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Your trusted software development partner

Diffco is a San Francisco-based company specializing in AI, custom software development, and staffing services. With more than 17 years of expertise in creating dependable solutions for mobile, web, and AI applications, it is committed to driving and supporting the growth of your business.

 

Why Diffco?


For your project development:

  • Min project size
    $25,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Locations
    San Jose, CA
  • Year founded
    Founded 2008
  • Languages
  • Timezones

1 Language that we service

  • English

4 Timezones that we service

CST
Central Standard Time (CST)
EST
Eastern Standard Time (EST)
MST
Mountain Standard Time (MST)
PST
Pacific Standard Time (PST)

1 Locations

  • San Jose , CA

No have been added yet...

    Pricing Snapshot

    Min. project size $25,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 4.9 /5

    What Clients Have Said

    Diffco offers good value for cost, with projects delivered on time and within budget. Clients appreciate their responsiveness and ability to align with project goals. While specific costs are not detailed, feedback indicates a strong culture fit and satisfaction with the quality of work provided.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $50,000 - $199,999 based on 28 reviews
    < $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

    Select a service to see pricing information

    Diffco Review Insights

    Overall Review Rating

    5.0
    • Quality 5.0
    • Schedule 4.9
    • Cost 4.9
    • Willing to Refer 5.0

    Top Mentions

    Review Highlights

    • Efficient Project Management

      Diffco is commended for their proactive project management style, delivering projects on time and within budget. Clients appreciate their responsiveness and efficient handling of project timelines and milestones.

    • High Client Satisfaction

      Feedback highlights Diffco's ability to meet or exceed client expectations, resulting in positive outcomes and successful project deliveries. Clients express strong satisfaction with the results and the quality of work provided.

    • Innovative and Adaptive Solutions

      Diffco is recognized for their innovation and ability to adapt solutions to client needs. They are proactive in providing creative ideas and suggestions to enhance project outcomes.

    • Strong Cultural and Value Alignment

      Clients often choose Diffco for their cultural fit and alignment with company values, which facilitates a more integrated and harmonious working relationship.

    • Comprehensive Service Offering

      Diffco's ability to handle a wide range of services, from UI/UX design to backend development and AI integration, is highly valued. This versatility allows them to manage complex projects effectively.

    • Areas for Improvement in Openness to Suggestions

      While Diffco is highly praised, one client suggested that being more open to exploring client suggestions could enhance their service, indicating a potential area for growth in flexibility.

    Diffco Reviews

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    Services
    Project cost

    AI Consulting & Dev for Landscape Design Platform

    • AI Consulting AI Development Application Management & Support
    • $50,000 to $199,999
    • Aug. - Nov. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Overall, the collaboration was excellent."

    Dec 8, 2025
    Executive, customscape.ai
    Anonymous
    Verified
    • Design
    • West Palm Beach, Florida
    • 1-10 Employees
    • Online Review
    • Verified

    Diffco provided AI consulting and SI for an AI-assisted landscape design platform. The team assisted the client in defining and launching the second version of their AI-powered landscaping product.

    Custom Software Development for Digital Logistics Platform

    • Custom Software Development
    • $50,000 to $199,999
    • July 2024 - Jan. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Diffco delivered high-quality work, met all expectations, and collaborated effectively."

    Mar 28, 2025
    CEO, Via.Delivery
    Mitchell Nikitin
    Verified
    • Information technology
    • Menlo Park, California
    • 11-50 Employees
    • Online Review
    • Verified

    Diffco provided backend development and third-party postal and shipping API integration for a digital logistics platform. They optimized backend systems and contributed to architectural decisions.

    Web & Mobile App Development for Testing Platform Company

    • Custom Software Development Mobile App Development Web Development
    • $200,000 to $999,999
    • May 2022 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Our collaboration has worked out perfectly fine."

    Jun 19, 2023
    VP of Customer Success, Performance Lab US
    Kamilla Hawkins
    Verified
    • Other industries
    • San Jose, California
    • 201-500 Employees
    • Online Review
    • Verified

    Diffco has developed web and mobile applications for a testing platform company. The team is responsible for the apps' design, development, and integration with real-time data feeds.

    Web & Software Dev for Cloud-Based Performance Testing Firm

    • Custom Software Development
    • $200,000 to $999,999
    • Nov. 2022 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Everything worked out perfectly."

