Top Heroku Companies in California
SelectedFirms reviews agencies and verifies client feedback to support informed decisions. [How SelectedFirms Ensures Trust]
Explore Reviewed Heroku Companies in California — Find Skilled Heroku Professionals for Your Project
Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.
12 Companies
Filter by
-
USA
-
California
4.9 (16 Reviews)
58
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
58
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Engineering peace of mind
Vention is a global software development company with over 20 years of experience delivering innovative, scalable solutions for startups and large enterprises. We handle projects of any size and complexity, enabling clients to accelerate growth, launch new products, and seize emerging opportunities. With a global network of 3,000+ experienced developers, we provide top engineering talent aligned to your time zone, technology stack, and business goals. We’ve partnered with 500+ industry-leading organizations, including PayPal, IBM, Mount Sinai, PwC, and Postman, contributing to more than $15B in client acquisitions. Our engagement model helps companies reduce operational costs by up to $600K annually, while our long-term relationships—averaging over 36 months and extending up to 16 years—reflect strong client trust and satisfaction. Vention offers full-cycle software development services, from strategy and architecture to deployment and optimization. Our capabilities include custom software development, web and mobile app development, QA and testing, cloud and DevOps, eCommerce platforms, AR/VR experiences, artificial intelligence, and blockchain solutions. As a trusted technology partner, Vention empowers businesses to innovate faster, scale efficiently, and stay competitive in an evolving digital landscape.
See all 9+ Portfolios
Undisclosed/hr
$25,000+
1,000 - 3,000
New York, USA
Verified Client Review
Mobile App Dev for Sports Tracking Platform
Reviewed by: Brent Varrall, Founder at AllGains View all 16 Reviews
5.0 (2 Reviews)
34
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
34
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
We make a difference
At Differenz System, we focus on providing a variety of web and app development solutions that have positively impacted our client's productivity and profitability. Our company is built on the foundation of three points: high performance, high productivity, and a healthy and energizing work environment. Our team is composed of experienced professionals who specialize in providing comprehensive business solutions for web development, mobile app development, custom application development, and software development, all with a service-oriented mindset. Throughout the years we have prioritized providing innovative solutions to our customers with care and diligence. Today, it is safe to say we are one of the best custom application and web development companies out there!
View Differenz System Profile
$25-$49/hr
$1,000 - $200,000
50 - 249
West Hills, USA
Verified Client Review
4.7 (3 Reviews)
34
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
34
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Blockchain Consultants and Developers
Webllisto is a pioneer software development company specializing in the Blockchain arena. We discover talents and render Blockchain development services that outshine your business from an ocean of competitors. We have been established in the IT field since 2016 with a successful project completion agenda. Our Expert Blockchain Developers are trained, certified, and entrusted as the company’s fortified pillar. We render a plethora of software development services ranging from Blockchain software development and cryptocurrency solutions to cutting-edge Metaverse development services. We are the best-in-class custom Blockchain Development solution provider company encompassing a raft of decentralized applications in the Blockchain space. Moreover, we are accumulating expertise in the field of bandwagon Metaverse development with feature-rich AR/VR functionalities. Webllisto dignifies its presence in California, THE USA with additive offices in Indore and Lucknow, India. We select some of the finest technical talents to structure your project, serving funded startups and multimillion-dollar companies across the globe.
View Webllisto Technologies Pvt. Ltd Profile
$25-$49/hr
$5,000 - $20,000
50 - 249
San Jose, USA
Verified Client Review
Custom Software Dev for Blockchain Dev Company
Reviewed by: Philipp Kirschner, Managing Director at Blockchain Dev Company View all 3 Reviews
5.0 (1 Reviews)
30
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
30
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Software Development Company
DevBatch Inc. is the Best Custom Software Development Company providing a best-in-class team of developers delivering top-notch custom software solutions worldwide, Like North America, Europe, the Middle East, Africa, and Asia.
