Accounting Firm

Henjes Conner & Williams, P.C.

Certified public accounting and consulting firm serving Siouxland businesses, non-profits and professionals

Visit Website Get a quoteRequest a demo / quote Write a Review

TrustList summary

The accountants at Henjes Conner & Williams, P.C. work from Dakota Dunes, South Dakota, where the practice moved into a new office in June 2018. It offers certified public accounting and consulting around the Sioux City metro area.

Services

Accounting: financial reporting and related services.
Tax: returns and planning for businesses and individuals.
Consulting: advice for owners across a range of industries.

Who it serves

Most clients sit within about fifty miles of Sioux City, across Iowa, Nebraska and South Dakota, though the firm also serves clients elsewhere. They include family-owned businesses of small and medium size, non-profits, professionals and some large local companies. Industries mentioned are manufacturing, construction, colleges, nursing homes, real estate, brokers, medical practices, fast food and financial institutions.

Key facts

Based in: Dakota Dunes, South Dakota.
Founded: 1990, when six partners left another firm.
Team: eleven shareholders and more than thirty staff.
Hiring: recruits graduates from nearby colleges and promotes from within.

Summary written by TrustList from the business's own published information, Oct 2026.

Categories & features

Rankings

Henjes Conner & Williams, P.C. is ranked on 3 TrustList rankings: #9 on 1, #13 on 1 and #28 on 1.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Henjes Conner & Williams, P.C. has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

Accounting firm · 3 rankings

#9of 254
Medical
It is the only one of the top 88 here listing certified public accounting and one of 6 here listing personnel.
Its profile: “Industries mentioned are manufacturing, construction, colleges, nursing homes, real estate, brokers, medical practices, fast food and financial institutions.”
Of the top 88 here, 55 also cover tax and 50 also cover accounting; 3 also work in York and 2 also work in New Jersey.
Behind D & D Accounting, ahead of Haskell & White.
#13of 61
Certified public accounting
It is one of 2 here listing partners and one of 4 here listing medical.
Its profile: “It offers certified public accounting and consulting around the Sioux City metro area.”
Of the top 55 here, 10 also cover auditing and 8 also cover reporting; 5 also work in California and 3 also work in New York.
Behind Brayman, Houle, Keating, Albright, PLLC, ahead of Hinricher & Cousino.
#28of 235
Non profit
It is one of 45 here listing accounting.
Of the top 72 here, 22 also cover financial services and 22 also cover real estate; 4 also work in Washington and 3 also work in Virginia.
Behind Jenson & Co, ahead of Leonard Tam Professional Corporation.