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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 offers good value for cost with competitive pricing, as noted by multiple clients. They deliver projects on time and within budget, providing a range of services from backend development to mobile apps, with team sizes varying from 2-10 employees.

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

  • Room for Improvement in Openness to Suggestions

    While generally praised, some clients suggest that Diffco could benefit from being more open to exploring client suggestions, which could enhance their ability to deliver innovative solutions outside of their comfort zone.

  • Consistent Positive Feedback and Recommendations

    Diffco frequently receives positive feedback and recommendations from clients, showcasing their ability to deliver successful projects and build lasting partnerships.

  • Alignment with Client Values

    Clients often choose Diffco for their alignment with company values and culture fit, which fosters a positive working relationship and contributes to successful project outcomes.

  • Strong Project Management Skills

    Diffco's project management is lauded for its efficiency and reliability. Clients appreciate their ability to deliver on time, maintain regular communication, and adapt to client schedules and communication preferences, ensuring a smooth collaboration.

  • Entrepreneurial Mindset

    Clients appreciate Diffco's entrepreneurial approach, noting their ability to identify potential project gaps and provide strategic insights that enhance project outcomes and align with business goals.

  • Expertise in Mobile and Web Development

    Diffco's proficiency in mobile and web development is frequently praised, with clients noting their ability to deliver functional and user-friendly applications across various platforms, enhancing user experiences.

Diffco AI Reviews

Submit a Review
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Services
Project Cost
Industry
Location

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
    +1
  • $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. 

Web App for Investment Management Company

  • Custom Software Development Mobile App Development Web Development
  • Confidential
  • Feb. 2022 - Jan. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their flexibility in accommodating our needs was highly appreciated."

Apr 12, 2023
Manager, Investment Management Company
Anonymous
Verified
  • Financial services
  • San Francisco, California
  • Online Review
  • Verified

Diffco developed a web app for an investment management company. The app was designed to collect information to create performance reports that customers can use on their investment portfolios.

Showing 21-30 of 31 Reviews

Software Development Packages

From zero to hero with clear planning - a Discovery stage for Sofware development. Brainstorming, UI prototyping, PRD, RnD, Project Management, and other features included.

Small

$35,000 /total
  • Meetings/Brainstorming: Up to 24 hours
  • UX/UI Designer : By Client Request
  • QA: Part Time
  • Front-end/Mobile engineer
  • Back-end engineer

Large

$85,000 /total
  • Meetings/Brainstorming: Up to 64 hours
  • UX/UI Designer : Full Time
  • QA: Full Time
  • Front-end/Mobile engineer
  • Back-end engineer
Features

Small

$35,000

/total

Medium

$60,000

/total

Large

$85,000

/total

Meetings/Brainstorming

Up to 24 hours

Up to 48 hours

Up to 64 hours

UX/UI Designer

By Client Request

Full Time

Full Time

QA

Part Time

Full Time

Full Time

Front-end/Mobile engineer

Back-end engineer

Project Manager

Part Time

Full Time

Full Time

Business Analyst/Tech writer

By Client Request

Part Time

Full Time

DevOps

3rd Parties Integration

Payment Getaway Integrations

App Publishing to App Store & Play Market

Technical Documents Preparation

Data Science / Machine Learning

By Client Request

By Client Request

By Client Request

Automation Quality Assurance

By Client Request

By Client Request

Yes

Small

$35,000

/total

Meetings/Brainstorming

Up to 24 hours

UX/UI Designer

By Client Request

QA

Part Time

Front-end/Mobile engineer

Back-end engineer

Project Manager

Part Time

Business Analyst/Tech writer

By Client Request

DevOps

3rd Parties Integration

Payment Getaway Integrations

App Publishing to App Store & Play Market

Technical Documents Preparation

Data Science / Machine Learning

By Client Request

Automation Quality Assurance

By Client Request

Medium

$60,000

/total

Meetings/Brainstorming

Up to 48 hours

UX/UI Designer

Full Time

QA

Full Time

Front-end/Mobile engineer

Back-end engineer

Project Manager

Full Time

Business Analyst/Tech writer

Part Time

DevOps

3rd Parties Integration

Payment Getaway Integrations

App Publishing to App Store & Play Market

Technical Documents Preparation

Data Science / Machine Learning

By Client Request

Automation Quality Assurance

By Client Request

Large

$85,000

/total

Meetings/Brainstorming

Up to 64 hours

UX/UI Designer

Full Time

QA

Full Time

Front-end/Mobile engineer

Back-end engineer

Project Manager

Full Time

Business Analyst/Tech writer

Full Time

DevOps

3rd Parties Integration

Payment Getaway Integrations

App Publishing to App Store & Play Market

Technical Documents Preparation

Data Science / Machine Learning

By Client Request

Automation Quality Assurance

Yes

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.

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

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