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Legacy systems out. Working services in.

ByDesign is a joint venture between BLEN and Ad Hoc. We help federal agencies replace old systems and build services that work for the people who use them.

A joint venture ofBLENandAd Hoc
  • GSA MAS
  • 8(a)
  • SDVOSB
  • HUBZone

What we do

BLEN and Ad Hoc each do part of this on their own. Together we do all of it, on one contract, with one team.

Systems Modernization

We move old systems to the cloud one piece at a time. The service keeps running while we work.

Digital Experiences & Design

We design and build websites and apps that are accessible and easy to use. We test them with real people before they ship.

Data & Interoperability

We build APIs and data platforms so agencies can share information between systems without rebuilding them.

AI & Intelligent Automation

We use AI and automation to process documents and clear backlogs. People stay in the loop, and every decision can be checked.

Start with a working demo

We deliver working solutions in months. Each team takes on a defined mission challenge, so agencies can judge real results before deciding what to build next.

  • AI gateway governance

    One controlled way for an agency to use AI models, with access rules, logging, and human review built in.
  • Permitting and adjudication

    Faster decisions on applications and claims. AI prepares the case file, and people make the call.
  • Mainframe modernization

    Move mainframe workloads to modern platforms one piece at a time, without stopping the service.

Each offering includes a working demonstration your agency can evaluate and build on.

Two companies. One team.

ByDesign is a joint venture between BLEN and Ad Hoc. Agencies get a small business they can contract with directly, and the capacity of a company that has built services used by millions of people.

The venture is set up under the SBA Mentor-Protégé Program. BLEN is the protégé and Ad Hoc is the mentor. Agencies can award 8(a), SDVOSB, and HUBZone set-aside work to ByDesign, and both companies do the work.

BLEN

BLEN is an 8(a), SDVOSB, and HUBZone certified small business founded in 2004. It builds and modernizes software for agencies including USPTO, GSA, HHS, and the White House. At the Department of Veterans Affairs, BLEN built an AI-enabled clinical summarization capability and an AI Model Context Protocol (MCP) server, both now part of VA’s clinical-AI infrastructure.

Ad Hoc

Ad Hoc has spent more than a decade improving how government delivers public services, including HealthCare.gov, VA.gov, VA’s flagship mobile app, Medicare Plan Finder, and Search.gov. Its Medicare enrollment systems have processed more than 10 million enrollments since 2019. Its AI-enabled delivery model, Activate, pairs experienced teams with AI-assisted workflows, reusable foundations, and human oversight to get from idea to working service faster.

How to work with us

ByDesign is a small business. Order from us on our GSA MAS contract, award work to us directly under the set-asides below, or reach us through either partner.

GSA Multiple Award Schedule (MAS)

Agencies can order directly from ByDesign Technology LLC on GSA MAS.
Contract number
47QTCA27D000Y
SINs
  • 54151S Information Technology Professional Services
  • OLM Order-Level Materials
Current option period
Through October 26, 2031
SAM UEI
GZNHYKW7MPQ5

Contract contact

ByDesign Technology LLC1676 International Dr, Ste 530McLean, VA 22102202-844-2969contracts@bydesigntech.ai
View our listing on GSA eLibrary (opens in a new tab)

Set-asides

Available through the SBA Mentor-Protégé Program.
  • 8(a)
  • SDVOSB
  • HUBZone

Identifiers

What you need for award and reporting.
UEI
GZNHYKW7MPQ5
Type
SBA Mentor-Protégé joint venture
Protégé
BLEN, Inc. (8(a) · SDVOSB · HUBZone)
Mentor
Ad Hoc LLC

NAICS codes

Primary code 541511, Custom Computer Programming Services.
  • 541511
  • 541512
  • 541519
  • 541611
  • 541618
  • 541690
  • 541715
  • 611430

Careers

ByDesign teams are staffed by people from both companies. To join us, apply through either partner.

Have a system that needs to change?

Tell us about it. We’ll come back with a plan, not a pitch. contracts@bydesigntech.ai · 202-844-2969

Email us