Your Custom Highcharts Development Team

Build Highcharts products rapidly and with confidence. Work directly with the developers behind the library.

Book a consultation
everviz logo
Farmable logo
Grassco logo
ProResult logo
Symantec logo
University of Bergen logo
Wi-Tronix logo
55degrees logo
ActiveGraf logo

Ship faster with product specific experts

Rafał Sebestjański

Extend standard charts with custom functionality, create advanced synchronization between graphs and datasets, or build complex interfaces on top of simple visualizations.

Paweł Fus

Build production-ready trading platforms, portfolio dashboards, and investment solutions with advanced real-time data handling.

Kacper Madej

Create map applications with custom layers, impressive animations, and big-data optimization — designed for performance and outstanding UX.

Karol Kołodziej

Implement industry-specific Gantt solutions for construction, manufacturing, MedTech, or PropTech with customized planning features.

Karol Kołodziej Senior Developer specializing in Gantt implementations
Talk to Karol
Dawid Draguła

Optimize dashboards for performance, live-data handling, mobile experience, and accessibility — informed by our 50+ enterprise implementations.

Dawid Draguła Senior Developer with the highest Code Contributions to Highcharts Dashboards
Talk to Dawid
Kamil Kubik

Build production-ready data grids and tables with editing capabilities, data validation, and large dataset optimization.

Kamil Kubik Senior Developer, contributed to Grid's first release
Talk to Kamil
Grzegorz Blachliński

Working on a unique implementation or need expertise in specialized features? We can help you solve custom challenges across the entire Highcharts ecosystem.

Grzegorz Blachliński Black Label’s COO, helping Custom Highcharts Development customers since 2016
Talk to Grzegorz

How We Solve Your Specific Challenge

Our approach reduces uncertainty and gets you to production faster.

When Customization & Performance Are Holding You Back

The Challenge

Your Highcharts implementation has grown over time. Custom features, large datasets, and early architectural choices now slow performance, increase maintenance effort, and put future scalability at risk.

Common Issues

  1. 01 Custom tooltips break after Highcharts library updates
  2. 02 Charts freeze during user interactions with real data
  3. 03 Adding new chart types requires changes across multiple files
  4. 04 One config change breaks three other features

The Value You Get

Your charts become stable and future-proof. Through identifying risky custom logic and performance bottlenecks, your architecture gets redesigned for speed, maintainability, and scale. Your team ships features on schedule, not emergency fixes.

When Data Integration Blocks Progress

The Challenge

Your data comes from multiple sources-APIs, databases, legacy systems - each with different formats and update frequencies. What started as a simple integration has evolved into fragile pipelines that are hard to debug and costly to maintain, with synchronization issues and reliability problems.

Common Issues

  1. 01 API changes break charts in production
  2. 02 Real-time updates occasionally miss during peak usage
  3. 03 Data transformation logic scattered across multiple services
  4. 04 Charts sometimes show outdated or incorrect information

The Value You Get

Clean pipelines with predictable transformations eliminate integration friction. Your charts show accurate data consistently. Deployments stop breaking integrations. Your team focuses on building features, not debugging data flows - all without disrupting your existing systems.

When Lack of Highcharts Expertise Slows Delivery

The Challenge

Your team lacks deep Highcharts knowledge. Without clear guidance, they spend time experimenting, repeating mistakes, and debating decisions. Progress slows, and hiring full-time specialists isn't realistic for your needs.

Common Issues

  1. 01 Same implementation questions resurface across multiple sprints
  2. 02 Different developers solve identical problems differently
  3. 03 Pull requests reveal common anti-patterns
  4. 04 Features consistently take longer than estimated

The Value You Get

You work with experts who are directly involved in your codebase and run code reviews. Your team gains the skills and confidence to own Highcharts long-term with no vendor dependency.

When Scope, Feasibility & Estimates Are Unclear

The Challenge

You have a visualization concept that stakeholders want, but requirements are vague, technical feasibility is uncertain, and estimates are unreliable. Without clarity on scope, timeline, and cost, the project is stuck before it starts.

Common Issues

  1. 01 The question "Can we handle real-time data at scale?" remains unanswered
  2. 02 Design mockups are ready, but no technical validation yet
  3. 03 Stakeholders pressing for timelines you can't provide

The Value You Get

Feasibility validation and realistic scope definition give you clarity. You get transparent projections with a phased roadmap. This provides the confidence to secure executive buy-in and move forward, or save months by stopping early if it's not worth the investment.

Fortune 100

As core contributors to Highcharts  we have helped build a charting library used by 80 of the 100 largest companies in the world.

Part of the Highcharts Core Development Team Since 2010

The team behind Highcharts trusts us with core development and recommends us for any Highcharts-related work.

The Highcharts Core Developer team consists of members of both Highsoft and Black Label. We have utter trust in Black Label’s competence and dedication to the project and recommend them for any work related to Highcharts.

Torstein Hønsi
Torstein Hønsi Founder, CPO at Highsoft

Our Open Source Highcharts Contributions

We actively develop and maintain Highcharts extensions used by thousands of developers worldwide.

Custom Events Plugin

Add advanced mouse and touch interactions to any Highcharts component

Buy/Sell form

Add an interactive Buy/Sell interface with advanced customization options

Grouped Categories

Add hierarchical category structures to your chart axes

Ternary Plot

Ramp up your multidimensional data understanding with this free Highcharts Series

Multicolor Series

Add a new possibility for coloring data segments in your Highcharts Graphs

View All Extensions on GitHub

Our Highcharts Milestones & Contributions

Individual contributor patterns throughout the year

GitHub contribution activity

Individual contributor patterns throughout the year

wave

Let's talk

Fill out the form, and we’ll get back to you as soon as we can.

FAQ

Highcharts is a JavaScript library for creating interactive Stock, Gantt, and other charts, as well as dashboards and maps. It's used across industries, e.g., trading platforms, analytics dashboards, real-time monitoring, and data-heavy applications.