Software Development Company in McLean, VA
Updated
Our head office is on the 5th floor at 1775 Tysons Blvd, in the Tysons business district of McLean. Custom software, AI and agentic systems, cloud platforms and data engineering, delivered from an office you can drive to. Call 703-945-5300.
Our office
Where to find us in McLean
Sthenos Technologies
1775 Tysons Blvd, 5th Floor, Suite 04187
McLean, VA 22102
Phone: 703-945-5300
This is our headquarters address, not a mailbox.
McLean or Tysons
One office, two names, and which one to write on an envelope
Both names are correct, and they are not interchangeable. The United States Postal Service lists McLean as the city name for the 22102 ZIP code, with Tysons accepted as an alternate. Tysons is the business district that surrounds the address.
So we write McLean in a postal address and Tysons when we are describing where the office sits. If you are sending a courier, use 1775 Tysons Blvd, 5th Floor, Suite 04187, McLean, VA 22102. If you are asking a colleague where we are, the answer is Tysons.
From this office
What we build for McLean and Tysons organizations
The McLean office runs the full delivery practice. An organization here can start with one of these and move to another without changing supplier:
- Custom software development: a system built for one operational problem, taken from a first release to the version people rely on.
- AI and agentic systems: models and agents wired into the software where the work already happens.
- Cloud migration and cloud platforms: moving workloads off constrained hardware and running them properly afterwards.
- Legacy system modernization: rebuilding the system nobody wants to touch, in stages, while the organization is still using it.
- Data engineering: pipelines and reporting that put the same numbers in front of everyone who has to decide from them.
- Government IT services: delivery shaped for public sector buying.
- Staff augmentation: engineers who join a team that is already moving and work to its standards.
Where a project needs more people than the local team, delivery is scaled through our formal partnership with NeoSOFT, so headcount is not a hiring cycle away.
Who we work with here
The organizations around us in Tysons
Headquarters teams
Credentials
A certified small business, registered and ready to be solicited
Sthenos Technologies is the trading name of STHENOS LLC. We are certified by the SBA as an Economically Disadvantaged Woman Owned Small Business and as a Woman Owned Small Business. Our SAM.gov registration is active, with a current expiry of 24 June 2027. Our Unique Entity ID is ULUZGKWYCJB7, our CAGE code is 9RX92, and our primary NAICS code is 541511, Custom Computer Programming Services. That means we can be solicited and paid without an onboarding delay.
The full contracting record, and what it means for a Virginia buyer, is set out on our Virginia page.
The McLean office is our headquarters, on the 5th floor at 1775 Tysons Blvd. Below: how to read and write the address, how a first meeting here is arranged and what follows it, and the questions to settle before you come.
The city name the United States Postal Service lists for the 22102 ZIP code.
Accepted as an alternate city name, and how we describe where the office sits.
Our headquarters address, not a mailbox.
We respond within one business day and schedule a call at your convenience.
On this page
- Reading the address, line by line
- Arranging a first meeting in McLean
- Questions to settle before you come
- Related pages before a visit
- Arrange a meeting
Reading the address, line by line
Both names are correct and they are not interchangeable, so the address carries both. Figure 1 takes the courier address apart and says what each line is for.
Figure 1. One address, read line by line
Every callout restates the McLean or Tysons section of this page. The figure is not a map, and it gives no distance and no travel time.
Arranging a first meeting in McLean
Call 703-945-5300 or send us a note and we will arrange a time at the office. What follows is the sequence the contact section at the foot of this page lists under What happens next.
- Call or send a noteCall 703-945-5300, or send us a note through the contact form.You
- A reply and a timeWe respond within one business day and schedule a call at your convenience, or a time at 1775 Tysons Blvd.One business day
- A short, bounded discoveryWe run a short, bounded discovery, scoped per engagement.Scoped per engagement
- A costed roadmapBefore committing to a build. Where the scope is clear we quote a fixed price for a defined outcome.Before any build
Questions to settle before you come
What should we bring to a first meeting?
The requirement. Tell us what the software has to do and we will tell you what it takes, and if it is not work we should be doing, we will say so.
How quickly will we hear back?
We respond within one business day and schedule the call at your convenience. If you would rather talk first, the contact section lets you book a 30-minute call directly.
Will the people we meet be the people who build it?
The people who pitch are the people who deliver. At our size there is no bench to swap in after award, so ask us for the named technical lead on the contract, and for a notice clause if that person changes.
Can we check your delivery record before we visit?
Yes. Our commercial delivery record is public: 43 reviews on our Clutch profile at a 5.0 rating, dated between 17 October and 17 December 2025.
Related pages before a visit
- Before you hire us, the questions buyers ask before an award
- Production readiness checklist, published in full
- Custom software development, with the code ownership terms stated in full
- Virginia, the Commonwealth practice and our contracting record
- Tysons, the commercial side
- North Bethesda, the Maryland office
- AI and agentic systems, wired into the software where the work already happens
- Cloud migration, off constrained hardware and run properly afterwards
- Staff augmentation, engineers who join a team that is already moving
Arrange a meeting in McLean. Call 703-945-5300 or send us a note, and we will arrange a time at the office.
Questions
Questions about the McLean office
What is the exact address of the Sthenos office in McLean?
1775 Tysons Blvd, 5th Floor, Suite 04187, McLean, VA 22102. The office phone number is 703-945-5300.
Is your office in McLean or in Tysons?
Both descriptions are accurate. The United States Postal Service lists McLean as the city name for the 22102 ZIP code and accepts Tysons as an alternate. Tysons is the business district the building sits in. Use McLean on an envelope.
Can we meet your team in person?
Yes. Call 703-945-5300 or send us a note and we will arrange a time at 1775 Tysons Blvd, 5th Floor, Suite 04187, McLean, VA 22102.
Which services are run from the McLean office?
All of them. Custom software development, AI and agentic systems, cloud migration and cloud platforms, legacy system modernization, data engineering, government IT services and staff augmentation.
Do you work with organizations outside McLean?
Yes. McLean is where the office is, and the practice covers Northern Virginia and the wider Commonwealth. We also keep an office in North Bethesda for the Maryland side of the region, at 11810 Grand Park Avenue, Suite 500, North Bethesda, MD 20852, on 301-793-3980.
Who owns the software you build for us?
That is settled in the contract before work starts, and we expect the client to own what they paid for. Raise it in the first conversation and we will put it in writing.
Keep reading
Where to go next
Come and see us in McLean
1775 Tysons Blvd, 5th Floor, Suite 04187, McLean, VA 22102. Call 703-945-5300, or send us the requirement and we will tell you whether it is work we should be doing.