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AI and Custom Software Implementation and Success

We build AI and Custom Software Systems to solve business problems with lean solutions.
AI Consulting & Transformation

Engagements from $8K

Our 4-pillar framework. We audit where AI would actually move the numbers, build the roadmap, guide your team through adoption, and stay on until the metrics move. Strategy, Implementation, Adoption, Monitoring.

Custom Software

Projects from $1.5K

  • Min project size
    $1,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    2 - 9
  • Year founded
    Founded 2025

Overview by:

Reviewer avatar
Marco Esquivel
Founder | Solutions Architect About the Team

Service Lines
AI Consulting
45%
Custom Software Development
35%
AI Agents
20%

No Focus Areas have been added yet…

Industries
Business services
25%
Construction
25%
Financial services
25%
Home Services
25%
Clients
Midmarket ($10M - $1B)
50%
Small Business (<$10M)
50%

Pricing Snapshot

Min. project size $1,000+
Avg. hourly rate $50 - $99 /hr
Rating for cost 5 /5

Most Common Project Size

< $10,000 based on 1 review
< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000
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Build Lean Reviews

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Custom Web Dev for Real Estate & Financial Services Firm

  • AI Consulting Custom Software Development Web Development
  • Less than $10,000
  • December 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They were amazing."

Feb 16, 2026
Owner, Esquivel Wealth Strategies
Marco Esquivel
Verified
  • Financial services
  • Carlsbad, California
  • 1-10 Employees
  • Online Review
  • Verified

Build Lean developed a website for a real estate and financial services firm. The site featured a landing page and videos.

Showing 1-1 of 1 Reviews

Our Story

We’re BuildLean: a small Carlsbad team using lean processes and modern tools to make AI consulting and custom software affordable for SMBs. We build tailored, scalable apps, automation and AI integrations that save time, cut SaaS costs, and unlock growth. Our background in AI consulting and domain-focused solutions (construction, real estate, legal, medical) has delivered measurable savings, faster workflows, and owned software—democratizing software one project at a time.

Meet the Team

Marco Esquivel

Marco EsquivelFounder | Solutions Architect

5+ years of professional engineering experience at American Express. Delivered solo SaaS products end-to-end. And now taking his technical experience to solve business problems with lean frameworks and tools.

Quick Facts

1 Verified Clutch Client

1 year in business

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