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
extend their expertise
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "extend their expertise" is correct and usable in written English.
You can use it when referring to individuals or organizations that are offering their knowledge or skills in a particular area to assist others or to contribute to a project. Example: "The consultants were invited to extend their expertise in project management to help the team meet its deadlines."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
4 human-written examples
"Medical people like to extend their expertise to this sort of investigative work," he added.
News & Media
They are now seeking to extend their expertise to football and their goal-line system was assessed on Tuesday with all nine competing companies due to be analysed before the end of the year.
News & Media
What's more, clinical supervisors should attune their teaching methods to residents' level of training, gradually increasing their autonomy without depriving them of opportunities to extend their expertise.
Science
We recommend further attention to training and professionalizing non-physician clinicians and their scope of work and increased involvement of surgeons and anaesthesiologists in training and working with this cadre as a way to extend their expertise.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Though these crossbreeds had appeared primarily overseas, at least two American firms have built prototype 'Busa Smarts and extended their expertise to like-minded motorists, offering conversion kits and complete build-ups.
News & Media
With RUSH, smartly, they elected for a more business-focused solution, extending their expertise into a naturally adjacent use case which occurs in every city worldwide and is often, like cabs, run by smaller companies with outdated networks.
News & Media
The smartphones give the PC makers a chance to extend their newfound expertise in creating low-power products.
News & Media
In the second group are cardiologists who want to extend their range of expertise beyond the heart but lack sufficient training.
News & Media
We thank: Dr. Dan McCormick and Jane A. Petersen for extending their technical expertise in synthesizing the Aβ40; and fluorescein labeled Aβ40 and 42; Geoffry L. Curran for his assistance in harvesting brain tissue from mice and 125I labeling of Aβ40; Jarred Nesbitt and Dr. Anthony Windebank for providing PC12 cells; and Jennifer Scott for her excellent secretarial assistance.
Science
They extend their palms.
News & Media
Their magazines extend their dominance.
News & Media
Expert writing Tips
Best practice
When describing how a company is diversifying, use "extend their expertise" to illustrate how their existing knowledge base is being applied to new markets or products. For example, "The tech company decided to extend their expertise in software development to create mobile applications."
Common error
Avoid using "extend their expertise" when simply referring to the acquisition of new knowledge. This phrase is most appropriate when existing skills are being applied to a new area, not when learning something entirely new.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "extend their expertise" functions as a verb phrase expressing the action of expanding or applying one's skills and knowledge to new areas or situations. Ludwig examples show the phrase used in contexts ranging from medical professionals expanding their investigative work to companies diversifying their services.
Frequent in
News & Media
43%
Science
29%
Formal & Business
14%
Less common in
Encyclopedias
0%
Wiki
14%
Reference
0%
Ludwig's WRAP-UP
The phrase "extend their expertise" is a grammatically correct and usable phrase in written English, as confirmed by Ludwig. It is used to describe the action of expanding or applying existing knowledge and skills to new areas or situations. While not extremely common, it appears in a variety of contexts, including news, science, and formal business settings. The phrase is valuable for illustrating growth, diversification, or a broader application of capabilities. When using this phrase, it's important to ensure that it aligns with the intended scope, referring to the application of existing skills rather than the acquisition of entirely new knowledge. Ludwig's examples offer valuable insight into how the phrase is used in different contexts, helping writers use it accurately and effectively.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
apply their knowledge
Focuses on the practical application of what is already known.
expand their knowledge
Focuses on increasing the amount of knowledge, rather than applying existing expertise to new areas.
broaden their skills
Emphasizes the expansion of skills, which are practical applications of knowledge.
deepen their understanding
Highlights achieving a more thorough comprehension, implying a more profound level of knowledge.
enhance their abilities
Refers to improving existing abilities or skills.
leverage their skills
Suggests using existing skills for maximum benefit or impact, a more active approach.
increase their capabilities
Highlights the growth of their capacity to perform specific tasks.
share their proficiency
Highlights the act of distributing their expertise among others.
develop their talents
Focuses on nurturing and improving natural aptitudes.
offer their competencies
Stresses the act of providing skills and abilities to contribute to a project or endeavor.
FAQs
How can I use "extend their expertise" in a sentence?
You can use "extend their expertise" to describe individuals or organizations applying their knowledge or skills to assist others or contribute to a project. For instance, "The consultants were invited to "extend their expertise" in project management to help the team meet its deadlines."
What can I say instead of "extend their expertise"?
Depending on the context, you can use alternatives like "apply their knowledge", "leverage their skills", or "share their proficiency".
Is it correct to say "extended their expertise" instead of "extend their expertise"?
Both "extend their expertise" and "extended their expertise" are grammatically correct, but they are used in different tenses. "Extend" is the present tense, while "extended" is the past tense. Use the past tense when referring to something that has already happened.
What's the difference between "extend their expertise" and "deepen their expertise"?
"Extend their expertise" refers to applying existing skills to new areas or tasks, while "deepen their expertise" refers to gaining a more thorough and profound understanding within their existing field.
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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