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Create functional, well-designed spaces

Tenant Improvements & Fit-Ups

603 Contracting provides high-quality tenant improvements and commercial fit-ups, helping businesses across Southern New Hampshire create functional, well-designed spaces. Whether you're preparing a retail space for a new tenant, upgrading an office, or ensuring a franchise location meets corporate standards, we manage the process efficiently from start to finish. Our team works closely with business owners, landlords, and corporate representatives to deliver renovations that align with your goals, timeline, and budget.

Industries We Serve

Our experience includes working with a range of commercial spaces, including:

Franchise Locations & National Chains

Retail Stores & Boutiques

Corporate & Professional Offices

Medical & Wellness Facilities

Restaurants & Cafés

Gyms & Fitness Centers

Industrial & Warehouse Spaces

Transforming Commercial Spaces

We work with a variety of businesses, including retail stores, restaurants, office spaces, and franchise locations. Our team ensures your space is functional, compliant, and built to your specifications. Whether it's a full build-out or targeted upgrades, we focus on quality craftsmanship and timely completion.

Our Tenant Improvement Services

Full Interior Build-Outs

From an empty shell to a fully operational space, we handle everything including framing, drywall, flooring, ceilings, and finishes.

Corporate Franchise Compliance

We ensure your location meets brand requirements, working directly with corporate teams to execute approved designs.

Office & Retail Renovations

Update outdated spaces with modern layouts, upgraded fixtures, and improved workflow efficiency.

Commercial Kitchens & Restaurants

We build and renovate kitchen spaces, dining areas, and bar installations, meeting health and safety regulations.

ADA Compliance Upgrades

Ensure accessibility with properly designed entrances, restrooms, and workspaces.

Custom Millwork & Built-Ins

We fabricate and install custom cabinetry, bars, countertops, and other unique commercial element
Not sure what type of addition is right for your home? Contact us to discuss your ideas.

Frequently Asked Questions

How long does a tenant improvement project take?
Timelines vary depending on the scope of work, but most projects range from a few weeks for minor upgrades to several months for full build-outs. We provide a clear project timeline upfront.
Do you handle permits and inspections?
Yes, we manage the entire permitting process and ensure all work is up to code. Our team coordinates inspections to keep the project on schedule.
Can you work with my franchise’s corporate team?
Absolutely. We have extensive experience working with national franchises and corporate specifications. We coordinate with your brand representatives to ensure full compliance with approved designs.
What types of custom work can you provide?
We offer custom millwork, built-ins, cabinetry, counters, and other unique elements that align with your business needs.
How do I get started?
Contact us to schedule a consultation. We’ll discuss your needs, evaluate your space, and provide a detailed project plan.

Recent Projects

We've completed tenant improvements for well-known brands, including:
Dunkin logo
Panera logo
Ashley furniture logo
Sprint logo

Get Started Today

If you're ready to improve your commercial space, 603 Contracting is here to help. Let’s discuss your project and create a space that works for your business.
REQUEST A CONSULTATION