AI Consultancy for Apparel & Retail · Los Angeles
25th Century combines over a decade inside apparel and retail operations — from vertically integrated manufacturing and cross-border logistics to item-level RFID and enterprise systems at scale — with AI implementation that's accountable to the outcome, not the deliverable.
The expensive problems
We don't sell AI implementation. We find the problem, dollarize the opportunity, and provide the solution.
Apparel brands overproduce by up to 40%. Only 60% of inventory sells at full price — the rest is marked down, liquidated, or destroyed. AI-driven demand planning and RFID-powered inventory visibility can cut this dramatically, but only if the data is connected and someone understands the operation.
SKU-level forecasts in apparel are off by 35–50%. The answer lives in six disconnected systems and nobody owns all of them. AI can reduce forecast errors by 20–50% — but only if someone maps the data architecture first. That requires understanding the operation, not just the technology.
You're running a 12-month design-to-shelf calendar. Competitors using AI for trend detection, design iteration, and assortment planning are compressing that to 8 weeks. The brands that move faster sell more at full price — the gap is 25 percentage points in sell-through.
Fashion return rates run 24–30% online. 67% are caused by size and fit issues. Every return costs $15–$40 to process. AI-powered sizing, virtual fit, and product accuracy tools have demonstrated 30–47% return reductions — with direct P&L impact.
Fashion CAC has risen 222% in a decade. iOS privacy changes killed precision targeting. You're spending to acquire customers you could be retaining. AI-driven personalization and retention modeling shifts spend from acquisition to retention — measurable, dollarizable.
A 1% pricing error across a $100M catalog is $1M in lost margin. AI dynamic pricing has demonstrated 5–10% margin improvements — yet fewer than half of retailers have adopted any form of it, and most use basic rules. This is the highest-ROI AI lever most brands haven't touched.
Tariffs up 5x since 2015. Shipping costs spiking. 76% of apparel executives believe trade disruptions will reshape 2026. Most brands don't have the systems to model duty impact, manage bonded inventory, or optimize cross-border fulfillment. We've built cross-dock operations across four countries and run bonded warehouse and duty drawback programs at scale.
The EU Digital Product Passport is coming — item-level traceability from origin to consumer, via QR or NFC, for every product sold in Europe. Most brands have no infrastructure for this. We've implemented item-level RFID across supply chains and retail stores, and built connected product systems using NFC for authentication, ownership, and track-and-trace.
How it works
We map your operation — systems, data, workflows, pain points. We identify where AI can create real value and where it can't. No assumptions. No generic playbooks.
Included in diagnostic engagementWe put a number on the opportunity. What is this problem actually costing you? What does the upside look like? You walk away with a clear financial picture — whether you work with us or not.
$15K – $30K · 2–4 weeksWe design and implement the solution — whether that's configuring a platform, integrating systems, or deploying something custom. Priced against the value identified in the diagnostic, not hours worked.
Priced at 3–8% of identified valueWe track impact against the baseline we established in the diagnostic. If it's not moving the number, we adjust. The engagement is accountable to the outcome, not the deliverable.
Ongoing or project-basedWhy us
Over a decade inside apparel and retail — from vertically integrated manufacturing and cross-border logistics to item-level RFID, bonded warehousing, and duty drawback programs. We've managed the POs, the WMS, the ERPs, the cross-dock operations, and the people who use them. We don't advise from the outside.
Every engagement starts with the question: what is this problem actually costing you? If we can't put a number on the opportunity, we don't move forward. No vanity projects. No solutions looking for problems.
Strategy decks that sit in a drawer don't improve your margin. We design solutions and see them through — whether that means configuring a platform, integrating systems, deploying something custom, or telling you exactly what to buy and how to run it. One team, end to end.
Track record
Built the authentication platform and cross-dock logistics system that powered eBay's Authenticity Guarantee program. 1.55M+ sneakers authenticated across the US, UK, Australia, and Germany. eBay acquired the company in 2021.
Designed and implemented Manhattan SCALE WMS with full Netsuite integration. End-to-end warehouse management for a scaling direct-to-consumer brand.
Built inventory management, shipping, and operations systems using Deposco WMS with Netsuite integration via Celigo ESB.
Technology due diligence on pre-IPO companies — evaluating technical infrastructure, scalability, and investment risk for a private equity firm.
FAQ
Get in touch
Tell us about the problem. If we can dollarize the opportunity and it's worth solving, we'll show you how. If it's not a fit, we'll tell you that too.
Built the platform eBay acquired. 12+ years in apparel & retail operations. Trusted by PE firms and mid-market brands.
¹ Based on aggregate industry research across eight operational categories including excess inventory and markdowns, demand forecasting errors, speed-to-market lag, product returns, customer acquisition inefficiency, pricing gaps, supply chain disruption, and traceability gaps. Sources include McKinsey & Company (“The State of Fashion,” 2023–2025), the IHL Group Inventory Distortion Study ($1.73 trillion in global retail inventory distortion, 6.5–7.3% of revenue per retailer), the BoF/McKinsey State of Fashion 2025 report, NRF (16.9% retail return rate in 2024, $890 billion in returned merchandise), Coresight Research, SimplicityDX (222% CAC increase over the past decade), and BCG (5–10% margin improvement from AI-driven pricing). Individual problem areas overlap — figures represent total exposure across categories, not additive loss. Actual impact varies by company size, channel mix, and operational maturity.