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Top generative AI consulting companies (and which one fits your company)
By Yath Regmi, Founder, Kodec
Verified on Updated Published
Short answer
The top generative AI consulting companies for a large company with many systems and a board-level plan are Accenture, Deloitte, BCG X and IBM. For a company with a tech team and a defined build, look at HatchWorks AI or LeewayHertz. If you own a home services, real estate, mortgage or law company and want AI tied to dollars, Kodec is one option.
When this is the right call
If your company is big, pick a big firm. Accenture, Deloitte, BCG X and IBM have large teams and big partner networks, as their own pages show. A company with dozens of systems, strict rules and a board that wants a plan needs that reach. Kodec does not try to match it. A global firm is also the right call when you need an outside name on a report for your board or your regulator. A smaller firm can build the work. It cannot give you that cover.
Top generative AI consulting companies by company size and need
| Your company | Your need | Start with | Why |
|---|---|---|---|
| Large, many systems, a board or regulator watching | Strategy and a plan | Accenture, Deloitte, BCG X or IBM Consulting | Each offers strategy plus a delivery arm. Each speaks to large companies. |
| Large or mid-size, tech team in place | Build | HatchWorks AI, LeewayHertz or Monks Technology Services | Their sites describe pods, dedicated teams or team extension that sit beside your engineers. |
| Mid-size, no AI team yet | Strategy and build as one team | Tribe AI, KUNGFU.AI or Slalom | Each says strategy and engineering work together, with a path to production. |
| Any size, data must stay in-house | Private AI | Ask each firm where your data goes during use, then compare | Iternal sells a local, air-gapped tool but ranks itself first in its own list, so check it like any vendor. Kodec builds self-hosted systems for its four industries. |
| Owner-run, in home services, real estate, mortgage or law | Build and run, tied to dollars | Kodec | It works only with owner-run companies in those four industries and tracks each dollar and hour against results. |
| Any size | Run it after launch | Ask before signing | Only some sites describe ongoing run work: BCG X (operate and transfer), Slalom (managed services), IBM (build and operate). |
The size bands are our judgment, not firm data. None of the firms except Kodec publish a size range for who they serve.
Side by side
Best for
| Accenture | Large programs: data foundation, then generative AI across functions.1 |
|---|---|
| Deloitte | Governance, risk and trust, plus tax and audit use cases.2 |
| BCG X | New products and AI systems built inside very large companies.3 |
| IBM Consulting | Large companies on IBM watsonx, multi-agent work and governance.4 |
| Slalom | Strategy through build, with knowledge transfer to your team.5 |
| HatchWorks AI | Turning AI into measured return: strategy, build, adoption.6 |
| LeewayHertz | Custom AI software and AI agents, plus its ZBrain platform.7 |
| Monks Technology Services | AI inside digital platforms, data and automation. Monks.Flow offers always-on agents.8 |
| Tribe AI | Getting enterprise AI into production with engineers inside your team.10 |
| KUNGFU.AI | AI only: strategy and engineering as one team, including board AI governance.11 |
| Kodec | Growth systems, internal tools, AI agents and private AI for owner-run companies. |
Client size on its own site
| Accenture | Names no size. Speaks to executives of large companies in every industry.1 |
|---|---|
| Deloitte | Any stage of AI, from checking readiness to company-wide change.2 |
| BCG X | Works with the world's largest organizations.3 |
| IBM Consulting | Names Nationwide, Coca-Cola Europacific Partners, and US state agencies.4 |
| Slalom | Names no AI size range. Shows healthcare, manufacturing, public sector and Siemens.5 |
| HatchWorks AI | Names no size. Shows large clients (AT&T, PwC, Kemper).6 |
| LeewayHertz | Startups and large enterprises. Owned by The Hackett Group.7 |
| Monks Technology Services | Not stated. Broader site speaks to brands and marketing.8 |
| Tribe AI | Says enterprise. Gives no size.10 |
| KUNGFU.AI | 30+ industries. Features healthcare, government and private equity.11 |
| Kodec | Owner-run companies of $1M to $20M in home services, real estate, mortgage and law. |
Engagement model
| Accenture | Not described on the page. Offers an AI platform (AI Refinery).1 |
|---|---|
| Deloitte | Entry points by maturity: Readiness, Acceleration, Advantage.2 |
