Zerno

What Zerno does

Zerno is a US-based, privately held manufacturer of precision flat-burr coffee grinders, founded in 2021 by Vel Genov and Eric Ravenstein and headquartered in a dedicated manufacturing facility in Hillside, Illinois. The company designs and hand-assembles two core products: the Z1, a 64mm flat-burr grinder targeted at serious home baristas at a base price of $1,399, and the Z2, an 80mm flat-burr professional-grade grinder with a custom 800W brushless servo motor priced at $2,134. Zerno's core technology is its hyperalignment system, achieving sub-25um (Z1) and sub-15um (Z2) burr alignment tolerances via in-house CNC machining on Japanese Okuma lathes and supercooled press-fit assembly, supplemented by magnetically swappable burr sets, modular prebreaker augers, and all-stainless steel grinding components in the Z2.

The business operates as a direct-to-consumer, made-to-order brand with extended lead times (60-90 days for Z1, approximately 120 days for Z2) and ships globally to over 30 countries via UPS. Revenue is generated primarily through one-time hardware sales of the Z1 and Z2 grinders, augmented by a growing catalog of burr sets ($250-$400), accent pieces, augers, funnel caps, dosing cups, and hard cases that drive attach revenue. Distribution is exclusively through Zerno's own e-commerce storefront, supported by content marketing, a Discord community, specialty-coffee event presence (e.g., World of Coffee 2026), and earned media from reviewers including James Hoffmann and Lance Hedrick. The company has been bootstrapped with no disclosed institutional funding and grew from a basement operation through the mHUB Chicago incubator into its own purpose-built facility.

Name

Zerno

Legal name

Zerno

Website

https://zerno.co

Company type

Private

Founded year

2021

Operating status

Operating

Headcount range

1–10 employees

Short description

Zerno is a US-based, privately held manufacturer of precision flat-burr coffee grinders (Z1 and Z2) sold direct-to-consumer worldwide, targeting serious home baristas and prosumers with modular, hand-assembled hardware built around proprietary hyperalignment technology and micron-level CNC machining.

Ownership category

akta.pro rank

Product category

Specialty Coffee Grinders

akta.pro primary industry

Grinding, Honing & Superfinishing Equipment (IMAHADAE)

Keywords

• Precision coffee grinders
• Specialty coffee equipment
• Flat burr grinders
• Espresso grinders
• Modular coffee gear

Headquarters

HQ city

Chicago

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Coffee Grinder Sales: Primary revenue from direct sales of Z1 and Z2 precision coffee grinders with modular component options. Grinders are sold with configurable burr sets, accent pieces, and power options at fixed price points. Long lead times (30-90 days for Z1, ~120 days for Z2) reflect made-to-order production.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

Zerno designs, engineers and manufactures precision flat-burr coffee grinders — the Z1 and Z2 — featuring proprietary hyperalignment (sub-25µm and sub-15µm respectively), a custom 800W brushless servo motor, magnetic blind-burr chucking, and modular swappable burr/auger systems. The grinders are hand-assembled made-to-order at the company's Chicago (Hillside, IL) facility and sold direct-to-consumer alongside a modular ecosystem of stainless-steel accessories and replacement burr sets.

Product overview

Zerno manufactures precision coffee grinders with a modular platform approach. The product line centers on two main grinder models: the Z1 (64mm burrs, entry-level/premium home use) and Z2 (80mm burrs, professional/prosumer grade). Both feature hyperalignment technology, swappable burr sets, and customizable components including wood accent pieces, funnel caps, and different auger types for controlling feed rate. Accessories include magnetic dosing cups, portafilter holders, burr removal tools, and hard cases. All products are hand-assembled in Chicago using stainless steel and aircraft-grade aluminum. The company also offers Zerno Sessions, an online education platform included with grinder purchases.

Differentiator

Problem solved

Functional benefit

Products and services

• Zerno Z1 Coffee Grinder

Quantifiable outcome

• 0.1-0.2g retention per grind
• +2 more outcomes

Named customers2 records

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Four partnerships are on record, tiered minor.

• Roasted RoadminorGTM or Marketing Partner · 18 June 2026Roasted Road is a YouTube content creator (channel @RoastedRoad). Founder Dustin visited Zerno HQ and sat down with Vel Genov for an honest conversation about how Zerno started, published as a video interview on YouTube.
• SEY HouseminorGTM or Marketing Partner · 1 April 2026SEY is one of Brooklyn's premier specialty coffee roasters. During World of Coffee San Diego 2026, the Z2 made an appearance at SEY House to demonstrate the grinder alongside SEY's coffee. A natural fit based on shared commitment to quality and intentional coffee experience.
• HYUNAH Coffee ClubminorOthersHYUNAH Coffee Club is a reservation-only clubhouse in Greenpoint, Brooklyn built for home coffee enthusiasts to explore premium brewing equipment, specialty coffees, education, and community. The Z1 and Z2 are included in their grinder lineup.
• mHUB ChicagominorOthersChicago's manufacturing incubator which allowed Zerno to develop prototypes and provided tools and machines needed to launch. Zerno moved from mHUB to its own dedicated facility closer to local manufacturers.

Scale indicators3 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Niche Coffee: UK-based maker of the Niche Zero and Niche Duo single-dose grinders. Direct competitor in the premium home/prosumer flat-burr grinder segment with a similarly cult enthusiast following and DTC-led distribution.
• Fellow Products: San Francisco brand behind the Ode and Opus grinders plus the Aiden brewer. Competes with Zerno in premium home grinders and shares the design-forward, content-marketing-driven DTC playbook.
• Weber Workshops: US-based maker of the EG-1 and other high-end specialty grinders with hand-built, modular construction. Closely comparable on positioning, premium pricing, and enthusiast/prosumer targeting.
• Option-O: Australian maker of the Lagom P64 and Lagom P100 grinders. Direct peer in single-dose, swappable-burr flat burr grinders targeting prosumer and professional baristas.

Broad incumbents

• Baratza: Long-established US grinder maker (Encore, Vario, Forte) with broad retail distribution. Competes across multiple price tiers but lacks Zerno's hyperalignment and modular-burr premium positioning.
• Eureka: Italian grinder manufacturer (Mignon, Atom, Specialita, Olympus) selling across home and prosumer/professional channels. Competitor in the flat-burr space with deeper commercial-coffee channel presence.
• Mahlkönig: German commercial-grinder specialist (EK43, E80, E65) widely regarded as the prosumer/professional benchmark. Sets the technical bar Zerno's Z2 is trying to clear in the high-end category.
• Profitec: German espresso equipment maker (Pro 600, Pro 700) with a complementary grinder lineup. Sells into the same premium home/prosumer audience via specialty retailers across Europe and the US.

Emerging players

• DF Grinders: Newer entrant with the DF64 and DF83 single-dose grinders. Competes on price-sensitive enthusiast positioning rather than Zerno's micron-level alignment, but addresses overlapping buyer intent.
• HeyCafé: Specialty grinder brand (HeyCafé Jack) targeting prosumer and light-commercial use. Adjacent competitor with growing premium-channel traction and modular-burr features that overlap Zerno's ecosystem play.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCxHxkkP_0iBK8WGcrQL5nsA
• Facebookfacebook.com/zerno.grinder
• Instagraminstagram.com/zerno.grinder
• LinkedInlinkedin.com/company/zerno-coffee

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Zerno