Name: Diffco US Inc
Address: 333 W San Carlos St Suite #600, San Jose, California, USA
Price range: $50-$99/hr
Rating: 5.0

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4.8 out of 5, based on 34 real reviews.

Rankings updated: Feb 06, 2026

Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.

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Hourly Rates

Undisclosed < $25 $25-$49 $50-$99 $100-$149 $150-$199 $200-$300 $300 <

Diffco US Inc

5.0 (12 Reviews)

Claimed by Official Representatives

5.0 (12 Reviews)

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided

Expertise Distribution (%)

20% Software Development
20% Mobile App Development
20% Web Development
10% Ecommerce Development
10% IT Services
10% AI Development
10% Cloud Computing Services

Reliable Mobile&Web development partner

Diffco is a Silicon Valley–based software development company providing businesses with dedicated teams of senior developers to accelerate product success. With over 16 years of experience in mobile app development, web development, and AI solutions, we deliver secure, scalable software tailored to business goals. Our award-winning team emphasizes clear communication, reliability, and long-term partnerships. From product ideation and UX strategy to advanced technical implementation, ongoing development, and support, Diffco manages the full product lifecycle—helping startups and enterprises launch faster, scale efficiently, and stay competitive in evolving markets. Why Diffco? Client-driven approach; Transparent processes and billing; Always clear communications with you about everything; Only dedicated project teams with no cross-project sharing; Detailed reporting and deliverables. Elevate your business with Diffco experts. Let’s chat and get you on the new journey to success.

View Diffco US Inc Profile

$50-$99/hr

Hourly Rate

$50,000+

Min. Budget Size

10 - 49

Team size

California, USA

Location

Verified Client Review

Mobile App and Backend Development for MedTech Client

Reviewed by: Julia Platova, VP of Strategic Partnerships View all 12 Reviews

Radixweb

0.0 (0 Reviews)

Claimed by Official Representatives

0.0 (0 Reviews)

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided

Expertise Distribution (%)

40% Software Development
20% AI Development
10% Ecommerce Development
10% Mobile App Development
10% Web Development
10% IT Services

Empowering Digital Intelligence Since 2000

Radixweb is a global product engineering company enabling digital intelligence through AI, Data, and Cloud innovation. Founded in 2000, we’ve spent over 25 years empowering enterprises and fast-growing startups to engineer intelligent, scalable, and secure software solutions. With 4,200+ projects delivered for 3,000+ clients across 25+ countries, our experts combine deep engineering precision with modern capabilities in Generative AI, Business Intelligence, and Data Analytics to turn complex ideas into measurable business impact. We serve a wide range of industries, including healthcare, fintech, retail, manufacturing, travel, hospitality, and e-commerce, delivering technology that accelerates decisions, optimizes operations, and drives growth. From enterprise modernization and cloud migration to building AI-driven platforms and predictive systems, Radixweb combines innovation with proven delivery. We are a Microsoft Gold Partner, three-time Clutch award winner, and ranked among the top 100 global outsourcing companies by IAOP®, with 97% of revenue coming from repeat clients, reflecting our commitment to client success. At Radixweb, we continue to redefine how businesses build and scale in the era of digital intelligence, creating value-driven partnerships that unlock potential and enable sustainable growth.

See all 1+ Portfolios

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Hourly Rate

$25,000+

Min. Budget Size

500 - 999

Team size

California, USA

Location

Kanda Software

4.7 (10 Reviews)

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website

Services Provided

Expertise Distribution (%)

25% Software Development
15% Mobile App Development
15% Web Development
15% IT Services
10% Web Design
10% AI Development
10% Product Engineering services

Software Design, Engineering and Support

Kanda is a trusted full-service software engineering and digital transformation partner helping businesses rapidly deliver high-quality SaaS, mobile, and on-premises solutions. We combine deep domain expertise, senior engineering talent, and rigorous QA practices to build secure, scalable, and market-ready software. As a U.S.-based company with a long-standing reputation, we prioritize IP protection, compliance, and delivery excellence on every engagement. Our agile teams work closely with clients to accelerate development timelines, reduce risk, and turn software into a true competitive advantage that supports long-term growth and innovation.

