Best Agentic AI Companies

Vstorm vs Matellio: full comparison for 2026

Last updated: August 2026

Quick verdict

Vstorm (4.6/5) edges ahead of Matellio (3.8/5) overall. Vstorm is the better choice for buyers wanting a company whose entire practice is agentic AI, not a generalist shop with an AI page.. Matellio is the stronger option for enterprises that want agentic AI folded into a broader cloud-native application modernization project.. 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 4.6 / 5 3.8 / 5
Best for Buyers wanting a company whose entire practice is agentic AI, not a generalist shop with an AI page. Enterprises that want agentic AI folded into a broader cloud-native application modernization project.
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 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 has published its own TriStorm delivery framework, alongside a public commitment to AGENTS.md documentation on every project it delivers.

Matellio

Matellio is a custom software development company 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. It builds AI platforms and cloud-native enterprise applications across a client base ranging from startups to Fortune 500 companies, with agentic AI as one part of a broader AI and cloud engineering practice.

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 Companies wanting a vendor whose entire business is agentic AI, no other service lines, Teams wanting standardized AGENTS.md documentation baked into delivery for future maintainability Adding an AI agent layer to an existing enterprise application modernization project, Building workflow-automation agents integrated with a newly built cloud-native platform
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
+ Exclusively agentic AI as its practice, not a generalist shop with an AI service line added on
+ Named proprietary delivery framework (TriStorm) gives buyers a concrete methodology to evaluate
+ Standardizes AGENTS.md documentation across every delivered 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 competitors 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 clients wanting both US-based and offshore delivery
+ Serves everything from startups to Fortune 500 clients, giving 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, 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 company whose entire practice is agentic AI, not a generalist shop with an AI page..

First AI consultancy accepted into the Agentic AI Foundation, with a named proprietary delivery framework (TriStorm) and standardized AGENTS.md documentation.. 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 enterprises that want agentic AI folded into a broader cloud-native application modernization project..

Combines AI/agent development with broader enterprise cloud application engineering under one roof.. 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
Companies wanting a vendor whose entire business is agentic AI, no other service lines Strong Limited Vstorm
Teams wanting standardized AGENTS.md documentation baked into delivery for future maintainability Strong Limited Vstorm
Adding an AI agent layer to an existing enterprise application modernization project Limited Strong Matellio
Building workflow-automation agents integrated with a newly built cloud-native platform Limited Strong Matellio
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: Vstorm vs Matellio

Vstorm (4.6/5) is the stronger overall choice for most Agentic AI projects. First AI consultancy accepted into the Agentic AI Foundation, with a named proprietary delivery framework (TriStorm) and standardized AGENTS.md documentation.. It is best for buyers wanting a company whose entire practice is agentic AI, not a generalist shop with an AI page..

Matellio (3.8/5) is the better choice when enterprises that want agentic AI folded into a broader cloud-native application modernization project.. If your situation matches those criteria, Matellio is a competitive option.

Related comparisons

Vstorm vs Matellio FAQ

Is Vstorm better than Matellio?

Vstorm (4.6/5) scores higher overall, but "better" depends on your use case. Vstorm is better for buyers wanting a company whose entire practice is agentic AI, not a generalist shop with an AI page.. Matellio is better for enterprises that want agentic AI folded into a broader cloud-native application modernization project..

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 company 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, with a named proprietary delivery framework (tristorm) and standardized agents.md documentation.. Matellio's primary differentiator is: combines ai/agent development with broader enterprise cloud application engineering under one roof.. 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 company before making a decision.