View DevBatch Inc Profile
$50-$99/hr
$1,000+
100 - 200
Newark, USA
Verified Client Review
Mobile App Dev & UI/UX Design for B2B Software Company
Reviewed by: Aqsa Sajjad, Digital Marketing Executive at B2B Software Company View all 1 Reviews
5.0 (2 Reviews)
28
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
28
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Accelerate Cloud-Native Agile Development
Zymr is a full-stack cloud software development company headquartered in Silicon Valley. Combining agile development practices and cutting-edge open source technologies, we deliver fit-for-purpose software that scales with our customers’ business needs. Founded by industry veterans with decades of technology experience, we are proficient in accelerating cloud application development. With integrated Cloud, Cybersecurity, QA Automation Services, DevOps, etc. competencies, Zymr operates as a one-stop technology partner for enterprises seeking to develop or leverage their existing core IP. We have worked with some of the most demanding venture-funded startups, and mid-to-large enterprises, to render their cloud-enabled applications. Be it apps for enterprises, consumers, social media, eCommerce or IoT, we have built them all.
View Zymr, Inc. Profile
/hr
$1,000+
50 - 249
San Jose, USA
Verified Client Review
Network Management System Development for Virtualization Software Company
Reviewed by: Dhana Bala, Former Senior Architect at Accelera Mobile Broadband, Inc. View all 2 Reviews
5.0 (5 Reviews)
28
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
28
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Software Made Simple
CodeBright is one of the fastest-growing software development companies in the USA that works with small/large enterprises and startups to improve/streamline/automate business processes, raise efficiency/productivity, reduce costs, solve business challenges, bring Minimal Viable Products (MVPs) to the market, and much more. The award-winning team can handle a wide variety of complex software development projects that involve integration with other systems (CRMs, ERPs), analysis of large masses of data, and use of AI to solve expensive business problems.
View CodeBright Profile
$25-$49/hr
$5,000+
50 - 249
Alexandria, USA
Verified Client Review
System Development for Luggage Startup
Reviewed by: Micah Lewis, Founder at My Bag Check Inc. View all 5 Reviews
4.0 (1 Reviews)
25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Agile in Transformation | Ahead in Technology
We are an AI and Cloud-focused services company, providing innovative technology solutions to enterprise clients globally. We have assisted organizations in building cutting-edge solutions and offer consulting services across various market verticals. Our aim is to deliver simple, elegant tech solutions by leveraging state-of-the-art and upcoming advances in technologies, platforms, and architectures, complemented by a proven track record in delivery using Agile and DevOps methodologies. We started operations in 2010, and we are ISO 9001 and 27001 compliant. As a certified AWS partner, our cloud practice possesses profound expertise in AWS and all leading cloud technologies. Services Offered: AI/ML & IoT || Application Development (Web & Mobile) || Hybrid/Edge/Cloud Infra (Migration, Managed Services, Consulting, Native Development) || BI & Data Analytics || Digital Transformation Industries: Supply Chain & Logistics, Retail, Manufacturing, BFSI, Healthcare, Media & Entertainment, IT
View TechVedika Inc. Profile
$25-$49/hr
$25,000+
50 - 249
San Jose, USA
Verified Client Review
Custom Software Dev for Recruitment Solutions Firm
Reviewed by: Todd D. Williams, CEO at ProsperCare View all 1 Reviews
4.8 (3 Reviews)
4.8 (3 Reviews)
25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Custom software development and consultancy services
We at AKOS are a top development firm for companies in high-impact industries that are in their growth stages. Our group is known for creating cutting-edge websites, unique software, mobile apps, and integrated systems that support businesses in launching new ventures and confidently growing. Our diverse staff is dedicated to finding innovative solutions for challenging issues. We support the transformation of the digital presence and processes that underpin global non-profits, creative start-ups, and traditional businesses. Our human-first approach to redeveloping your most urgent technology is based on brave code and constant learning.
