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Our Practice

As a business owner, you have many responsibilities to ensure that your business is profitable and successful.   However, you don’t have to do it alone. That’s where Audit One, Ltd. can be an essential partner:  We can help you establish effective business operations and plan for profitability. In addition, we can assist you in setting short- and long-term strategies tailored to your business.  We pride ourselves in working alongside our clients as their trusted advisor. 

At Audit One Ltd. one principle guides all others:  Be proactive and exceed the client's every expectation as the business owner's most trusted advisor.  We believe that small to medium sized businesses are critical to the local economy and we take satisfaction in helping business owners realize their business and personal goals.

OUR TEAM

Brett A. Efimov, CPA                                    PARTNER

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The firm provides accounting, bookkeeping, compilation, as well as audit and review services.  We work with our clients in all phases of business, from start- up, to business expansion to providing consulting services for established businesses.
We have extensive hands-on experience in helping our clients grow their businesses with our extensive knowledge of management, business leadership, working with Boards of Directors, banks, and attorneys.  We have expertise in budgeting, cash forecasts, IRS, Workman’s Compensation and unemployment audits as well as providing financial statement audits.  We handle complex business and tax issues for clients in multiple states on a regular basis.  We are available to provide accounting and financial operations support. Brett A. Efimov is an active member of the American CPA Society, Illinois CPA Society, ICPA Southwest Suburban Brain Trust, and is a Licensed Certified Public Accountant.  



6720 W 167th St., Ste 4 Tinley Park, Illinois Office  MAP
Phone Number: 708-614-9994
Email Address:  Brett@AuditOne.com

 Timothy J. Thompson, CPA                      Partner

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Tim is a graduate of Governor State University with High Honors Timothy Thompson has been practicing as a Certified Public Accountant in the Chicago land area since 1988. His extensive experience with a wide range of industries and businesses, along with a broad knowledge of business operations has allowed him to help numerous clients with their various accounting, tax, and software needs. As a Certified QuickBooks ProAdvisor and their financial consultant, he has implemented industry specific accounting programs to easily allow companies to compare their performance to industry standards. Timothy's experiences range from Compilations to Audits, individual taxation to non-profits taxes, business consulting to asset protection. He has been a member of AICPA, ILCPA Society and the Asset Protection Society. To him, support and service is more than just talk. His personalized approach to helping both small and mid-size businesses maximize savings, expand equity formation, facilitate estate planning and initiate asset protection has made him a leader in this field.


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403 Garfield Ave. Peotone, IL Office MAP
Phone Number: 708-258-6247
Email Address: Tim@AuditOne.com

Clayton Thompson, Information Systems

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Clayton is a graduate of Governors State University. Network Engineer, Systems, Web design, data management, software & hardware manager, and systems security developer fulfilling Information Technology needs for Audit One, Ltd. Clayton has over 10 years experience managing technology and infrastructure for business and government solutions. Clayton has a background implementing and utilizing Intuit QuickBooks products, ATX, and Lacerte tax software suite. Clayton has several years experience working as a tax assistant for a local tax firm. Clayton provides tax planning and tax preparation services to both individual and business clients. Clayton is an expert in establishing accounting functions, systems and best practices; cost-reduction, automation and tax strategies; and lasting business relationships to ensure goal-surpassing fiscal performance. Clay looks forward to engaging in emerging aspects of Audit One, Ltd. to grow and develop a technical backbone for clients to interact with skilled professionals.

403 Garfield Ave. Peotone, IL Office MAP
Phone Number: 708-258-6247
Email Address: Clay@AuditOne.com

LOCATIONS

6720 W 167th St., Ste 4, Tinley Park, IL 60477   
 708-614-9994  Ask for Brett
Brett@AuditOne.com
403 Garfield Ave.,  Peotone, IL 60468
708-258-6247   Ask for Tim
Tim@AuditOne.com

Client types we serve...

We have served hundreds of clients each from very diverse levels of expertise and scale from a wide variety of industries which include but are not limited to:

  • Agriculture/Farming
  • Automotive Sales/Repair
  • Computer/Software
  • Construction/Contractors
  • Consulting
  • Design/Architecture/Engineering
  • Financial Services
  • Hospitality
  • Insurance/Brokerage
  • Lawn Care/Landscaping
  • Legal
  • Manufacturing
  • Medical/Dental/Health Services
  • Non Profit
  • Property Management
  • Real Estate/Developer
  • Restaurant/Bar
  • Retail
  • Salon/Beauty
  • Telecommunications
  • Transportation
  • Wholesale Distribution

What is a certified Quickbooks Advisor?