| BCG X | Build, operate, scale and transfer. Also builds new ventures.3 |
| IBM Consulting | Strategic advisor and co-creation. Enterprise Advantage: build and operate an AI platform.4 |
| Slalom | Packaged: AI Transformation, AI Accelerate Teams, agentic managed services.5 |
| HatchWorks AI | Forward-deployed engineers, Agentic AI Pods, or one end-to-end program.6 |
| LeewayHertz | Dedicated team, team extension, or project-based.7 |
| Monks Technology Services | Not described. Lists seven tech services, including Data, AI and Automation.9 |
| Tribe AI | Three phases: Map, Build, Activate.10 |
| KUNGFU.AI | Strategy and engineering together, plus agentic AI and deployed AI.11 |
| Kodec | Builds and runs the systems. Tracks every dollar and hour against results. |
Who builds
| Accenture | Not stated. Names Anthropic, AWS, Google, Microsoft, NVIDIA and OpenAI as partners.1 |
|---|---|
| Deloitte | Not stated. Lists alliances with AWS, Google, Oracle, Salesforce, SAP, ServiceNow and Workday.2 |
| BCG X | States 3,000+ tech builders, designers and entrepreneurs.3 |
| IBM Consulting | IBM Consulting designs, builds and scales. States 75K trained consultants.4 |
| Slalom | Its consultants and product teams, with 700+ partners.5 |
| HatchWorks AI | US and nearshore engineers in the Americas.6 |
| LeewayHertz | Its own developers. Locations not stated on the page.7 |
| Monks Technology Services | Not stated.8 |
| Tribe AI | Forward-deployed engineers. Site does not say employee or contractor.10 |
| KUNGFU.AI | Its own AI, business and strategy team.11 |
| Kodec | Kodec's own team. |
First step
| Accenture | Not stated.1 |
|---|---|
| Deloitte | Pick your stage, or send a message or RFP.2 |
| BCG X | Contact link only.3 |
| IBM Consulting | Strategy, responsible-AI rules and data readiness first.4 |
| Slalom | Contact form, or the AI Transformation page.5 |
| HatchWorks AI | Its site says to start with AI Strategy and Roadmap.6 |
| LeewayHertz | Contact form. It sends an NDA before the first call.7 |
| Monks Technology Services | A contact form (Let's connect).8 |
| Tribe AI | Start a conversation. Map is the first phase.10 |
| KUNGFU.AI | Contact page. Case studies show advisory plus a proof of concept, or ranked use cases and a roadmap.11 |
| Kodec | A free working wireframe built for your business. |
| What it is | Best for | Client size on its own site | Engagement model | Who builds | First step |
|---|---|---|---|---|---|
| Accenture | Large programs: data foundation, then generative AI across functions.1 | Names no size. Speaks to executives of large companies in every industry.1 | Not described on the page. Offers an AI platform (AI Refinery).1 | Not stated. Names Anthropic, AWS, Google, Microsoft, NVIDIA and OpenAI as partners.1 | Not stated.1 |
| Deloitte | Governance, risk and trust, plus tax and audit use cases.2 | Any stage of AI, from checking readiness to company-wide change.2 | Entry points by maturity: Readiness, Acceleration, Advantage.2 | Not stated. Lists alliances with AWS, Google, Oracle, Salesforce, SAP, ServiceNow and Workday.2 | Pick your stage, or send a message or RFP.2 |
| BCG X | New products and AI systems built inside very large companies.3 | Works with the world's largest organizations.3 | Build, operate, scale and transfer. Also builds new ventures.3 | States 3,000+ tech builders, designers and entrepreneurs.3 | Contact link only.3 |
| IBM Consulting | Large companies on IBM watsonx, multi-agent work and governance.4 | Names Nationwide, Coca-Cola Europacific Partners, and US state agencies.4 | Strategic advisor and co-creation. Enterprise Advantage: build and operate an AI platform.4 | IBM Consulting designs, builds and scales. States 75K trained consultants.4 | Strategy, responsible-AI rules and data readiness first.4 |
| Slalom | Strategy through build, with knowledge transfer to your team.5 | Names no AI size range. Shows healthcare, manufacturing, public sector and Siemens.5 | Packaged: AI Transformation, AI Accelerate Teams, agentic managed services.5 | Its consultants and product teams, with 700+ partners.5 | Contact form, or the AI Transformation page.5 |
| HatchWorks AI | Turning AI into measured return: strategy, build, adoption.6 | Names no size. Shows large clients (AT&T, PwC, Kemper).6 | Forward-deployed engineers, Agentic AI Pods, or one end-to-end program.6 | US and nearshore engineers in the Americas.6 | Its site says to start with AI Strategy and Roadmap.6 |
