Commercial General Contractor in Newark, NJ
Office and retail build-outs, restaurant and warehouse construction, tenant improvements, and commercial renovations - delivered by one licensed Newark commercial general contractor who works around your operations and finishes on schedule.
"Jefferson and his crew did a fantastic job on my warehouse in Newark NJ. They are very reasonable and very clean. Highly recommend him and his guys for any type of repair work."
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A commercial general contractor built around your business
Ultimate Contractors Corporation is a Licensed, Insured & Bonded commercial general contractor in Newark, NJ, serving business owners, property managers, and tenants across Essex, Union, Hudson, Bergen, Passaic, Middlesex, Morris, Somerset, Monmouth, Hunterdon, Mercer, and Sussex County. With more than 25 years of experience and a 5.0-star rating across 40+ Google reviews, our commercial construction company gives you our licensed team accountable from the first walkthrough to the final inspection.
- Your business keeps running
We phase the work, seal off active areas, and plan around your hours so you stay open with minimal downtime.
- On time, as promised
A realistic schedule in writing before we start, updates at every stage, and we hold to it so you can plan your opening.
- No hidden costs
The full price up front with no surprise fees, plus financing so you can start sooner.
Our commercial construction services
From a single office refresh to a ground-up build, here is the full range of commercial work our licensed Newark crew delivers. Pick a service to see how we handle it.
Office Build-Outs
Fit out and refresh workspaces around your team's hours.Learn more Photo coming soonRetail Build-Outs
Storefronts and interiors built ready to open and sell.Learn more Photo coming soonRestaurant Build-Outs
Dining rooms and commercial kitchens built to pass inspection.Learn more Photo coming soonTenant Improvements
Move-in-ready spaces tailored to a new tenant or lease.Learn more Photo coming soonWarehouse & Industrial
Functional warehouse and industrial space built to spec.Learn more Photo coming soonCommercial Construction
Ground-up and structural commercial construction projects.Learn more Photo coming soonCommercial Renovations
Update aging commercial space without closing your doors.Learn more Photo coming soonRestroom & ADA Renovations
Code-ready, ADA-compliant commercial restrooms that last.Learn more Photo coming soonCommercial Demolition
Safe interior strip-outs and demolition to clear the way.Learn more Photo coming soonApartment Renovations
Unit turnovers and apartment-building upgrades for landlords.Learn more Photo coming soonCommercial Office Renovations
Refresh occupied office space with minimal downtime.Learn more Photo coming soonMultifamily Construction
Ground-up apartment and multifamily buildings, start to finish.Learn more Photo coming soonMultifamily Renovations
Whole-building capital improvements for multifamily properties.Learn moreWhy businesses choose our commercial contractors
Licensed, Insured & Bonded
A licensed New Jersey general contractor you can trust on site.
Transparent Pricing
Clear quotes up front, with no surprise charges later.
Clear Communication
You always know what is happening and what comes next.
On-Time Completion
We plan carefully and finish when we say we will.
How your commercial project works
Walkthrough & quote
We review your space and goals, then give you clear, transparent pricing in writing.
Plan, permit & schedule
We lock the scope, pull permits, and set a timeline staged around your operations.
Build with minimal downtime
Our licensed crew works in phases, controls dust and noise, and keeps you updated.
Inspect & hand over
We pass final inspection on schedule and walk the finished space with you.
What our clients say
A 5.0-star rating from 40+ verified Google reviews across our commercial work for Newark and New Jersey businesses.
"Had a really great experience with Ultimate Contractors Corporation on a new construction project. Everything went super smooth from start to finish, and the quality of the work came out even better than I expected. Jeff and the team are awesome to work with. They know what they're doing, stay on top of everything, and actually care about doing a good job. Communication was easy, they showed up when they said they would, and handled everything the right way. It's hard to find a solid, trustworthy crew, but these guys are the real deal. Definitely recommend them if you want the job done right."
"Excellent service from start to finish. The team was professional, punctual, and paid close attention to every detail. They answered all my questions, kept me updated throughout the project, and delivered high-quality work. It's hard to find contractors you can truly trust, and this company exceeded my expectations. I highly recommend them for anyone looking for reliable and professional contracting services."
"Jefferson and his crew did a fantastic job on my warehouse in Newark NJ. They are very reasonable and very clean. Highly recommend him and his guys for any type of repair work."
"UCC have done various projects for my church in 2025. UCC is a reliable and dependable company. Detailed work and walks you through each step. Provides great suggestions when needed. I would definitely recommend UCC as a general contractor to handle all of your household/commercial needs."
"Great company! They provided a professional service, explained what the job entailed, did the job efficiently, and provided a good price. Thanks!!!"
"I cannot recommend them enought. I am a busy person with a family and I had a severe unexpected plumbing issue with my bathroom. I am not a handyman by any means. I started calling companies and they either stopped replying or wanted my to charge me crazy amounts. I was frustrated. I friend recommended me to this place and I am very thankful. They helped me right away and explained me all I needed to know about the price I was been charge. Specifically that guy tommy. He is a man of a few words. However, was really nice and professional. REALLY RECOMMEND THIS PLACE"
"After having a sudden water leak and having the whole house fall apart, I found the UCC team and Jeff was very professional from the very beginning. He was very attentive to everything that needs to be done and most importantly he understood my urgency and started working right away. Words can't even explain how grateful I am for the amazing work Yico and Patricio did. I am so happy with the UCC team and their work."
"Outstanding Efficiency! From start to finish, this construction company demonstrated remarkable efficiency in completing my project on time and within budget. Their streamlined processes and skilled team ensured smooth progress and timely delivery without compromising on quality. Truly impressed with their professionalism and commitment to excellence!"
Commercial work across New Jersey
Based at 185 Johnson Ave in Newark, our commercial construction company serves businesses throughout northern and central New Jersey. We take on commercial projects in Newark, Elizabeth, Jersey City, Clifton, Edison, and the towns around them, covering all twelve counties we serve. If your building is within about 45 to 60 minutes of Newark, we would love to look at your project.
Essex County
Newark, East Orange, Belleville, and nearby towns.
Union County
Elizabeth, Union, Linden, and the surrounding area.
Hudson County
Jersey City, Bayonne, Kearny, and more.
Bergen County
Hackensack, Paramus, Fair Lawn, and nearby towns.
Passaic County
Clifton and the surrounding Passaic County area.
Middlesex County
Edison, Woodbridge, Piscataway, and more.
Morris County
Parsippany, Morristown, Florham Park office and corporate parks.
Somerset County
Bridgewater, Bedminster, Somerville business districts.
See our flagship market at commercial construction in Newark or browse all service areas.
Commercial contractor questions, answered
Are you licensed and bonded for commercial work in New Jersey?
Can you do commercial work while my business stays open?
How long does a commercial build-out or renovation take?
Do you handle commercial permits and inspections?
What types of commercial projects do you take on?
Do you offer financing for commercial projects?
What areas do you serve for commercial work?
How do I get a quote for my commercial project?
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Ready to plan your commercial project?
Get a free, no-pressure quote from a licensed Newark commercial general contractor who works around your business. Licensed, insured, and bonded, rated 5.0 stars, with financing available.