Top 15 of 84 · updated 2026-10-26

Best LangChain agencies (2026)

84 agencies in our directory name LangChain work on their own websites: LLM apps built with LangChain. 2 are listed in an official partner directory and 11 publish pricing. They also commonly build with OpenAI, Claude, n8n. Below are the top 15, ordered by Cofounderbase Score (median 58).

Ranked by evidence

Avalency Studio · score 81: official partner listing, published case studies, deep tool stack.
SynkrAI · score 79 · Ahmedabad, India: published case studies, deep tool stack, active in 2026.
Samcom Technologies · score 77, India: published case studies, deep tool stack, transparent pricing and team.
Softweb Solutions · score 76, United States: published case studies, deep tool stack, active in 2026.
SoluLab - Blockchain & AI Development Company · score 76, India: published case studies, deep tool stack, transparent pricing and team.

#	Agency	Location	Builds with	Services they list	Score
1	Avalency Studio Partner	Not stated	n8n, Zapier, LangChain	Development · Data & Infrastructure	81
2	SynkrAI	Ahmedabad, India	n8n, Zapier, LangChain	AI Agent Development Company · AI Automation Consulting	79
3	Samcom Technologies	India	n8n, Zapier, Retell AI	AI Voice Agent Development · VoIP Development & Support	77
4	Softweb Solutions	United States	Power Automate, UiPath, LangChain	Agentic AI · AI consulting	76
5	SoluLab - Blockchain & AI Development Company	India	n8n, Zapier, LangChain	Blockchain development · Generative AI development	76
6	Crux Digits	Nieuwegein, Netherlands	LangChain, OpenAI, Claude	AI Audit & Strategy · AI Implementation	72
7	Akveo	United States	n8n, Make, Zapier	AI Strategy · Agentic AI	71
8	Shaligram Infotech	Ahmedabad, United States	Power Automate, LangChain, OpenAI	Business process automation · Custom software development	71
9	Teamvoy	Lviv, Ukraine	n8n, LangChain, OpenAI	Strategy · AI & System Readiness Audit	71
10	EdgeFirm	United Kingdom	LangChain, OpenAI, Salesforce	Support queries handled · Less time on reporting	69
11	Appinventiv	New York, United States	LangChain, OpenAI, Claude	Strategic Technology Consulting · Digital Product Development & Engineering	68
12	SolGuruz	Ahmedabad, India	n8n, Voiceflow, Vapi	AI-Assisted Custom Software Development Company · Custom Software Development Portfolio	68
13	THE TISA	India	n8n, LangChain, OpenAI	AI Agent Development · Generative AI Development	68
14	Ahex Technologies	L'viv, India	LangChain, OpenAI, Claude	AI development services · ERP Consulting and Development	66
15	Azilen Technologies	United States	Zapier, LangChain, OpenAI	Enterprise AI Development Company	66

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Other specialties

n8n (333)Make (Integromat) (92)Zapier (311)Voice AI (239)LangGraph (50)AI Chatbot (412)RAG and knowledge base (472)Power Automate (39)GoHighLevel (55)CrewAI (35)Airtable (138)RPA (UiPath) (77) All lists

Questions

Which is the best LangChain agency?

By Cofounderbase Score, Avalency Studio ranks first (81/100), followed by SynkrAI (79) and Samcom Technologies (77). The best fit still depends on your stack, budget and timeline.

How is this list ranked?

By Cofounderbase Score: stack depth, published evidence (case studies, outcomes, reviews), official certification, transparency and freshness, all taken from public sources. Rank is never sold. The Featured slot at the top is a labelled sponsored placement and is not part of the ranking.

How many LangChain agencies are listed?

84 verified agencies as of 2026-10-26. 2 are official partners and 11 publish pricing.

Can I get help choosing?

Yes. Describe your project on the Matcher page and we suggest three agencies from the directory. It is free and needs no account.

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