System1 Tech Stack

Creative effectiveness testing platform for ad and innovation validation

Market Research London 51–200 employees Founded 1999 Public Company

System1 operates a creative testing platform—Test Your Ad, Test Your Innovation, and Test Your Brand—that uses emotional response data to predict ad and concept performance for major brands. The tech stack reveals a mature .NET/C# backend on Azure infrastructure with growing orchestration needs (adopting Kubernetes), while the hiring mix shows director-level expansion in research and sales alongside engineering, suggesting a move toward strategic account management and measurement rigor. Pain-point data points to onboarding friction and delivery velocity as internal constraints, not product gaps.

Tech Stack 29 technologies

Core StackPower BI .NET C# Selenium Postman SQL Server MySQL Docker Figma Azure DevOps Python HubSpot Adobe Creative Cloud Dynamics 365 Reqnroll NUnit xUnit MSTest Swagger Azure k6 Bicep Azure Container Apps PowerShell Bash

AdoptingAzure Kubernetes Service

What System1 Is Building

◆Challenges

Expanding strategic partnerships
Scaling product proposition
Measuring marketing effectiveness
Project delivery delays
Onboarding inefficiencies
Improving quality across products
Faster and safer delivery
Removing guesswork in marketing decisions
Adapting to rapid market research changes
Tackling product risks

▲Active Projects

Sales of marketing research and consultancy services for strategic u.s.-based accounts
Measurement trials
Marketing effectiveness thought leadership
Creative ip development
Ad testing process support
Client onboarding process coordination
Internal research project coordination
Product launches and promotional activity
Design system maintenance
Prototype experiments

Hiring Activity

Accelerating10 roles · 8 in 30d

Department

Research

Engineering

Sales

Design

Marketing

Ops

Seniority

Director

Mid

Senior

Manager

Notable leadership hires: Strategy Director, Key Account Director

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About System1

System1 is a publicly listed market research firm founded in 1999 and headquartered in London. The company sells creative testing and measurement solutions to large brands, with three core offerings: Test Your Ad (short- and long-term ad prediction), Test Your Innovation (concept validation), and Test Your Brand (brand health measurement). A complementary Expert Guidance service helps clients refine creative strategy. The business spans research, engineering, sales, and design teams across the United Kingdom, United States, and Brazil.

HeadquartersLondon

Company Size51–200 employees

Founded1999

Hiring MarketsBrazil, United States, United Kingdom

Frequently Asked Questions

What tech stack does System1 use?

System1 builds on .NET and C# with SQL Server and MySQL databases, deployed on Azure infrastructure including Docker, Kubernetes, and Azure DevOps. The stack includes Power BI for analytics, HubSpot for sales, and Dynamics 365 for operations.

What is System1 working on?

Current priorities include scaling the product proposition, improving onboarding and delivery speed, expanding strategic US partnerships, strengthening measurement methodologies, and launching design system and prototype experiments to validate new features.

How this profile is built

System1's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.