Matellio vs B12 Consulting: full comparison for 2026
Last updated: August 2026
Quick verdict
Matellio (3.8/5) edges ahead of B12 Consulting (3.7/5) overall. Matellio is the better choice for buyers wanting a single agency for both agentic AI and a broader cloud-native application modernization build.. B12 Consulting is the stronger option for buyers wanting a small, deeply technical Belgian agency founded by physics researchers.. The right choice depends on your project size, budget, and required tech stack.
Matellio vs B12 Consulting: head-to-head summary
| Criterion | Matellio | B12 Consulting |
|---|---|---|
| Founded | 2014 | 2012 |
| HQ | San Jose, CA, USA | Louvain-la-Neuve, Belgium |
| Team size | 51–250 | 11–50 |
| Rating | 3.8 / 5 | 3.7 / 5 |
| Best for | Buyers wanting a single agency for both agentic AI and a broader cloud-native application modernization build. | Buyers wanting a small, deeply technical Belgian agency founded by physics researchers. |
| Pricing model | Fixed project, dedicated team | Fixed project, staff augmentation |
| Min. engagement | $25K (per company website; independently unverifiable) | Not published |
| Primary tech stack | Python, LangChain, AWS | Python, LangChain, AWS |
| Industries served | Technology & SaaS, Healthcare, Retail & E-commerce, Manufacturing | Manufacturing, Technology & SaaS |
Matellio vs B12 Consulting: overview
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.
B12 Consulting
B12 Consulting was founded in 2012 by a group of PhDs in Physics sharing a passion for complex problem solving, headquartered in Louvain-la-Neuve, Belgium with an additional Brussels presence, and roughly 35 FTE. It is an agency expert in artificial intelligence, data science, and custom software development, with a technical, research-adjacent culture reflecting its founders' academic backgrounds.
Services and capabilities: Matellio vs B12 Consulting
| Capability | Matellio | B12 Consulting |
|---|---|---|
| Multi-agent orchestration | ✗ | ✗ |
| RAG / knowledge integration | ✗ | ✗ |
| Workflow & systems integration | ✓ | ✓ |
| Coding agents | ✗ | ✗ |
| Monitoring & anomaly detection | ✗ | ✗ |
| Customer-facing agents | ✗ | ✗ |
Tech stack comparison: Matellio vs B12 Consulting
| Framework / platform | Matellio | B12 Consulting |
|---|---|---|
| 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: Matellio vs B12 Consulting
| Criterion | Matellio | B12 Consulting |
|---|---|---|
| Minimum engagement | $25K (per company website; independently unverifiable) | Not published |
| Engagement models | Fixed project, Dedicated team | Fixed project, Staff augmentation |
| Rate transparency | Minimum disclosed | Minimum disclosed |
| Price tier | Accessible | Mid-market |
Target audience comparison: Matellio vs B12 Consulting
| Dimension | Matellio | B12 Consulting |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Technology & SaaS, Healthcare, Retail & E-commerce | Manufacturing, Technology & SaaS |
| Best use cases | Bundling agentic AI development with a broader enterprise cloud application modernization build, Fortune 500 buyers wanting reference checks against similarly sized past clients | Buyers wanting a small, technically rigorous Belgian agency for a well-scoped project, Complex data-science-adjacent agentic AI problems suited to a research-oriented team |
| Typical project type | Fixed project | Fixed project |
Matellio vs B12 Consulting: pros and cons
| 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 |
| B12 Consulting | |
|---|---|
| + | Founded by PhDs in Physics, giving it an unusually research-adjacent technical culture |
| + | Over a decade of continuous operating history since 2012 |
| + | Brussels presence alongside Louvain-la-Neuve headquarters gives access to EU institutional buyers |
| + | Compact ~35 FTE team keeps senior staff hands-on across every engagement |
| - | Very small team (~35 FTE) caps capacity for large or highly parallel programs |
| - | Minimum engagement figures are not published, requiring direct sales contact for early budgeting |
| - | Fewer named large-enterprise case studies than other agencies on this list |
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.
Who should choose B12 Consulting?
B12 Consulting is the right choice for buyers wanting a small, deeply technical Belgian agency founded by physics researchers..
Founded by PhDs in Physics, giving it a research-adjacent, deeply technical culture uncommon among agencies of its size.. Minimum engagement starts at Not published. Works best with clients in Manufacturing, Technology & SaaS.
Decision matrix: Matellio vs B12 Consulting
| Your situation | Recommended choice |
|---|---|
| You need full-ownership delivery on a defined project scope | Matellio |
| You need a large dedicated team for an ongoing programme | Matellio |
| Your budget is at the lower end | Compare: Matellio ($25K (per company website; independently unverifiable)) vs B12 Consulting (Not published) |
| 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: Matellio vs B12 Consulting
| Use case | Matellio fit | B12 Consulting fit | Winner |
|---|---|---|---|
| Bundling agentic AI development with a broader enterprise cloud application modernization build | Strong | Limited | Matellio |
| Fortune 500 buyers wanting reference checks against similarly sized past clients | Strong | Limited | Matellio |
| Buyers wanting a small, technically rigorous Belgian agency for a well-scoped project | Strong | Strong | Both equally |
| Complex data-science-adjacent agentic AI problems suited to a research-oriented team | Limited | Strong | B12 Consulting |
| Fixed-price build | Limited | Limited | Both equally |
| Staff augmentation | Limited | Limited | Both equally |
Verdict: Matellio vs B12 Consulting
Matellio (3.8/5) is the stronger overall choice for most AI Agent Development projects. Serves both startups and Fortune 500 clients from the same agency, giving buyers a reference spectrum matched to company size.. It is best for buyers wanting a single agency for both agentic AI and a broader cloud-native application modernization build..
B12 Consulting (3.7/5) is the better choice when buyers wanting a small, deeply technical Belgian agency founded by physics researchers.. If your situation matches those criteria, B12 Consulting is a competitive option.
Related comparisons
Matellio vs B12 Consulting FAQ
Is Matellio better than B12 Consulting?
Matellio (3.8/5) scores higher overall, but "better" depends on your use case. Matellio is better for buyers wanting a single agency for both agentic AI and a broader cloud-native application modernization build.. B12 Consulting is better for buyers wanting a small, deeply technical Belgian agency founded by physics researchers..
How do Matellio and B12 Consulting differ in pricing?
Matellio uses fixed project, dedicated team pricing with a minimum engagement of $25K (per company website; independently unverifiable). B12 Consulting uses fixed project, 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: Matellio or B12 Consulting?
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 Matellio and B12 Consulting?
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.. B12 Consulting's primary differentiator is: founded by phds in physics, giving it a research-adjacent, deeply technical culture uncommon among agencies of its size.. They also differ in team size (51–250 vs 11–50), minimum engagement ($25K (per company website; independently unverifiable) vs Not published), and primary industries served (Technology & SaaS, Healthcare vs Manufacturing, Technology & SaaS).
Last reviewed: August 2026. Verify all details directly with each agency before making a decision.