Decagon

Where is Decagon headquartered?

Decagon is headquartered in San Francisco, California, with additional offices in New York City (opened July 2025) and London (opened November 2025). Following its $250M Series D in January 2026, Decagon signed a lease for approximately 69,000 square feet across two full floors at 680 Folsom Street in San Francisco's SoMa district — one of the largest AI company office expansions in San Francisco that year, shared space in the BXP-owned building alongside Dropbox.

HQ
San Francisco, CA
HQ Address
680 Folsom St., Floors 6–7, SoMa, San Francisco, CA 94107
HQ Size
~69,000 sq ft (two floors)
Offices
San Francisco · New York City · London
Employees
~434 (May 2026)
International Presence
London (opened November 2025)

Where does Decagon have offices?

Decagon operates three offices across two continents, with San Francisco as the dominant engineering and executive hub.

  • San Francisco, CA· Headquarters
  • New York City, NY· Office
  • London, UK· Office

Sources:Decagon AI Leases 69,000 SQFT at 680 Folsom — The Registry SFDecagon SF Expansion — The Real Deal

Where is Decagon's headquarters?

Decagon's headquarters is in San Francisco, California. Following its January 2026 Series D, the company signed a lease for approximately 69,000 square feet across the sixth and seventh floors at 680 Folsom Street in SoMa (South of Market) — a significant expansion within one of San Francisco's primary technology corridors. The building is owned by Boston Properties (BXP), which has invested heavily in amenities including a revamped lounge, flexible workspace, and a rooftop event space; Decagon's lease helped push 680 Folsom past 90% occupancy.

The company was previously based at 100 First Street, San Francisco. The relocation to SoMa puts Decagon in close proximity to Salesforce Tower, Twilio, and other enterprise technology companies — consistent with the customer and partner ecosystem Decagon is targeting. San Francisco is where the vast majority of Decagon's engineering, product, and executive leadership is based, and the 69,000 sq ft commitment signals substantial planned headcount growth through at least 2027.

What other offices does Decagon have?

Decagon opened a New York City office in July 2025 and a London office in November 2025, both funded by the Series C proceeds. The New York City office serves the financial services vertical — customers include Chime, Affirm, Bilt Rewards, and Block — and supports the east coast enterprise sales motion for larger regulated-industry accounts.

The London office extends Decagon into the European market, where Deutsche Telekom is the anchor enterprise customer and a signal of intent to pursue EMEA accounts more broadly. London is also the base for two of Decagon's investors, Index Ventures and Definition Capital, whose networks likely facilitated the office opening and early EMEA customer introductions. Both satellite offices are considerably smaller than the San Francisco HQ.

What Decagon's office footprint means for territory planning

For field sales and account-based marketing teams, Decagon's real estate footprint maps directly to buyer cluster density. San Francisco and the Bay Area is the primary theater: Decagon's SaaS and fintech customers (Rippling, Notion, Affirm, Chime, Oura, Figma, Dropbox) are largely Bay Area-headquartered, making the region the most productive for in-person executive dinners, field events, and direct outreach. The 680 Folsom lease through 2027+ means Decagon's SF buyer relationships will remain concentrated and accessible.

New York City is the second-priority market for enterprise sellers. Financial services accounts (Bilt Rewards, Chime's east coast operations) and travel and retail (Avis Budget Group, Hertz, Eventbrite) are concentrated there. CXO roundtables and customer advisory board events in NYC are well-supported by Decagon's office presence. London and EMEA represent an emerging opportunity: Deutsche Telekom is the anchor logo, and the November 2025 office opening signals active EMEA pipeline development. However, Decagon's London team is still early-stage — procurement decisions for EMEA enterprise deals may still run through San Francisco leadership rather than a fully autonomous London buying function.

As of June 2026.Sources:Decagon AI Leases 69,000 SQFT at 680 Folsom — The Registry SFDecagon SF Expansion — The Real Deal680 Folsom Leasing Activity — CoStarDecagon — Built In San Francisco

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