Hull
Hull is a real-time Customer Data Platform unifying, transforming, and synchronizing customer data across 100+ SaaS tools via bidirectional sync for mid-market B2B companies. Founded in 2013 in Atlanta, it was acquired by MessageBird in 2021 and no longer accepts new customers.
- Company typePrivate
- Founded2013
- HeadquartersAtlanta, United States
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What Hull does
Hull was a real-time Customer Data Platform (CDP) that unified, transformed, and synchronized customer data across multiple SaaS tools and data warehouses with bidirectional real-time data flows. Founded in 2013 and headquartered in Atlanta, the company served mid-market to enterprise B2B SaaS companies that needed to break down data silos between CRM, marketing automation, sales engagement, and analytics tools. The platform was designed to be managed by marketing and sales operations teams without requiring dedicated data engineering resources.
The core product architecture combined a CDP engine with specialized components: identity resolution (reconciling customer identities across systems, merging anonymous and known user data), real-time segmentation (instant audience building from attributes and events), a JavaScript-based Processor for data transformation and custom lead scoring, Hull.js for cross-domain website tracking, unified customer profiles (360-degree customer views), and bidirectional sync across 100+ native integrations. Integrations spanned CRM (Salesforce, HubSpot, Pipedrive), marketing automation (Intercom, Outreach, Marketo, Customer.io, Mailchimp), data warehouses (Snowflake, BigQuery, PostgreSQL), enrichment (Clearbit, Datanyze), and workflow automation (Zapier, Segment).
Hull operated on a subscription SaaS revenue model with tiered plans, supported by a product-led growth motion with sales-assisted engagement for larger deployments. Named customers included Appcues, Gorgias, Pusher, Drift, Mention, Lengow, Privateaser, ConversionXL, Oz Content, Pollfish, Criteria Corp, Myagi, Paddle, Spendesk, and HashiCorp, with reported customer outcomes such as a 70% sales conversion lift at Appcues, a 2000% MQL increase at Oz Content, and a 30% cold outbound reply rate at Paddle. The company raised approximately $5.3M across funding rounds from 2013 to 2018, with investors including Newfund, Serena, Alven, Point Nine, Right Side Capital Management, and Techstars. Hull was acquired by MessageBird in 2021 and is no longer accepting new customers on Hull.io, with the platform maintained for existing customers as part of MessageBird's communications product portfolio.
Hull firmographics
Firmographics- Name
- Hull
- Legal name
- Hull
- Website
- https://hull.io
- Company type
- Private
- Founded year
- 2013
- Operating status
- Acquired
- Headcount range
- 11–50 employees
- Short description
- Hull is a real-time Customer Data Platform unifying, transforming, and synchronizing customer data across 100+ SaaS tools via bidirectional sync for mid-market B2B companies. Founded in 2013 in Atlanta, it was acquired by MessageBird in 2021 and no longer accepts new customers.
- Ownership category
- akta.pro rank
Where Hull is headquartered
LocationHeadquarters
- HQ city
- Atlanta
- HQ country
- United States
- HQ region
- North America
Markets served
Hull business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Operations, Marketing or Sales, Infrastructure
Revenue model
- Subscription SaaS: Subscription-based pricing model for access to the customer data platform, with plans offering different feature levels and data volumes. The platform is no longer accepting new customers as Hull has been acquired by MessageBird.
Go-to-market motion1 record
Distribution channels3 records
Marketing channels6 records
Hull product offering
Product offeringCore offering
Hull is a real-time Customer Data Platform that collects, unifies, and enriches customer data from product, marketing, and sales tools, then synchronizes it bidirectionally across the entire martech stack. The platform combines identity resolution, unified customer profiles, real-time segmentation, and a server-side JavaScript Processor, supported by 100+ native integrations and APIs. It is positioned for B2B SaaS mid-market and enterprise go-to-market teams that need to operationalize customer data without dedicated data engineering resources.
Product overview
Hull is a real-time Customer Data Platform (CDP) designed for mid-market go-to-market teams. The platform is built as a unified system that combines a core CDP engine with specialized components: Hull Processor (real-time JavaScript-based data transformation), Hull.js (website tracking and cross-domain visitor identification), Identity Resolution (merging customer identities), Unified Customer Profiles (360-degree views), Real-time Segmentation (instant audience building), and Bidirectional Sync (2-way data synchronization). The ecosystem includes 30+ native connectors for CRM systems (Salesforce, HubSpot, Pipedrive), marketing automation (Intercom, Outreach, Marketo, Customer.io), data warehouses (Snowflake, BigQuery, PostgreSQL), enrichment tools (Clearbit, Datanyze), and workflow automation (Zapier, Segment), plus APIs (Firehose, HTTP) and a REPL connector for custom JavaScript-based data operations. Hull was acquired by MessageBird and is no longer accepting new customers.
Differentiator
Problem solved
Functional benefit
Products and services
- Hull CDP (Core Platform) Real-time customer data platform that aggregates first-, second-, and third-party data to build complete customer profiles, with bidirectional synchronization to keep all connected tools aligned. Built for B2B SaaS go-to-market teams.
- Hull Processor Real-time JavaScript-based data transformation environment that runs on Hull's backend to cleanse, normalize, enrich, and score customer data without backend developer involvement.
- Hull.js (Website Connector) Asynchronous JavaScript library for website tracking, analytics, personalization, and cross-domain visitor identification that captures events, page views, and user actions into Hull's unified profiles.
- Identity Resolution Reconciles customer identities across all connected systems, merging anonymous browsing history with known activity, resolving duplicate records, and linking individuals to companies into unified user and account profiles.
