OpenKit vs B12 Consulting: full comparison for 2026
Last updated: August 2026
Quick verdict
OpenKit (3.9/5) edges ahead of B12 Consulting (3.7/5) overall. OpenKit is the better choice for uK SMEs wanting a genuinely tiny, security-certified agency for a well-scoped AI agent or RAG project.. 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.
OpenKit vs B12 Consulting: head-to-head summary
| Criterion | OpenKit | B12 Consulting |
|---|---|---|
| Founded | 2019 | 2012 |
| HQ | Durham, UK | Louvain-la-Neuve, Belgium |
| Team size | 2–10 | 11–50 |
| Rating | 3.9 / 5 | 3.7 / 5 |
| Best for | UK SMEs wanting a genuinely tiny, security-certified agency for a well-scoped AI agent or RAG project. | Buyers wanting a small, deeply technical Belgian agency founded by physics researchers. |
| Pricing model | Fixed project, staff augmentation | Fixed project, staff augmentation |
| Min. engagement | Not published | Not published |
| Primary tech stack | Python, LangChain, AWS | Python, LangChain, AWS |
| Industries served | Healthcare, Financial Services, Manufacturing | Manufacturing, Technology & SaaS |
OpenKit vs B12 Consulting: overview
OpenKit
OpenKit is a UK-based AI and software development agency founded in 2019, headquartered in Durham with additional presence in London and Cambridge, and a very small team of just 2–10 people. Despite its size, it holds ISO 27001 and ISO 9001 certifications and is Cyber Essentials certified — independently verifiable security credentials unusual for a micro-agency, serving legal, healthcare, education, financial services, and manufacturing SMEs and mid-market businesses across the UK.
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: OpenKit vs B12 Consulting
| Capability | OpenKit | B12 Consulting |
|---|---|---|
| Multi-agent orchestration | ✗ | ✗ |
| RAG / knowledge integration | ✓ | ✗ |
| Workflow & systems integration | ✓ | ✓ |
| Coding agents | ✓ | ✗ |
| Monitoring & anomaly detection | ✗ | ✗ |
| Customer-facing agents | ✗ | ✗ |
Tech stack comparison: OpenKit vs B12 Consulting
| Framework / platform | OpenKit | 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 | N/A |
| Kubernetes | N/A | N/A |
Pricing comparison: OpenKit vs B12 Consulting
| Criterion | OpenKit | B12 Consulting |
|---|---|---|
| Minimum engagement | Not published | Not published |
| Engagement models | Fixed project, Staff augmentation | Fixed project, Staff augmentation |
| Rate transparency | Minimum disclosed | Minimum disclosed |
| Price tier | Mid-market | Mid-market |
Target audience comparison: OpenKit vs B12 Consulting
| Dimension | OpenKit | B12 Consulting |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Healthcare, Financial Services, Manufacturing | Manufacturing, Technology & SaaS |
| Best use cases | UK SMEs wanting a certified, security-conscious micro-agency for a single well-scoped project, Legal or healthcare clients needing ISO-certified AI development at small-agency cost | 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 |
OpenKit vs B12 Consulting: pros and cons
| OpenKit | |
|---|---|
| + | ISO 27001, ISO 9001, and Cyber Essentials certifications are independently verifiable, unusual for its tiny size |
| + | Genuinely micro-agency scale (2–10 people) means direct founder-level access on every engagement |
| + | Serves regulated SME sectors (legal, healthcare, financial services) requiring real security rigor |
| + | UK-based with London and Cambridge presence alongside its Durham headquarters |
| - | Extremely small team (2–10 people) caps capacity to one or two concurrent engagements at most |
| - | Minimum engagement figures are not published, requiring direct sales contact for early budgeting |
| - | Founded relatively recently (2019), giving it a shorter track record than most agencies on this list |
| 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 OpenKit?
OpenKit is the right choice for uK SMEs wanting a genuinely tiny, security-certified agency for a well-scoped AI agent or RAG project..
ISO 27001, ISO 9001, and Cyber Essentials certifications at a 2–10 person micro-agency scale — unusual security rigor for its size.. Minimum engagement starts at Not published. Works best with clients in Healthcare, Financial Services, 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: OpenKit vs B12 Consulting
| Your situation | Recommended choice |
|---|---|
| You need full-ownership delivery on a defined project scope | OpenKit |
| You need a large dedicated team for an ongoing programme | Check each company's engagement model |
| Your budget is at the lower end | Compare: OpenKit (Not published) vs B12 Consulting (Not published) |
| You need specialist depth in a specific vertical | OpenKit |
| 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: OpenKit vs B12 Consulting
| Use case | OpenKit fit | B12 Consulting fit | Winner |
|---|---|---|---|
| UK SMEs wanting a certified, security-conscious micro-agency for a single well-scoped project | Strong | Limited | OpenKit |
| Legal or healthcare clients needing ISO-certified AI development at small-agency cost | Strong | Limited | OpenKit |
| 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: OpenKit vs B12 Consulting
OpenKit (3.9/5) is the stronger overall choice for most AI Agent Development projects. ISO 27001, ISO 9001, and Cyber Essentials certifications at a 2–10 person micro-agency scale — unusual security rigor for its size.. It is best for uK SMEs wanting a genuinely tiny, security-certified agency for a well-scoped AI agent or RAG project..
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
OpenKit vs B12 Consulting FAQ
Is OpenKit better than B12 Consulting?
OpenKit (3.9/5) scores higher overall, but "better" depends on your use case. OpenKit is better for uK SMEs wanting a genuinely tiny, security-certified agency for a well-scoped AI agent or RAG project.. B12 Consulting is better for buyers wanting a small, deeply technical Belgian agency founded by physics researchers..
How do OpenKit and B12 Consulting differ in pricing?
OpenKit uses fixed project, staff augmentation pricing with a minimum engagement of Not published. 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: OpenKit or B12 Consulting?
B12 Consulting 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 OpenKit and B12 Consulting?
OpenKit's primary differentiator is: iso 27001, iso 9001, and cyber essentials certifications at a 2–10 person micro-agency scale — unusual security rigor for its 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 (2–10 vs 11–50), minimum engagement (Not published vs Not published), and primary industries served (Healthcare, Financial Services vs Manufacturing, Technology & SaaS).
Last reviewed: August 2026. Verify all details directly with each agency before making a decision.