Strategy · Technology · Fulfillment
4PL Warehouse Services and Integrated Logistics
4PL orchestration of multi-location warehousing, B2B and DTC fulfillment, returns and a control tower that unifies ERP, TMS, WMS and BI.
4.5 on Google · 190+ reviews · WCAworld North America Best Partner 2022
30+ years in international logistics
Control tower: ERP · TMS · WMS · BI
Fully managed, hybrid or modular
Air · ocean · road · warehousing
4PL warehousing
4PL warehouse services that orchestrate your whole supply chain
Take full control of your logistics operation with a centralized, strategy-first approach. At Interworld Freight, our 4PL warehousing solutions combine technology, coordination of carriers and warehouse providers, and inventory control to turn your logistics operations into a competitive advantage.
4PL (fourth party logistics) warehouse services go beyond the operational role of a traditional 3PL. A 4PL provider like Interworld Freight acts as a strategic partner that orchestrates the entire supply chain, combining logistics strategy, technology integration, fulfillment operations and data-driven decision-making, all under one roof.
Rather than only handling storage or distribution, we design, manage and optimize the end-to-end logistics ecosystem and align warehouse operations with your broader business goals, whether you run a high-growth ecommerce brand or a complex global supply chain.
Services, systems and models behind our 4PL warehousing
Services 7
Multi-location warehousingCapacity planningB2B fulfillmentDTC fulfillmentRetail distributionReturnsOn-demand warehousing
Systems 6
ERPTMSWMSBIReal-time dashboardsControl tower
Collaboration models 3
Fully managed 4PLHybridModular onboarding
Freight 5
Air freightOcean freightRoad freightProject cargoContainer shipping
What’s included
Our services: 4PL plus warehousing and fulfillment
A comprehensive 4PL warehousing model for brands and businesses that need scalable, tech-enabled and resilient logistics infrastructure.
End-to-end warehouse management
Multi-location coordination and capacity planning across every facility in your operation.
Order fulfillment and distribution
B2B, DTC and retail orders prepared and shipped under one program.
Carrier and 3PL coordination
We integrate your existing vendors or provide alternatives, and oversee their performance.
Returns and reverse logistics
Reverse flows managed alongside outbound orders, with performance reporting.
Real-time visibility and inventory optimization
Dashboards track stock in real time and guide inventory decisions with data.
Control tower for global operations
Centralized oversight that connects warehouses, carriers and systems across countries.
Compare
4PL vs 3PL warehouse: key differences
A 3PL executes warehousing tasks. A 4PL manages every logistics layer and the providers behind it.
Daniel Zapata · Operations Director
Not sure whether you need a 3PL or a 4PL?
Tell Dani your locations, channels and current providers: he recommends a collaboration model and scopes it with you.
Flexible collaboration models
Fully managed 4PL
We handle everything from warehouse design to transport.
Hybrid model
Keep your existing 3PLs or warehouse providers: we orchestrate, optimize and integrate them.
Modular onboarding
Start with key services, for example control tower plus fulfillment, and scale as needed.
How we work with you
How a 4PL warehousing program comes together
Start with one module or the full scope; the same advisor leads onboarding.
01
Map your operation
Warehouses, carriers, 3PLs, sales channels and systems, plus your sourcing, production and distribution goals.
02
Choose the model
Fully managed, hybrid with your current providers, or modular onboarding with key services first.
03
Connect your systems
ERP, WMS and TMS linked into a centralized dashboard for real-time inventory tracking and order flow automation.
04
Run warehousing and fulfillment
Multi-location storage, B2B, DTC and retail fulfillment, returns and carrier coordination.
05
Optimize and scale
Analytics and performance reporting guide inventory, space and on-demand warehousing for seasonal peaks.
Why this model adds value
Why a 4PL warehouse model adds value
Consolidating systems, contracts and storage decisions under a single provider changes how your supply chain performs.
Cost control
Minimize overhead by consolidating systems, contracts and storage decisions under a single provider.
Faster time to market
An integrated tech stack reduces lag between inventory arrival, order placement and final delivery.
Strategic supply chain design
Fulfillment strategies aligned with your sourcing, production and distribution goals.
Resilience and scalability
Adjust to market changes, seasonality or global expansion without disrupting operations.
Freight forwarding expertise
Our Miami-based team brings decades of experience in international freight forwarding, moving cargo smoothly across borders and transport modes.
End-to-end logistics and custom plans
From first-mile pickup to final delivery, with freight plans tailored to your route, product type and timeline, from high-value electronics to temperature-sensitive goods.
4PL pricing
What shapes the cost of a 4PL warehouse program
A 4PL removes the inefficiencies that inflate costs in siloed operations. Your quote reflects the scope you hand over.
