Zyxel Brand Guidelines: The 1989 Hsinchu Modem Maker Named to Sit Last in the List

A Bell Labs engineer and a modem chip.

Zyxel was founded in 1989 in Taiwan’s Hsinchu Science Park by Shun-I Chu. Chinese Wikipedia says Chu returned to Taiwan in 1987 from Bell Labs in the United States and first set up a small company at Longtan, in what was then Taoyuan County, to develop the data pump, the core component of a modem; that company was Zyxel’s predecessor, and Zyxel itself was established on 16 August 1989. English Wikipedia adds that Chu rented an apartment in Taoyuan as a lab.

The first products were modems. A Zyxel press release of August 1999, issued for the company’s tenth anniversary, says it launched Taiwan’s first v.32bis 14.4 kbps modem, with a data pump of its own design, in 1990. The same release describes a company of 400 employees and four subsidiaries selling in more than 150 countries, and quotes its then chairman, Ding-Hua Hu, describing Zyxel’s growth “from a single product supplier to a Total Internet Access Solutions provider.” Chinese Wikipedia lists a combined data, fax and voice modem of 1992 as the company’s next step, followed by ISDN modems and, from 1996, small routers under the Prestige name.

The company joined the Taiwan Stock Exchange on 24 August 1999, Chinese Wikipedia says, and in 1996 it set up its first overseas subsidiary, in California, followed in 1998 by its first European subsidiary, in Copenhagen.

A name built to be found.

Zyxel’s name was a deliberate piece of positioning. Chinese Wikipedia explains that many new companies chose English names beginning with A so as to appear first in lists, and that Chu reasoned the opposite way: rather than fight for first place among the As, he took Zy, from the last two letters of the alphabet, so that the company would stand out at the bottom of the list. He first planned to call it ZyTEL, with TEL for telecommunications, but that name was already registered in the United States, so the T became an X. The Chinese name, 合勤, takes the first characters of the words for “cooperation” and “diligence.”

The spelling has shifted over time. The 1999 anniversary release writes ZyXEL, with the last three letters capitalised; the group’s websites today write Zyxel. English Wikipedia gives the pronunciation as “ZY-sel.”

The company’s slogans trace its changing customers. Chinese Wikipedia lists five logo eras, each with a line: “Access Internet & Intranet” from 1992 to 1996; “Total Internet Access Solution” from 1996 to 2003; “Unleash Networking Power” from 2003 to 2016; “Your Networking Ally” from 2016 to 2019; and, since 2019, “Keeping service providers ahead of the competition,” the line used by the arm that sells to telecom operators.

The products moved with the network. Chinese Wikipedia credits Zyxel with ZyNOS, its own network operating system, in 1998, and lists later steps through ADSL gateways, WiMAX equipment and outdoor 5G routers for mobile operators. On the business side, Zyxel’s current website presents Nebula, a cloud platform for managing wireless, switching, security and LTE or 5G equipment from one place. In a 2024 blog marking 35 years, the company says it now reaches more than 150 countries and connects more than a million businesses; we give those as its own figures.

Ports, antennas and trade fairs.

Networking hardware is mostly bought by people who will never see it in use. Switches sit in locked racks, servers in data-centre aisles, and access points on office ceilings, so the makers rely on a small set of familiar pictures: a rack of switches with rows of lit ports, a white disc fixed to a ceiling tile, a home router with its antennas raised, a long cold aisle of cabinets under strip lighting.

The companies in this group range from makers of home and small-office routers to suppliers of whole data-centre racks, and from long-listed corporations to firms owned through holding companies in Asia. Many design their products in one country and have them built in another, often by contract manufacturers, so what a company says about where its equipment is made is worth reading closely and attributing to the company.

Trade fairs are where much of the industry shows itself. Computex in Taipei, Interop and Mobile World Congress in Barcelona have long been venues for product launches and partner meetings, alongside more specialised events for supercomputing and service providers. Product names do much of the branding work: families of routers, switches and servers carry short names and model numbers that customers learn to read, while the management software that runs them is increasingly sold as a subscription alongside the box.

This guide sets out what can be checked about each brand — who founded it, who owns it now, where it says its products are made, and any regulatory or legal history reported by dated sources — and marks clearly what rests only on the company’s own word.

One name, three companies.

The Zyxel name now spans a group of companies. In June 2010 Digitimes reported that Zyxel’s shareholders had approved a new holding company, Unizyx Holding, to separate the own-brand and contract-manufacturing businesses into two subsidiaries. Chinese Wikipedia says the holding company was listed in August 2010, when Zyxel Communications became its wholly owned subsidiary and left the exchange, and that the contract-manufacturing arm began operating as MitraStar Technology on 1 January 2011.

A second split followed. Chinese Wikipedia says that in February 2019 the boards approved moving the channel business, which sells through resellers to businesses and homes, into a new company, Zyxel Networks, effective in April 2019. Market-data profiles of the listed holding company say it changed its name from Unizyx Holding Corporation to Zyxel Group Corporation in June 2023, and the group’s website now carries the Zyxel Group name.

That website describes the structure plainly. The parent sits in Hsinchu Science Park with three subsidiaries: Zyxel Communications, the brand that serves telecom operators with fixed and mobile broadband equipment; Zyxel Networks, which focuses on business networking and cloud management; and MitraStar, which handles networking research, development and contract manufacturing for other brands. Its newsroom in October 2026 carried items from both Zyxel companies.

Like other router makers, Zyxel has faced security questions over older devices. In February 2025 TechCrunch reported that Zyxel said it would not release patches for two actively exploited vulnerabilities, because they affected legacy products that had reached end of life years earlier, and advised customers to replace them with newer equipment.

For a design guide, Zyxel shows how a name can be engineered as carefully as a modem, and how one brand can be shared by several companies. Compare DrayTek, another Hsinchu router maker, and TP-Link. For this guide we use a navy, a near-black and a blue-grey with a sans, an unofficial interpretation; no product or logo is reproduced.

Keep Zyxel’s identity on hand — save it to a board in the Made Good inspiration library.