IT Consulting · New York City

IT Consulting in New York City: Assessments, Migrations and Roadmaps

For New York businesses facing a decision bigger than a ticket: a server at end of life, an office move, a merger, an audit or an AI rollout. NetSys engineers assess what you have, write a roadmap with real costs, run the project with milestones and acceptance checks, and stay on as a virtual CIO if you want one.

All IT services in New York City

The short answer

NetSys provides IT consulting in New York City: written technology assessments, roadmaps with budgets, Microsoft 365 and Azure migrations, office relocation and network design, security and compliance programs, AI and Copilot readiness, and virtual CIO reviews. Projects are quoted after scoping, with milestones, change windows, acceptance checks and a handover. Our engineers work from Park Slope and visit offices in every borough for discovery, workshops and cutovers. A consulting project can stand alone or lead into a month-to-month managed agreement.

Service information by The NetSys Group. Our editorial standards.

How IT consulting is delivered in New York City

Discovery happens in person. An engineer walks your floor, opens the network closet, reads the circuit labels and interviews the people who use each system, because a New York office's real constraints (the riser, the landlord's rules, the one PC that runs old software) rarely show up on a questionnaire. Analysis and design run remotely, with drafts reviewed over Teams. Engineers return on site for workshops, cutover weekends and acceptance testing; the Financial District is about 25 minutes from Park Slope and Midtown 35 to 45. Every project closes with documentation in IT Glue and a handover meeting, whether your team, NetSys or another provider runs the result. Assessment, design and integration work is coordinated from Brooklyn, with meetings and change windows stated in Eastern time. The project has agreed milestones, acceptance checks and a handover. Ongoing monitoring and help desk require a separately defined managed scope.

Deadlines driving New York projects now

Several dates are forcing decisions in 2026 and 2027. Windows Server 2016 leaves extended support on January 12, 2027, so file servers, domain controllers and application servers still on it need a migration plan now rather than in December. Windows 10 lost support on October 14, 2025, and any remaining PCs are running unpatched. DFS-licensed firms have had to show multifactor authentication for every user and a documented asset inventory since November 1, 2025 under Part 500. Advisers and broker-dealers have both Regulation S-P compliance dates behind them, December 3, 2025 for larger firms and June 3, 2026 for smaller ones. Each of these is a project with a scope, a cost and a cutover, and an assessment puts them in order so you are not paying rush rates for all of them at once.

Office moves, build-outs and lease decisions

A lease renewal or relocation is the best moment to fix IT and the worst one to discover it late. We join the project at the letter-of-intent stage: checking which carriers already serve the new building's riser and how long a new circuit could take, reviewing the landlord's work letter for telecom room space, power and cabling, specifying low-voltage cabling and Wi-Fi from a site survey, and planning the firewall, switches and conference rooms. On move weekend engineers disconnect, transport and reconnect, then test every desk before Monday. Many firms use the move to retire the server closet entirely and put files in SharePoint, which also means one less room to cool on the new floor plan.

Cloud migrations, mergers and AI projects

Most consulting work in the city now involves Microsoft 365 or Azure. We move file servers into SharePoint and OneDrive with permissions rebuilt by matter, client or department, migrate line-of-business databases to Azure where the vendor supports it, and consolidate two tenants after an acquisition so staff keep their mail, files and Teams history. AI projects follow the same discipline: a Copilot or custom-application rollout starts with permissions cleanup, because an assistant shows users everything their account can already reach. New York City adds its own rule for one kind of AI. Local Law 144 requires a bias audit within a year before using an automated employment decision tool, a published summary of the results and notice to candidates, and the Department of Consumer and Worker Protection has enforced it since July 5, 2023. This is general information, not legal advice.

Who the consulting practice fits

Owners and operations leaders at firms of roughly 10 to 250 people who need a decision made and then carried out: a law firm leaving a closet server, an accounting practice planning around filing season, a medical group adding a location, an importer modernizing its ERP environment, a nonprofit with a new grant-funded system, or a fund preparing for investor due diligence. Companies with an internal IT manager use us for a second opinion, a project their team has no time for, or a vCIO review for the board. We will tell you when not to buy something, and the engineer who writes the assessment runs the project that follows it.

