Who we are

Built by Engineers Who Take Data Seriously

Mercury Programs was founded on a simple premise: most organizations are sitting on valuable data they can't fully use because their tools weren't built for them.

30+
Years of experience
50+
Projects delivered
0
Data loss incidents
100%
Client retention rate

The Origin

Mercury Programs grew out of years of consulting work where the same problem kept surfacing: businesses had outgrown their off-the-shelf software but weren't sure custom development was within reach. Spreadsheets were holding critical workflows together. Legacy systems were creating data silos. Decisions were being made on incomplete information.

We built Mercury Programs to close that gap — a firm focused exclusively on database application development, with the depth of expertise that generalist agencies can't offer and the accessibility that enterprise consultancies rarely provide.

Every engagement starts with the data. We learn how it flows through your organization, where it gets stuck, and what it would mean to have it working for you instead of against you. Then we build something that fits.

Our Mission

To build database applications that give organizations complete command of their data — precise, reliable, and built to last.

Precision over speed

We take the time to understand the problem before we write a line of code. Rushed architecture creates technical debt that compounds for years.

Transparency by default

No black boxes. You understand what we're building, why we're building it that way, and what tradeoffs we're making.

Ownership, not dependency

We build systems you can maintain and extend. Our goal is to make ourselves less necessary over time, not more.

Data integrity above all

We treat your data as the irreplaceable asset it is. Every migration, every schema change, every deployment is planned with zero tolerance for data loss.

The Team

LO
Liam O'Hare
Founder & Lead Engineer

30+ years building interactive data applications for manufacturing facilities. 40 years in the food and beverage industry. Specializes in schema architecture and complex migrations.

JC
John Ciresi
Senior Infrastructure / network tech

30+ years experience building and troubleshooting database backbone networks. Specializes in wireless network communication and SQL database systems.

ID
Ilene Daniel
Systems design consultant

NYC educator and DOE systems manager. Brings a rigorous, operations-first perspective to every schema design and a particular focus on query performance at scale.

Work with a team that knows data.

Tell us about your project and we'll tell you how we can help.