Vstorm vs Andersen: full comparison for 2026
Last updated: August 2026
Quick verdict
Vstorm (4.6/5) edges ahead of Andersen (4.2/5) overall. Vstorm is the better choice for eU mid-market buyers wanting a consultancy whose entire practice is agentic AI, with public EU AI Act commentary from its own founders.. Andersen is the stronger option for european buyers who need a staff-augmentation or dedicated-team contract with data-residency flexibility across multiple EU and European locations.. The right choice depends on your project size, budget, and required tech stack.
Vstorm vs Andersen: head-to-head summary
| Criterion | Vstorm | Andersen |
|---|---|---|
| Founded | 2017 | 2007 |
| HQ | Wrocław, Poland | Warsaw, Poland |
| Team size | 11–50 | 3,700+ |
| Rating | 4.6 / 5 | 4.2 / 5 |
| Best for | EU mid-market buyers wanting a consultancy whose entire practice is agentic AI, with public EU AI Act commentary from its own founders. | European buyers who need a staff-augmentation or dedicated-team contract with data-residency flexibility across multiple EU and European locations. |
| Pricing model | Fixed project, dedicated team | Fixed project, dedicated team, staff augmentation |
| Min. engagement | Not published | Not published |
| Primary tech stack | Python, LangChain, LangGraph | Python, LangChain, AWS |
| Industries served | Technology & SaaS, Financial Services, Retail & E-commerce | Financial Services, Healthcare, Retail & E-commerce, Technology & SaaS |
Vstorm vs Andersen: overview
Vstorm
Vstorm is a Wrocław, Poland-based boutique founded in October 2017 by CEO Antoni Kozelski and VP Bartosz Gonczarek, with a compact team of 11–50 people, operating fully within the EU as an agentic AI engineering consultancy. It was the first AI consultancy accepted into the Agentic AI Foundation (AAIF) and publishes its own TriStorm delivery framework, with a public commitment to AGENTS.md documentation on every project. As a Polish company, it falls squarely under GDPR without any cross-border transfer questions for EU clients, and its founders speak and publish regularly on EU AI Act readiness specifically.
Andersen
Andersen is a European IT company founded in 2007 and headquartered in Warsaw, Poland, with more than 3,700 experts across 16+ global locations, the majority of them European — Germany, the UK, Lithuania, Hungary, and Cyprus, alongside Kazakhstan, Georgia, Azerbaijan, and the UAE outside the continent. It embeds AI tooling into the software development lifecycle and builds conversational agents integrated with CRM, helpdesk, and messaging platforms, positioning itself as a broad staff-augmentation and delivery vendor rather than an AI-only boutique.
Services and capabilities: Vstorm vs Andersen
| Capability | Vstorm | Andersen |
|---|---|---|
| Multi-agent orchestration | ✓ | ✗ |
| RAG / knowledge integration | ✓ | ✗ |
| Workflow & systems integration | ✗ | ✓ |
| Coding agents | ✗ | ✓ |
| Monitoring & anomaly detection | ✗ | ✗ |
| Customer-facing agents | ✗ | ✓ |
Tech stack comparison: Vstorm vs Andersen
| Framework / platform | Vstorm | Andersen |
|---|---|---|
| LangChain | ✓ | ✓ |
| LangGraph | ✓ | N/A |
| AutoGen | N/A | N/A |
| LlamaIndex | N/A | N/A |
| OpenAI | ✓ | N/A |
| Anthropic Claude | ✓ | N/A |
| Pinecone | N/A | N/A |
| AWS | ✓ | ✓ |
| Azure | N/A | ✓ |
| Kubernetes | N/A | N/A |
Pricing comparison: Vstorm vs Andersen
| Criterion | Vstorm | Andersen |
|---|---|---|
| Minimum engagement | Not published | Not published |
| Engagement models | Fixed project, Dedicated team | Fixed project, Dedicated team, Staff augmentation |
| Rate transparency | Minimum disclosed | Minimum disclosed |
| Price tier | Mid-market | Mid-market |
Target audience comparison: Vstorm vs Andersen
| Dimension | Vstorm | Andersen |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Technology & SaaS, Financial Services, Retail & E-commerce | Financial Services, Healthcare, Retail & E-commerce |
| Best use cases | EU buyers wanting a vendor whose entire business is agentic AI, fully within EU jurisdiction, Teams wanting standardized AGENTS.md documentation baked into delivery for future maintainability | Staff-augmentation contracts needing flexible EU data-residency options across multiple countries, Customer-facing conversational agent builds integrated with existing CRM/helpdesk tooling |
| Typical project type | Fixed project | Fixed project |
Vstorm vs Andersen: pros and cons
| Vstorm | |
|---|---|
| + | First AI consultancy formally accepted into the Agentic AI Foundation, an independently verifiable credential |
| + | Fully EU-domiciled (Poland), avoiding cross-border transfer complexity for European clients |
| + | Named proprietary delivery framework (TriStorm) gives buyers a concrete methodology to evaluate |
| + | Founders publish specifically on EU AI Act readiness, not just generic AI commentary |
| - | 11–50 person team caps capacity for large or highly parallel programs |
| - | Founded relatively recently (October 2017) relative to some longer-tenured European competitors on this list |
| - | Minimum engagement figures are not published, requiring direct sales contact for early budgeting |
| Andersen | |
|---|---|
| + | 16+ global development centers, predominantly European, give procurement flexibility on data residency |
| + | 3,700+ experts provide substantial bench depth for large or multi-workstream contracts |
| + | Nearly two decades of European IT delivery history since 2007 |
| + | Existing CRM/helpdesk integration experience feeds directly into customer-facing agent work |
| - | Some delivery locations (Kazakhstan, Georgia, Azerbaijan, UAE) sit outside the EU, worth confirming per-project data residency |
| - | AI agent development sits within a broad staff-augmentation and delivery portfolio, not a dedicated specialty |
| - | Minimum engagement figures not published, requiring direct sales engagement for early budgeting |
Who should choose Vstorm?
