Symphony partners with best-in-class startups and tech companies

In each stage of the funding life cycle to launch products across industries

As a preferred partner for world class universities, startup incubators, and venture capital firms, Symphony works with the fastest growing startups. Startups Symphony has been working with have raised $12.5B in funding leading to a number of meaningful exits with over $4.5B of acquisition value.

We specialize in delivering end-to-end solutions while easily scaling up or down with our flexible resources. Our leadership team is deeply integrated into the Stanford ecosystem, and we have worked with over 30+ GSB founders and startups, including Fathom, Epinomics, d.light, and Rhumbix while some of our most recent partnerships include Karate Combat.

Symphony accelerates startups towards their vision from incubation to Series D and beyond

In the last decade, we’ve helped our clients launch 200+ new products across multiple industries

Opportunity Identification
  • Design Thinking workshops and technical concepts
  • Quantitative and qualitative analyses
  • Primary and secondary research
  • Ideation and product strategy definition
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Product Discovery
  • Discovery sprint
  • Wireframes and product prototypes
  • Solution architecture design
  • Initial product roadmap and high-level system capabilities
  • User research and testing
  • Time and cost estimation
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Development and Delivery
  • Custom product development
  • Integration with third-party systems
  • High-fidelity designs
  • Continuous product discovery, research, and validation
  • Refactoring and migration
  • Quality assurance, usability testing, and user feedback
  • Infrastructure setup and maintenance
Commercialization and Growth
  • Data collection and analytics
  • Product growth strategy
  • Primary and secondary research
  • Continuous validation
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Let's Work Together

Contact us today to learn more about the benefits of our tailored Startup engagement model

Quick overview of some of our startup experience


Reduced costs by over 25% for a fleet of 100+ aircraft

For a private charter flights marketplace, developed ML models that utilize historical and real-time data to forecast flight demand, minimize aircraft downtime, and optimize charter flight routes


Built a player of 360° panoramic videos acquired by Amazon

For a startup manufacturing 4K panoramic view cameras, built a web-based player of 360° panoramic videos using a video playback technology enabling partnership with big players like FOX Sports and National Geographic


Design and solution architecture for 20+ applications

For a Series A smart glasses manufacturer, developed a software ecosystem for award-winning AR smart glasses expanding target markets for a former military contractor leading to $58M in funding

5 days

Built a connectivity PoC in 5 days

For a coffee-making appliances and related accessories Series B startup, building an IoT platform and mobile app that will enable smart home and e-commerce platform integration, as well as marketing and content management


25% increase in booking conversion during peak periods

For a Series C online campsite marketplace, developed and implemented a machine learning (ML) - based recommender system algorithm to improve similar listing recommendations and real-time personalization in search ranking


Doubled the customer satisfaction rate for 60K customers just in NYC

For a Series D prescription drug delivery provider, refactored the core platform to develop a new abstraction layer that would enable the company to work with a larger and more diverse set of pharmacy partners


Provided 100M+ people in 70 countries with access to affordable solar energy

For a Series E global solar energy provider, built an inventory and payment management platform including a portal for administrative and customer support with 24/7 on call support


Increased the number of yearly vehicle sales by 37% compared to the previous year

For the largest US online auto retailer, enabled enrichment of inventory listings with multi-source vehicle data while increasing conversion through more engaging shopping experiences

We create a culture of partnership

Words from our partners

The future of impactful technology work will be driven by dedicated, distributed teams. You don't need a big in-house team to do great work, but you do need a deep partnership you can count on.

About Symphony

Over 650+ full-time employees
Built 200+ products
Working with 8 of Fortune’s Most Admired Brands of 2022
Working with 2 of the 3 largest tech companies
3 years without an unplanned client disengagement
< 10% attrition rate

Let's Work Together

We’ve helped 100+ startups launch and scale. Contact us today to learn more about the benefits of our engagement model for startups.
Muamer Cisija

Muamer Cisija, ex-Morgan Stanley, Stanford MBA

Co-founder and President

at Symphony San Francisco

Dan Lau

Dan Lau, ex-BCG DV

VP, Head of Business Development

at Symphony Los Angeles

Katharina Pfaffhauser

Katharina Pfaffhauser, ex-McKinsey, Stanford MBA

Chief Business Officer

at Symphony Zurich