Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
are built upon
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are built upon" is correct and usable in written English.
You can use this phrase when you want to suggest that something is based on ideas or principles from something else, or that something is structured on something else. For example, "The company's success is built upon a strong team of employees."
✓ Grammatically correct
Science
News & Media
Formal & Business
Encyclopedias
Wiki
Alternative expressions(20)
are based on
are founded on
rest on
are predicated on
derive from
are constructed on
are reliant on
are dependent on
stem from
originate from
are established upon
are constructed upon
are build upon
are achieved upon
are developed upon
are implemented upon
present built upon
are preyed upon
are lost upon
are inhibited upon
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
59 human-written examples
Knowledge networks are built upon lateral and bilateral institutional interactions.
Science
Many software development projects are built upon an underlying framework.
Music communities all over the country are built upon communication and mobility.
News & Media
Walls, actual walls, as well as social and political ones are built upon.
News & Media
As he sees it, British lives are built upon the work of the ONS.
News & Media
Business relationships, like personal ones, are built upon trust and mutual respect.
News & Media
They have innovative trends, but they are built upon a solid base.
News & Media
And most of our best practices in marketing are built upon an ownership model.
News & Media
Some traditions are easier than others, and some are built upon a foundation of generations.
News & Media
For eons, dining has evolved as ideas are built upon ideas.
News & Media
Figures for Christians are built upon detailed head counts by churches, often to the last digit.
Encyclopedias
Expert writing Tips
Best practice
Use "are built upon" when you want to emphasize that something is developed or established on a specific foundation or set of principles. This construction conveys a sense of deliberate construction and reliance on underlying elements.
Common error
While "are built upon" is grammatically correct, avoid using it in situations where simpler alternatives like "are based on" or "rely on" would suffice. Overusing complex phrasing can make your writing sound pretentious or unnecessarily complicated.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are built upon" functions as a passive verb construction. According to Ludwig, it is used to indicate that something is constructed or developed based on a particular foundation, principles, or ideas. This construction is common in academic, news, and business contexts.
Frequent in
News & Media
31%
Science
47%
Formal & Business
7%
Less common in
Encyclopedias
2%
Wiki
2%
Academia
1%
Ludwig's WRAP-UP
The phrase "are built upon" is a common and grammatically sound construction used to express that something is developed or based on a specific foundation or principles. Ludwig's analysis confirms its wide usage across various contexts, including science, news, and business. While versatile, it's essential to use it judiciously, opting for simpler alternatives when appropriate to maintain clarity and avoid sounding overly formal. It can be replaced with phrases like ""are based on"" or ""are founded on"" depending on the intended nuance.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
are based on
Emphasizes a foundational relationship, suggesting a direct derivation or reliance.
are founded on
Highlights the establishment of something on a particular principle or basis.
are predicated on
Suggests a logical dependence or assumption as a necessary condition.
are constructed on
Focuses on the process of creation or assembly using a specific base or framework.
are reliant on
Indicates a dependence or need for something else to function or exist.
are dependent on
Similar to 'reliant on', but may imply a stronger or more crucial need.
stem from
Indicates origination or derivation from a particular source or cause.
originate from
Emphasizes the point of origin or beginning.
derive from
Suggests a tracing back to a source or root.
rest on
Implies a reliance for support or validity.
FAQs
What does "are built upon" mean?
The phrase "are built upon" signifies that something is constructed or developed using a particular foundation, principles, or ideas. It emphasizes a deliberate and layered approach, where each subsequent element relies on what came before. Similar phrases can be "are based on" or "are founded on".
How can I use "are built upon" in a sentence?
Use "are built upon" to show that something's structure, success, or validity depends on specific underlying factors or elements. For example, "The company's success is built upon strong customer relationships." You can use alternatives like "are based on" or "rest on", depending on the nuance you want to convey.
What are some alternatives to "are built upon"?
Some alternatives to "are built upon" include "are based on", "are founded on", "are predicated on", "rest on", and "derive from". The best choice depends on the specific context and the degree of emphasis you want to place on the foundational aspect.
Is there a difference between "are based on" and "are built upon"?
While both phrases indicate a foundational relationship, "are built upon" suggests a more deliberate and layered construction process than "are based on". "Are based on" is a more general term. Consider "The argument is based on evidence" versus "The theory is built upon years of research". You can replace "are built upon" with alternatives like "are constructed on".
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested