Colorado Secretary of State logo - cube with a C in it

Colorado
Secretary of State
Jena Griswold

Colorado Secretary of State logo - Colorado Secretary of State Jena Griswold

Picture of Secretary of State Jena Griswold

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Colorado Secretary of State logo - cube with a C in it

Colorado
Secretary of State
Jena Griswold

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Business FAQs

FAQ menu

Professional service companies

Q1. What is a professional service company?

A1. A professional service company is an entity organized for the sole purpose of providing specific professional services to the public. Title 12 of the Colorado Revised Statutes specify which professionals may form a practice as a professional service company.

Q2. Which professionals may practice as professional service companies?

A2. If your profession falls into one of the below categories, you should review Title 12 and contact your regulatory agency to determine if you qualify to form a professional service company and whether you need a professional term or abbreviation.

Below is a list of professionals that may have certain name requirements as a professional service company. Within the table is a breakdown of which professional terms or abbreviations that are either optional or mandatory in an entity name.

If you’re not using a professional term or abbreviation, reference the FAQ for entity names.

You may need to swipe or scroll sideways to see the whole table.
Profession Partnership (LP, LLP, LLLP) LLC Corporation C.R.S. section

Accountants

Consult an attorney

Limited Liability Company
LLC
Limited may be abbreviated to Ltd.
Company may be abbreviated to Co.

Mandatory:
Corporation
Incorporated
Professional Corporation
Corp.
Inc.
P.C.

12-100-114(5)(d), C.R.S.

Attorneys

Consult an attorney

Optional:
Professional Company

Optional:
Professional Corporation

Colo. RPC 7.5

Chiropractic

Consult an attorney

Optional:
P.l.l.c.
pllc
Professional company
p.c.

Optional:
Professional Corporation
P.c.
pc

12-215-124,C.R.S.

Dentists

Consult an attorney

Mandatory:
P.l.l.c.
pllc
Professional company
p.c.

Mandatory:
Professional Corporation
P.c.
pc

12-220-113 and 12-24-138, C.R.S.

Medical practice

Consult an attorney

Optional:
P.l.l.c.
pllc
Professional company
p.c.

Mandatory:
Professional Corporation
P.c.
pc

12-240-138, C.R.S.

Optometry

Consult an attorney

Optional:
P.l.l.c.
pllc
Professional company
p.c.

Mandatory:
Professional Corporation
P.c.
pc

12-275-127, C.R.S.

Physical therapists

Consult an attorney

Optional:
P.l.l.c.
pllc
Professional company
p.c.

Mandatory:
Professional Corporation
P.c.
pc

12-285-131, C.R.S.

Podiatry

Consult an attorney

Optional:
P.l.l.c.
pllc
Professional company
p.c.

Mandatory:
Professional Corporation
P.c.
pc

12-290-118, C.R.S.

Psychologists
Social workers
Marriage and family therapists
Professional counselors
Addiction counselors

Consult an attorney

Optional:
P.l.l.c.
pllc
Professional company
p.c.

Mandatory:
Professional Corporation
P.c.
pc

12-245-213, C.R.S.

If you have questions, consult an attorney or business advisor.

Q3. Do professional service companies file a form specific to them?

A3. No. Professional service companies will file the same documents as their legal form of entity.

Q4. What requirements must be satisfied in order to file as a professional service company in Colorado?

A4. Professional service companies may need to include a specific professional designator in their name.

Depending on the profession, Title 12 may require additional information to be included in the filing which can be added as an attachment. Other state agencies or regulatory bodies may have requirements specific to professional service companies.

Q5. What names are acceptable for a professional service entity?

A5. See § 7-90-601, C.R.S., and the specific profession in Title 12 or C.R.C.P. 265, for more information and specific details. Questions regarding which name is appropriate may be addressed to your legal or business advisor.