View Kanda Software Profile

$50-$99/hr

Hourly Rate

$10,000+

Min. Budget Size

250 - 999

Team size

California, USA

Location

Verified Client Review

Web App Design & Development for Education Company

Reviewed by: Sarah Gannon, Co-Director at Crafting Minds Group View all 10 Reviews

Saritasa

4.8 (3 Reviews)

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website

Services Provided

Expertise Distribution (%)

40% Software Development
20% Ecommerce Development
20% Mobile App Development
10% Web Development
10% CMS

Builders of Better

Saritasa is a custom software development company creating intelligent, scalable technology solutions that streamline complex business operations and enhance user experiences. With nearly 20 years of industry expertise, Saritasa specializes in designing and building high-performance software systems that drive efficiency and long-term value. Their mission is to help organizations work smarter, move faster, and build better digital products for a more innovative future.

View Saritasa Profile

$100-$149/hr

Hourly Rate

$50,000+

Min. Budget Size

50 - 249

Team size

California, USA

Location

Verified Client Review

Custom Web Portal Redesign for Software Dev Company

Reviewed by: Kamil Asfour, CTO at Pangea View all 3 Reviews

Urban Insight

4.8 (3 Reviews)

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided

Expertise Distribution (%)

30% Software Development
50% Web Development

Web Strategy, Design & Development

Urban Insight champions your mission-focused organization by creating custom, user-friendly, fast, and flexible websites and applications that supercharge your growth. Established in 2000, we’ve successfully completed and launched over 500 projects for a wide range of clients, including Los Angeles County Museum of Arts (LACMA), The Broad, National WWI Museum & Memorial, American Library Association, The Huntington, USC, UCLA, City of Los Angeles, Department of Energy, and Kennedy Wilson. We’ve earned recognition and awards, including 2023 Ed Tech Awards Finalists, and American Planning Association awards for Smart Cities and Innovative Use of Technology.

View Urban Insight Profile

$150-$199/hr

Hourly Rate

$50,000+

Min. Budget Size

10 - 49

Team size

California, USA

Location

Verified Client Review

UI/UX Design for Museum

Reviewed by: Yoko Nishimura, Project Manager at Japanese American National Museum View all 3 Reviews

Perfection Geeks

4.8 (5 Reviews)

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website

Services Provided

Expertise Distribution (%)

5% Software Development
10% Mobile App Development
10% Web Development
10% Web Design
10% Blockchain Development
10% Internet of Things
10% AI Development
10% Product Engineering services
10% Cloud Computing Services
5% Digital Marketing
5% Digital Transformation
5% CMS

Marketing Perfectionists Delivering Exceptional Results Every Time

Perfection Geeks is committed to providing value-driven technological solutions aimed at transforming businesses and facilitating their growth. The company emphasizes its ability to implement significant changes that enable clients to achieve desired outcomes, backed by a team that operates with confidence and expertise. Central to their philosophy is a focus on innovation, which they believe is essential for delivering top-notch technological solutions. This proactive approach has been instrumental in shaping the company's current position in the market. Perfection Geeks assists businesses in establishing their brand identities and aligning with their core values, thereby enabling them to navigate competitive landscapes effectively. Their commitment to simplicity and uniqueness has proven valuable, helping clients overcome challenges and advance in their respective industries. Furthermore, the company offers multidisciplinary technological solutions and agile strategies designed to enhance business development and provide a competitive advantage. By inviting collaboration, Perfection Geeks aims to alleviate the challenges faced by their clients, reinforcing their role as a supportive partner in the business landscape.

