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Parsons buys Altamira in deal worth up to US$375m

The defence contractor adds 600 mostly cleared staff and a signals intelligence franchise aimed at the US intelligence community.

M&A News deals deskIndustrials / Defence and intelligence services · United States, Americas15 Jan 2026

Parsons announced on 15 January that it had acquired Altamira Technologies, a Northern Virginia intelligence and national security technology company, in a transaction valued at up to US$375m.

Altamira Technologies website: altamiracorp.com

Why Parsons Corporation is buying Altamira Technologies Corporation

Parsons said Altamira strengthens its defence and intelligence portfolio, broadens its reach among intelligence community customers and helps it win more intelligence and multi-domain operations work. The deal fits its strategy of buying companies with revenue growth and adjusted EBITDA margins of at least 10%, and Parsons expects it to add to fiscal 2026 revenue growth, adjusted EBITDA margin and adjusted earnings per share.

“Acquiring Altamira is a strategic accelerator for our national security growth strategy”Carey Smith, Chair, President and CEO, Parsons

Deal terms and financing

Parsons paid US$330m in cash at closing and may pay a further US$45m in cash in the first quarter of 2027 if Altamira meets 2026 EBITDA targets. The base price implies 12.8 times Altamira's anticipated 2026 EBITDA contribution before synergies. Parsons expects Altamira to generate more than US$200m of revenue in 2026.

Regulatory approvals and timing

The acquisition was completed on signing; Parsons' quarterly filing records that it acquired 100% of Altamira on 14 January 2026.

Market context

Altamira, founded in 1999 and based in McLean, has more than 600 employees, over 90% of whom hold security clearances, and works on signals intelligence, cyber, missile warning, space and ISR. It joins Parsons' Defense & Intelligence unit. Parsons has made a string of bolt-on deals, including BlackSignal Technologies for US$200m in 2024 and Chesapeake Technology International in 2025, Washington Technology reported.

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