B12 Consulting vs LeewayHertz: full comparison for 2026
Last updated: August 2026
Quick verdict
B12 Consulting (3.7/5) edges ahead of LeewayHertz (3.5/5) overall. B12 Consulting is the better choice for buyers wanting a small, deeply technical Belgian agency founded by physics researchers.. LeewayHertz is the stronger option for buyers wanting multi-agent system design with deep ERP/CRM integration, now backed by Hackett Group's consulting reach.. The right choice depends on your project size, budget, and required tech stack.
B12 Consulting vs LeewayHertz: head-to-head summary
| Criterion | B12 Consulting | LeewayHertz |
|---|---|---|
| Founded | 2012 | 2007 |
| HQ | Louvain-la-Neuve, Belgium | Gurugram, India |
| Team size | 11–50 | 51–300 |
| Rating | 3.7 / 5 | 3.5 / 5 |
| Best for | Buyers wanting a small, deeply technical Belgian agency founded by physics researchers. | Buyers wanting multi-agent system design with deep ERP/CRM integration, now backed by Hackett Group's consulting reach. |
| Pricing model | Fixed project, staff augmentation | Fixed project, dedicated team |
| Min. engagement | Not published | $25K (per company website; independently unverifiable) |
| Primary tech stack | Python, LangChain, AWS | Python, LangChain, LangGraph |
| Industries served | Manufacturing, Technology & SaaS | Financial Services, Manufacturing, Retail & E-commerce, Technology & SaaS |
B12 Consulting vs LeewayHertz: overview
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.
LeewayHertz
LeewayHertz is an AI development agency founded in 2007, with LinkedIn listing its headquarters in Gurugram, Haryana, India and other sources noting a San Francisco corporate office; reported headcount ranges from roughly 180 to 300 employees. The firm was acquired by The Hackett Group on September 16, 2024, which now folds LeewayHertz's agentic AI capability into Hackett's broader enterprise consulting business — a material ownership change buyers should factor into long-term vendor continuity planning.
Services and capabilities: B12 Consulting vs LeewayHertz
| Capability | B12 Consulting | LeewayHertz |
|---|---|---|
| Multi-agent orchestration | ✗ | ✓ |
| RAG / knowledge integration | ✗ | ✓ |
| Workflow & systems integration | ✓ | ✓ |
| Coding agents | ✗ | ✗ |
| Monitoring & anomaly detection | ✗ | ✗ |
| Customer-facing agents | ✗ | ✗ |
Tech stack comparison: B12 Consulting vs LeewayHertz
| Framework / platform | B12 Consulting | LeewayHertz |
|---|---|---|
| LangChain | ✓ | ✓ |
| LangGraph | 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: B12 Consulting vs LeewayHertz
| Criterion | B12 Consulting | LeewayHertz |
|---|---|---|
| Minimum engagement | Not published | $25K (per company website; independently unverifiable) |
| Engagement models | Fixed project, Staff augmentation | Fixed project, Dedicated team |
| Rate transparency | Minimum disclosed | Minimum disclosed |
| Price tier | Mid-market | Accessible |
Target audience comparison: B12 Consulting vs LeewayHertz
| Dimension | B12 Consulting | LeewayHertz |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Manufacturing, Technology & SaaS | Financial Services, Manufacturing, Retail & E-commerce |
| Best use cases | 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 | Multi-agent architecture design for data-rich enterprise environments, Agents requiring deep ERP or CRM integration (e.g. Salesforce, SAP) |
| Typical project type | Fixed project | Fixed project |
B12 Consulting vs LeewayHertz: pros and cons
| 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 |
| LeewayHertz | |
|---|---|
| + | Nearly two decades of AI development history since 2007 |
| + | Deep experience with multi-agent orchestration framework selection for complex environments |
| + | Strong ERP/CRM integration experience for enterprise data-rich deployments |
| + | Post-acquisition access to The Hackett Group's broader enterprise consulting network |
| - | Acquired by The Hackett Group in September 2024 — a material ownership change that can affect team continuity |
| - | Reported headquarters and headcount vary noticeably across sources, worth confirming directly post-acquisition |
| - | Heavy content-marketing presence means its public profile can outpace independently verified differentiation versus peers of similar size |
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.
Who should choose LeewayHertz?
LeewayHertz is the right choice for buyers wanting multi-agent system design with deep ERP/CRM integration, now backed by Hackett Group's consulting reach..
Deep multi-agent architecture and orchestration-framework selection experience, now combined with The Hackett Group's enterprise consulting network post-acquisition.. Minimum engagement starts at $25K (per company website; independently unverifiable). Works best with clients in Financial Services, Manufacturing, Retail & E-commerce, Technology & SaaS.
Decision matrix: B12 Consulting vs LeewayHertz
| Your situation | Recommended choice |
|---|---|
| You need full-ownership delivery on a defined project scope | B12 Consulting |
| You need a large dedicated team for an ongoing programme | LeewayHertz |
| Your budget is at the lower end | Compare: B12 Consulting (Not published) vs LeewayHertz ($25K (per company website; independently unverifiable)) |
| You need specialist depth in a specific vertical | LeewayHertz |
| 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: B12 Consulting vs LeewayHertz
| Use case | B12 Consulting fit | LeewayHertz fit | Winner |
|---|---|---|---|
| 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 | Strong | Limited | B12 Consulting |
| Multi-agent architecture design for data-rich enterprise environments | Limited | Strong | LeewayHertz |
| Agents requiring deep ERP or CRM integration (e.g. Salesforce, SAP) | Limited | Strong | LeewayHertz |
| Fixed-price build | Limited | Limited | Both equally |
| Staff augmentation | Limited | Limited | Both equally |
Verdict: B12 Consulting vs LeewayHertz
B12 Consulting (3.7/5) is the stronger overall choice for most AI Agent Development projects. Founded by PhDs in Physics, giving it a research-adjacent, deeply technical culture uncommon among agencies of its size.. It is best for buyers wanting a small, deeply technical Belgian agency founded by physics researchers..
LeewayHertz (3.5/5) is the better choice when buyers wanting multi-agent system design with deep ERP/CRM integration, now backed by Hackett Group's consulting reach.. If your situation matches those criteria, LeewayHertz is a competitive option.
Related comparisons
B12 Consulting vs LeewayHertz FAQ
Is B12 Consulting better than LeewayHertz?
B12 Consulting (3.7/5) scores higher overall, but "better" depends on your use case. B12 Consulting is better for buyers wanting a small, deeply technical Belgian agency founded by physics researchers.. LeewayHertz is better for buyers wanting multi-agent system design with deep ERP/CRM integration, now backed by Hackett Group's consulting reach..
How do B12 Consulting and LeewayHertz differ in pricing?
B12 Consulting uses fixed project, staff augmentation pricing with a minimum engagement of Not published. LeewayHertz 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: B12 Consulting or LeewayHertz?
LeewayHertz 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 B12 Consulting and LeewayHertz?
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.. LeewayHertz's primary differentiator is: deep multi-agent architecture and orchestration-framework selection experience, now combined with the hackett group's enterprise consulting network post-acquisition.. They also differ in team size (11–50 vs 51–300), minimum engagement (Not published vs $25K (per company website; independently unverifiable)), and primary industries served (Manufacturing, Technology & SaaS vs Financial Services, Manufacturing).
Last reviewed: August 2026. Verify all details directly with each agency before making a decision.