What Solid Software does

Solid Software is a Kharkiv, Ukraine-based professional services consultancy that specializes in cross-platform application development using Google's Flutter framework and the Dart programming language. Founded in 2018, the company analyzes, architects, designs, and implements Flutter mobile (iOS, Android), web (Chrome, Safari, Firefox, Edge), and desktop (Windows, macOS, Linux) applications, supported by backend expertise in Firebase, Supabase, PostgreSQL, MongoDB, Go, Node.js, and TypeScript, plus UI/UX design and software testing/QA services. Its customer base spans four primary verticals: startups seeking rapid MVP development, healthcare organizations requiring compliant patient-facing applications, robotics firms needing real-time control dashboards, and productivity-focused companies building collaboration tools. Notable client engagements include ODrive (robotics motor configuration GUI used in 113 countries), Fluxx (Uber-like freight platform covering 88 Australian towns), Wave (mental health app with 5,000+ users), Eggy (work/life admin app with 40,000+ users across three countries), Worklog (time-tracking tool with 34,000 logged hours), and Metrics/Flank Dashboard (software project metrics tool acquired by Google).

The firm's competitive positioning rests on being an Official Flutter Consultant (Google designation since 2023), a founding member of the Mobile Native Foundation (Linux Foundation, 2021), a member of the Flutter for Web Early Adopters Program (selected from 1,000+ applicants in 2021), an Official Supabase Expert, and a RevenueCat partner. The company reports 50+ projects completed over its five-plus-year history, with elite-tier delivery quality validated by third-party Haystack analysis (0.48% change failure rate). Solid Software is founder-owned and bootstrapped, with no disclosed external funding rounds. The company is registered as Solid Software LLC, operates as a private for-profit entity, and reports a team of 11-50 employees working remotely across multiple geographies including Ukraine, Europe, North America (Toronto), Australia, New Zealand, and Latin America. Revenue is generated through professional services engagements on a quote-based pricing model with no publicly disclosed pricing.

Name

Solid Software

Legal name

Solid Software LLC

Website

https://solid.software

Company type

Private

Founded year

2018

Operating status

Operating

Headcount range

11–50 employees

Short description

Solid Software is a Ukraine-based Flutter development consultancy that designs and builds cross-platform mobile, web, and desktop applications for startups, healthcare, robotics, and productivity companies worldwide. Recognized as an Official Flutter Consultant by Google.

Ownership category

akta.pro rank

Product category

Custom Software Development Services

NAICS

Custom Computer Programming Services (541511), Computer Systems Design Services (541512), Computer Systems Design and Related Services (5415), Other Computer Related Services (541519)

SIC

Services-Computer Programming Services (7371), Services-Computer Programming, Data Processing, Etc. (7370), Services-Computer Integrated Systems Design (7373)

akta.pro primary industry

Custom Application Development (Web/Mobile/Desktop) (BPAEAFAA)

akta.pro secondary industries

Managed DevOps / Platform Operations (Run & Operate) (BPAEAKAO), DevOps, SRE & Platform Engineering Consulting (BPAHAEAK)

Keywords

• Flutter app development
• Cross-platform mobile development
• Web application development
• Backend development services
• Software testing qa

Headquarters

HQ city

Kharkiv

HQ country

Ukraine

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales

Revenue model

1. Software Development Services: Professional services revenue generated through Flutter mobile, web, and desktop application development projects. Services include analyze, architect, design and implement complex applications across healthcare, robotics, and productivity sectors.

Go-to-market motion2 records

Distribution channels2 records

Marketing channels5 records

Core offering

Solid Software provides professional Flutter and Dart mobile, web, and desktop application development services. The company analyzes, architects, designs, and implements complex cross-platform applications for startups, healthcare firms, robotics companies, and productivity-focused businesses, with supporting backend development using Firebase, Supabase, Go, Node.js, and TypeScript. They are an Official Flutter Consultant recognized by Google since 2023, with over 50 projects completed since founding in 2018.

Product overview

Solid Software is an AI-Native Flutter application development consultancy offering a portfolio of services and internal products. Their core offering is Flutter application development services spanning mobile (iOS, Android), web (Chrome, Safari, Firefox, Edge), and desktop (Windows, macOS, Linux) platforms, supplemented by backend development, software testing/QA, and UI/UX design services. Their project portfolio includes client-facing products developed for external companies: Fluxx (peer-to-peer freight platform), Wave (mental health app), Eggy (work/life admin app), and ODrive Web GUI (robotics dashboard), as well as their own product Worklog (time-tracking tool for software engineers) and Metrics (software metrics collection, renamed to Flank Dashboard and acquired by Google). They are Official Flutter Consultants since 2023, members of the Mobile Native Foundation, Flutter for Web Early Adopters, and Supabase Experts.

