The power of one

Hire the smallest organization that can effectively deliver the product or service you require.

To safely and cost-effectively fly across the country, a commercial airline is required.
You need a pilot, some mechanics, baggage handlers, and flight attendants to pull it off.

To create and implement an investment and financial plan, you need one person (chosen carefully).

As an organization adds people, it adds complexity, communication challenges, scheduling issues, differences of opinion, layers of bureaucracy and overhead,
and lack of accountability.  You "institutionalize" the organization (a fancy term for "de-personalizing;" good for the organization, bad for the client).

"I don't go to meetings.  I don't write memos.  I don't have staff.  I don't commute.
The goal is to strip away anything that looks productive but doesn't involve shipping [delivering the service to the client]"

"How many handshakes do you need to introduce three people?  Three.  Four people need twice as many, six.  And five people?  Ten.
Coordinating teams of people becomes exponentially more difficult as the group gets larger.  And for important projects in an organization
with something to lose, the group pushes to get larger."

-- Seth Godin from Linchpin:  Are You Indispensable?