Bryntum
Bryntum is a Swedish software company founded in 2009 that develops high-performance JavaScript/TypeScript web UI components for project management and scheduling, serving enterprise developers and businesses with products including Gantt, Scheduler, Grid, Calendar, and the Siesta testing tool.
- Company typePrivate
- Founded2009
- HeadquartersLund, Sweden
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What Bryntum does
Bryntum is a Swedish software company founded in 2009 and headquartered in Stockholm that develops high-performance JavaScript and TypeScript web UI components for project management and scheduling. Its product suite includes Bryntum Gantt, Scheduler, Scheduler Pro, Calendar, Task Board, Grid, the Siesta testing tool, and the Bryntum Complete bundle, all built as framework-agnostic web components with first-party wrappers for Angular, React, Vue, and vanilla JavaScript. Core technical differentiators include virtual rendering for large datasets, native and synthetic event simulation in Siesta, dependency and constraint modeling in Scheduler Pro, export to PDF/PNG/Excel/ICS, localization in 40+ languages with RTL support, and recent AI-assisted features in the Grid and Gantt.
The company serves both individual developers and large enterprise customers, with named deployments at BMW, the U.S. Navy, Coca-Cola, Sony Computer Entertainment, Deutsche Telekom, PwC, and Centrica Energy Trading. Bryntum operates a hybrid go-to-market combining product-led growth (free trials, npm-based installation with no login required, and a self-serve e-commerce storefront) with enterprise field sales and professional services for complex mission-critical deployments. Revenue is generated through commercial licenses sold via subscription (annual billing) and perpetual models, complemented by professional services for customization and training. Since June 2025, the company has been majority-owned by growth-equity firm Adelis Equity Partners, and in November 2025 it announced a strategic partnership with AG Grid to deliver a combined enterprise UI component offering, with joint go-to-market events planned through 2026.
Bryntum firmographics
Firmographics- Name
- Bryntum
- Legal name
- Bryntum
- Website
- https://bryntum.com
- Company type
- Private
- Founded year
- 2009
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Bryntum is a Swedish software company founded in 2009 that develops high-performance JavaScript/TypeScript web UI components for project management and scheduling, serving enterprise developers and businesses with products including Gantt, Scheduler, Grid, Calendar, and the Siesta testing tool.
- Ownership category
- akta.pro rank
Bryntum industry classification
Industry- Product category
- Web UI Component Libraries
- NAICS
- Custom Computer Programming Services (541511), Computer Systems Design Services (541512)
- SIC
- Services-Computer Programming Services (7371)
- akta.pro primary industry
- Project & Task Management (BPAMAMAF)
- akta.pro secondary industry
- Process & Case Management Low-Code Platforms (HDAEAKAE)
Keywords
Where Bryntum is headquartered
LocationHeadquarters
- HQ city
- Lund
- HQ country
- Sweden
- HQ region
- Europe
Offices1 record
Markets served
Bryntum business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure
Revenue model
- Software Licenses (Subscription/Petpetual): Bryntum sells commercial licenses for its web component products (Gantt, Scheduler, Scheduler Pro, Grid, Calendar, Task Board, Siesta). Licensing includes options for perpetual licenses and subscription-based models with different tiers (Lite vs Standard for Siesta). Enterprise customers receive unlimited technical support and long-term reliability assurances.
- Professional Services: Bryntum offers professional services to help enterprises customize and deploy components. This includes training and custom implementation support, as seen in engagements with Coca-Cola Company where Professional Services helped customize the Scheduler.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Bryntum Complete Bundle |
| Subscription | Annual | Individual Products (Gantt, Scheduler, Grid, Calendar, TaskBoard) |
| Freemium | Pay-as-you-go | Siesta Lite (Free) |
| Subscription | Annual | Siesta Standard |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels9 records
Bryntum product offering
Product offeringCore offering
Bryntum develops and sells a suite of high-performance JavaScript/TypeScript web UI components for project management and scheduling, including Gantt charts, Scheduler, Scheduler Pro, Calendar, Task Board (Kanban), and Grid (data table), plus Siesta, a JavaScript unit and UI testing tool. The components integrate with Angular, React, Vue, and vanilla JavaScript applications and are sold primarily under commercial subscription/perpetual licenses.
Product overview
Bryntum provides a suite of high-performance web components for project management and scheduling, built with JavaScript/TypeScript. The core portfolio includes Bryntum Complete (all-in-one bundle), Gantt (project planning timelines), Scheduler and Scheduler Pro (event/resource scheduling with dependency support), Calendar (multi-view calendar), Task Board (Kanban boards), Grid (data tables), and Siesta (JavaScript testing tool). Products integrate with Angular, React, and Vue frameworks, and support enterprise features like Salesforce integration, RTL languages, and export to various formats. Founded in 2009, the company serves enterprise clients including BMW and the U.S. Navy.
Differentiator
Problem solved
Functional benefit
Brands
- Siesta: JavaScript unit and UI testing tool which can run tests in web pages or in Node.js processes, with event recorder and automation support.
- RootCause
Products and services
- Bryntum Complete A bundled package containing all Bryntum UI components including Gantt, Scheduler, Scheduler Pro, Calendar, Task Board, and Grid in one distribution.
- Bryntum Gantt A high-performance JavaScript Gantt chart component with extensive API, dependency visualization, resource management, and project timeline capabilities.
- Bryntum Scheduler A modern, high-performance scheduling component with drag-and-drop event resizing, event editor, keyboard navigation, and export to PDF, PNG, Excel, ICS, and print formats.
- Bryntum Scheduler Pro A professional scheduling component built with ES2020 and TypeScript, supporting inter-task dependencies, constraints, and working time calendars; extends the Scheduler engine.