- Unified Customer Profiles 360-degree customer profiles that consolidate all interactions, attributes, and events from product, website, CRM, marketing automation, and other sources into a single persistent profile per user and account.
- Real-time Segmentation Real-time audience builder that creates granular segments from user traits, events, and computed attributes with AND/OR logic and group hierarchies, activating segments instantly across all connected tools.
- Bidirectional Sync Real-time, two-way data synchronization engine that propagates data changes across the entire connected technology stack, ensuring all tools stay aligned with Hull's unified profile.
- REPL Connector Interactive JavaScript command-line environment that lets users run custom logic against Hull using ES6 and async/await to add traits, update attributes, alias users and accounts, emit events, and link users to accounts.
- Connectors Ecosystem Library of native pre-built integrations covering CRM (Salesforce, HubSpot, Pipedrive, Copper, Close), marketing automation (Intercom, Outreach, Marketo, Customer.io, Mailchimp, Optimizely), data warehouses (Snowflake, BigQuery, PostgreSQL), enrichment (Clearbit, Datanyze), communications (Slack, Stripe), and workflow automation (Zapier, Segment, Facebook Ad Audiences, Calendly, Typeform).
- Hull API (Firehose & HTTP) Developer APIs including a Firehose API for high-volume data ingestion and an HTTP API for data access, complemented by a Node.js client library and webhook-based connectors for building custom integrations.
Quantifiable outcome
- Appcues achieved 70% increase in sales conversion rate, 25% increase in average sale price, and 60% increase in quarterly ARR
- +5 more outcomes
Companies that use Hull
Customer profileNamed customers14 records
Segments1 record
Ideal customer profiles2 records
Hull technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration34 records
AI capability9 records
Feature6 records
Hull partnerships and signals
Strategic signalScale indicators2 records
Recent moves7 records
Expansion highlights5 records
Hull competitors and assessment
Company assessmentEmerging players
- Hightouch: Reverse-ETL and composable CDP platform that activates warehouse data into downstream tools. Overlaps with Hull on sync and activation, especially for warehouse-native buyers.
- Census: Reverse-ETL platform syncing warehouse data into operational tools (Salesforce, HubSpot, etc.). Adjacent to Hull's bidirectional sync functionality, with a different wedge.
Direct peers
- Segment (Twilio): Twilio's flagship Customer Data Platform. Most direct comparable: both built CDPs to unify, transform, and activate customer data across the marketing/sales stack with deep integration ecosystems.
- mParticle: Enterprise CDP focused on real-time data collection, identity resolution, and activation across marketing and product tools. Closely overlaps Hull's core CDP use cases for mid-market and enterprise.
- RudderStack: Warehouse-native CDP and event-streaming platform built on an open-source foundation. Competes directly with Hull on real-time sync and bidirectional data flows from the data warehouse.
- Lytics: Mid-market CDP emphasizing real-time segmentation, identity resolution, and marketer-managed workflows — near-identical ICP and product positioning to Hull.
- ActionIQ: Enterprise CDP focused on customer data activation for marketing, with strong segmentation and journey orchestration — competes for the same mid-market-to-enterprise B2B SaaS buyer.
Broad incumbents
- Tealium: Long-standing tag management and CDP vendor serving mid-market and enterprise customers. Overlaps on customer data unification and real-time activation but with a much broader portfolio.
- Treasure Data: Enterprise CDP with deep data warehouse heritage (Arm Treasure Data). Competes on identity resolution, real-time data flows, and integration scale, with a larger footprint than Hull.
- Salesforce Data Cloud (formerly Genie / CDP): Salesforce's enterprise CDP integrated with its CRM/marketing cloud. A scaled incumbent competing for the same mid-market and enterprise customer-data unification workload.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Hull social profiles
Digital presenceHull financial estimates
Financial estimateRevenue estimate
Valuation estimate
Hull leadership team
Management profileNumber of profiles
Profiles6 records
Hull funding detail
Funding detailFunding overview
Funding rounds4 records
Investors6 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Hull M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Hull
What does Hull do?
Hull is a real-time Customer Data Platform that collects, unifies, and enriches customer data from product, marketing, and sales tools, then synchronizes it bidirectionally across the entire martech stack. The platform combines identity resolution, unified customer profiles, real-time segmentation, and a server-side JavaScript Processor, supported by 100+ native integrations and APIs. It is positioned for B2B SaaS mid-market and enterprise go-to-market teams that need to operationalize customer data without dedicated data engineering resources.
Is Hull a public or private company?
Hull is a private company. It is classified as corporate owned and is currently acquired.
When was Hull founded?
Hull was founded in 2013. It employs 11 to 50 people.
Where is Hull based?
Hull is headquartered in Atlanta, United States, in the North America region.
How does Hull make money?
One revenue line is on record: subscription SaaS.
Who are Hull's main competitors?
Emerging players on record are Hightouch and Census. Direct peers are Segment (Twilio), mParticle, RudderStack, Lytics and ActionIQ. Broad incumbents are Tealium, Treasure Data and Salesforce Data Cloud (formerly Genie / CDP).
Does Hull have an API?
Yes. Hull provides a Firehose API for ingesting data into its platform and an HTTP API for accessing data. The Node Client Guide and Reference documentation is available for developers. Hull.js is the primary JavaScript client library for website tracking, personalization, and cross-domain visitor identification. The REPL connector enables running custom JavaScript logic to send data to Hull via the API. Connectors include Incoming Webhooks, Outgoing User Webhooks, and Outgoing Account Webhooks for bidirectional data synchronization. SDK availability is limited to JavaScript/Node.js with no mention of other language SDKs. Developer documentation is at www.hull.io/docs/reference/http_api.