| LeewayHertz | Custom AI software and AI agents, plus its ZBrain platform.7 | Startups and large enterprises. Owned by The Hackett Group.7 | Dedicated team, team extension, or project-based.7 | Its own developers. Locations not stated on the page.7 | Contact form. It sends an NDA before the first call.7 |
| Monks Technology Services | AI inside digital platforms, data and automation. Monks.Flow offers always-on agents.8 | Not stated. Broader site speaks to brands and marketing.8 | Not described. Lists seven tech services, including Data, AI and Automation.9 | Not stated.8 | A contact form (Let's connect).8 |
| Tribe AI | Getting enterprise AI into production with engineers inside your team.10 | Says enterprise. Gives no size.10 | Three phases: Map, Build, Activate.10 | Forward-deployed engineers. Site does not say employee or contractor.10 | Start a conversation. Map is the first phase.10 |
| KUNGFU.AI | AI only: strategy and engineering as one team, including board AI governance.11 | 30+ industries. Features healthcare, government and private equity.11 | Strategy and engineering together, plus agentic AI and deployed AI.11 | Its own AI, business and strategy team.11 | Contact page. Case studies show advisory plus a proof of concept, or ranked use cases and a roadmap.11 |
| Kodec | Growth systems, internal tools, AI agents and private AI for owner-run companies. | Owner-run companies of $1M to $20M in home services, real estate, mortgage and law. | Builds and runs the systems. Tracks every dollar and hour against results. | Kodec's own team. | A free working wireframe built for your business. |
Vendor by vendor
Global consultancies: Accenture, Deloitte, BCG X, IBM Consulting, Slalom
No public price on any of the five sites (checked Nov 14, 2026).1
Build-focused teams: HatchWorks AI, LeewayHertz, Monks Technology Services
No public price on any of the three sites (checked Nov 14, 2026).6
Good
Kodec: one option for owner-run companies
Kodec is a technology and operations firm for owner-run companies in home services, real estate, mortgage and law. It builds growth systems, internal tools, AI agents and automation. It also builds private AI: models that run on your own servers, and assistants that answer from your own files, so your customer data stays with you. Every dollar and every hour is tracked against results, so you can see what the work earned. Kodec fits if you are the owner, your company has about $1M to $20M in revenue, and you want one team to build the system and run it. It does not fit if you need a firm with thousands of staff, offices on several continents, or a name your regulator already knows. The first step is a free working wireframe built for your business.
What we found
Who wrote this number
Who builds and who advises
Some firms say 'strategy to scale.' Few say who does the work, so we read each firm's own page for it. BCG X states 3,000+ builders. IBM says IBM Consulting designs, builds and scales. HatchWorks says US and nearshore engineers. LeewayHertz says its own developers. KUNGFU.AI says one team of AI, business and strategy experts. Tribe AI says forward-deployed engineers but not whether they are staff. Accenture, Deloitte and Monks do not say on the pages we read. A third-party list we read sorts the field this way: McKinsey, BCG and Bain lead on advice; Infosys, TCS, Cognizant, Wipro, Capgemini and Thoughtworks lead on delivery; Accenture, IBM, PwC and EY do both. That list is written by a firm that sells AI, so treat the sorting as one view.3467111012812
Verified terms
What a first project looks like at each firm
Deloitte starts by your stage: Readiness, Acceleration or Advantage. HatchWorks tells unsure buyers to start with AI Strategy and Roadmap. Tribe AI starts with Map, which finds the problems where your own data gives you an edge. IBM starts with strategy, responsible-AI rules and data. KUNGFU.AI case studies show two starts: advice plus a proof of concept, and ranking a dozen use cases by expected return into a roadmap. LeewayHertz starts with a contact form and an NDA. One rival firm publishes a price: Iternal lists a 4-week strategy Sprint at $50,000. We found no other firm here that posts a price. Treat that figure as one firm's own list price. The same page ranks Iternal first among 15.2610411712
Who wrote this number
Your real alternative to hiring any of these firms
April Dunford's test for a real alternative is to ask what your best customers would do if you did not exist. Ask it of yourself: if you hired none of these firms, what would you do? For many owners the answer is a part-time hire, a software tool you already pay for, or waiting. Write that down first. A firm then has to beat that option, and the other nine firms matter less.
