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Your trusted AI software development partner

Diffco is a San Francisco-based AI-first software engineering partner for growth-oriented teams. We embed senior engineers and product strategists who turn AI vision into shipped, revenue-driving products. Our team has spent the last 18 years building: SaaS platforms, web&mobile apps, and now AI-native systems for best startups to top U.S. enterprises in healthcare, finance, and other regulated industries. Products we developed are used by renowned companies such as American Express, Starbucks, Whole Foods, Mars, and many successful startups like Maze, Happier, and Legion Farm, among many others.

  • Min project size
    $25,000+
  • Hourly rate
    $100 - $149 / 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

Select Focus Area
Application Platforms
Amazon Application Development Framework
45%
Azure Platform
20%
Linux server
5%
AI Agent Development Focus
AI Agent Frameworks
40%
AI Agent Platforms & Builders
40%
Voice AI Agents
20%
AI Agent Purpose Focus
Business Intelligence AI Agents
10%
Coding & Development AI Agents
10%
Customer Service AI Agents
10%
Digital Workers AI Agents
10%
Finance AI Agents
10%
General Purpose AI Agents
10%
Image Creation AI Agents
10%
Productivity AI Agents
10%
Sales & Lead Generation AI Agents
10%
Workflow AI Agents
10%
AI Platform Integration Focus
Google Workspace AI Integration
25%
Salesforce AI Integration
25%
Hubspot AI Integration
20%
Gumloop AI Integration
15%
Notion AI Integration
15%
AI Technologies & Models
Anthropic
30%
Open AI GPT-3
25%
Open AI Dall-E 2
15%
Stable Diffusion
15%
Hugging Face Bloom
10%
Deepmind Gopher
5%
CMS Focus
Adobe Experience Manager CMS
25%
Frameworks and CMS
Other frameworks and CMS
5%
Programming & Scripting
Python
20%
Typescript
15%
Java
10%
Go
5%
Industries
Business services
25%
Medical
25%
Consumer products & services
10%
Education
10%
Financial services
10%
Manufacturing
10%
Supply Chain, Logistics, and Transport
10%
Clients
Midmarket ($10M - $1B)
45%
Enterprise (>$1B)
35%
Small Business (<$10M)
20%
Certified in:
AI Development

Pricing Snapshot

Min. project size $25,000+
Avg. hourly rate $100 - $149 /hr
Rating for cost 4.9 /5

What Clients Have Said

Diffco AI provides good value for cost, with clients noting their pricing fits budgets and their work is delivered on time and within budget. Many reviews highlight the efficient project management and quality of deliverables, suggesting a strong return on investment.

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 AI 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

  • Proactive Problem Solving

    Diffco AI is proactive in identifying potential issues and suggesting solutions before they escalate. Their problem-solving capabilities are valued by clients, who note their ability to foresee challenges and address them effectively.

  • Some Suggestions for Improvement

    While generally praised, a few clients suggested that Diffco AI could benefit from being more open to exploring new ideas outside their comfort zone. This could enhance their adaptability and innovation in future projects.

  • Strong Technical Expertise

    Diffco AI consistently demonstrates strong technical expertise across various domains, such as AI, mobile app development, web applications, and backend systems. Clients appreciate their ability to handle complex projects with precision and deliver high-quality solutions.

  • High-Quality Deliverables

    Clients report receiving high-quality deliverables from Diffco AI, with projects meeting or exceeding expectations. Deliverables are often noted for their robustness, performance, and user-friendly design.

  • Innovative Solutions

    Diffco AI is recognized for their innovative approach to project development. Clients appreciate their ability to develop sophisticated solutions that address complex challenges, often enhancing the overall project outcome.

  • Excellent Communication Skills

    Diffco AI is praised for their clear and consistent communication. They maintain transparency through regular meetings, progress reports, and responsive updates, ensuring clients are always informed and aligned with project developments.

Diffco AI Reviews

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Services
Project Cost
Industry
Location

Custom Software Dev for Security Tech Company

  • Custom Software Development
  • Azure Platform Load Testing
  • $50,000 to $199,999
  • Apr. 2023 - Ongoing
5.0
Quality
4.5
Schedule
4.0
Cost
5.0
Willing to Refer
5.0

"Their unique ideas and great management style were impressive."

Jun 6, 2024
VP of Design & Integration, Good2Go Inc
Pete Gualfetti
Verified
  • Other industries
  • South San Francisco, California
  • 11-50 Employees
  • Online Review
  • Verified

Diffco has provided custom software development for a security tech company. This has included utilizing an advanced tech stack, offering annual technical support, and handling new feature integration.

Staff Augmentation & Recruiting for Startup Consulting Co

  • IT Staff Augmentation Recruiting
  • Confidential
  • Feb. 2024 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Diffco's project management is excellent."

Jun 3, 2024
CEO, Palo Alto Consulting
Daria Kuk
  • Other industries
  • Sunnyvale, California
  • 11-50 Employees
  • Online Review

Diffco provides recruiting and staff augmentation services for a startup consulting company. The team recruits professionals for the client's customers' startups to assist with software development projects.

Recruiting Services for Digital Design Company

  • Recruiting
  • $50,000 to $199,999
  • Aug. 2023 - Jan. 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their responsiveness to our needs was impressive."

Apr 30, 2024
CEO, Digital Design Company
Anonymous
Verified
  • Other industries
  • Petah Tiqva, Israel
  • 11-50 Employees
  • Online Review
  • Verified

Diffco managed the hiring process for a digital design company. This included selecting and evaluating candidates and setting up interviews.

