Best California Fintech Software Development Companies

217 Companies - Rankings updated: July 05, 2026

All agencies are evaluated on DesignRush for demonstrated expertise and authentic client reviews to support your decision. Certain placements are paid.

United States × California ×

Paradigm Solutions
AI-native Engineering. Enterprise-grade Results
AI-native Engineering. Enterprise-grade Results
Paradigm provides custom low-code software solutions. Our commitment is to empower organizations with the tools they need to streamline processes, automate tasks, and scale operations efficiently. Through a fusion of expert development and a deep understanding of our clients' unique challenges, we aim to be [... view Paradigm Solutions profile ]
Top Services:
Software Development
Web Development
Enterprise
Location
Temecula, California
Number of Employees
Under 49
Minimal Budget
$1,000 - $10,000
View Profile
5.0 5.0 (1)
Ambsan Digital
Building the Future, Code At A Time
Building the Future, Code At A Time
Ambsan Digital is a full stack company specializing in high-performance web and mobile app development. We transform ideas into scalable digital products, offering end-to-end services from UI/UX design and custom web platforms to native and cross-platform mobile applications. Our expert developers focus on [... view Ambsan Digital profile ]
Top Services:
Software Development
Mobile App Development
Web Development
Location
California City, California
Number of Employees
Under 49
Average Hourly Rate
$50/hr
Minimal Budget
$1,000 - $10,000
View Profile
iQlance Solutions Canada
Canadas Trusted Partner
Canadas Trusted Partner
iQlance Solutions Canada is a global technology service provider specializing in delivering advanced digital products tailored to modern business needs. The company focuses on building scalable, secure, and high-performance solutions, helping organizations turn their ideas into successful digital platforms. [... view IQlance Solutions Canada profile ]
Top Services:
Software Development
Mobile App Development
Web Development
Location
Ontario, California
Number of Employees
50 - 99
Minimal Budget
$10,000 - $25,000
View Profile
Blue Trail Software
More Than Code We Build Trust Through Craft & Commitment
More Than Code We Build Trust Through Craft & Commitment
Engineered with integrity. Backed by mentorship. Delivered with care. BTS transforms ideas into scalable, secure, and impactful digital products that deliver long-term value. [... view Blue Trail Software profile ]
Top Services:
Software Development
UI/UX Design
Enterprise
Location
San Francisco, California
Number of Employees
100 - 249
Average Hourly Rate
$55/hr
Minimal Budget
$50,000 & Up
View Profile
ITColark Consulting
Building Smart Enterprise Solutions For Growing Businesses.
Building Smart Enterprise Solutions For Growing Businesses.
ITColark Consulting delivers customized enterprise software and IT solutions that help businesses streamline operations, scale efficiently, and achieve digital growth. [... view ITColark Consulting profile ]
Top Services:
Software Development
eCommerce Development
IT Services
Location
California City, California
Number of Employees
Under 49
Average Hourly Rate
$11/hr
Minimal Budget
$10,000 - $25,000
View Profile
Bay Area Coders
Strategy, design, engineering, and AI
Strategy, design, engineering, and AI
Bay Area Coders is a San Francisco-based product and engineering studio working with venture-backed startups and growth-stage companies since 2016. We combine strategy, design, engineering, and AI to help teams ship real products and modernize existing ones. [... view Bay Area Coders profile ]
Top Services:
Software Development
Ruby on Rails
Enterprise
Location
Roseville, California
Number of Employees
Under 49
Average Hourly Rate
$100/hr
Minimal Budget
$1,000 - $10,000
View Profile
LaCleo Inc
AI Agents That Grow Business
AI Agents That Grow Business
AI agents that scale your business developed and operated by LaCleo. LaCleo was established to ensure that scaling businesses get enterprise-grade marketing all at an affordable cost and without having to hire anyone. [... view LaCleo Inc profile ]
Top Services:
Software Development
eCommerce Development
Web Development
Location
San Francisco, California
Number of Employees
Under 49
Average Hourly Rate
$10/hr
View Profile
AlgoRepublic
Our expertise makes a positive impact to your business
Our expertise makes a positive impact to your business
AlgoRepublic offers comprehensive business automation, product development, and software/web development services to clients globally. Our expertise ensures innovative and efficient solutions tailored to meet the diverse needs of businesses worldwide. [... see all AlgoRepublic reviews ]
Top Services:
Software Development
Mobile App Development
Enterprise
Location
Los Angeles, California
Number of Employees
250 - 499
Average Hourly Rate
$30/hr
Minimal Budget
Under $1,000
Portfolios Count
1 Project Listed
View Profile
4.3 4.3 (1)
4.8 4.8 (18)
Webllisto
Webllisto is a prominent IT Consulting and Engineering firm offering clients the finest Web and Software development services for their business. Our exceptional Web services are dedicated to Enterprises, ISVs, Startups, and digital agencies. [... view Webllisto profile ]
Top Services:
Software Development
IoT
VR/AR
Location
San Jose, California
Number of Employees
100 - 249
Average Hourly Rate
$50/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
4 Projects Listed
View Profile
4.7 4.7 (61)
EpicBliss
EpicBliss Solutions provides a variety of IT services.
EpicBliss Solutions provides a variety of IT services.