Locations and space
Number of warehouses, capacity planning and on-demand space for seasonal peaks.
Fulfillment channels
B2B, DTC and retail order volumes, plus returns and reverse logistics.
Systems integration
ERP, WMS and TMS connections, dashboards and control tower reporting.
Providers to coordinate
Existing carriers and 3PLs we integrate, or alternatives we provide.
Collaboration model
Fully managed, hybrid or modular scope, starting small and scaling as needed.
Freight modes
Air, ocean and road freight, project cargo and container shipping coordinated with the warehousing.
Why shippers trust Interworld
4PL logistics backed by 30+ years of freight forwarding
Founded in 1992 by John Crespo, Interworld Freight serves more than 14,000 clients and runs four facilities with 300,000+ sq ft, anchored by its headquarters building in Miami. It is a founding member of the World Cargo Alliance, IATA accredited, CTPAT certified and WCAworld Best Partner 2022. Our Miami-based team coordinates air freight and charters, FCL and LCL ocean freight between global points, road freight, project cargo and container shipping alongside your warehousing.
1992founded by John Crespo
14,000+clients
300,000+sq ft in four facilities
World Cargo Alliance
Founding member of the allianceWCAworld Best Partner 2022
North America award
IATA accredited
Cargo agent accredited by the International Air Transport Association
CTPAT certified
U.S. CBP supply chain security programNo-commitment quote · Reply within one business day
Ready to orchestrate your supply chain with us?
Space, handling and storage rates confirmed in writing, with a clear breakdown from the first email: no surprises, no fine print.
Quote your storage today
Moving cargo worldwide since 1992. Tell us the load and get a written quote with every cost itemized.
Request a quote
Talk to a specialist
Available in
3PL warehousing in our markets
The operational layer of your 4PL program, run locally in each market.
3PL warehousing in Miami
Outsourced storage, fulfillment and distribution in Miami, with bonded and climate-controlled options, customs…
3PL warehousing in Panama
Inventory, pick and pack and B2B and B2C fulfillment in Panama, with bonded or ZLC stock and direct links to Balboa…
3PL warehousing in Chile
Receiving, Körber WMS inventory control, pick-pack and delivery from Arica to Punta Arenas, from NCh433 facilities…
3PL warehousing in Peru
Körber WMS, 20,000 pallet positions and SUNAT bonded storage near Callao, with Same Day delivery across Lima.
3PL warehousing in Dominican Republic
Inventory, fulfillment and last-mile delivery from the Punta Caucedo Logistics Hub, with bonded storage under DGA RD…
Related operations programs
Client testimonials
What companies say about working with us
Real reviews from our Google profile.
4.5 / 5 · 190+ Google reviews
“I've been working with this freight forwarding company for a while, and their service is truly outstanding. They follow up proactively and make sure everything runs smoothly from pickup to delivery. It's rare to find a company this reliable and customer-focused.”
M
Marcia Vazquez
Google review
“Did great with shipping my items to The Bahamas. Everything was done in a timely manner.”
L
Lynn Rolle
Google review
“The attention from everyone I dealt with is always excellent. You can see the professionalism and care the very first time they attend to you, and it is genuine. Highly recommend Interworld.”
N
Nestor Gonzalez
Google review
“I was very pleased with the service, from beginning to end. Everything was explained to me step by step till I was ready to pick up my machine from the warehouse. I didn't expect to get such service — so professional and knowledgeable.”
E
Ely Krasner
Google review
“Great experience working with them. 100% recommended.”
I
Interprint C.A.
Google review
“Excellent company to work with. Very professional.”
E
Elena
Google review
“The service I received was excellent. I highly recommend this company.”
R
Richard Stifano C.
Google review
FAQ
4PL warehouse services, answered
What companies ask before handing their warehousing and logistics to a 4PL.
or call +1 (646) 722-0968
Plan your 4PL warehouse program
Tell us your locations, channels, systems and current providers. Dani replies with a proposed model, scope and rates.
9601 NW 112th Ave, Miami, FL 33178
Documents for your program
Commercial invoice · Packing list · Inventory records in our WMS
Talk to a person, not a bot
Daniel Zapata · Operations Director
Dani prices your program himself and confirms space, handling rates and documents, in English or Spanish.
4.5 / 5
190+ reviews on Google. Exporters and importers already moving their cargo with Interworld.
Global freight forwarder headquartered in Miami since 1992. Ocean, air and road freight, warehousing and container shipping worldwide.
Dominican Republic
Spring Center Plaza, suite 701, Arroyo Hondo, Distrito Nacional