Ranking updated 1 September 2026Listings reviewed 30 August 20265 agencies reviewedHow we rank
Logistics automation lives in documents and status updates moving between carriers, customers and internal systems that were never designed to talk. The agencies below have done this integration work.
Every agency below appears in our full ai voice agencies ranking and states logistics companies among the sectors it works with. Listings are ordered by their position in that ranking.
Enterprise teams that want an agent running in production with orchestration, tool access and tracing named up front, and a fixed-budget pilot before committing to a full build.
Companies already buying automation or internal tools from a well-reviewed studio, who want a voice agent added by a team that already knows their systems.
Buyers with their own technical lead who need SIP and VoIP engineering hours on a voice build, and are comfortable directing an hourly offshore team.
Ahmedabad, IN
Not published
From $1k
The full reviews
The table is the summary. Below, every agency gets the complete assessment: what it is genuinely good at, where it falls short, and the facts behind its position.
Best forEnterprise teams that want an agent running in production with orchestration, tool access and tracing named up front, and a fixed-budget pilot before committing to a full build.
Master of Code Global is the right choice if you want an agent in production rather than a proof of concept, and you want to see how it will be debugged before you sign: it is the only firm on this page that names an observability layer alongside LangChain, LlamaIndex, MCP, Bedrock and Vertex, and it runs its own open source orchestration framework. The 30-day fixed-budget pilot gives a priced way to test the working relationship, and 37 Clutch reviews at 4.7 offer more to check than the small five-star samples further down. Where it falls short is the small end of the market and its origin: the practice grew out of conversation design, which Clutch still records at 40% of technical focus, and a $25,000 floor at a 200 plus person firm serving Tom Ford, Burberry and T-Mobile means a modest budget is unlikely to get senior people. It sits first because specialization fit and technical depth are the criteria we weight hardest, and no other record here evidences both this concretely.
Pros
The only record in this ranking that names an LLM observability and tracing layer, LangFuse, alongside LangChain, LlamaIndex and MCP
A 30-day fixed-budget AI pilot gives a priced first step above the $25,000 minimum
4.7 from 37 Clutch reviews, and the earliest founding year published by any firm in this ranking at 2004
Cons
Chatbot and conversational AI account for 40% of technical focus per Clutch; autonomous multi-step agent work is a newer extension of a conversation design practice
A $25,000 floor at a 200 plus person agency oriented to brands such as Tom Ford, Burberry and T-Mobile; a smaller engagement risks junior staffing
Headline figures including 1B plus users engaged, NPS 56 and CSAT 9.2 are self-reported, and the founding year appears on Clutch but not on the company's own about page
HQ
Redwood City, United States
Team
Not published
Pricing
$25,000+ minimum project, $50-$99/hr (Clutch-displayed); sells a fixed-budget 30-day AI pilot with a four to five person team, price not published
Best forTechnical buyers able to judge a build proposal on its engineering merits, who are willing to take on a supplier with no public track record.
Read the service pages and Tempo Flows sounds like one of the more capable firms in this category; try to check anything and there is nothing to check. The engineering vocabulary is specific in ways that are hard to fake, including warm transfer over SIP REFER with context carried across, barge-in handling and evaluation suites run before a line goes live. Against that, a buyer committing real budget is being asked to accept a supplier with no named client, no identified person, no legal entity, no address, no published price and about four months of public partner history, whose homepage numbers sit inside an illustration. The site is also a single-page JavaScript application that renders one line of text without scripts, so none of the detail it is judged on is reachable by a crawler. It ranks here because the technical writing is real, and no higher because nothing else is verifiable.
Pros
Describes warm transfer over SIP REFER with context injection, barge-in and queue-aware routing, which is call-layer detail resellers rarely produce
Runs regression and evaluation suites before launch and versions prompt changes
Builds multi-tenant voice platforms with usage metering and billing, a service few firms here offer
Cons
Names no client, no case study and no team member, so none of the technical claims can be checked
Publishes no founding year, legal entity, address, privacy policy or terms page of its own
The dashboard figures on its homepage sit inside a decorative mockup alongside a fictional 555 phone number
Its public partner history dates only from May 2026, roughly four months of visible track record
HQ
Las Vegas, United States
Team
Not published
Pricing
No pricing published; states a delivery arc of architecture review, system design, build, hardening and evaluation, then launch and operate, at roughly six weeks to production
Best forCompanies that need a price agreed before work starts, and are buying product engineering with a voice component rather than a voice specialist.
