Table of Contents
- Chattermill founders and financing at a glance
- Who is Mikhail Dubov?
- Who is Dmitry Isupov?
- Why the founders built Chattermill
- What Chattermill does
- What makes the founder thesis distinctive?
- Chattermill financing and transaction history
- What the latest milestone was intended to change
- Founder and company timeline
- The founders' public thesis
- Strengths, risks and unresolved questions
- Evidence to watch over the next 12 to 18 months
- Frequently asked questions
Mikhail Dubov and Dmitry Isupov founded Chattermill, the ai-native customer intelligence and feedback analytics business now serving customer experience, support, product, marketing and insights teams. Mikhail Dubov is Co-founder and Chief Executive Officer; Dmitry Isupov is Co-founder and Chief Technology Officer.
The latest material financing milestone covered here is $26M Series B, dated 2022-11. The relevant total is At least $34M plus £935K disclosed, labelled as sum of the announced Series A and B plus the separately reported sterling seed round. It is company-level capital or transaction value—not founder net worth.

Authentic Chattermill website evidence captured on 21 July 2026.
Chattermill founders and financing at a glance
| Field | Verified information |
|---|---|
| Founding team | Mikhail Dubov and Dmitry Isupov |
| Current or documented roles | Mikhail Dubov: Co-founder and Chief Executive Officer; Dmitry Isupov: Co-founder and Chief Technology Officer |
| Company | Chattermill — chattermill.com |
| Founded | 2015 |
| Headquarters or operating scope | London, United Kingdom |
| Product category | AI-native customer intelligence and feedback analytics |
| Primary customer | Customer experience, support, product, marketing and insights teams |
| Latest financing milestone | $26M Series B, 2022-11 |
| Total or transaction value | At least $34M plus £935K disclosed — sum of the announced Series A and B plus the separately reported sterling seed round |
| Public status | Privately held or part of an acquirer |
| Last verified | 21 July 2026 |
Who is Mikhail Dubov?
Mikhail Dubov is Co-founder and Chief Executive Officer at Chattermill. Mikhail Dubov's role should be read in its current context: founder status is permanent, while executive responsibility can change as a company scales, lists publicly or is acquired.
Founder profile: Connect with Mikhail Dubov on LinkedIn.

Chattermill co-founders Mikhail Dubov, left, and Dmitry Isupov in official company photography.
In the founding team, Mikhail Dubov contributed to the combination of product judgment, technical execution and go-to-market work behind Chattermill. The public evidence does not justify claims about private ownership, personal wealth or undisclosed internal responsibilities.
Who is Dmitry Isupov?
Dmitry Isupov is Co-founder and Chief Technology Officer at Chattermill. Dmitry Isupov's role should be read in its current context: founder status is permanent, while executive responsibility can change as a company scales, lists publicly or is acquired.
Founder profile: Connect with Dmitry Isupov on LinkedIn.

