What we do
Our services are organized into five purpose-driven areas: development, content foundation, consulting, training, and marketing. You don’t need everything at once — start with the area closest to your current challenge. The same team stays with you from design through operations.
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Where are you stuck?
Common entry points. Requirements don’t need to be finished. Start with the closest match.
We want generative AI, but it’s stuck at the PoC stage — we don’t know where to start
Narrow the workflow, try small, then ship only what is worth keeping.
We have a system, but people fall back to spreadsheets
Decide replace vs. fix from who uses it every day.
We have a site, but updates stalled and inquiries aren’t growing
Fix how content is owned and how people (and search) find it.
We know what we want, but have no IT owner in-house
Prioritize the problem and set a right-sized first step together.
How we’re different
We run businesses of our own
We operate our own café, real estate, EC, and product businesses, handling bookings, inventory, and customer support ourselves. That experience grounds every proposal.
Designed to keep working on-site
Rather than abstract DX strategy, we design around the realities of day-to-day operation, so the result is something your team can sustain.
Proposals that fit how you actually work
In real estate and retail, paper and phone calls are still part of daily work. We start from that reality and confirm a solution will truly take root.
One team from design through operations
Keeping planning, development, and operations within the same team reduces miscommunication and keeps the original intent intact to the end.
Generative AI, applied where it pays off
Adopting a tool is never the goal. We identify where AI genuinely helps, start small, and keep source references and human review in place.
ISMS certified, built for confidential data
We are ISO/IEC 27001 (ISMS) certified, with documented procedures for personal and confidential data. Our clients include payments, advertising, real estate, and HR businesses that handle personal data, and we can sign an NDA from the consultation stage.
Recent work
A selection of our recent projects. See the work page for the full list.
Clients
Over 150 organizations, from early-stage startups to listed companies — food delivery, payments, internet advertising, education and e-learning, sharing services, and CMS vendors. Published projects are on the work page.
About Us
We build — and we operate.
Preferred Inc. builds systems, websites, and generative AI. Not a chain of agencies — one team owns design through operations.
We also run our own café, real estate, EC, and products. We face the same booking, inventory, and customer-support friction — which helps us avoid building systems nobody actually uses.
Less abstract DX. Start from labor, handoffs, and permissions. Right-sized first step, not a full rebuild by default.
Mission
Build, operate, and feed lessons back.
Build our own businesses, and feed what we learn back into client work.
Vision
Right-sized IT, in every workplace.
Not oversized, not underpowered — systems that still run next month, within reach of companies of any size.
Our own businesses
Businesses we run ourselves, alongside client work
F&B / Kamakura
Slow Rush Coffee
A coffee shop in Onarimachi, Kamakura. We roast our own beans, run the café, and sell roasted beans.
E-Commerce / Collaboration
LC COFFEE
A coffee EC brand run jointly with Luxury Card. Roasted beans are sold online.
Real Estate / Brokerage
Preferred Estate
A licensed real estate brokerage in Shinjuku, handling rental and sales transactions.
ISMS certified
ISO 27001 / ISMS. Client data is handled under documented rules.
News
You can talk to us before requirements are finished.
We can start by sorting what to do first. We run businesses ourselves, so the conversation stays about labor and ops. Consultation and estimates are free.
Online meetings / reply by next business day / free consult & estimate