Skip to content

Is this your firm?

Claim the listing to manage your profile and start earning the VERIFIED badge.

Claim this listing →

VerifiedLawFirms editorial: A solo practice with a defined focus — Don A. McCullough Attorney at Law is a solo legal practice based in Denver, Colorado.

Each row is a check on this listing. Document checks are reviewed by an editor from evidence the firm submitted and are dated by that review; automatic checks confirm the listing's contact details are present and correctly formatted. Verification is independent of membership tier.

What we verifiedHow we verifiedStatusLast checked
Email address Automatically Confirmed 2026-07-28
Address Automatically Confirmed 2026-07-28
Phone number Automatically Confirmed 2026-07-28

Automatic checks confirm the listing's contact details are present and correctly formatted. They do not verify the firm's licensure or standing — those are the document checks an editor reviews. How we verify →

About Don A. McCullough Attorney at Law

Don A. McCullough Attorney at Law is a solo legal practice based in Denver, Colorado. The office handles business law and contracts, real estate law, and wills, trusts, and probate matters for businesses and individuals.

It serves clients in the Denver metropolitan area and other Colorado cities, and states that it practices throughout the state of Colorado. Don A. McCullough has practiced law for more than 35 years.

He is also a Certified Public Accountant (inactive), a background he applies when reviewing clients' financial and legal matters. He attended Colorado State University, where he studied accounting, and earned his law degree from the University of the Pacific, McGeorge School of Law in Sacramento, California.

He passed the California bar examination and is an inactive member of the California bar. After returning to Denver, he served as an Adjunct Professor of Law and an Adjunct Professor of Accounting at Columbia College while building his practice. The office is located at 950 S. Cherry Street, Suite 418, in Denver.

Editor's Review

VerifiedLawFirms editorial

A solo practice with a defined focus

Don A. McCullough Attorney at Law is a solo legal practice based in Denver, Colorado. The office works in three areas: business law and contracts, real estate law, and wills, trusts, and probate law. That is a tight set of subjects for one attorney, and it reads as a deliberate choice rather than a catch-all list.

These three areas tend to overlap in practice. A business owner buying property signs contracts and thinks about how the asset passes on. Estate planning touches real estate and closely held companies. In my opinion, a firm that keeps to related fields like these can carry a matter across those lines without handing it off.

The attorney behind the firm

The site names one attorney, Don A. McCullough, and the firm is built around him. He has practiced law for more than 35 years. That length of time is the clearest fact the site offers about the firm's track record, and it is a plain one to verify.

His education is set out on the attorneys page. He attended Colorado State University, where he studied accounting. He earned his law degree from the University of the Pacific, McGeorge School of Law in Sacramento, California. He passed the California bar examination and is an inactive member of the California bar.

After law school he opened his own law office in downtown Denver. Alongside building the practice, he served as an Adjunct Professor of Law and an Adjunct Professor of Accounting at Columbia College. Teaching in both subjects is a small detail, but it fits the pattern of a lawyer who works at the seam between law and numbers.

Where an accounting background fits

McCullough is a Certified Public Accountant, listed as inactive. The site says he applies that background when he reviews clients' financial and legal matters. It is unusual for a Colorado business and estate lawyer to also hold CPA training, and the combination lines up well with the work the office takes on.

Think about what business law, contracts, and probate share. All three run into balance sheets, valuations, tax questions, and the way money moves between people and entities. A lawyer who reads financial statements without a translator can spot issues in a contract or an estate that a purely legal review might pass over.

As a reviewer, I read the CPA credential as the through-line of this firm. It connects the accounting study at Colorado State, the two adjunct teaching roles, and the practice areas chosen decades later. The site presents it as a working tool, not a framed certificate, and that is a fair way to describe it.

How the practice areas connect

Business law and contracts cover the agreements a company signs and the disputes those agreements can create. Real estate law covers property that a business or an individual owns. Wills, trusts, and probate cover what happens to those holdings later. A single owner can move through all three stages, and this office is set up to stay with them.

That continuity matters more for a solo firm than for a large one. The client works with the same attorney across a business formation, a lease or purchase, and an estate plan. There is no internal handoff, and the person who learned the facts is the person who keeps the file.

Who the firm works with and where

The office serves both businesses and individuals. That mix follows from the practice areas. A company needs contracts and property advice, while a family needs wills, trusts, and probate help, and the same lawyer can do both.

On geography, the firm states that it serves the Denver metropolitan area and other Colorado cities, and that it practices throughout the entire state of Colorado. So a client outside the metro area is within the stated reach. The office itself sits in Denver.

What the listing shows and what it leaves out

Here is where the record is thin, and I want to be straight about it. The site does not state a founding year, so the age of the practice is not on record even though the attorney's years in law are. It does not give an entity form, such as a professional corporation or an LLC, which fits a practice that runs under the attorney's own name.

The firm also lists no social media accounts. There is no Facebook, LinkedIn, or other profile linked from the pages we reviewed. For readers who judge a firm by its online footprint, that is worth knowing up front. It does not speak to the quality of the legal work, only to how the office chooses to present itself.

What the site does document is consistent and checkable: a named attorney, more than 35 years in practice, a CPA background, a clear degree history, and three defined practice areas in one state. In my opinion, that is a solid factual base for a solo firm, even if it is a compact one.

Who might find this firm a fit

The profile points to a specific kind of client. Someone running a Colorado business who wants contract and property advice from a lawyer who also reads the financials. A family or individual planning an estate who prefers a single attorney over a rotating team. A person who values a long track record and a narrow, related set of practice areas.

For those readers, Don A. McCullough Attorney at Law presents a clear and honest picture. The firm says what it does, names the person who does it, and backs the description with facts a prospective client can confirm.

Client reviews

No client reviews yet.

Be the first to leave a review.

Write a review

Reviews are from clients of the firm. We email you a link to confirm, then an editor checks your review before it appears. Your email stays private.

Don A. McCullough Attorney

Don A. McCullough has practiced law for more than 35 years and is a Certified Public Accountant (inactive). He attended Colorado State University, where he studied accounting, and earned his law degree from the University of the Pacific, McGeorge School of Law in Sacramento, California. He passed the California bar examination and is an inactive member of the California bar. After law school he opened his own law office in downtown Denver, and he later served as an Adjunct Professor of Law and Accounting at Columbia College.

Contact Don A. McCullough Attorney at Law

Reach this firm directly using the details below. VerifiedLawFirms is a directory, not a referral service, so you contact the firm yourself and we never sit in between.

Address

950 S. Cherry Street
Denver, CO 80246

Map of 950 S. Cherry Street, Denver, CO (see the address above for a text alternative).