Chattermill co-founders Mikhail Dubov, left, and Dmitry Isupov in official company photography.
In the founding team, Dmitry Isupov contributed to the combination of product judgment, technical execution and go-to-market work behind Chattermill. The public evidence does not justify claims about private ownership, personal wealth or undisclosed internal responsibilities.
Why the founders built Chattermill
Dubov and Isupov met through Entrepreneur First and built Chattermill around a recurring customer-experience problem: valuable feedback was scattered across surveys, support tickets, reviews and social channels, while manual tagging made insight slow and inconsistent. Their thesis was to use machine learning to unify those signals and explain the themes and sentiment driving customer outcomes.
This is documented company history plus editorial assessment. It does not establish private motivations beyond what the founders and company have said publicly.
What Chattermill does
Chattermill ingests customer feedback and interaction data, applies AI to sentiment, themes and journey analysis, and connects findings to business outcomes. Current capabilities include the Lyra intelligence layer, natural-language Ask Lyra analysis and MCP-based access for approved AI workflows.
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What makes the founder thesis distinctive?
The CSV misspells Mikhail Dubov's surname and omits Dmitry Isupov. Chattermill's official Series B history identifies Dubov and Isupov as the two founders and traces the company to Entrepreneur First in 2015.
Our assessment is that durable differentiation must show up in customer outcomes, workflow adoption, reliable data movement and lower operating cost—not only in feature count or AI branding.
Chattermill financing and transaction history
| Announcement date | Round or instrument | Amount | Lead or named participants | Reported use | Evidence status |
|---|---|---|---|---|---|
| December 2017 | Seed | £935K | Entrepreneur First and investors | Build the customer-feedback analytics product | Company-reported |
| February 2020 | Series A | $8M | DN Capital with investors | Scale the unified customer-intelligence platform | Company-confirmed |
| November 2022 | Series B | $26M | GP Bullhound with investors | Expand product, integrations and go-to-market operations | Company-confirmed |
| — | Current qualified figure | At least $34M plus £935K disclosed | — | — | sum of the announced Series A and B plus the separately reported sterling seed round |
The headline uses $26M Series B because it is the clearest recent milestone in the verified record. Different instruments are not silently combined: acquisition consideration, IPO proceeds, primary funding and secondary liquidity have different meanings.
What the latest milestone was intended to change
Public statements connect the milestone to some combination of product investment, AI capability, geographic expansion, hiring, acquisitions or shareholder liquidity. Those plans are attributed intentions, not proof that each outcome occurred. Evidence should include shipped capabilities, adoption, retention, unit economics and customer results after the transaction.
Founder and company timeline
| Period | Milestone |
|---|---|
| 2015 | Dubov and Isupov meet at Entrepreneur First and found Chattermill. |
| 2017 | A £935K seed round supports the early platform. |
| 2020 | Chattermill raises an $8M Series A. |
| 2022 | A $26M Series B funds product and international expansion. |
| 2024–2026 | The platform adds Lyra, generative analysis and MCP access. |
The founders' public thesis
Across the available company history, the founders argue that customer data becomes valuable when operating teams can turn it into timely, coordinated action. The exact emphasis differs by company—category creation, accessibility, data ownership, real-time infrastructure or AI-assisted execution—but the test is similar: can a customer make better decisions without adding hidden complexity?
Strengths, risks and unresolved questions
Visible strengths
- A founding thesis attached to a recurring and measurable marketing workflow.
- Product history and financing evidence available from primary sources.
- A platform broad enough to influence data, orchestration and customer communication.
Material risks
- Automated theme and sentiment models can flatten nuance or perform unevenly across languages and customer groups.
- Combining feedback, support and behavioral data increases privacy, retention and access-control obligations.
- The cumulative figure mixes US-dollar rounds with a sterling seed and should not be presented as one exact dollar total.
Questions buyers and researchers should ask
- Which founder roles are current, and which describe historical service?
- How is incremental customer or revenue impact measured against a control?
- What data, consent, model and deliverability controls constrain automated action?
- Which transaction amounts were primary capital, secondary liquidity or acquisition consideration?
- What implementation resources are required before the platform produces reliable value?
Evidence to watch over the next 12 to 18 months
Watch for independently explainable retention and expansion, transparent AI evaluation, successful migrations, product delivery tied to the announced financing purpose and current executive-role disclosures. For public companies, filings provide a stronger operating signal than promotional customer counts alone. For private companies, future financing announcements should identify transaction composition clearly.
Frequently asked questions
Who founded Chattermill?
Chattermill was founded by Mikhail Dubov and Dmitry Isupov.
What does Chattermill do?
Chattermill provides ai-native customer intelligence and feedback analytics capabilities for customer experience, support, product, marketing and insights teams.
What is Chattermill's latest financing milestone?
The latest milestone verified for this profile is $26M Series B, dated 2022-11.
How much funding has Chattermill raised?
The qualified figure used here is At least $34M plus £935K disclosed. Its status is sum of the announced Series A and B plus the separately reported sterling seed round; it should not be interpreted as founder wealth.
What should buyers verify?
Buyers should test data integration, consent controls, measurement, implementation effort, support, exportability and the limits placed on automated or AI-generated actions.
By Tolu S.