Custom Mobile App Development for Restaurant Chain

  • Mobile App Development
  • $50,000 to $199,999
  • July - Oct. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"I was impressed with their ability to tailor the solution precisely to our needs while delivering on time."

Apr 10, 2024
COO, Restaurant Chain
Anonymous
Verified
  • Food & Beverage
  • Palo Alto, California
  • 11-50 Employees
  • Online Review
  • Verified

A restaurant chain tapped Diffco for mobile app development support. The team built a custom delivery app to help improve the client's customer service.

Staff Augmentation Services for B2B SaaS Data Platform

  • Custom Software Development IT Staff Augmentation UX/UI Design
  • $200,000 to $999,999
  • Feb. - Dec. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The most impressive part was the fast speed and the quality of the candidates they provided."

Apr 4, 2024
Group Marketing Manager, B2B SaaS Data Platform
Anonymous
Verified
  • Other industries
  • Los Angeles, California
  • 11-50 Employees
  • Online Review
  • Verified

Diffco provided staff augmentation services for a B2B SaaS data platform. The team provided UI/UX design and CMS development support, allowing the client to start and launch their project on time.

UI/UX Design, Web & Mobile App Dev for Bar Software Company

  • Mobile App Development UX/UI Design Web Development
  • $50,000 to $199,999
  • May 2023 - Ongoing
5.0
Quality
5.0
Schedule
4.5
Cost
5.0
Willing to Refer
5.0
"Their unique ideas and willingness to help are impressive."
Dec 27, 2023
Founder, TabsApp, Inc
Christopher Villamarin
Verified
  • Other industries
  • Boston, Massachusetts
  • 1-10 Employees
  • Online Review
  • Verified

Diffco provides UI/UX design and web and mobile app development for a bar software company. The team has designed a platform's UI/UX, built a prototype for investors, and developed mobile and web platforms.

Mobile App Development for Software Company

  • Custom Software Development Mobile App Development
  • PHP Swift
  • $50,000 to $199,999
  • Nov. 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"We love working with them and will continue to do so."
Nov 3, 2023
Co-Founder, Software Company
Anonymous
Verified
  • Other industries
  • New York City, New York
  • 1-10 Employees
  • Online Review
  • Verified

Diffco has helped a software company develop a mobile application. The team has built the front- and backend of the app, as well as the admin panel.

Mobile App Dev for Social Media Platform

  • Mobile App Development
  • Confidential
  • Nov. 2022 - Apr. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"We are totally satisfied with the service provided."

Jul 2, 2023
Co-Founder, Social Media Platform
Anonymous
  • Other industries
  • Manhattan, New York
  • 1-10 Employees
  • Online Review

Diffco designed and developed an iOS app for a social media platform. They developed wireframes, outlined the app's structure, and built it from scratch.

Custom Software Dev for Blockchain Company

  • Blockchain Custom Software Development Web Development
  • $200,000 to $999,999
  • Oct. 2022 - Mar. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The team paid close attention to details and ensured that the final product not only worked well but also looked good."

May 15, 2023
Executive, Simiotics Inc.
Anonymous
  • Other industries
  • Palo Alto, California
  • 11-50 Employees
  • Online Review

Diffco provided software development services for a blockchain company. They developed the backend and integration of a fintech product with integrated cryptocurrency features.

Development Services for Executive Programs Company

  • AI Development Custom Software Development
  • $200,000 to $999,999
  • Jan. 2019 - Feb. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their communication skills and time management were impressive." 

Apr 28, 2023
CIO, Globalize
Pavel Shpin
Verified
  • Other industries
  • Menlo Park, California
  • 1-10 Employees
  • Online Review
  • Verified

An executive programs company hired Diffco to strengthen their brand reputation and sustain long-term success. To do that, the team served as the client's vendor for computer vision and OCR services. 

Showing 21-30 of 32 Reviews

Our Story

We started Diffco on a simple belief: great software comes from teams who think like product owners and hold a senior bar from day one. From our Silicon Valley base we build AI-native products — agents, copilots, and full systems — for teams in healthcare, fintech, and beyond. Clear communication, product-oriented thinking, and AI-first engineering aren't perks here; they're how we ship.

Meet the Team

Vadim Peskov

Vadim PeskovCEO

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, CV, Cybersecurity, statups and product design.

Eugene Nasonov

Eugene NasonovCTO

Eugene sets Diffco's technical direction and owns the engineering bar that clients hire us for. Over nearly two decades he's architected production systems across SaaS, mobile, enterprise, and AI-native products.

Paul Shpin

Paul ShpinVP of Engineering

Paul brings 25 years of engineering and entrepreneurial leadership to Diffco. A systemic architect and battle-tested founder behind many statups, he focuses on building resilient, scalable platforms.

Marko Karovic

Marko KarovicPMO

Marko a highly skilled PMO, has a strong track record delivering projects across Med-Tech, e-commerce, IoT, telecom, and machine learning. Tech-savvy and adaptable, he excels at driving results in complex, fast-paced environments.

What Sets Us Apart

Production-Ready AI Engineering

Senior engineers and AI agents in one delivery loop, with human review at every gate.

Product owners, not vendors

We start from your goals, challenge assumptions, and ship what moves the metric.

Senior teams, no junior bench

Top 1% engineers from day one, direct access, the engineer who scopes it ships it.

Premier Verified means Clutch independently confirmed Diffco AI is a legally registered business,
financially sound (Creditsafe: Low Risk), and backed by 28 verified client reviews averaging 5.0 stars.

Learn More
Verified Client Reviews
28
Overall Review Rating
5
Source
Clutch
Last Updated
September 17, 2026

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

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