    May 16, 2023
    CEO, PFLB
    Yurii Kovalov
    Verified
    • Other industries
    • Mountain View, California
    • 51-200 Employees
    • Online Review
    • Verified

    Diffco develops the backend and frontend components for a cloud-based performance testing firm. They design and implement a secure and scalable architecture and integrate APIs into existing systems.

    Custom E-Learning Platform for Coaching & Consulting Company

    • Custom Software Development Mobile App Development Web Development
    • $200,000 to $999,999
    • Jan. - Mar. 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The quality of their service is world-class."

    Apr 6, 2023
    CEO, Accountability Now
    Don Markland
    Verified
    • Other industries
    • Jacksonville, Florida
    • 1-10 Employees
    • Online Review
    • Verified

    A coaching and consulting company hired Diffco to build a custom e-learning platform for learners. The team also revamped the client's website and onboarding platform.  

    Website Redesign & Branding for Software Dev Company

    • Branding Web Design Web Development
    • $50,000 to $199,999
    • May 2020 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.0
    Cost
    4.0
    Willing to Refer
    5.0

    "The quality and consistency of the team make Diffco stand out over other vendors."

    Jan 10, 2023
    Executive, FlashGrid
    Anonymous
    Verified
    • Other industries
    • Sunnyvale, California
    • 11-50 Employees
    • Online Review
    • Verified

    Diffco has revamped a software development company's website and branding. They've built a Zendesk-based platform, set up AWS infrastructure for it, and created a custom help center for clients.

    iOS Mobile App Dev & Backend Dev for Vet Platform

    • Mobile App Development Web Development
    • $50,000 to $199,999
    • Jan. 2016 - Aug. 2017
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their extensive technical knowledge and expertise in mobile app development were very impressive."

    Nov 30, 2020
    Account Director, Phew! Inc
    Ruslana Golunova
    Verified
    • Other industries
    • Pleasanton, California
    • 11-50 Employees
    • Online Review
    • Verified

    Diffco built two iOS mobile apps for a pet healthcare platform, for vets and pets parents. Its features include examination forms, reminders, and more. They also developed the client's backend.

    Community Online Platform for Aviation Tech Company

    • Custom Software Development
    • $10,000 to $49,999
    • Dec. 2015 - Sep. 2017
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We were impressed by their market knowledge and product development skills."

    Nov 28, 2020
    Marketing Director, Aviation Company
    Anonymous
    Verified
    • Information technology
    • Torrance, California
    • 1-10 Employees
    • Online Review
    • Verified

    Diffco created an online platform for an aviation tech company. The team developed the web-based application, ERP, and backend. This solution allows end-users to book, schedule, pay, and more.

    Mobile App Development for Law Enforcer Mobile Ecosystem

    • Mobile App Development
    • $50,000 to $199,999
    • Feb. 2016 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "While working with Diffco, I felt like they were a part of our own team."

    Nov 16, 2020
    Co-Founder, L.E. Solutions
    Dimitri Popov
    Verified
    • Other industries
    • San Francisco, California
    • 1-10 Employees
    • Online Review
    • Verified

    A mobile eco-system for law enforcement partnered with Diffco in order to develop several mobile apps including a field sobriety test, a field investigation card, and pill detection test.

    Showing 1-10 of 31 Reviews

    Meet the Team

    Vadim Peskov

    Vadim PeskovCEO

    Vadim Peskov is the CEO and Co-Founder of Diffco, Advisor at Alchemist Accelerator and numerous startups. He is an expert and speaker who combines years of experience in AI-enhanced applications, Cybersecurity, VC and product design.

    Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

    Learn More
    Verified Client Reviews
    27
    Overall Review Rating
    5
    Source
    Clutch
    Last Updated
    December 8, 2025

    Business Entity

    Business Entity Name Diffco US, Inc.
    Source California Secretary of State
    Jurisdiction of Formation California
    Date of Formation January 27, 2015
    Status Active
    Last Updated February 26, 2025
    ID 3749327

    Credit Report Results

    International Credit Risk Assessment Low Risk
    Source Creditsafe
    Last Updated February 26, 2025
    Learn More About The Clutch Verification Process

    Locations (1)

    333 W San Carlos St #600 San JoseCA, United States 95110

    21 - 30

    Contact Diffco

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