WeAreBrain vs Sigma Software: full comparison for 2026
Quick verdict
WeAreBrain (4.3/5) edges ahead of Sigma Software (3.7/5) overall. WeAreBrain is the better choice for Startups, AI-native product development plus modernization. Sigma Software is the stronger option for large enterprises, Swedish-incorporated EU IT consultancy at scale. The right choice depends on your project size, budget, and required tech stack.
WeAreBrain vs Sigma Software: head-to-head summary
| Criterion | WeAreBrain | Sigma Software |
|---|---|---|
| Founded | 2015 | 2002 |
| HQ | Netherlands (internationally distributed team) | Stockholm, Sweden (legal HQ, Sigma Sweden Software AB; founding engineering base in Kharkiv, Ukraine) |
| Team size | 60+ | 2,100+ |
| Rating | 4.3 / 5 | 3.7 / 5 |
| Primary differentiator | Frames itself around culture and retention — 'a winning team, not an agency' — with a long average client tenure as central to its pitch alongside technical delivery | 60% owned by the Swedish Sigma Group since 2006, giving Sigma Software a Swedish corporate parent and legal entity while its founding engineering culture and historical delivery base trace to Kharkiv, Ukraine |
| Pricing model | Dedicated team, fixed project | Dedicated team, staff augmentation, fixed project |
| Min. engagement | Not published | Not published (enterprise-scale) |
| Primary tech stack | Python, AI product tooling, Shopify/SAP Commerce Cloud integrations | Python, Cloud platforms, Data engineering pipelines |
| Industries served | Transport & Logistics, Healthcare, EdTech, Retail/E-commerce | Cross-industry enterprise IT |
WeAreBrain vs Sigma Software: overview
WeAreBrain
WeAreBrain is a Netherlands-headquartered AI-native product studio founded in 2015, combining AI product development with software modernization, e-commerce integrations, and automation services. It describes itself as 'a winning team, not an agency,' with a 60+ person, 13-nationality team and an average client tenure of 3.8 years, alongside an NPS score above 80 (per company website). Named clients include SidelineSwap and clevergig, which was acquired by Visma.
Sigma Software
Sigma Software was founded in 2002 by five friends from Kharkiv, Ukraine, and is legally headquartered in Stockholm, Sweden under the entity Sigma Sweden Software AB — 60% owned by the Swedish Sigma Group since it acquired a controlling stake in the Kharkiv-based predecessor company in 2006. It now has 2,100+ professionals across 40 offices in 19 countries, delivering software engineering, data, and AI-adjacent services to enterprise clients.
Services and capabilities: WeAreBrain vs Sigma Software
| Capability | WeAreBrain | Sigma Software |
|---|---|---|
| ML Development | ✓ | ✓ |
| AI Consulting | ✓ | ✓ |
| Computer Vision | ✗ | ✗ |
| NLP | ✗ | ✗ |
| Generative AI | ✓ | ✗ |
| MLOps | ✗ | ✗ |
| Data Engineering | ✗ | ✓ |
| Staff Augmentation | ✗ | ✓ |
Tech stack comparison: WeAreBrain vs Sigma Software
| Framework / platform | WeAreBrain | Sigma Software |
|---|---|---|
| Python | ✓ | ✓ |
| AWS | N/A | N/A |
| Microsoft Azure | N/A | N/A |
| Google Cloud | N/A | N/A |
| Kubernetes | N/A | N/A |
| PyTorch | N/A | N/A |
| LangChain | N/A | N/A |
| Databricks | N/A | N/A |
Pricing comparison: WeAreBrain vs Sigma Software
| Criterion | WeAreBrain | Sigma Software |
|---|---|---|
| Minimum engagement | Not published | Not published (enterprise-scale) |
| Engagement models | Dedicated team, Fixed project | Dedicated team, Staff augmentation, Fixed project |
| Rate transparency | Not public | Not public |
| Price tier | Enterprise / mid-market | Enterprise / mid-market |
Target audience comparison: WeAreBrain vs Sigma Software
| Dimension | WeAreBrain | Sigma Software |
|---|---|---|
| Best company size | Startup to mid-market | Enterprise |
| Best industries | Transport & Logistics, Healthcare, EdTech | Cross-industry enterprise IT |
| Best use cases | AI-native product MVP development, E-commerce AI personalization | Enterprise IT consultancy engagements with embedded AI/ML components, Large-scale staff augmentation for AI-adjacent development |
| Typical project type | Dedicated team | Dedicated team |
WeAreBrain vs Sigma Software: pros and cons
| WeAreBrain | |
|---|---|
| + | 80+ NPS and 3.8-year average client tenure signal strong retention (per company website) |
| + | 13-nationality team supports multilingual, multi-market European delivery |
| + | Combines AI-native product development with broader software modernization services |
| + | Founded 2015 with a decade of continuous operation |
| - | Broader software, e-commerce, and automation service lines mean ML is one of several offerings, not the sole focus |
| - | 60+ team size is modest relative to enterprise-scale competitors on this list |
| - | Notable named clients (SidelineSwap, clevergig) are smaller-profile than some competitors' enterprise logos |
| Sigma Software | |
|---|---|
| + | 2,100+ professionals across 40 offices in 19 countries give exceptional scale and geographic reach |
| + | Majority Swedish ownership (Sigma AB, 60%) since 2006 provides a stable, publicly documented corporate structure |
| + | Founded 2002 by five Kharkiv co-founders — over two decades of continuous operation |
| + | 40-office footprint across 19 countries supports very large, multi-region enterprise programs |
| - | Legal HQ (Stockholm) is a corporate and ownership structure rather than the company's historical engineering center of gravity (Kharkiv, Ukraine) — buyers should understand this distinction |
| - | 2,100+ person, 19-country scale means AI/ML is one capability among many broad IT consultancy services, not a named specialist practice |
| - | Public information on a dedicated AI/ML practice or named AI case studies is less detailed than several boutique competitors on this list |
Who should choose WeAreBrain?
