We build digital infrastructure
for serious businesses —
and the agencies that serve them.
P4 One LLC is the New Jersey company behind P4 One Digital™. We build websites, AI media, and accessibility services for businesses — with the credentials agencies look for when they need a verified vendor.
- One company to call — websites, accessibility, and digital work all under one roof.
- Real people, real response — most requests scoped same business day.
- Accessibility-first builds — 98+ scores across every site we run.
Don't trust marketing.
Trust live numbers.
Every number below is on a live website you can visit right now. Run your own check — these scores hold up.
One entity. Specialized brands.
P4 One LLC is the legal entity. Each brand below ships work in its lane. P4 One Digital™ is our flagship commercial brand — start there for general inquiries.
P4 One Digital™
Our main commercial brand. Websites, AI media, advertising, and search visibility — all in one place. This is where most clients start.
Open p4onedigital.com Fast service websitesP4 Web Studio
Fast websites for service businesses. Found in local search, rebuilt if broken, and built to work for everyone.
Open p4webstudio.com AI mediaProtocol 4 Pro
Cinematic AI imagery + short-form video packs built for ads and social.
Open Business emailP4 Mail
Email set up the right way — so your messages reach the inbox, not the spam folder.
Open New · AccessibilityAccessibility Practice
Help your website meet the new accessibility rules before the April 2027 deadline. Audit, fixes, and monthly monitoring.
See pricing New · Real estateP4 Listing Sites
Single-property and agent real estate websites. From $1,200 + $30/mo. Built in days, ready to be found online.
See labs Weekly site healthP4 SiteCheck
Free scan now, weekly Monday reports for $9/mo. Performance, accessibility, SEO, and broken-link monitoring — no signup needed for the free check.
Open p4sitecheck.p4one.comLive accessibility scoreboard.
Accessibility scores across every site we run. We publish them because they hold up — check any one yourself.
P4 Portfolio · Accessibility Scores
Real projects. Real metrics.
Click any card to open the live site.
629 Washington Ave · For Sale By Owner
A dedicated single-property listing site for a Kenilworth, NJ home — full photo gallery, floor plans, mobile-first layout, and accessibility-tested design.
DM House Cleaning · Bilingual Website
A full English and Spanish experience for a New Jersey cleaning service — every city served covered in both languages, structured for local search across both audiences.
Accessibility Practice
ADA and WCAG audit, remediation, and ongoing monitoring for businesses preparing for the April 2027 federal accessibility deadline.
P4 One Digital™ · Flagship Brand
Our commercial flagship for web development, AI media, advertising, and SEO — the front door for general business inquiries. Federal trademark filed.
P4 Web Studio · Site Rescue
Structured recovery packages for businesses with a broken, slow, or outdated website — three defined tiers with transparent online payment and a clear intake process.
Protocol 4 Pro · Cinematic AI Media
AI-driven cinematic media production for contractors and service businesses — capability videos, vertical shorts, and visual authority assets for marketing and proposals.
What we're shipping next.
P4 One LLC is active. New products and service lines are launched, tested, and tracked publicly.
Accessibility Practice
Help your website meet the new accessibility rules. $1,500 audit · $5,000 fix-and-rebuild · $149–$349/mo monitoring.
P4 Listing Sites
Single-property and agent real-estate sites. $1,200 + $30/mo. Luxury from $1,800. Add 3D tour +$350.
Government Bid Response Service
Help other small minority-owned businesses respond to government bids. NJ towns, counties, and shared buying co-ops.
Accessibility Monitoring Tool
Automatic accessibility checks plus a monthly report. A subscription tool we're building to pair with our service.
Pre-qualified. Ready to bid.
Capability snapshot
We work across web design, accessibility, AI media, and digital infrastructure for NJ businesses and agency buyers. Full capability statement available below.
Relevant NAICS
Add P4 to your vendor list
For procurement officers, prime contractors, and agency buyers. We'll respond within one business day.
Two doors. Same standard.
RFP, teaming, or pre-qualification
You're buying for an agency, responding to a solicitation, or sourcing a digital services partner. Send your details — we respond within one business day.
Open vendor form →Website, AI media, or accessibility
You're a business owner or operator. Go to our commercial flagship — P4 One Digital™ — for service details, pricing, and direct intake.
Open P4 One Digital™ →