Lang Allan & Company CPA PC


Lang Allan & Company Attest Services

Attest Services

As a certified public accounting firm, we can audit, review or compile your financial statements. Depending on what level of attest service you need, we can assist you to Move Your Company Forward.

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Lang Allan & Company tax services header

Tax Services

Many of our “tax only” clients call and meet with us during the year to take advantage of our understanding of their businesses and knowledge. Our knowledge and ongoing education in this ever-changing tax environment will assist you to Move Your Company Forward.

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Lang Allan & Company Accounting Management Consulting Services_header

Accounting & Management

Our accounting services cover a wide range of “back office” support. Rather than hiring a full-time bookkeeper or controller as an employee, we offer this service to allow business owners to focus on running their business while we handle their day-to-day accounting needs.

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Find out how our depth of experience, technical expertise, and proactive service can benefit you and your company.

What are clients saying?

  • We have been using Lang Allan for a number of years now. They are not only our CPA accounting firm but also an important business partner to our Company. They have given us incredible advice and guidance in assisting our company through growth pains, financial planning, and long-term goals. We have recommended them to many of our own clients, small and large. I would highly recommend Lang Allan & Company.
  • Lang Allan has offered extraordinary assistance in the sale of one of my companies. They helped make a complicated process, transparent. With their help we created the right deal structure and ultimately made the right financial decisions.
    NathanNathanBusiness Owner
  • During our many years as a client of Lang Allan, they’ve consistently provided timely advice and guidance that has been key to our growth and profitability.


Lang Allan & Company Construction Services


At Lang Allan & Company CPAs PC we have an expertise in serving the construction and real estate industry throughout Colorado. Through our experiences and understanding of the industry and communications with sureties and bankers, we gain a further understanding of the issues relevant to the construction and real estate industry.

Lang Allan & Company Manufacturing Services


Manufacturing companies face a variety of sometimes contradictory issues. We have experience with these issues and others facing your industry, which means we can help you make the most of this complex business environment.

Lang Allan & Company Real Estate Industry

Real Estate

We are experts in the field of real estate with extensive experience in all the relevant tax laws, regulations, and exceptions

Employee Development Strategy

Start Ups

Hiring the right accounting professional for your small business is important. Doing so can translate into money for your business. Ideally, we like to form a long-term relationship with with clients so you have someone to call year-round.

Lang Allan & Company individual services

Family Office

Anyone can claim to be a tax expert. And people who prepare tax returns don’t have to be licensed by the IRS. Make sure your tax preparer is.

Lang Allan & Company Exit Planning

Professional Services

At Lang Allan & Company CPA PC, we care about our clients’ success. From tax planning and preparation to estate planning and trust work to business consulting and succession planning, we provide you with practical solutions for a variety of vexing business issues.