Welcome to OSI

Chart Your Path to Success with OSI Offices: The Pioneer in Flexible Office Solutions - Your Partner in Growth for Over 40 Years.

🌟 Choose our Enhanced Mail Service, now available at a special rate of only $35/month for the initial six months. OSI Offices offers you the flexibility of no long-term obligations with the option to cancel at your convenience.

Our Services at a Glance

Virtual Office Spaces and Solutions

Discover the flexibility and convenience of our virtual office spaces in Washington D.C. Tailored for professionals and startups, our virtual office solutions provide a prestigious business address, mail handling services, and access to meeting rooms without the need for a physical office space.

Mail Handling and Customized Arrangements

Our personalized mail services are designed to cater to your specific business needs. Choose from daily mail forwarding, cutting-edge mail scanning features, and AI-powered technology to manage your correspondence efficiently and securely.

Meeting and Conference Facilities

Access our state-of-the-art meeting and conference rooms equipped with modern amenities. Perfect for client meetings, video depositions, team discussions, or professional gatherings, our facilities provide the ideal environment for your business engagements.

Dedicated Office Spaces

For those seeking a physical presence, we offer fully furnished private office spaces and dedicated desks in a prime DC location. Enjoy 24/7 access, complete suite amenities, and a professional setting to drive your business forward.

Comprehensive Business Services

From acting as your registered agent to providing documents necessary for government contract services, we offer a range of business solutions to support your venture at every step. Leverage our expertise to navigate regulatory requirements and accelerate your business growth.

Customized Phone Services

Stay connected with our tailored phone services. We offer private numbers, live answering options, call forwarding, and voicemail-to-email transcription services, ensuring you never miss an important call.

About Us.

Located just steps from the White House and Farragut Square, OSI Offices is at the epicenter of D.C.'s bustling business district. We have specialized in providing top-tier office space solutions since 1981, at competitive prices, with no hidden fees or long-term commitments.

Our client-first approach, born from a rich history in business innovation, has helped over 5,000 diverse businesses – from lawyers and mental health professionals to non-profits and startups – thrive. Quick setup, flexible terms, and transparent pricing define our service ethos, ensuring you receive only what you need to succeed, nothing more.

Experience the OSI difference, where quality, affordability, and client satisfaction are our enduring commitment.

We cater to a diverse range of professions such as law, mental health, non-profit organizations, home healthcare, government contractors, along with an expansive array of novel startups. Our tailored packages include:

  • Attorneys: Harness the power of our comprehensive services designed to empower your legal practice. We facilitate networking opportunities among a vast community of esteemed attorneys and potential clients by publishing your credentials
  • Mental Health Professionals: Join our esteemed community of over 150 mental health professionals and embark on your practice with ease
  • Startups: Experience seamless entry, effortless scalability, and adaptable solutions tailored to your evolving needs.
  • Digital Nomads: Unite the dynamic mobile world with a solid base in Washington D.C. Seamlessly manage every facet of your business directly from your phone.
  • Contractors Packages that allow for CBE certification, SAM contract documentation, leases, Certificate of Occupancy, as well as facilitating CAGE documentation and Duns and Bradstreet number acquisition.

Empower Your Business Growth with Our Expertise!

With over 40 years of perfecting custom solutions, we're equipped to handle any challenge. Share your vision with us, and let's begin crafting your success story today. Ready to start the conversation?


Unparalleled Value: Unmatched Pricing

Our most common plans

Prepaid Office Use Membership

$35per month

  • Three hours of office use per month.
  • $14 for each additional hour.
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Comprehensive Plan

$165per month

  • Sixteen hours prepaid office use.
  • K Street Farragut Square address.
  • Mail service.
  • DC phone number. With voicemail to email transcribed messaging.
  • Mail surfaces are scanned and emailed upon receipt, with the additional service of content scanning available upon request.
  • Lobby Listing
  • We provide a convenient curbside delivery service for your mail directly to your vehicle.
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Frequently Asked Questions