Fast, lightweight
Clean code and optimized assets so pages load quickly on Fort Cavazos-area mobile connections.
Killeen · Temple · Belton · Harker Heights · Copperas Cove
Custom web design for Central Texas businesses.
Strategy, design, and development focused on trust, local search visibility, and leads. Built in Killeen, Texas.
- 50+ local projects
- 1–2 week launches
- Mobile-first builds
- SEO foundations included
New quote request
“Need a site for my HVAC company in Temple.”
Why Design Theory
Not another pretty homepage.
A site that loads fast on mobile, shows up in local search, and makes the next step obvious.
Mobile first
Thumb-first layouts, tap-friendly calls to action, and readable type at every size.
SEO foundations
Headings, schema markup, local landing pages, and technical setup so Google knows where you work.
Built to convert
Clear offers, trust signals, and forms placed where visitors are ready to act.
Custom development
Page structures built around your services, service area, and the questions customers ask first.
Ongoing support
Maintenance, SEO, and updates so your site keeps working as your business grows.
What we offer
Websites, SEO, and AI chat.
Start with a custom site, add local SEO, or put an AI chat agent on the site you already have.
Website packages
Professional sites with clear pricing.
- Basic
- $300
- Custom
- $600
- Custom + Web App
- $1,000
SEO services
Show up in Google Search and Maps for the towns you actually serve.
From $25/month after setup
Explore SEOAI chat agent
A 24/7 chat agent that answers questions and captures leads after hours.
$20/month
Meet the agentQuote studio
Build your quote.
Pick what you need. Prices update live, and we confirm everything before any invoice.
What do you need?
Website package
SEO plan
Estimated start
$600
No monthly add-ons
How it works
Live in one to two weeks.
- 1
Quote
Pick a package. We confirm scope before any invoice.
- 2
Design
Pages follow the questions your customers already ask.
- 3
Build
Mobile-first, lead forms, local schema. No bloated theme.
- 4
Launch
Go live, then add SEO, chat, and updates as you grow.
Recent work
Real problems, solved locally.
Grace Community Church
A welcoming site that helps visitors plan a first visit and connects members to ministries.
Hill Country Home Services
Clear service pages, trust signals, and a quote funnel replaced a dated Killeen-area site.
Lone Star Event Co.
Portfolio galleries and faster mobile booking inquiries for a Temple rental company.
Ember & Lens Photography
An atmospheric portfolio for a Belton photographer that still books sessions.
Client results
What local owners say.
“Our quote requests doubled within two months. The site finally explains what we do instead of making people guess.”
“Every designer I hired before ghosted me or sent junk. Design Theory made me feel heard and got it right the first time.”
“I didn’t just get a prettier site. I got something that explains my brand better and feels easier for people to trust.”
Get in touch
Request a callback.
Tell us about your business. We follow up within one business day.