San Francisco · Bay Area
Design, build, and growth for San Francisco startups and Bay Area teams.
Stackzeno is a senior digital studio working with SF and Bay Area founders. We build custom websites, AI product sites, SaaS launches, and developer-tool experiences - fast, credible, and built to convert investors and users alike. Beyond the build, we ship the AI agents and automation that run behind it and handle the SEO and social that keep it filled.
SF
Serving
PST · Bay Area
3-6wk
Avg launch
from brief to handoff
100
Lighthouse
on every production build
24h
Reply time
no sales calls required
Why Stackzeno
What San Francisco founders need from a digital partner
Engineering
Code your team will actually read
Iteration
Built to change after launch
Performance
Sub-1s load times
Services
What we do for Bay Area teams
Pricing
Transparent pricing for San Francisco projects
Builds are fixed-scope and fixed-price. SEO and social run as monthly retainers with a three-month minimum. All figures in USD, itemised in the proposal - no hourly billing, no surprises.
Websites & apps
From $1,000
Landing pages from $1,000. Marketing sites from $4,000. Full sites with a CMS and blog, web apps, and iOS/Android builds from $9,000, priced on requirements.
AI agents & automation
$3,000 - $40,000
Workflow automation from $3,000. A single custom AI agent from $6,000 plus $400-$1,200/mo to run. Multi-agent systems from $15,000.
SEO & social
$1,000 - $5,000 / mo
SEO retainers from $1,000/month, social from $1,500/month, both with a three-month minimum. Combined growth retainers from $4,000/month.
Guides
Guides for Bay Area product teams
Market brief
What building for San Francisco actually involves
The buyers here are technical, they read your site like an engineer, and they will look at what it is built on. California's privacy rules apply in full.
Audience
Technical buyers evaluate the build itself
Founders and engineering leads in this market check load performance, look at the network tab and notice framework choices. A fast, cleanly built site is itself the credential, and a slow one undermines whatever the copy claims.
Privacy
CCPA and CPRA obligations still apply
The same California thresholds apply here as in Los Angeles. Startups frequently cross them faster than they expect, and retrofitting consent and rights-request flows after a funding round is worse than building them in.
Security
Enterprise deals drag SOC 2 into the website
Once a company starts selling upmarket, the marketing site gets pulled into security review: subprocessors, analytics, where form submissions land. Making those choices deliberately at build time saves a painful audit later.
Testimonials
What founders say
“We told investors to just look at the site. It did the talking. That's the highest compliment I can pay a launch page.”
“We expected a marketing site. We got a conversion engine. Spend went up, CPL went down - that almost never happens at the same time.”
Frequently asked
Common questions from San Francisco founders
Yes. A significant share of our clients are Bay Area founders - YC alumni, pre-seed AI teams, and Series A SaaS companies. We work PST hours and run async with weekly review calls over Zoom or Slack.
Yes. Most marketing sites for SF teams ship in three to four weeks and product launches in six to twelve. We commit to a launch date in writing at the briefing phase and we hit it - every time.
Yes. We have built for AI startups, developer-tool companies, and technical SaaS products that need a site that speaks to both technical buyers and investors without looking like a generic template. Documentation-heavy, dense, and still premium.
Landing pages start at $1,000. Websites start at $4,000 for a focused marketing site, and full builds with a CMS, blog, and motion start at $9,000. Web apps and iOS/Android builds are scoped from there. AI automation starts at $3,000; a custom AI agent starts at $6,000 plus $400-$1,200 a month to run. SEO retainers are $1,000-$4,000 a month and social is $1,500-$5,000, both with a three-month minimum. Everything is invoiced in USD and itemised in a fixed-cost proposal after the briefing call.
Ready to build
something serious?
Tell us what you're working on. We reply within 24 hours with a clear next step - no sales calls required.