Many worldwide clients are now using "EpicBliss" benchmark solutions, We're capable to drive you to the right tech-track for your laudable idea. So, let's scrutinize your business need, mold it and establish it with the latest and most suitable technologies. [... see all EpicBliss reviews ]
Top Services:
Software Development
IT Services
Mobile App Development
Location
Ontario, California
Number of Employees
Under 49
View Profile
4.3 4.3 (1)
5.0 5.0 (36)
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Dreamer Technoland
Full Cycle Software & Mobile App Development Company.
Full Cycle Software & Mobile App Development Company.
Dreamer Technoland is a web development, mobile app design and development company building reliable solutions for businesses and startups. [... view Dreamer Technoland profile ]
Top Services:
Software Development
Mobile App Development
Enterprise
Location
Alameda, California
Number of Employees
Under 49
Average Hourly Rate
$25/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
3 Projects Listed
View Profile
4.4 4.4 (28)
Persistent
See Beyond, Rise Above.
See Beyond, Rise Above.
Persistent Systems, a renowned global leader in software product development and technology services. Delve into our innovative offerings to stay ahead in the ever-evolving landscape of technology. [... view Persistent profile ]
Top Services:
Software Development
Blockchain
.Net
Location
Santa Clara, California
Number of Employees
1000 & Up
Average Hourly Rate
$100/hr
Minimal Budget
$50,000 & Up
View Profile
4.6 4.6 (730)
Rainstreamweb
Where Business Gets Success
Where Business Gets Success
Rainstream Technologies is a website design and development company based in India that has been providing professional services since 2014, with an extensive portfolio of over 500+ projects. [... view Rainstreamweb profile ]
Top Services:
Software Development
eCommerce Development
Web Development
Location
Ontario, California
Number of Employees
Under 49
Average Hourly Rate
$25/hr
Minimal Budget
$1,000 - $10,000
View Profile
Cybrain Software Solutions
Full-service IT solutions company
Full-service IT solutions company
A full-service IT company with ISO 9001:2015 certification, Cybrain Software Solutions provides top-notch software solutions to brands all over the world. [... view Cybrain Software Solutions profile ]
Top Services:
Software Development
IT Services
Web Development
Location
Ventura, California
Number of Employees
100 - 249
Average Hourly Rate
$49/hr
Minimal Budget
$1,000 - $10,000
View Profile
4.8 4.8 (125)
CONTUS Tech
Your Digital Growth Success Partner.
Your Digital Growth Success Partner.
CONTUS Tech stands as a prominent global authority in digital engineering services, heralded for its transformative impact on businesses worldwide. Our forte lies in crafting cutting-edge digital products, pioneering connected vehicle experiences, and spearheading next-generation streaming services that [... view CONTUS Tech profile ]
Top Services:
Software Development
IT Services
Mobile App Development
Location
Santa Clara, California
Number of Employees
250 - 499
Average Hourly Rate
$30/hr
Minimal Budget
$25,000 - $50,000
View Profile
4.0 4.0 (314)
TechnoBrains Business Solutions
Empowering Businesses Through Innovative Software Development
Empowering Businesses Through Innovative Software Development
TechnoBrains Business Solutions is a global software development and AI solutions company founded in 2009, delivering custom web, mobile, AI, and enterprise software solutions for startups, SMEs, and established enterprises worldwide. Headquartered in Ahmedabad, India, with a presence in the United States [... view TechnoBrains Business Solutions profile ]
Top Services:
Software Development
IT Services
Mobile App Development
Location
San Francisco, California
Number of Employees
50 - 99
Minimal Budget
$10,000 - $25,000
View Profile
4.8 4.8 (26)
Squareboat
Design Driven Success
Design Driven Success
Squareboat is a design-first software development company with offices in India and the US. Through our Crewmate division, we help global businesses hire top remote developers and build fast, scalable digital products. [... view Squareboat profile ]
Top Services:
Software Development
UI/UX Design
Web Development
Location
San Francisco, California
Number of Employees
50 - 99
Average Hourly Rate
$30/hr
Minimal Budget
$25,000 - $50,000
View Profile
4.4 4.4 (256)

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Related Software Development Specializations in California

About The Author and Expert Reviewer

Selina Garcia

Content Specialist

selina@designrush.com

Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.

Sergio Oliveira

Former Development Director

spotlight@designrush.com

Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.

Latest Trends Related to Fintech Software Development

Software Development

Best California Fintech Software Development Companies

AI-native Engineering. Enterprise-grade Results

Building the Future, Code At A Time

Canadas Trusted Partner

More Than Code We Build Trust Through Craft & Commitment

Building Smart Enterprise Solutions For Growing Businesses.

Strategy, design, engineering, and AI

AI Agents That Grow Business

Our expertise makes a positive impact to your business

EpicBliss Solutions provides a variety of IT services.

Full Cycle Software & Mobile App Development Company.

See Beyond, Rise Above.

Where Business Gets Success

Full-service IT solutions company

Your Digital Growth Success Partner.

Empowering Businesses Through Innovative Software Development

Design Driven Success

Related Services in California

Related Software Development Specializations in California

About The Author and Expert Reviewer

Latest Trends Related to Fintech Software Development