RaftLabs is the clearest firm on this page about what a project will cost, and for a buyer who needs a number approved before a scoping call, that counts for something real. The service description also shows awareness of what breaks a phone deployment, including interruption handling, fallback and retry logic. It ranks low for two reasons. Voice is one line on a general product menu, the flagship AI agent service page names no voice vendors at all, the voice client is not named, and much of the voice content on the site is listicle material aimed at search rankings rather than at showing how anything was built. Separately, its own copy claims a 4.9 rating across 50 or more verified reviews, while the Clutch profile it cites displays 18. The score matches; the review count does not, and pricing transparency and public accountability are two of the five criteria this ranking is decided on.
Pros
Publishes fixed price bands on its own site, from $20,000 to $50,000 for a single-workflow agent
Bills fixed price with no hourly billing, so scope changes are negotiated rather than metered
Its voice service description covers interruption and fallback handling, transcription and SMS retry logic
Cons
Its own copy claims a 4.9 rating across 50 or more verified reviews, while the Clutch profile it cites displays 18
Voice is one line on a general product development menu, and the flagship AI agent page names no voice vendors
The voice client is not named, and much of the voice content is listicle material aimed at search rankings
Its about page displays logos including Vodafone, Nike and Microsoft that are implausible as direct clients at this size and price
HQ
Dublin, Ireland
Team
Not published
Pricing
Fixed-price only, no hourly billing: single-workflow agent $20,000-$50,000 over 4-8 weeks, multi-agent systems $60,000-$150,000 over 10-16 weeks, MVP work from about $10,000; Clutch shows a $10,000+ minimum and $25-$49/hr
Best forCompanies already buying automation or internal tools from a well-reviewed studio, who want a voice agent added by a team that already knows their systems.
Sidetool is a well-reviewed automation and Bubble studio that added voice recently, and this ranking reflects that order. The independent record is genuinely good, 4.8 across 28 reviews is one of the larger verified bases in this category, and the multilingual transfer support recorded on its vendor's directory is more than several voice-only firms here document. But a buyer choosing on voice has almost nothing to evaluate: no case study involves a call, no telephony, latency or call evaluation detail is published anywhere, and the business is 40% mobile app development by Clutch's own breakdown. The pricing picture is contradictory too, with a flat monthly subscription on its own site against a $10,000 project minimum on Clutch, which are different commercial models rather than different numbers. It belongs in this directory; it does not belong near the top of a voice ranking.
Pros
Clutch shows 4.8 from 28 reviews, one of the larger verified review bases in this ranking
Retell AI's directory records warm and cold call transfer with English, Portuguese and Spanish support
States a six to ten week path from kickoff to deployment
Cons
Not one published case study involves a phone call
Clutch's own breakdown puts 40% of the business in mobile app development and 15% in AI
No telephony, latency or call evaluation detail is published anywhere
Its own site sells a flat monthly subscription while Clutch shows a $10,000 project minimum, two different commercial models
HQ
Doral, United States
Team
Not published
Pricing
Own site sells a flat monthly subscription for unlimited queued automations with no figure published; Clutch shows a $10,000+ minimum project size and $50-$99/hr
Best forBuyers with their own technical lead who need SIP and VoIP engineering hours on a voice build, and are comfortable directing an hourly offshore team.
On paper Samcom has telephony depth that several higher-ranked firms lack, and it is one of very few agencies in this category willing to publish what an hour of its time costs. Two things pull it down. Its own site advertises a Clutch score of 4.9 from 74 reviews, while the Clutch profile for this company, confirmed by domain and location and opened twice during research, displays zero client reviews. An unreviewed profile is an absence of data rather than a low score, but the advertised figure does not match the source it cites, and public accountability is one of the five criteria this ranking is decided on. The second is the shape of the engagement: hourly rates at commodity levels, a $1,000 floor, no client named anywhere and a menu running from SIP stacks to Shopify is staff augmentation rather than a delivered voice system. A buyer who already has an architect and needs VoIP hours may do well here; a buyer who wants a system owned by the supplier should look higher up this page.
Pros
Names carrier-grade SIP stacks including Asterisk, FreeSWITCH, Kamailio and OpenSIPS alongside LiveKit and Pipecat
Publishes its own hourly rate card, which almost no agency in this category does
Clutch shows a $1,000 minimum project size, the lowest published entry point in this ranking
Cons
Its site advertises a Clutch score of 4.9 from 74 reviews, while the Clutch profile for this company displays zero reviews
Names no client anywhere, so sub-500ms latency, 60,000 calls a day and 500 projects are unattached claims
Hourly billing at commodity rates with a $1,000 floor is a staff-augmentation model rather than a delivered voice system
Founding year disagrees across three sources and team size disagrees between its site and Clutch, so neither is recorded
HQ
Ahmedabad, India
Team
Not published
Pricing
Publishes hourly rates: VoIP developer $25-$55/hr, AI developer $35-$75/hr, VoIP support engineer $18-$38/hr; Clutch shows $25-$49/hr and a $1,000+ minimum project size
