Legacy System Modernization in NYC & Northern NJ
If your business runs on software that was written in the 1990s or 2000s and has outlived three IT consultants, we can move you forward without a rip-and-replace gamble. We modernize the systems that still work, on a schedule that keeps your business running, with a phased cutover instead of a one-night migration that everyone dreads.
What we actually build.
VB6, Classic ASP, Access, FoxPro, AS/400
The platforms that were modern when your senior employees joined the company. We translate the workflows out of them carefully — not just the code, but the small rules and exceptions that nobody wrote down.
Old PHP, Rails 2/3, .NET Framework
Mid-2000s web applications still serving customers. Modernized to current frameworks with deployment, testing, and security brought up to today's standards.
Spreadsheet-Driven Operations
The workbook with 47 tabs and a dozen macros that runs a critical part of your business. Replaced with a real application while preserving the calculations the team trusts.
On-Prem to Cloud Migrations
Internal applications running on a server in the closet, moved to U.S.-region cloud infrastructure with proper backups, monitoring, and access controls.
The process.
- 01
Inventory
We sit with the people who use the system, document what it actually does — including the parts the original spec didn't cover — and identify the genuine business logic versus accidental complexity.
- 02
Cutover Plan
A written plan that gets you from old to new in phases: which modules go first, what runs in parallel, where the data sync lives, what the rollback path is.
- 03
Phased Migration
We rebuild in the modern stack one module at a time. Old and new systems run side by side until each module is verified. Nobody loses a day's work to a migration weekend.
- 04
Decommission
When the new system is fully trusted, the old one is shut down and archived. The institutional knowledge is now in working software, not in one person's head.
NYC & Northern NJ in person.
Modernization is one of the engagements where being local matters most. The information we need is mostly in the heads of long-tenured employees, and most of it surfaces during in-person walkthroughs of how their day actually goes. For NYC clients we run those walkthroughs onsite same-week, often spending several days at the office at the start of an engagement. We're in Northern New Jersey roughly twice a week and schedule extended modernization discovery around those days for Bergen, Hudson, Essex, and adjacent counties. Remote-only modernization is possible but takes longer, because the in-person 'wait, why do you do that?' conversation is where the real risks get found.
The stack.
- TypeScript
- Postgres
- Python
- C# / .NET
- Docker
- Terraform
- AWS / Azure
Target stack depends on what fits your team. We move VB6 and Access to TypeScript + Postgres web apps where end-user access matters; .NET Framework to .NET 8; AS/400 systems to a documented service layer plus a modern UI. We don't push a specific stack — we push something your future maintainer can hire for.
Who we work with.
Established firms with aging custom software
Professional services, distributors, light manufacturers running 15+ year-old internal applications. The original developer has retired, moved on, or charges 4× their old rate.
Operators on unsupported platforms
Businesses where 'we know it works because it's worked for years' is meeting 'the operating system is end-of-life and we can't get a new server license.'
Owners planning a sale or transition
Modernizing the technology stack is often part of getting a business sale-ready. We can scope the work with that timeline in mind.
Common questions.
- We're scared of losing functionality during a migration. How do you avoid that?
- Phased cutover with parallel running. We never replace a module that hasn't been verified by the people who use it daily. The old system stays up until you decide otherwise.
- How do you handle the institutional knowledge that lives in people's heads?
- We write it down. Every workflow walkthrough produces a written document the team reviews. By the end of an engagement you have not only modernized software but a real operations manual — often the first one the business has had.
- Can you work with our existing IT team?
- Yes. Often we lead the engineering and integrate with your in-house team for operations, support, or domain expertise. We're explicit about scope so nobody is stepping on each other.
- What's a realistic timeline?
- A genuinely large modernization runs 6-18 months. Smaller ones (e.g., a single Access application replaced by a web app) can finish in 8-12 weeks. We'll give you a phased plan with clear milestones.
- Do you work onsite in NYC / NJ for these projects?
- Yes — and we strongly prefer to. The early walkthroughs are 3× more productive in person. We're NYC-headquartered and routinely in Northern New Jersey; we'll be at your office for the discovery period and for cutover. The build phase is typically remote.
The other eight.
Start a conversation.
Direct reply from the founder. NYC & Northern NJ in person; U.S. clients remotely.
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