What is included

IT Consulting in New York City: what NetSys delivers

Know what you have

Discovery across every server, cloud tenant, device, circuit and contract, written up in IT Glue so it stays current
Risk register with the ten findings that matter most, each with a fix, an owner and a cost

Decide and build

Cloud strategy with real numbers: keep, refresh or migrate, for each workload, with Azure and Microsoft 365 sized from your data
Microsoft 365 architecture: Entra ID, Conditional Access, Intune, SharePoint information design and Exchange Online, in that order

Keep it honest

Virtual CIO reviews each quarter, with a written roadmap, a budget and a list of what changed
Vendor management for the decisions that involve a CRM, ERP, EHR or practice-management vendor

Published case study

On-prem servers to Azure and OneDrive to SharePoint

Two migrations in one engagement. The client's servers lived in the office, so the business lived with the office's power, cooling and hardware age, and years of files sat in individual OneDrive accounts shared ad hoc. NetSys assessed and sized each workload and moved it into Azure with identity anchored in Entra ID, designed a SharePoint structure of sites by function and permissions by role before moving a single file, migrated the OneDrive estate into it, set backups for both platforms and took on day-to-day management. The write-up is limited to the scope delivered, with no outcome figures claimed.

Read the full case study

From our client work

IT consulting work for other clients

Real estate
Commercial property management company
SharePoint migration of 800 GB of leases, vendor records, and property documents, with separate access permissions for 12 property teams.
SharePoint & OneDrive Migration IT for Real Estate and Property Management

Client names are withheld. These examples were chosen for the work involved, not for where the client is, so none is presented as a New York City client.

What IT consulting costs in New York City

Consulting is priced by the project or by the review rather than by the hour: an assessment has a fixed price based on the size of the environment, a migration is quoted from the workload inventory, and virtual CIO advisory is a monthly figure that scales with how many reviews and decisions a year you need. What moves the number is the number of systems and sites, the compliance standard in play and whether we are also managing the environment afterwards. Every quote is written from discovery, and the terms run month to month.

How the monthly fee is built

Who this fits, and who it does not

Best fit: 10 to 150 employees, a decision on the table that involves cloud, an office move, an acquisition, a compliance program or a system nobody trusts, and leadership that wants options with numbers rather than a sales deck.

IT Consulting in New York City: FAQs

Do you provide on-site IT consulting in New York City?

Yes. Our only office is in Park Slope, Brooklyn, and engineers come to offices across the five boroughs for discovery walk-throughs, stakeholder workshops, cutover weekends and acceptance testing. Analysis and design run remotely between visits, so you are not paying for travel on work that does not need it. Change windows are agreed in writing and stated in Eastern time, and every project ends with documentation and a handover. Ongoing support afterward is a separate, month-to-month managed agreement if you want it.

What does IT consulting in New York City cost?

Consulting is priced per project or per review, not by the hour. An assessment is quoted from the size of the environment; a migration from the inventory of workloads, users and data; a virtual CIO engagement as a monthly figure. The number of sites, the compliance standard in play and how much work happens after hours move each quote. Every price is written after scoping and covers named deliverables, milestones and acceptance criteria, so you know what is included before work starts.

What should you ask an IT consulting firm in NYC before hiring one?

Ask who will actually do the work and whether they will still be there for the project after the assessment. Ask for a sample deliverable: a real roadmap with costs, not a slide of vendor logos. Ask how they handle a failed cutover; the rollback plan should exist before the change window opens. Ask whether they will ever tell you not to buy something. And ask what happens to documentation and admin credentials at the end, which should be yours, in writing.

How is IT consulting different from managed IT services?

Managed IT runs the environment every day: help desk, monitoring, security, backups. Consulting answers a specific question or delivers a defined project, such as whether to move to Azure, how to pass an audit, what a new office needs or what an acquisition's IT will cost. Consulting has a start, milestones and an end; managed IT is ongoing. Many New York firms use both, with assessment findings feeding the managed roadmap and a quarterly virtual CIO review keeping it current.

What happens after the roadmap is delivered?

You choose. Your internal team can run it with the roadmap as the plan, we can deliver individual projects at quoted prices, or we can take over day-to-day operations under a managed agreement. Whichever you pick, the roadmap lists each item with a cost range, a priority tied to risk and a suggested quarter, so the budget conversation with partners or the board is about choices rather than surprises. A quarterly review keeps it current as deadlines and business plans change.

Engineers, not a sales deck

Bring the decision you are stuck on.

A cloud move, a merger, a compliance deadline, a system nobody trusts. Tell us what you run and what has to change, and an engineer comes back with an assessment, options with real numbers and the order to do them in.

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