SegmentStream
Techstars '18London, GB · Founded 2018 · 11 employees on LinkedIn · 2 known investors
SegmentStream provides an independent marketing measurement platform that combines cross-channel attribution, identity resolution, incrementality testing, and automated budget allocation to help brands measure ad performance and optimize spending. The platform is designed for marketing teams and finance departments at brands that spend on advertising, operating independently from ad platforms.
Founders & leadership
SegmentStream was founded in 2018 by Oleg Katryshev.
OK
Oleg KatryshevinFounder
Investors · 2
Competitors · 10
by search overlap
Improvado181 shared keywordsImprovado offers a marketing data platform with partnership programs for technology and solution providers, connecting marketing data sources to BI tools, data warehouses, and visualization platforms. It serves marketers and analytics teams building modern data architecture, working with technology partners and consulting/implementation firms.
Funnel161 shared keywordsFunnel is a marketing data platform that connects to 600+ advertising, analytics, and sales sources to centralize, clean, and govern marketing data for delivery to warehouses, BI tools, and AI/agentic workflows. It serves marketers, data teams, and agencies with data centralization, marketing measurement (MMM, MTA, incrementality testing), and reporting tools.
HockeyStack114 shared keywordsHockeyStack provides multi-touch attribution and marketing analytics software that tracks buyer journeys across online and offline channels, serving B2B marketing and sales teams. The platform enables revenue teams to measure campaign effectiveness, forecast pipeline growth, and optimize go-to-market strategy through unified data integration and AI-powered scoring.
Marketing Evolution111 shared keywordsMarketing Evolution provides a marketing intelligence platform, called the Substrate, that uses econometric methods to measure marketing performance, incrementality, and person-level insights without cookies or identity graphs. It serves marketing teams seeking to plan, measure, and optimize their marketing investments.
Amplitude110 shared keywordsAmplitude provides an AI analytics platform that helps companies understand customer behavior and make data-driven product decisions. The platform serves product and engineering teams across enterprises looking to optimize user experience and digital innovation.
AppsFlyer106 shared keywordsAppsFlyer provides a marketing measurement and attribution platform that collects validated, fraud-filtered signals across app, web, CTV, PC, and console to feed AI-driven marketing decisions. It offers deep linking, real-time fraud protection, and cross-platform data infrastructure for brands running performance marketing.
Keen Decision Systems105 shared keywordsKeen is a SaaS platform that helps marketing leaders at Fortune 500 and other companies use data and decision-science algorithms to guide marketing spend decisions and measure their impact on revenue, profitability, and long-term brand value. It serves brand and marketing executives in the marketing technology and analytics category.
Rockerbox102 shared keywordsRockerbox is a marketing measurement platform that combines multi-touch attribution (MTA), marketing mix modeling (MMM), and incrementality testing on a centralized, SOC2-certified data foundation. It helps brands measure channel performance across digital, offline, paid, and organic marketing and make budget allocation decisions.
Prescient95 shared keywordsPrescient AI provides a media mix modeling platform that measures the direct and halo effects of each marketing channel and offers budget optimization, predictive forecasting, and saturation-curve analysis. It serves omnichannel advertisers and brands looking to allocate ad spend and maximize ROAS, with models that retrain daily on connected ad, analytics, and revenue data.
Measured92 shared keywordsMeasured is an AI-powered marketing effectiveness platform that combines causal incrementality experiments with media mix modeling to help enterprise brands measure and optimize media spend across channels. It offers applications for incrementality testing, MMM, media plan optimization, cross-channel reporting, and peer benchmarking.
Companies competing with SegmentStream for the same Google search keywords, organic and paid, via search-intersection analysis.
Companies House · registry record
View on Companies House ↗- Registered name
- SEGMENTSTREAM LTD
- Company number
- 11472676
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 Jul 2018
- Registered office
- 66 Paul Street, London, EC2A 4NA
- Nature of business (SIC)
- 62090 — Other information technology service activities
- Accounts
- last made up to 31 Jul 2025 · next due 30 Apr 2027
- Confirmation statement
- last made up to 18 Jul 2025 · next due 1 Aug 2026
Current officers · 2
- Pavel Piatrynich — director, appointed 8 Nov 2021
- Constantine Yurevich — director, appointed 19 Jul 2018
Source: Companies House public register · retrieved 24 Jul 2026. Contains public sector information licensed under the Open Government Licence v3.0.
In the news
Frequently asked questions
- What does SegmentStream do?
- SegmentStream provides an independent marketing measurement platform that combines cross-channel attribution, identity resolution, incrementality testing, and automated budget allocation to help brands measure ad performance and optimize spending. The platform is designed for marketing teams and finance departments at brands that spend on advertising, operating independently from ad platforms.
- Who founded SegmentStream?
- SegmentStream was founded by Oleg Katryshev in 2018.
- Who are SegmentStream's investors?
- SegmentStream's investors include R136 Ventures, Techstars.
- Where is SegmentStream headquartered?
- SegmentStream is headquartered in London, GB.