Best AI Agent Development Companies in Europe

Vstorm vs BotsCrew: full comparison for 2026

Last updated: August 2026

Quick verdict

Vstorm (4.6/5) edges ahead of BotsCrew (3.6/5) 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.. BotsCrew is the stronger option for uK and European buyers wanting a compact, conversational-AI-native team to build customer-facing agentic dialogue systems.. The right choice depends on your project size, budget, and required tech stack.

Vstorm vs BotsCrew: head-to-head summary

Criterion Vstorm BotsCrew
Founded 2017 2016
HQ Wrocław, Poland London, UK
Team size 11–50 51–100
Rating 4.6 / 5 3.6 / 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. UK and European buyers wanting a compact, conversational-AI-native team to build customer-facing agentic dialogue systems.
Pricing model Fixed project, dedicated team Fixed project, dedicated team
Min. engagement Not published Not published
Primary tech stack Python, LangChain, LangGraph Python, LangChain, OpenAI
Industries served Technology & SaaS, Financial Services, Retail & E-commerce Retail & E-commerce, Technology & SaaS, Healthcare

Vstorm vs BotsCrew: 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.

BotsCrew

BotsCrew is a conversational AI development company founded in 2016, with reported headquarters in London, UK (also San Francisco) and delivery teams in Lviv, Ukraine and Adelaide, Australia, totaling roughly 73 employees. Led by CEO Nazar Hembara and Managing Director Max Gladysh, it has extended its original chatbot-development practice into autonomous, multi-step agentic systems. Its London office gives it a UK legal entity for European clients, while its Lviv delivery team sits outside the EU proper.

Services and capabilities: Vstorm vs BotsCrew

Capability Vstorm BotsCrew
Multi-agent orchestration
RAG / knowledge integration
Workflow & systems integration
Coding agents
Monitoring & anomaly detection
Customer-facing agents

Tech stack comparison: Vstorm vs BotsCrew

Framework / platform Vstorm BotsCrew
LangChain
LangGraph N/A
AutoGen N/A N/A
LlamaIndex N/A N/A
OpenAI
Anthropic Claude N/A
Pinecone N/A N/A
AWS
Azure N/A N/A
Kubernetes N/A N/A

Pricing comparison: Vstorm vs BotsCrew

Criterion Vstorm BotsCrew
Minimum engagement Not published Not published
Engagement models Fixed project, Dedicated team Fixed project, Dedicated team
Rate transparency Minimum disclosed Minimum disclosed
Price tier Mid-market Mid-market

Target audience comparison: Vstorm vs BotsCrew

Dimension Vstorm BotsCrew
Best company size Startup to mid-market Startup to mid-market
Best industries Technology & SaaS, Financial Services, Retail & E-commerce Retail & E-commerce, Technology & SaaS, Healthcare
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 UK and European buyers building autonomous, multi-step conversational agents rather than fixed-tree chatbots, Well-scoped customer-facing agentic dialogue projects for mid-market clients
Typical project type Fixed project Fixed project

Vstorm vs BotsCrew: 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
BotsCrew
+ London office gives it a UK legal entity accessible to European clients
+ A decade of dedicated conversational AI development history since 2016
+ Founder-led (Nazar Hembara, Max Gladysh) continuity
+ Dialogue-design expertise transfers directly into more natural agentic conversation quality
- UK-headquartered, so post-Brexit it sits outside strict EU jurisdiction for its own corporate entity
- Lviv, Ukraine delivery team sits outside the EU proper — worth confirming per-project data handling
- ~73-person team caps capacity for large or highly parallel enterprise programs

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 BotsCrew?

BotsCrew is the right choice for uK and European buyers wanting a compact, conversational-AI-native team to build customer-facing agentic dialogue systems..

A decade of dedicated conversational AI/chatbot delivery experience applied specifically to autonomous, multi-step agentic dialogue, with a UK legal entity.. Minimum engagement starts at Not published. Works best with clients in Retail & E-commerce, Technology & SaaS, Healthcare.

Decision matrix: Vstorm vs BotsCrew

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 BotsCrew (Not published)
You need specialist depth in a specific vertical Vstorm
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 BotsCrew

Use case Vstorm fit BotsCrew 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
UK and European buyers building autonomous, multi-step conversational agents rather than fixed-tree chatbots Limited Strong BotsCrew
Well-scoped customer-facing agentic dialogue projects for mid-market clients Limited Strong BotsCrew
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: Vstorm vs BotsCrew

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..

BotsCrew (3.6/5) is the better choice when uK and European buyers wanting a compact, conversational-AI-native team to build customer-facing agentic dialogue systems.. If your situation matches those criteria, BotsCrew is a competitive option.

Related comparisons

Vstorm vs BotsCrew FAQ

Is Vstorm better than BotsCrew?

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.. BotsCrew is better for uK and European buyers wanting a compact, conversational-AI-native team to build customer-facing agentic dialogue systems..

How do Vstorm and BotsCrew differ in pricing?

Vstorm uses fixed project, dedicated team pricing with a minimum engagement of Not published. BotsCrew uses fixed project, dedicated team 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 BotsCrew?

BotsCrew 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 BotsCrew?

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.. BotsCrew's primary differentiator is: a decade of dedicated conversational ai/chatbot delivery experience applied specifically to autonomous, multi-step agentic dialogue, with a uk legal entity.. They also differ in team size (11–50 vs 51–100), minimum engagement (Not published vs Not published), and primary industries served (Technology & SaaS, Financial Services vs Retail & E-commerce, Technology & SaaS).

Last reviewed: August 2026. Verify all details directly with each company before making a decision.