- Bryntum Calendar A feature-rich calendar component with day, week, month, year, and agenda views, including filter widgets, event editor, and month navigation bar.
- Bryntum Task Board A flexible Kanban board web component supporting swimlanes and drag-and-drop task movement between columns, configurable for any workflow.
- Bryntum Grid A powerful and high-performance data grid/table component for the web, built with pure JavaScript, handling large datasets with ease and integrating with any framework.
- Siesta A JavaScript unit and UI testing tool that runs tests in web browsers or Node.js processes, featuring event recorder and player, scalable automation package, and integrations with cloud testing services.
- Professional Services Training and custom implementation support services to help enterprises customize and deploy Bryntum components, including dedicated training courses and customization assistance.
Quantifiable outcome
- Smooth scrolling and dragging performance regardless of dataset size or number of users
- +2 more outcomes
Companies that use Bryntum
Customer profileNamed customers7 records
Segments2 records
Ideal customer profiles2 records
Bryntum technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration5 records
AI capability2 records
Feature7 records
Bryntum partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- AG GridcoreBryntum and AG Grid announced a strategic partnership in late 2025, supported by Adelis Equity Partners. The partnership creates a combined offering that integrates Bryntum's scheduling and Gantt components with AG Grid's data grid, providing a comprehensive enterprise UI component solution. A joint event called 'Beyond The Prompt' was held in May 2026 in London to showcase the collaboration.
Scale indicators3 records
Recent moves6 records
Expansion highlights6 records
Bryntum competitors and assessment
Company assessmentDirect peers
- DHTMLX: Direct competitor offering JavaScript scheduling, Gantt, calendar, and grid components for enterprise web apps. Bryntum explicitly markets against DHTMLX on comparison pages, indicating similar customer profile (developers building enterprise apps) and overlapping product scope.
- AG Grid: Direct peer and strategic partner — both Adelis-backed, offering enterprise JavaScript data grid components for React, Angular, and Vue. The November 2025 partnership makes AG Grid both a competitor in the data grid space and a co-marketing ally for the broader enterprise UI suite.
- DayPilot: Direct competitor offering JavaScript Gantt, Scheduler, and Calendar components for the same developer-led enterprise market. Comparable product scope and pricing model, frequently compared to Bryntum in head-to-head enterprise evaluations.
- FullCalendar: Direct competitor for calendar and scheduling components with a popular open-source core and premium scheduler features. Targets the same developer-led GTM with self-serve evaluation, making it one of Bryntum's most direct calendar-scheduling rivals.
Emerging players
- Highsoft (Highcharts): Comparable enterprise JavaScript visualization component vendor with a similar commercial open-core model and enterprise sales motion. While focused on charts rather than scheduling, Highsoft shares Bryntum's customer base of enterprise web app developers.
- Webix: Comparable JavaScript UI component library offering Gantt, Scheduler, Calendar, and Grid components with a similar commercial licensing model. Smaller scale but overlaps in targeting enterprise web app developers.
Broad incumbents
- Wijmo (GrapeCity): Enterprise JavaScript UI component suite including FlexGrid, FlexSheet, and scheduling controls. Comparable enterprise sales motion and customer profile to Bryntum, though with a broader analytics/grid focus.
- Syncfusion: Broad incumbent offering a comprehensive suite of UI components for web, mobile, and desktop including Gantt, Scheduler, Grid, and Calendar. Syncfusion's much larger organization and broader product portfolio compete with Bryntum in enterprise JavaScript component deals.
- Telerik (Progress Software): Established incumbent providing Kendo UI — a comprehensive enterprise JavaScript UI component suite including Gantt, Scheduler, Grid, and Editor — sold primarily to large enterprise customers, directly overlapping Bryntum's enterprise buyer persona.
- Sencha (Idera): Long-established enterprise JavaScript UI framework (Ext JS) with comprehensive Gantt, Scheduler, and Grid components. While historically architecturally different, Sencha targets the same enterprise developer evaluating component suites.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
Bryntum social profiles
Digital presenceBryntum compliance and trust
Trust signalCompliance1 record
Bryntum financial estimates
Financial estimateRevenue estimate
Valuation estimate
Bryntum leadership team
Management profileNumber of profiles
Profiles2 records
Bryntum funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Bryntum 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 Bryntum
What does Bryntum do?
Bryntum develops and sells a suite of high-performance JavaScript/TypeScript web UI components for project management and scheduling, including Gantt charts, Scheduler, Scheduler Pro, Calendar, Task Board (Kanban), and Grid (data table), plus Siesta, a JavaScript unit and UI testing tool. The components integrate with Angular, React, Vue, and vanilla JavaScript applications and are sold primarily under commercial subscription/perpetual licenses.
Is Bryntum a public or private company?
Bryntum is a private company. It is classified as private equity controlled and is currently operating.
When was Bryntum founded?
Bryntum was founded in 2009. It employs 11 to 50 people.
Where is Bryntum based?
Bryntum is headquartered in Lund, Sweden, in the Europe region.
How does Bryntum make money?
Two revenue lines are on record. Software Licenses (Subscription/Petpetual) is the primary driver. The others are professional Services.
Who are Bryntum's main competitors?
Direct peers on record are DHTMLX, AG Grid, DayPilot and FullCalendar. Emerging players are Highsoft (Highcharts) and Webix. Broad incumbents are Wijmo (GrapeCity), Syncfusion, Telerik (Progress Software) and Sencha (Idera).
Does Bryntum have an API?
No public API is recorded for Bryntum.
What industry is Bryntum in?
Bryntum's product category is Web UI Component Libraries. Its primary akta.pro industry code is BPAMAMAF, Project & Task Management, with a secondary code of HDAEAKAE, Process & Case Management Low-Code Platforms. Its NAICS code is 541511 and its SIC code is 7371.