Situated in the heart of the City of London, 1 King William Street is a grand period property that combines historic character with modern, light-filled workspaces. The building makes a striking first impression and includes a large private roof terrace — a rare outdoor sanctuary in the Square Mile that’s perfect for informal meetings, events or a break from the desk.
Make this prestigious City postcode your business address with a Virtual Office that gives your company professional presence, reliable mail handling and optional call answering services. Supported by an experienced on-site team and access to meeting rooms, business lounges and coworking across central London, this location is ideal for businesses seeking credibility and flexibility.
This location offers reliable Wi‑Fi, professional meeting rooms and well-appointed business lounges to support productivity. Unique facilities include a large roof terrace, shower rooms and secure bike storage, along with kitchens and daily cleaning for convenience.
Set in the centre of the City, 1 King William Street benefits from excellent connectivity and easy access to central London transport links. It is adjacent to Bank station (around 1 minute), a short walk to Cannon Street and Mansion House, and close to Liverpool Street and Monument stations, offering both metro and mainline rail options.
Argyll is a London-based provider of premium office environments, specialising in delivering characterful, serviced workspaces across the city’s most prestigious postcodes. With years of experience operating in central London, Argyll focuses on high-quality design, attentive client service and flexible solutions for growing businesses.
The company offers a full range of workspace services including Virtual Office packages, meeting rooms, coworking and private offices. Argyll’s hands-on team provides mail handling, professional call answering and event support, ensuring clients benefit from a trusted business address and hospitality-grade service.
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