Vstorm is the right choice for eU mid-market buyers wanting a consultancy whose entire practice is agentic AI, with public EU AI Act commentary from its own founders..
First AI consultancy accepted into the Agentic AI Foundation, EU-domiciled, with founders who publish specifically on EU AI Act readiness.. Minimum engagement starts at Not published. Works best with clients in Technology & SaaS, Financial Services, Retail & E-commerce.
Who should choose Andersen?
Andersen is the right choice for european buyers who need a staff-augmentation or dedicated-team contract with data-residency flexibility across multiple EU and European locations..
A 16+ location delivery footprint, predominantly European, letting procurement pick an EU-based staffing region to match data-residency requirements.. Minimum engagement starts at Not published. Works best with clients in Financial Services, Healthcare, Retail & E-commerce, Technology & SaaS.
Decision matrix: Vstorm vs Andersen
| Your situation | Recommended choice |
|---|---|
| You need full-ownership delivery on a defined project scope | Vstorm |
| You need a large dedicated team for an ongoing programme | Vstorm |
| Your budget is at the lower end | Compare: Vstorm (Not published) vs Andersen (Not published) |
| You need specialist depth in a specific vertical | Andersen |
| You need staff augmentation or team extension | Neither; consider alternatives that offer staff aug |
| You need consulting before committing to a build | Both may offer discovery engagements |
Use case fit: Vstorm vs Andersen
| Use case | Vstorm fit | Andersen fit | Winner |
|---|---|---|---|
| EU buyers wanting a vendor whose entire business is agentic AI, fully within EU jurisdiction | Strong | Strong | Both equally |
| Teams wanting standardized AGENTS.md documentation baked into delivery for future maintainability | Strong | Limited | Vstorm |
| Staff-augmentation contracts needing flexible EU data-residency options across multiple countries | Limited | Strong | Andersen |
| Customer-facing conversational agent builds integrated with existing CRM/helpdesk tooling | Limited | Strong | Andersen |
| Fixed-price build | Limited | Limited | Both equally |
| Staff augmentation | Limited | Strong | Andersen |
Verdict: Vstorm vs Andersen
Vstorm (4.6/5) is the stronger overall choice for most AI Agent Development projects. First AI consultancy accepted into the Agentic AI Foundation, EU-domiciled, with founders who publish specifically on EU AI Act readiness.. It is best for eU mid-market buyers wanting a consultancy whose entire practice is agentic AI, with public EU AI Act commentary from its own founders..
Andersen (4.2/5) is the better choice when european buyers who need a staff-augmentation or dedicated-team contract with data-residency flexibility across multiple EU and European locations.. If your situation matches those criteria, Andersen is a competitive option.
Related comparisons
Vstorm vs Andersen FAQ
Is Vstorm better than Andersen?
Vstorm (4.6/5) scores higher overall, but "better" depends on your use case. Vstorm is better for eU mid-market buyers wanting a consultancy whose entire practice is agentic AI, with public EU AI Act commentary from its own founders.. Andersen is better for european buyers who need a staff-augmentation or dedicated-team contract with data-residency flexibility across multiple EU and European locations..
How do Vstorm and Andersen differ in pricing?
Vstorm uses fixed project, dedicated team pricing with a minimum engagement of Not published. Andersen uses fixed project, dedicated team, staff augmentation pricing with a minimum engagement of Not published. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.
Which is better for enterprise: Vstorm or Andersen?
Andersen 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 Vstorm and Andersen?
Vstorm's primary differentiator is: first ai consultancy accepted into the agentic ai foundation, eu-domiciled, with founders who publish specifically on eu ai act readiness.. Andersen's primary differentiator is: a 16+ location delivery footprint, predominantly european, letting procurement pick an eu-based staffing region to match data-residency requirements.. They also differ in team size (11–50 vs 3,700+), minimum engagement (Not published vs Not published), and primary industries served (Technology & SaaS, Financial Services vs Financial Services, Healthcare).
Last reviewed: August 2026. Verify all details directly with each company before making a decision.