Availability
SS-3166 offices · 2 to 20 people 6 available now Updated 15 Aug 2026
| Office | Price /mo | Enquire | |
|---|---|---|---|
| 2-person private office | 2 | $1,400 | |
| 4-person private office | 4 | $2,800 | |
| 6-person private office | 6 | $4,200 | |
| 8-person private office | 8 | $5,600 | |
| 10-person private office | 10 | $7,000 | |
| 20-person private office | 20 | $14,000 |
Need space for a larger team?
Availability changes frequently, and Regus often has more offices than are listed here. Suites here are combined for larger teams, up to 50 people and beyond. Pick your team size and we will check what is free right now.
Why this building
The building
When you need a breather, take a visit to nearby Rundle Mall, a pedestrianised retail hub filled with a wide selection of stores. And explore the city's many after-work entertainment options, with pubs, bars and live music in plentiful supply.
Key facts
| Product | Serviced offices |
| Operator | Regus |
| Address | 121 King William Street, Adelaide SA 5000 |
| Offices available | 6 |
| Team sizes | 2-50+ |
| From | $1,400 /mo all-inclusive |
| Monthly range | $1,400-$14,000 |
| Terms | Flexible · all-inclusive |
| Reference | SS-316 · listed on Sidespace, updated 15 Aug 2026 |
Location
Connecting streets
Streets intersecting or near King William Street
Transport & access
Nearest transport options from this property
The operator
Regus provides premium, fully serviced office solutions tailored for businesses of every size across Australia, from startups and freelancers to established enterprises. With an extensive network of locations in major hubs like Sydney, Melbourne, Brisbane, Perth, Adelaide, and beyond, Regus offers private offices, coworking spaces, dedicated desks, and flexible hot-desking options on terms that fit any schedule-by the hour, day, month, or longer. Enjoy move-in-ready setups complete with high-speed Wi-Fi, ergonomic furniture, professional reception services, fully equipped kitchens, breakout areas, and access to bookable meeting rooms and conference facilities equipped for seamless presentations and hybrid meetings.
Scale effortlessly without the burdens of traditional leasing, as Regus handles utilities, maintenance, cleaning, and admin support so you can focus on growth and productivity. Benefit from prime business addresses in Australia's key commercial districts, vibrant networking opportunities within a global community, and the freedom to expand or relocate as your needs evolve. Regus delivers a professional, hassle-free environment that supports innovation, collaboration, and work-life balance for today's dynamic Australian businesses.