Everything Your Startup Needs to Thrive in D.C.
With over four decades of experience and thousands of success stories, we offer the perfect balance of prestige, flexibility, and affordability for startups and government contractors.
Instant Activation
No-deposit flexible plans with same-day setup. Get your professional D.C. presence running immediately without bureaucratic delays.
Prestigious K Street Address
Elevate your brand with a premier business address in D.C.'s power corridor — one block from the White House and Farragut Square.
CBE & SAM Support
Expert assistance with CBE certifications, SAM documentation, CAGE codes, DUNS numbers, and legally-recognized leases for government contracts.
Scalable Workspaces
Grow seamlessly from a virtual office to private suites. Our flexible plans adapt to your evolving needs without lease penalties.
Smart Mail Management
AI-powered mail scanning with instant digital delivery. Receive packages, legal documents, and correspondence at your K Street address.
Modern Infrastructure
High-speed internet, state-of-the-art conference rooms, and professional reception staff — enterprise-grade facilities at startup prices.
Built for Growth, Designed for Impact
Our K Street location gives your startup the credibility and resources it needs to win contracts, attract investors, and scale operations — all with month-to-month flexibility and zero upfront costs.
Cost-Effective Plans
Professional solutions starting at just $99/mo with no hidden fees
Certification Ready
CBE, SAM, CAGE code, and Certificate of Occupancy support
Dedicated Phone Line
D.C. number with voicemail-to-email transcription included
High-Speed Internet
Enterprise-grade connectivity for seamless operations
Professional Network
Connect with contractors, attorneys, and entrepreneurs on-site
Lobby Directory
Professional listing in the building lobby for client credibility
Registered Agent
Professional representation for legal documents and notices
Curbside Delivery
Convenient mail delivery directly to your vehicle
Visuals and Voices
Take a look inside our workspace and hear from the startups and contractors who call OSI home.
Office Space for Startups — Common Questions
Answers to the questions founders and entrepreneurs ask most about launching and growing a startup in Washington DC.
You can certainly start from home, but most startups quickly benefit from a professional address for LLC registration, investor communications, and client credibility. A virtual office at OSI gives you a 1629 K Street NW business address starting at just $35/month — no physical space commitment required — so you look established from day one while keeping overhead near zero.
OSI's virtual office plans start at $35/month and include a K Street business address, AI-powered mail scanning, and optional conference room access from $18/hr. Private offices are available at a fraction of traditional lease rates — all month-to-month with no security deposit. For early-stage startups watching every dollar, it is one of the most cost-effective ways to establish a professional DC presence.
Yes. OSI's 1629 K Street NW address can be used for DC business registration, and we provide a DC Certificate of Occupancy to satisfy licensing requirements. Many startups use our virtual office as their registered agent address, keeping their home address private while maintaining full legal compliance in the District of Columbia.
Every OSI plan is month-to-month with no long-term lease and no security deposit. Whether you need a virtual address, a hot desk, or a private office, you can scale up as your team grows or scale down if priorities shift. This flexibility is exactly what early-stage companies need when burn rate matters and headcount changes fast.
DC offers direct access to federal agencies, policy makers, and a deep pool of government contracts — advantages most tech hubs cannot match. The K Street corridor puts you steps from lobbyists, law firms, and venture networks. OSI's location at 1629 K Street NW places your startup at the center of this ecosystem, with Farragut North and Farragut West Metro stations just a short walk away.
Most investors, banks, and grant programs require a verifiable business address on your application. A home address can raise red flags during due diligence. OSI's virtual office gives you a recognized K Street address that signals stability and professionalism — which can make a real difference when you are competing for seed funding, SBA loans, or government contract set-asides.
Ready to Launch Your D.C. Startup?
With over 45 years powering thousands of startups and government contractors, we understand what it takes to succeed in Washington D.C. Share your goals and let's build your growth plan.
Scalable Plans for Startups & Contractors
Transparent, scalable workspace solutions designed to grow with your business. No hidden fees, no long-term commitments.
Starter Package
- Prestigious K Street Farragut Square address
- Professional mail handling service
- Dedicated DC phone number with voicemail-to-email
- Two hours of prepaid office space usage
- Mail scanning service with email delivery
Comprehensive Plan
- Sixteen hours of prepaid office space usage
- K Street address with full mail service
- DC phone number with voicemail-to-email
- Building lobby directory listing
- Registered agent service
- Convenient curbside mail delivery option
Related Startup & Contractor Resources
Explore guides and services designed for startups, entrepreneurs, and government contractors in Washington DC.
Virtual Office for Government Contractors
K Street address and compliance support for federal and DC government contractors.
CBE & SAM Certification Support
Compliant dedicated desk solutions for CBE and SAM certifications with lease documentation.
Registered Agent Service
DC registered agent from $5/mo with same-day alerts and a K Street address for your LLC or corporation.
Shared Office Space DC
Coworking and shared workspace options on K Street for growing teams and solo entrepreneurs.
Explore More from OSI Offices
Common Questions
Find answers about our services, plans, and how OSI works for your business.
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Browse ArticlesClient Reviews
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Transparent packages starting at $35/mo with no setup fees or long-term contracts.
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