Why Choose OSI Offices
Since 1981, we've been pioneering innovative office solutions in Washington D.C., combining prestigious addresses with cutting-edge technology and unmatched flexibility.
Prime Location
Position your business at the center of influence with our prestigious K Street address. Located just two blocks from the White House and steps from Farragut Square Metro, our offices place you in the heart of Washington D.C.'s Central Business District, perfect for businesses seeking government contracts and strategic partnerships.
Unmatched Flexibility
Our services adapt to your business needs, not the other way around. With month-to-month agreements and customizable service packages, you can scale your office presence as your business grows. Don't see a combination that fits your needs? Contact us for a tailored solution designed specifically for your business requirements.
Four Decades of Excellence
As the oldest continuously operated business center under single ownership in the United States, OSI brings unparalleled experience to serve your business. Founded in 1981, we've refined our services through decades of working with professionals across all industries, from solo practitioners to established enterprises.
Outstanding Value
Our on-demand system offers the most economical office solutions in Washington D.C. Use office space for as little as $35 per month with our Prepaid Office Space Membership Program, which includes three hours of office use and additional hours at just $14/hour. We invite you to compare our transparent pricing with any other facility in the capital.
Advanced Technology
Transform how you work with our sophisticated digital infrastructure. Our proprietary systems convert physical mail into instantly accessible digital files, transcribe voicemails into emails, and provide a powerful client portal that lets you manage your entire office remotely. Enjoy lightning-fast 500 Mbps symmetric fiber internet while in the office, supporting all your business needs.
Ease of Use
Getting started with OSI is refreshingly simple. Unlike other providers, we don't burden you with installation fees, security deposits, or complex contracts. Our streamlined onboarding process and intuitive client portal make it easy to begin using your virtual office immediately, without the typical administrative hurdles.
Extended Hours
Work on your schedule with our extended office hours. OSI is accessible Monday through Friday from 7 AM to 9 PM and Saturdays from 8 AM to 6 PM. For clients in good standing, we even offer Sunday access, ensuring your business operations can continue uninterrupted, regardless of your working style or client demands.
Networking Opportunities
Join a thriving community of over 1,500 businesses and professionals. OSI provides unique opportunities to connect with potential clients, partners, and collaborators. Publish your credentials to our network and discover synergistic relationships that can help propel your business forward in Washington's dynamic professional landscape.
Tailored Solutions for Every Professional
For Attorneys
Originally founded for legal professionals, OSI offers specialized services including legal mail handling, credential publishing, and bar member discounts. Our technical infrastructure ensures you have secure access to vital communications whether in court or at the office.
Learn MoreFor Mental Health Professionals
Join over 120 mental health practitioners who trust OSI for their practice needs. Start with a professional address for just $35/month and access private, client-ready spaces when needed. Our quiet, professional environment is perfect for consultations.
Learn MoreFor Startups & Entrepreneurs
Launch your business with minimal overhead while maintaining a prestigious K Street address. Scale your office presence as you grow, from virtual mail to on-demand meeting spaces to full-time offices. Enjoy networking opportunities with other entrepreneurs.
Learn MoreOur Legacy of Innovation
Founded in 1981 by C. Jack Pearce, a distinguished anti-trust attorney with experience in the U.S. Department of Justice and the White House Office of Consumer Affairs, OSI Offices began as a solution for out-of-town attorneys needing Washington D.C. representation. Over four decades, we've expanded to support businesses of all sizes across diverse industries while maintaining our commitment to personalized service and technological advancement.
As one of the pioneers of the "virtual office" concept, OSI has continuously evolved to meet changing business needs. Today, we offer solutions ranging from mail services and prestigious K Street addresses to on-demand meeting spaces and full-time, exclusive-use offices. Our partnership with Source Office Suites extends our reach throughout the Washington metropolitan area, providing comprehensive workspace solutions for businesses at every stage of growth.
What sets OSI apart is our blend of tradition and innovation. While we honor our legacy as Washington D.C.'s oldest continuously operated business center under single ownership, we remain at the forefront of office technology. Our proprietary systems for mail digitization, voicemail transcription, and account management reflect our commitment to helping businesses operate efficiently in an increasingly digital world.
From our strategic location near Farragut Square to our extended hours and flexible agreements, every aspect of OSI is designed with your business success in mind. We invite you to join our community of professionals and discover why thousands of businesses have chosen OSI as their trusted office solution since 1981.
Ready to Elevate Your Business Presence?
Experience the OSI advantage with a prestigious K Street address, cutting-edge technology, and unmatched flexibility—all at Washington D.C.'s most competitive rates.
Contact Us Today