A typical fit: AI-native product MVP development.
Frames itself around culture and retention — 'a winning team, not an agency' — with a long average client tenure as central to its pitch alongside technical delivery. Minimum engagement starts at Not published. Works best with clients in Transport & Logistics, Healthcare, EdTech, Retail/E-commerce.
Who should choose Sigma Software?
A typical fit: enterprise IT consultancy engagements with embedded AI/ML components.
60% owned by the Swedish Sigma Group since 2006, giving Sigma Software a Swedish corporate parent and legal entity while its founding engineering culture and historical delivery base trace to Kharkiv, Ukraine. Minimum engagement starts at Not published (enterprise-scale). Works best with clients in Cross-industry enterprise IT.
Decision matrix: WeAreBrain vs Sigma Software
| Your situation | Recommended choice |
|---|---|
| You need full-ownership delivery on a defined project scope | WeAreBrain |
| You need a large dedicated team for an ongoing programme | WeAreBrain |
| Your budget is at the lower end | Compare: WeAreBrain (Not published) vs Sigma Software (Not published (enterprise-scale)) |
| You need specialist depth in a specific vertical | WeAreBrain |
| You need staff augmentation or team extension | Sigma Software |
| You need consulting before committing to a build | WeAreBrain |
Use case fit: WeAreBrain vs Sigma Software
| Use case | WeAreBrain fit | Sigma Software fit | Winner |
|---|---|---|---|
| AI-native product MVP development | Strong | Limited | WeAreBrain |
| E-commerce AI personalization | Strong | Limited | WeAreBrain |
| Enterprise IT consultancy engagements with embedded AI/ML components | Limited | Strong | Sigma Software |
| Large-scale staff augmentation for AI-adjacent development | Limited | Strong | Sigma Software |
| Fixed-price build | Limited | Limited | Both equally |
| Staff augmentation | Limited | Strong | Sigma Software |
Verdict: WeAreBrain vs Sigma Software
WeAreBrain (4.3/5) is the stronger overall choice for most Machine Learning Development projects. Frames itself around culture and retention — 'a winning team, not an agency' — with a long average client tenure as central to its pitch alongside technical delivery.
Sigma Software (3.7/5) is worth a look if you need large-scale staff augmentation for AI-adjacent development. If your situation matches that, Sigma Software is a competitive option.
Related comparisons
WeAreBrain vs Sigma Software FAQ
Is WeAreBrain better than Sigma Software?
WeAreBrain (4.3/5) scores higher overall, but "better" depends on your use case. WeAreBrain's strongest advantage: 80+ NPS and 3.8-year average client tenure signal strong retention (per company website). Sigma Software's strongest advantage: 2,100+ professionals across 40 offices in 19 countries give exceptional scale and geographic reach.
How do WeAreBrain and Sigma Software differ in pricing?
WeAreBrain uses dedicated team, fixed project pricing with a minimum engagement of Not published. Sigma Software uses dedicated team, staff augmentation, fixed project pricing with a minimum engagement of Not published (enterprise-scale). Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.
Which is better for enterprise: WeAreBrain or Sigma Software?
Sigma Software is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each company before shortlisting.
What are the main differences between WeAreBrain and Sigma Software?
WeAreBrain's primary differentiator is: frames itself around culture and retention — 'a winning team, not an agency' — with a long average client tenure as central to its pitch alongside technical delivery. Sigma Software's primary differentiator is: 60% owned by the Swedish Sigma Group since 2006, giving Sigma Software a Swedish corporate parent and legal entity while its founding engineering culture and historical delivery base trace to Kharkiv, Ukraine. They also differ in team size (60+ vs 2,100+), minimum engagement (Not published vs Not published (enterprise-scale)), and primary industries served (Transport & Logistics, Healthcare vs Cross-industry enterprise IT).