Certified Quickbooks ProAdvisors are specially trained QuickBooks experts who have passed the Certification exam and are typically an independent CPA, accountant, bookkeeper, computer consultant and trainer who works with small businesses and have completed a rigorous and comprehensive Quickbooks Curriculum developed by Intuit.  We understand the challenges you face and can offer guidance on everything from complex accounting questions and payroll interpretation to mastering the advanced features of Quickbooks. 

How Can A QUICKBOOKS ADVISOR Help You?

  • QuickBooks Consulting
  • QuickBooks setup
  • QuickBooks phone consultation
  • QuickBooks Payroll

What Products Do We Support?

  • QuickBooks Simple Start Edition
  • QuickBooks Basic, Pro, Premier
  • QuickBooks for Mac
  • QuickBooks Premier: Contractor Edition
  • QuickBooks Premier: Manufacturing and Wholesale Edition
  • QuickBooks Premier: Retail Edition
  • QuickBooks Premier: Professional Services Edition
  • QuickBooks Premier: Nonprofit Edition
  • QuickBooks Online Edition
  • QuickBooks Point of Sale
  • QuickBooks Enterprise Solutions
  • 3rd party applications integrated with QuickBooks
  • Quicken
  • QuickBooks Payroll Products
  • Intuit Payroll
(c) 2014  -  Audit One, Ltd. ©  -  All Rights Reserved

Company

About Us
Contact Us
Locations

What Our Customers Have to say...

"...getting an audit always seemed like a hassle, it has always on my companies to-do list, but I never would have put it off if it was as easy as it turned out to be with working with Audit One."
★★★★
 - Quentin H.
"... they have my business. Super detailed. We got done in a few days. Their pricing was the most  reasonable I could find. I will be back with Audit One next year for our next annual audit."
★★★★★
- Stephanie R.

Audit One, LTD. OFFICES

Tinley Park, Illinois Office  MAP
Phone: 708-614-9994
Fax: 708-429-7594          
Email: Brett@AuditOne.com

Address: 6720 W 167th St. Unit 4 Tinley Park, IL 60477
Peotone, Illinois Office MAP
Phone: 708-258-6247
Fax: 708-247-3109
Email: Tim@AuditOne.com
Address: 403 Garfield Ave. Peotone, IL 60468

Types of Services We Provide

Audit, 401k Audit,  401(k) Audit, Benefit Plan Audit, Benefit Audit, Pension Audit, Pension Plan Audit, No Child Left Behind Audit, Education Audit, Non-Profit Audit,  Business Audit, Company Audit, CIRA Audit, Commercial or Residential Condominium  Audit, HUD Audit, Department of Housing and Urban Development Audit, Government Audit, Local Government Audit, Peer Review, Independent CPA Review, Payroll, Bookkeeping, Tax preparation, IRS Representation, Sales Taxes, Payroll Taxes, Business consulting, Accounting Software Support,