View AKOS Profile
$100-$149/hr
$25,000+
10 - 49
Scottsdale, USA
Verified Client Review
Web App Design & Development for RV Retail Company
Reviewed by: Joshua Van Valkenburg & Carrie Richards, Founder & Operations Manager at Dealer Backstock View all 3 Reviews
5.0 (2 Reviews)
24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Driving Together
Why COACTIVE ? KNOW MORE ABOUT US, MEET WITH THE COACTIVE IT SOLUTIONS (P) LIMITED “COACTIVE” - the word signifies “Acting Together”, “Activeness with Togetherness” and “Joint Action”. At COACTIVE there is always an action taken jointly and by the team to explore beyond the sky, longing to achieve that extra which differentiates an ordinary from an extra-ordinary, thirst to venture into new arenas, yearning to convert all failures into success and last but not the least, wish to provide the best possible services, always. Global Delivery “COACTIVE IT” has its unparalleled positioned to serve the highest quality of global SAP resources with the actual need of our clients require. Regardless of your company’s location, we can easily provide senior-level SAP experts in on-site model or offshore model to deliver the solutions our clients need. SAP Specialisation “COACTIVE IT” has its unparalleled positioned to serve the highest quality of global SAP resources with the actual need of our clients require. Regardless of your company’s location, we can easily provide senior-level SAP experts in on-site model or offshore model to deliver the solutions our clients need. Cost Effective Solutions “COACTIVE IT” has its unparalleled positioned to serve the highest quality of global SAP resources with the actual need of our clients require. Regardless of your company’s location, we can easily provide senior-level SAP experts in on-site model or offshore model to deliver the solutions our clients need.
View Coactive Solutions Profile
/hr
$1,000+
10 - 49
San Jose, USA
Verified Client Review
Amazingly easy to work with and assured quality
Reviewed by: Sauti Sen, Managing Director at BridgeIT2Biz Consulting Services LLP View all 2 Reviews
5.0 (2 Reviews)
23
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
23
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Your IoT Solution and Product Engineering Partner
Gadgeon is an end-to-end IoT Solution development partner in the digital transformation journey of its customers. We are an ISO 9001:2015 certified electronic product design and development company. Established in 2011 with 70 plus satisfied customers across the USA, Europe, Australia, Middle East, and India. We are proud to have a track record of very low talent attrition over the years. Gadgeon delivers end-to-end solutions from product development to deployment including hardware, firmware, and applications. Our extensive experience in end-to-end IoT, Industrial IoT, M2M technologies, network/communication technologies, application management, cloud, analytics, testing, and test automation frameworks enable our customers in building new business models and realizing value from their IoT and digital transformation journey.
View Gadgeon Systems Inc. Profile
$25-$49/hr
$1,000+
250 - 999
Milpitas, USA
Verified Client Review
Software Development for an IoT & Managed Network Provider
Reviewed by: Tushar Sachdev, CTO at KORE Wireless View all 2 Reviews
0.0 (0 Reviews)
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Outstanding Ecommerce Experience
OUXP is a Shopify and Shopify Plus agency providing comprehensive eCommerce design and development services for over 7 years. With 12+ years of experience, they offer themes and apps development, platform migration, third-party app integration, troubleshooting, and audits. Key services include Shopify and Shopify Plus development, Magento development, WooCommerce development, UI/UX design, and technical support. Their technologies stack includes HTML5, CSS3, Liqify/Ruby, React.js, Angular, Flux/Redux, and cloud services like Firebase, Heroku, and AWS.
View Outstanding Experience Corp Profile
$50-$99/hr
$1,000+
10 - 49
Sacramento, USA
0.0 (0 Reviews)
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
An AI Agent Engineering Company
Kwanso is a leading design and development consultancy specializing in bringing product visions to life. With over a decade of experience, we have successfully partnered with Fortune 100 companies, startups, digital agencies, and mid-sized enterprises. Acting as a trusted technology partner, we provide agile, high-performing teams to deliver projects on time and within budget. Our expertise spans web and mobile app development, UI/UX design, generative AI solutions for enterprises, Internet of Things (IoT) applications, and comprehensive QA testing. Kwanso empowers businesses to innovate, scale efficiently, and create impactful digital products that drive measurable results.
View Kwanso LLC Profile
$25-$49/hr
$25,000+
50 - 249
San Francisco, USA
Why Companies Trust SelectedFirms?
SelectedFirms bridges the gap between businesses and digital service providers as a trusted B2B research and listing platform. With the trust of 14,000+ companies and a growing community of 1M+ users, we empower businesses with reliable insights to make confident decisions.
Human-verified companies
We manually review companies to ensure they meet our quality standards before they appear on the platform.
Research-driven rankings
We rank companies using a clear ranking methodology based on real client feedback, expertise, market credibility, and how well teams execute — not hype.
Always up-to-date insights
We regularly refresh listings with new reviews, portfolio updates, and market changes to keep decisions relevant.
Verified credibility signals
From verified badges to editorial reviews, we highlight companies that show real commitment to quality and transparency.
