Vstorm vs Matellio: full comparison for 2026
Last updated: August 2026
Quick verdict
Vstorm (4.4/5) edges ahead of Matellio (3.8/5) overall. Vstorm is the better choice for buyers wanting a genuinely small agency whose entire practice is agentic AI, with an independently verifiable AAIF credential.. Matellio is the stronger option for buyers wanting a single agency for both agentic AI and a broader cloud-native application modernization build.. The right choice depends on your project size, budget, and required tech stack.
Vstorm vs Matellio: head-to-head summary
| Criterion | Vstorm | Matellio |
|---|---|---|
| Founded | 2017 | 2014 |
| HQ | Wrocław, Poland | San Jose, CA, USA |
| Team size | 11–50 | 51–250 |
| Rating | 4.4 / 5 | 3.8 / 5 |
| Best for | Buyers wanting a genuinely small agency whose entire practice is agentic AI, with an independently verifiable AAIF credential. | Buyers wanting a single agency for both agentic AI and a broader cloud-native application modernization build. |
| Pricing model | Fixed project, dedicated team | Fixed project, dedicated team |
| Min. engagement | Not published | $25K (per company website; independently unverifiable) |
| Primary tech stack | Python, LangChain, LangGraph | Python, LangChain, AWS |
| Industries served | Technology & SaaS, Financial Services, Retail & E-commerce | Technology & SaaS, Healthcare, Retail & E-commerce, Manufacturing |
Vstorm vs Matellio: overview
Vstorm
Vstorm is a Wrocław, Poland-based boutique agency founded in October 2017 by CEO Antoni Kozelski and VP Bartosz Gonczarek, with a compact team of 11–50 people, operating exclusively 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. As an 11–50 person shop, it sits at the smaller end of this list, giving buyers direct access to the same senior engineers who scope the work.
Matellio
Matellio is a custom software development agency founded in 2014 and headquartered in San Jose, California, with additional offices in Denver and the UK and engineering labs in India, totaling roughly 150–250 people. Its client base ranges from startups to Fortune 500 companies, giving buyers a broad reference spectrum to request against a specific company-size profile.
Services and capabilities: Vstorm vs Matellio
| Capability | Vstorm | Matellio |
|---|---|---|
| Multi-agent orchestration | ✓ | ✗ |
| RAG / knowledge integration | ✓ | ✗ |
| Workflow & systems integration | ✗ | ✓ |
| Coding agents | ✗ | ✗ |
| Monitoring & anomaly detection | ✗ | ✗ |
| Customer-facing agents | ✗ | ✗ |
Tech stack comparison: Vstorm vs Matellio
| Framework / platform | Vstorm | Matellio |
|---|---|---|
| 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 Matellio
| Criterion | Vstorm | Matellio |
|---|---|---|
| Minimum engagement | Not published | $25K (per company website; independently unverifiable) |
| Engagement models | Fixed project, Dedicated team | Fixed project, Dedicated team |
| Rate transparency | Minimum disclosed | Minimum disclosed |
| Price tier | Mid-market | Accessible |
Target audience comparison: Vstorm vs Matellio
| Dimension | Vstorm | Matellio |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Technology & SaaS, Financial Services, Retail & E-commerce | Technology & SaaS, Healthcare, Retail & E-commerce |
| Best use cases | Buyers wanting a vendor whose entire business is agentic AI, at a small-agency scale, Teams wanting standardized AGENTS.md documentation baked into delivery | Bundling agentic AI development with a broader enterprise cloud application modernization build, Fortune 500 buyers wanting reference checks against similarly sized past clients |
| Typical project type | Fixed project | Fixed project |
Vstorm vs Matellio: pros and cons
| Vstorm | |
|---|---|
| + | First AI consultancy formally accepted into the Agentic AI Foundation, an independently verifiable credential |
| + | Genuinely boutique scale (11–50 people) means direct access to the engineers who scope the work |
| + | Named proprietary delivery framework (TriStorm) gives buyers a concrete methodology to evaluate |
| + | Public commitment to AGENTS.md documentation on every project, easing long-term maintainability |
| - | 11–50 person team caps capacity for large or highly parallel programs |
| - | Founded relatively recently (October 2017) relative to some longer-tenured agencies on this list |
| - | Minimum engagement figures are not published, requiring direct sales contact for early budgeting |
| Matellio | |
|---|---|
| + | Multi-region footprint (San Jose, Denver, UK, India) suits buyers wanting both US-based and offshore delivery |
| + | Serves everything from startups to Fortune 500 clients, giving a broad reference range |
| + | Cloud-native application engineering background helps agents integrate cleanly into modern architectures |
| + | Ten-plus years of operating history at a mid-size, still-agile headcount |
| - | Agentic AI is one offering within a broad custom-software portfolio rather than the sole specialty |
| - | Reported headcount varies notably by source (roughly 147 to 250+), worth confirming directly |
| - | Public case studies emphasize app modernization more than agent-specific outcomes |
Who should choose Vstorm?
