The test instruments left HP, became Agilent, then became Keysight: a semiconductor-era family tree
Keysight Technologies traces its technical roots to the electronic measurement business Bill Hewlett and Dave Packard started in 1939. The measurement operation later became part of Agilent Technologies when Hewlett-Packard split in 1999.
Agilent combined test-and-measurement technology with life-sciences and semiconductor-related businesses, preserving the engineering lineage of HP’s original instrument company.
Keysight’s present-day business makes more sense when viewed through those early choices. The company repeatedly reused existing expertise rather than reinventing itself from nothing.
HP’s 1999 split put instruments inside Agilent
Hewlett-Packard separated its test, measurement and several other businesses into Agilent Technologies. The transaction marked a major corporate break between HP’s computing future and its original instrumentation heritage.
This was an important turning point because it expanded what Keysight could offer or the markets it could address. The effect becomes clearer when viewed as part of the longer sequence of changes that followed.
A second spin-off created Keysight in 2014
Agilent separated its electronic measurement business as Keysight Technologies, which began operating independently in 2014. The new company focused entirely on test and measurement.
This was an important turning point because it expanded what Keysight could offer or the markets it could address. The effect becomes clearer when viewed as part of the longer sequence of changes that followed.
Anite and Ixia widened the business beyond bench instruments
Keysight acquired wireless test specialist Anite and network-testing company Ixia, adding software, network visibility and communications-test capabilities.
The transaction mattered because it changed the shape of Keysight rather than simply adding revenue. It brought additional technology, customers, geographic reach or operating capability into the group and influenced the next stage of its strategy.
5G, automotive and semiconductor complexity expanded the test problem
Modern electronics require validation across radio frequencies, high-speed digital links, batteries, autonomous systems and chip interfaces. Keysight increasingly combines instruments with simulation and software to address those systems.
In semiconductor and electronics markets, this kind of capability compounds over time. Manufacturing know-how, yields, supplier relationships and process experience are difficult to recreate quickly, so each generation can strengthen the next.
The spin-off carried HP’s oldest DNA
As of 18 September 2026, keysight is effectively the direct descendant of the business category that created HP in the first place: precision electronic measurement. Its history across HP, Agilent and Keysight makes the company one of the clearest examples of a technology lineage surviving multiple corporate separations.
The company’s current position is therefore the result of accumulated technical and commercial choices rather than one breakthrough product. That is the context future coverage should preserve.
For TechnologyBlog.co.za, this page is intended to serve as the company-history cornerstone for future Keysight coverage, so product and company-news articles can link back to one factual brand background instead of repeating the full origin story.
Primary sources checked include Keysight’s official company history and Agilent/HP separation materials. Information reflects public material available on 18 September 2026. Official company identity cross-checked against http://www.keysight.com.
