks with Allied over wages, healthcare and training.

businessinsider.com · 2026-08-25