Differentiator

Problem solved

Functional benefit

Products and services

• Flutter Application Development Services
• Worklog Time-tracking tool specifically designed for software professionals, built with Flutter and Supabase. Features fast logging, easy navigation, team collaboration capabilities, and cross-platform support for web and desktop.

Quantifiable outcome

• 0.48% Change Failure Rate achieved on Metrics project - validated by third-party Haystack as elite performer quality
• +7 more outcomes

Named customers6 records

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

Feature5 records

Partnerships

Four partnerships are on record, tiered core.

• Mobile Native Foundation (Linux Foundation)coreStrategic or Co-development Partner · 23 July 2021Founding member of Mobile Native Foundation backed by The Linux Foundation along with top tech companies including Airbnb, Capital One, GitHub, LinkedIn, Microsoft, Slack, and Spotify. The foundation fosters development collaboration in the mobile native space.
• Google/Flutter TeamcoreStrategic or Co-development PartnerSolid Software is an Official Flutter Consultant since 2023 and member of the Flutter for Web Early Adopters Program. The company has priority access to the Flutter team, early information on Flutter for web developments, and support from the Flutter team. This partnership enables Solid Software to help shape Flutter technology direction.
• SupabasecoreTechnology or IntegrationOfficial Supabase Experts partner. Solid Software uses Supabase for backend-as-a-service including Authentication, Database (Postgres), and Realtime capabilities for Flutter applications.
• Flutter for Web Early Adopters ProgramcoreTechnology or IntegrationMember of Flutter for Web Early Adopters Program among over 1000 applicants. Receives priority access, early information, and support from Flutter team.

Scale indicators15 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• EPAM Systems: Global IT services giant with significant presence in Eastern Europe including Ukraine. Comparable as a competitor for Flutter/cross-platform engagements from a scale and geographic-overlap standpoint, especially relevant given Solid Software's Kharkiv base.
• Netguru: Large, established digital product consultancy with a Flutter practice among broader mobile/web services. Comparable as a competitor for Flutter engagements but at significantly larger scale and broader technology portfolio.

Direct peers

• Creative Navy: Flutter-dedicated design and development agency serving startups and enterprises. Comparable to Solid Software in targeting similar clients and offering end-to-end Flutter product development with a focus on UI/UX quality.
• UPDOT: Flutter app development agency offering cross-platform mobile, web, and desktop builds. Comparable in service scope and customer segments (startups, mid-market, enterprise) to Solid Software.
• Very Good Ventures: Official Flutter Consultant and one of the most prominent Flutter/Dart development agencies globally. Directly comparable to Solid Software in service offering (custom Flutter development), target customers (enterprise and startups), and ecosystem positioning.
• Lean Code: Boutique Flutter development shop with strong open-source contributions (e.g., Riverpod, remotedev). Comparable to Solid Software in its Flutter-first positioning, OSS ecosystem involvement, and focus on engineering quality.
• Invertase: Flutter and Firebase-focused development agency and maintainer of popular FlutterFire plugins. Comparable as a Flutter-specialized services firm with deep ecosystem contributions and open-source presence similar to Solid Software.
• gskinner: Long-standing Flutter/Dart agency with deep ties to the Dart team and ecosystem tooling (e.g., stagexl, Flutter tooling). Comparable in its Flutter-native service positioning and emphasis on design-led, high-quality custom application development.

Emerging players

• Bram.us (Bram Borggreve): Independent Flutter consultant with deep community standing (Flutter team contributor). Comparable to Solid Software in being a recognized individual/small-team Flutter expert rather than a large agency, though operates more as a solo consultant.
• ResoCoder: Flutter-focused engineering education and services brand. Partial overlap with Solid Software's Flutter expertise area, though ResoCoder leans more toward education and content-led services.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/SolidSoftwareHQ
• GitHubgithub.com/solid-software
• Facebookfacebook.com/SolidSoftwareHQ
• LinkedInlinkedin.com/company/solidsoftware
• Instagraminstagram.com/solidsoftwarehq

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Solid Software