Vstorm is the right choice for buyers wanting a genuinely small agency whose entire practice is agentic AI, with an independently verifiable AAIF credential..
First AI consultancy accepted into the Agentic AI Foundation, at a genuinely boutique (11–50 person) agency scale.. Minimum engagement starts at Not published. Works best with clients in Technology & SaaS, Financial Services, Retail & E-commerce.
Who should choose Matellio?
Matellio is the right choice for buyers wanting a single agency for both agentic AI and a broader cloud-native application modernization build..
Serves both startups and Fortune 500 clients from the same agency, giving buyers a reference spectrum matched to company size.. Minimum engagement starts at $25K (per company website; independently unverifiable). Works best with clients in Technology & SaaS, Healthcare, Retail & E-commerce, Manufacturing.
Decision matrix: Vstorm vs Matellio
| 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 Matellio ($25K (per company website; independently unverifiable)) |
| You need specialist depth in a specific vertical | Matellio |
| 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 Matellio
| Use case | Vstorm fit | Matellio fit | Winner |
|---|---|---|---|
| Buyers wanting a vendor whose entire business is agentic AI, at a small-agency scale | Strong | Strong | Both equally |
| Teams wanting standardized AGENTS.md documentation baked into delivery | Strong | Limited | Vstorm |
| Bundling agentic AI development with a broader enterprise cloud application modernization build | Limited | Strong | Matellio |
| Fortune 500 buyers wanting reference checks against similarly sized past clients | Limited | Strong | Matellio |
| Fixed-price build | Limited | Limited | Both equally |
| Staff augmentation | Limited | Limited | Both equally |
Verdict: Vstorm vs Matellio
Vstorm (4.4/5) is the stronger overall choice for most AI Agent Development projects. First AI consultancy accepted into the Agentic AI Foundation, at a genuinely boutique (11–50 person) agency scale.. It is best for buyers wanting a genuinely small agency whose entire practice is agentic AI, with an independently verifiable AAIF credential..
Matellio (3.8/5) is the better choice when buyers wanting a single agency for both agentic AI and a broader cloud-native application modernization build.. If your situation matches those criteria, Matellio is a competitive option.
Related comparisons
Vstorm vs Matellio FAQ
Is Vstorm better than Matellio?
Vstorm (4.4/5) scores higher overall, but "better" depends on your use case. Vstorm is better for buyers wanting a genuinely small agency whose entire practice is agentic AI, with an independently verifiable AAIF credential.. Matellio is better for buyers wanting a single agency for both agentic AI and a broader cloud-native application modernization build..
How do Vstorm and Matellio differ in pricing?
Vstorm uses fixed project, dedicated team pricing with a minimum engagement of Not published. Matellio uses fixed project, dedicated team pricing with a minimum engagement of $25K (per company website; independently unverifiable). Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.
Which is better for enterprise: Vstorm or Matellio?
Matellio is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each agency before shortlisting.
What are the main differences between Vstorm and Matellio?
Vstorm's primary differentiator is: first ai consultancy accepted into the agentic ai foundation, at a genuinely boutique (11–50 person) agency scale.. Matellio's primary differentiator is: serves both startups and fortune 500 clients from the same agency, giving buyers a reference spectrum matched to company size.. They also differ in team size (11–50 vs 51–250), minimum engagement (Not published vs $25K (per company website; independently unverifiable)), and primary industries served (Technology & SaaS, Financial Services vs Technology & SaaS, Healthcare).
Last reviewed: August 2026. Verify all details directly with each agency before making a decision.