List of Top Software Development Companies in California | Top Software Developers in California | Hire Software Developers in California
51 to 250
$26 - $50 /hr
Software Development
USA
Professional WP support services providing reliable WordPress website maintenance, updates, security monitoring, troubleshooting, performance optimization, and technical assistance. We help businesses keep their websites secure, fast, and running smoothly with expert support and ongoing maintenance solutions tailored to ensure stability and long-term website performance. Read More About WP support
11 to 50
$26 - $50 /hr
Software Development
USA
Infiniti Digital Marketing Agency helps businesses grow online. Our core services include SEO, AIO, content marketing, social media management, and website services. We focus on driving revenue growth by attracting more visitors and turning them into customers through smart and effective strategies. Read More About Infiniti Digital
11 to 50
$51 - $100 /hr
Software Development
USA
Catalyst is an award-winning integrated marketing agency designed to deliver the full reach, creativity, & impact of an in-house marketing team - without the overhead. Our team specializes in developing data-driven strategies that help brands grow through innovative digital marketing, creative campaigns, branding, & performance optimization. With a focus on measurable results & long-term partnerships, Catalyst empowers businesses to elevate their marketing efforts & achieve sustainable success. Read More About Catalyst Marketing Agency
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51 to 250
$51 - $100 /hr
Software Development
USA
Roofing SEO Agency is a specialized SEO firm dedicated exclusively to helping roofing companies grow through high-impact, local-focused search strategies. Backed by LOOPEX Digital and led by experienced founders, the agency combines technical SEO, conversion-driven content, and transparent reporting to deliver real results—more visibility, more qualified leads, and sustainable revenue growth for roofing contractors. Read More About Roofex SEO
2 to 10
$26 - $50 /hr
Software Development
USA
Accountants SEO is a niche SEO agency for accountants, CPAs, and accounting firms grow their online visibility and generate qualified leads. We specialise in SEO strategies tailored to the accounting industry, including local SEO, technical optimisation, content strategy, and ethical link building. Read More About Accountants SEO
2 to 10
$51 - $100 /hr
Software Development
USA
LawRank is a premier legal marketing agency that specializes in SEO, PPC, and web design. We have a proven track record of achieving first-page results for attorneys in the most competitive markets. Read More About LawRank
51 to 250
< $25 /hr
Software Development
USA, India
BugRaptors pioneers' software testing with AI-driven automation, offering a diverse array of software testing and QA services to ensure your applications' excellence. With a track record of smashing half a million bugs, we blend innovation with expertise to elevate your software's performance. Our commitment to quality assurance is unwavering, making BugRaptors your go-to partner for cutting-edge testing solutions. Read More About BugRaptors
Exceptional Security Testing Services for Banking Software
Katherine Williams,
2 to 10
$26 - $50 /hr
Software Development
USA
At Super Web Touch in Reseda we design experiences rather than merely software. Our strategy blends state-of-the-art technology with a thorough comprehension of each individual client’s needs. Our solutions are effective, scalable, and customized to your goals, whether you’re updating IT systems, creating user-friendly mobile applications, or building strong business platforms. Read More About Super Web Touch
51 to 250
$26 - $50 /hr
Software Development
USA
Web Design Mechanic is a full-service digital agency offering custom web design, development, mobile apps, branding, animation, and digital marketing solutions. We help businesses grow online with creative, user-focused, and results-driven strategies. Read More About Web Design Mechanic
51 to 250
$101 - $150 /hr
Software Development
USA
RankMeTop is a full-service plumbing & HVAC digital marketing agency helping contractors & service companies grow with measurable results. As a growth partner, we provide internet marketing services like Local SEO, LSAs, GBP management, social ads, minimalistic web design, reputation management & content marketing. With Decades of combined experience, we guarantee 300% ROI in 12 months or work free. Read More About RankMeTop
2 to 10
$51 - $100 /hr
Software Development
USA
We are a product design company. We are a team of UI/UX designers, product designers, full-stack developers, and ex-founders of companies, each rigorously hand-picked for the qualities that contribute most to product success. Together, we build web and mobile apps that solve our clients’ problems in the most multidisciplinary and innovative ways possible. Read More About Topflight Apps
11 to 50
$51 - $100 /hr
Software Development
USA
The Los Angeles SEO Company is your one-stop solution for achieving online success. With over four years of expertise, 635+ websites ranked, and 180+ clients served worldwide, we pride ourselves on delivering ROI-focused services. Read More About The Los Angeles SEO Company
251 to 1000
< $25 /hr
Software Development
USA
Data4eCom is a full-service eCommerce and marketing agency with 25+ years of experience and 500+ full-time employees. Read More About Data4eCom
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251 to 1000
< $25 /hr
Software Development
USA
Established in 1999, Team4eCom is a global e-commerce marketplace management agency with over 500 full-time employees. We have supported 5,000+ businesses with solutions across marketplaces, including Amazon, eBay, and platforms like ChannelAdvisor. Read More About Team4eCom
251 to 1000
< $25 /hr
Software Development
USA
With 25+ years of experience, Data4Amazon is a full-service Amazon marketplace management agency with over 500 Amazon specialists. We have managed 3,500+ Amazon stores across the USA, Europe, Canada, and Asia. Read More About Data4Amazon
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Top Software Development Companies in New York | April, 2026
