AI systems for small and mid-size businesses.

Website, AI customer service, booking and payments, SEO and AI search, marketing analytics. Under your team, not instead of it. Brooklyn, since 2023.

Get a one-page plan in 48 hours Book a call with the founder
What we do
AI conciergeWebsiteClient researchAPI integrationsSEOGEO Each one built for your stack and handed to a person on your team.
Where to look
~40 chats a day$55K a month, attributed organic revenue+54% traffic from AI assistants

World Spa, Brooklyn: open the site, use the chat in the corner. Our client since 2023, alongside their own marketer. Case study · all work

NYC by Yacht: no bookings came through the website before we rebuilt it, eight did in the weeks after.

How it starts

A 15-minute call. A one-page plan within 48 hours, free. A fixed-price build in four to six weeks. Then we run it, or you do. Details and costs

Describe your business. Get a one-page plan in 48 hours.

Written by the founder, free, no obligation.

Or talk first

Simple4u is a six-person team: founder and CEO in Brooklyn, New York, engineering office in Kyiv. World Spa since 2023, NYC by Yacht since 2026, and our own company on the same systems.

Prefer to talk first: book a call with Slava Phone: (929) 640-6940 Email: nests@simple4uhq.com Office: 1755 Ocean Parkway, Brooklyn, NY 11223

Your message goes straight to the founder. No sales team, no sequence of follow-up emails.