Questions to ask
- 01
Who, by name, will do the work, and are they staff?
A good answer: Names, roles and whether each person is an employee.
Protects you from: A senior pitch followed by a junior or outsourced build.
- 02
How many past projects reached production, not just a pilot?
A good answer: A count, with client names you can call.
Protects you from: Pilots that never turn into working systems.
- 03
Where does my data go while the AI runs, and can it stay on my own servers?
A good answer: A plain answer naming each provider and where the data sits.
Protects you from: Customer data reaching tools nobody told you about.
- 04
What is the stop rule: when do we end a project that is not working?
A good answer: A written checkpoint with a measure and a go or no-go call.
Protects you from: Paying for months of work that is not working.
- 05
Who runs it after launch, and what does that cost?
A good answer: A named person or team and a monthly price.
Protects you from: A system that decays because nobody owns it.
- 06
Do I own the code, the prompts and the data when we finish?
A good answer: Yes, in writing.
Protects you from: Being locked in to one firm.
- 07
What does the first step cost, and what will I hold in my hands at the end of it?
A good answer: A price and a named deliverable.
Protects you from: A first step that produces only slides.
How we checked
We searched the main phrase and three variants on Nov 14, 2026 and read the first lists that came up. Most are written by firms that rank themselves, including two we opened in full (Growth Acceleration Partners and Iternal). So we used those lists only to find names. Every fact about a firm comes from that firm's own site, read on Nov 14, 2026. Where a page was silent, the table says 'not stated.' We did not ask any firm for a quote, so we show no prices except the one Iternal published. Kodec is in the list and wrote this page, so weigh our row accordingly.
Questions
It helps a company pick where AI will pay off, builds the system, and teaches staff to use it. Some firms only advise. Some only build. Ask each one which parts it does itself and which it hands to someone else.
Only if your company is large, has many systems, or answers to a regulator or board that wants a known name. Mid-size and owner-run companies often get more from a smaller team that builds and then runs the work.
It is AI that runs on your own servers or in your own cloud account, using your own files. Your customer data does not go to a public chatbot. Ask any firm where your data goes while the AI is working.
Most firms in this list publish no price. One, Iternal, lists a 4-week strategy Sprint at $50,000. Ask each firm for the cost of the first step in writing, and what you will have at the end of it.
It is a firm that builds AI agents: software that takes steps on its own, like answering a customer, filling a form or updating your records. A good partner also sets limits and checks so a person can review what the agent did.
If you own a home services, real estate, mortgage or law company with about $1M to $20M in revenue, it may be. If you run a large company, a global firm such as Accenture, Deloitte, BCG X or IBM is the better fit.
Sources
- 1.Accenture, Data and AI accessed Nov 14, 2026
- 2.Deloitte, Generative AI accessed Nov 14, 2026
- 3.BCG X accessed Nov 14, 2026
- 4.IBM Consulting, Artificial intelligence accessed Nov 14, 2026
- 5.Slalom home page accessed Nov 14, 2026
- 6.HatchWorks AI accessed Nov 14, 2026
- 7.LeewayHertz accessed Nov 14, 2026
- 8.Monks accessed Nov 14, 2026
- 9.Monks Technology Services, Data, AI and Automation accessed Nov 14, 2026
- 10.Tribe AI accessed Nov 14, 2026
- 11.KUNGFU.AI accessed Nov 14, 2026
- 12.Iternal, Best AI Consulting Firms (firm ranks itself first) accessed Nov 14, 2026
- 13.Growth Acceleration Partners, Top Gen AI Consulting Firms (firm ranks itself first) accessed Nov 14, 2026
- 14.N-iX, Agentic AI partner lists as summarized in search results (N-iX is one; vendor-written, pages not opened) accessed Nov 14, 2026
- 15.April Dunford, Obviously Awesome, chapter 6 (books MCP) accessed Nov 14, 2026
Where to go next
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