View Perfection Geeks Profile

< $25/hr

Hourly Rate

$1,000+

Min. Budget Size

50 - 249

Team size

California, USA

Location

Verified Client Review

A Cryptocurrency Company's Mobile App

Reviewed by: Rosy Mathew, Managing Director at Cryptocurrency Company View all 5 Reviews

Code Garage Tech

0.0 (0 Reviews)

Claimed by Official Representatives

0.0 (0 Reviews)

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website

Services Provided

Expertise Distribution (%)

10% Software Development
30% CMS
10% Ecommerce Development
10% Mobile App Development
10% Web Development
10% Web Design
10% IT Services
10% AI Development

CRM Development Company

At Code Garage Tech, we simplify your marketing, sales, and customer support with our expert CRM development services. As a leading CRM development company, we offer seamless solutions for customer tracking, purchase history, and contact management.

View Code Garage Tech Profile

$25-$49/hr

Hourly Rate

$10,000 - $10,000

Min. Budget Size

10 - 49

Team size

California, USA

Location

Datanetiix Solutions, Inc.

5.0 (1 Reviews)

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website

Services Provided

Expertise Distribution (%)

10% Software Development
20% Mobile App Development
20% Web Development
10% Ecommerce Development
10% Web Design
10% Digital Transformation
10% AI Development
10% CMS

MS Dynamics, Salesforce, Customized Apps Mob/Web

With offices in the Americas, Europe, South Africa, Australia, Singapore, and India, Datanetiix has a global footprint. Furthermore, we have development centers for business and project management in California, New York/New Jersey, and Chennai, India's Center of Excellence and Research Lab. We adhere to industry best practices, and the majority of our project managers hold Agile and Scrum certifications from PMI. We are a technology and consulting partner offering useful business solutions. We provide end-to-end services in Microsoft Dynamics, Salesforce, Business Solutions (CRMs and ERPs), as well as collaboration tools, custom application development (web and mobile apps), mobility solutions, and quality assurance. We advance using cutting-edge technologies like blockchain, AI, IoT, and data streaming.

View Datanetiix Solutions, Inc. Profile

$25-$49/hr

Hourly Rate

$5,000+

Min. Budget Size

50 - 249

Team size

California, USA

Location

Verified Client Review

Custom App Dev for Software Consulting Business

Reviewed by: Richard Valenta, CEO at Software Dev & Consulting Company View all 1 Reviews

Smith Consulting

0.0 (0 Reviews)

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website

Services Provided

Expertise Distribution (%)

20% Software Development
20% Web Development
20% Digital Marketing
20% IT Services
20% Cloud Computing Services

Powering smarter eCommerce through innovation and expertise.

Founded in 2001, Smith Consulting is a trusted leader in DNN, Orchard, and WordPress eCommerce development and ERP integration solutions. With over 25 years of combined experience in software engineering and payment processing, we deliver secure, scalable, and customized platforms that optimize online sales, streamline transactions, and drive business growth worldwide.

View Smith Consulting Profile

$100-$149/hr

Hourly Rate

$10,000+

Min. Budget Size

10 - 49

Team size

California, USA

Location

Technossus

0.0 (0 Reviews)

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website

Services Provided

Expertise Distribution (%)

10% Software Development
20% Mobile App Development
20% Web Development
20% IT Services
10% Digital Transformation
10% AI Development
10% Cloud Computing Services

Enterprise Growth Consultants

Technossus is a tech development and consulting company that helps businesses expand by maximizing their operational technologies, boosting sales, and enhancing customer satisfaction. We have been offering top-notch business consulting and enterprise software development services for more than 16 years. We assist global innovators get real-world returns on their technology investments by using data and analytics.

View Technossus Profile

$150-$199/hr

Hourly Rate

$25,000+

Min. Budget Size

250 - 999

Team size

California, USA

Location

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Diffco US Inc

Reliable Mobile&Web development partner

Radixweb

Empowering Digital Intelligence Since 2000

Kanda Software

Software Design, Engineering and Support

Saritasa

Builders of Better

Urban Insight

Web Strategy, Design & Development

Perfection Geeks

Marketing Perfectionists Delivering Exceptional Results Every Time

Code Garage Tech

CRM Development Company

Datanetiix Solutions, Inc.

MS Dynamics, Salesforce, Customized Apps Mob/Web

Smith Consulting

Powering smarter eCommerce through innovation and expertise.

Technossus

Enterprise Growth Consultants

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