Best AI Agent Development Agencies

Rootstrap vs Matellio: full comparison for 2026

Last updated: August 2026

Quick verdict

Rootstrap (3.9/5) edges ahead of Matellio (3.8/5) overall. Rootstrap is the better choice for product teams wanting an agency to integrate multi-agent workflows directly into a shipped digital product.. 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.

Rootstrap vs Matellio: head-to-head summary

Criterion Rootstrap Matellio
Founded 2011 2014
HQ West Hollywood, CA, USA San Jose, CA, USA
Team size 201–500 51–250
Rating 3.9 / 5 3.8 / 5
Best for Product teams wanting an agency to integrate multi-agent workflows directly into a shipped digital product. 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, React Python, LangChain, AWS
Industries served Technology & SaaS, Retail & E-commerce, Healthcare Technology & SaaS, Healthcare, Retail & E-commerce, Manufacturing

Rootstrap vs Matellio: overview

Rootstrap

Rootstrap is a software development agency founded in 2011 and headquartered in West Hollywood, California, with additional offices in New York, Montevideo, and Buenos Aires, and roughly 190–200 employees. It is known specifically for integrating multi-agent workflows into digital products rather than delivering standalone backend automation, applying existing product-engineering discipline to agentic feature work. An Inc. 5000 honoree, its Latin American delivery centers give it a cost-effective bench for agency-scale engagements.

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: Rootstrap vs Matellio

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

Tech stack comparison: Rootstrap vs Matellio

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

Pricing comparison: Rootstrap vs Matellio

Criterion Rootstrap 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: Rootstrap vs Matellio

Dimension Rootstrap Matellio
Best company size Startup to mid-market Startup to mid-market
Best industries Technology & SaaS, Retail & E-commerce, Healthcare Technology & SaaS, Healthcare, Retail & E-commerce
Best use cases Integrating multi-agent workflows directly into a consumer or enterprise digital product, Startups needing both product engineering and agentic AI capability from one agency 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

Rootstrap vs Matellio: pros and cons

Rootstrap
+ Specific track record integrating multi-agent workflows directly into shipped digital products
+ Multi-region footprint (US, Uruguay, Argentina) balances US account management with cost-effective delivery
+ Inc. 5000 honoree with over a decade of operating history since 2011
+ Product-engineering discipline means agentic features arrive with real UX consideration
- Minimum engagement figures are not published, requiring direct sales contact for early budgeting
- Broader product-agency origins mean agentic-specific depth should be confirmed against narrower specialists
- Reported headcount varies by source (roughly 191 to 500), worth confirming directly
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 Rootstrap?

Rootstrap is the right choice for product teams wanting an agency to integrate multi-agent workflows directly into a shipped digital product..

Known specifically for integrating multi-agent workflows into shipped digital products, not standalone backend automation.. Minimum engagement starts at Not published. Works best with clients in Technology & SaaS, Retail & E-commerce, Healthcare.

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: Rootstrap vs Matellio

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Rootstrap
You need a large dedicated team for an ongoing programme Rootstrap
Your budget is at the lower end Compare: Rootstrap (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: Rootstrap vs Matellio

Use case Rootstrap fit Matellio fit Winner
Integrating multi-agent workflows directly into a consumer or enterprise digital product Strong Limited Rootstrap
Startups needing both product engineering and agentic AI capability from one agency Strong Strong Both equally
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: Rootstrap vs Matellio

Rootstrap (3.9/5) is the stronger overall choice for most AI Agent Development projects. Known specifically for integrating multi-agent workflows into shipped digital products, not standalone backend automation.. It is best for product teams wanting an agency to integrate multi-agent workflows directly into a shipped digital product..

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

Rootstrap vs Matellio FAQ

Is Rootstrap better than Matellio?

Rootstrap (3.9/5) scores higher overall, but "better" depends on your use case. Rootstrap is better for product teams wanting an agency to integrate multi-agent workflows directly into a shipped digital product.. Matellio is better for buyers wanting a single agency for both agentic AI and a broader cloud-native application modernization build..

How do Rootstrap and Matellio differ in pricing?

Rootstrap 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: Rootstrap or Matellio?

Rootstrap 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 Rootstrap and Matellio?

Rootstrap's primary differentiator is: known specifically for integrating multi-agent workflows into shipped digital products, not standalone backend automation.. 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 (201–500 vs 51–250), minimum engagement (Not published vs $25K (per company website; independently unverifiable)), and primary industries served (Technology & SaaS, Retail & E-commerce vs Technology & SaaS, Healthcare).

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