Our Illinois Customers 

We are loyal to our Illinois Customers! We love to service Illinois clients which include:
Chicago, Aurora, Rockford, Joliet, Naperville, Springfield,Peoria, Elgin, Waukegan, Cicero, Champaign, Bloomington, Decatur, Arlington Heights, Evanston, Schaumburg, Bolingbrook, Palatine, Skokie, Des Plaines, Orland Park, Tinley Park, Oak Lawn, Berwyn, Mount Prospect, Wheaton, Normal, Hoffman Estates, Oak Park, Downers Grove, Glenview, Belleville, Elmhurst, DeKalb, Moline, Lombard, Buffalo Grove, Urbana, Bartlett, Crystal Lake, Quincy, Streamwood, Carol Stream, Romeoville, Plainfield, Rock Island, Hanover Park, Carpentersville, Wheeling, Park Ridge, Calumet City, Addison, Glendale Heights, Pekin, Northbrook, Elk Grove Village, Danville, St. Charles, Woodridge, North Chicago, Galesburg, Gurnee, Mundelein, Oswego, Chicago Heights, Algonquin, Granite City, Niles,Highland Park, Lake in the Hills, Burbank, Lansing, O'Fallon, Round Lake Beach, Oak Forest, Alton, Kankakee, Glen Ellyn, Wilmette, West Chicago, East St. Louis, McHenry, Batavia, Carbondale, Freeport, Belvidere, Collinsville, Melrose Park, Harvey, Vernon Hills,Elmwood Park, Lockport, Woodstock, Westmont, Zion, New Lenox, Edwardsville, Huntley, Homer Glen,Rolling Meadows, Maywood, Loves Park, Blue Island, Machesney Park, East Peoria, Morton Grove, Dolton, Roselle, Lisle, Darien, South Holland, Bloomingdale, South Elgin, Park Forest, Villa Park, Charleston, Geneva, East Moline, Grayslake, Crest Hill, Libertyville, Evergreen Park, Lake Zurich, Jacksonville, Lake Forest, Homewood, Macomb, Alsip, Bellwood, Matteson, Brookfield, Ottawa, Mokena, Bourbonnais, Mattoon, Montgomery, Bensenville, Franklin Park, Round Lake, Cary, Deerfield, Godfrey, Frankfort, Sycamore, Palos Hills, Marion, Fairview Heights, Yorkville, Hinsdale, North Aurora, Addieville, Addison, Adeline, Albany, Albers, Alexis, Algonquin, Alhambra, Allendale, Allenville, Allerton, Alma, Alorton, Alpha, Alsey, Alsip, Alto Pass, Altona, Alvan, Anchor, Andalusia, Andover, Antioch, Apple River, Arenzville, Argenta, Arlington, Arlington Heights, Armington, Aroma Park, Arrowsmith, Arthur, Ashkum, Ashland, Ashmore, Ashton, Atwood, Augusta, Aviston, Avon, Baldwin, Banner, Bannockburn, Bardolph, Barrington, Barrington Hills,  Bartelso, Bartlett, Bartonville, Basco, Batchtown, Bath,  Bay View Gardens, Baylis, Beach Park, Beaverville, Beckemeyer, Bedford Park, Beecher, Beecher City, Belgium, Belknap, Belle Rive, Bellevue, Bellflower, Bellmont, Bellwood, Bement,Bensenville, Benson, Bentley, Berkeley,Berlin, Bethalto, Bethany, Big Rock, Biggsville, Bingham, Bishop Hill, Bismarck, Blandinsville, Bloomingdale, Blue Mound, Bluffs, Bluford, Bolingbrook, Bondville, Bone Gap,Bonfield,Bonnie, Bourbonnais, Bowen,Braceville, Bradford, Bradley, Bridgeview, Brighton, Brimfield, Broadlands, Broadview, Broadwell, Brocton, Brookfield, Brooklyn, Broughton, Browning, Browns, Brownstown, Brussels, Bryant, Buckingham, Buckley, Buckner, Buda, Buffalo, Buffalo Grove, Bull Valley, Bulpitt, Buncombe, Bureau Junction, Burlington, Burnham, Burnt Prairie, Burr Ridge, Bush, Butler, Cabery, Cahokia, Caledonia, Calhoun, Calumet Park, Camargo, Cambria, Cambridge, Camden, Camp Point, Campbell Hill, Campton Hills, Campus, Cantrall, Capron, Carbon Cliff, Carbon Hill, Carlock, Carol Stream, Carpentersville, Carrier Mills, Cary, Caseyville, Catlin, Cave-In-Rock, Cedar Point, Cedarville, Central City, Cerro Gordo, Chadwick, Chandlerville, Channahon, Chapin, Chatham, Chebanse, Cherry, Cherry Valley, Chesterfield, Chicago Ridge, Cisco, Cisne, Cissna Park, Claremont, Clarendon Hills, Clay City, Clayton, Clear Lake, Cleveland, Clifton, Coal City, Coal Valley, Coalton, Coatsburg, Cobden, Coleta, Colfax, Colp, Columbus, Compton, Concord, Congerville, Cooksville, Cordova, Cornell, Coulterville, Cowden, Crainville, Crescent City, Creston, Crestwood, Crete, Creve Coeur, Crossville, Cullom, Curran, Cutler, Cypress, Dahlgren, Dakota, Dalton City, Dalzell, Damiansville,  Dana, Danforth, Danvers, Davis, Davis Junction, Dawson, De Land, De Pue, De Soto, Deer Creek, Deer Grove, Deer Park, Deerfield, Detroit, DeWitt, Diamond, Dieterich, Divernon, Dix, Dixmoor, Dolton, Dongola, Donnellson, Donovan, Dorchester, Dover, Dowell, Downers Grove, Downs, Du Bois, Dunfermline, Dunlap, Dupo, Durand, Dwight, Eagarville, East Alton, East Brooklyn, East Cape Girardeau, East Carondelet, East Dundee, East Galesburg, East Gillespie, East Hazel Crest, Easton, Eddyville, Edgewood, Edinburg, El Dara, Elburn, Eldred, Elizabeth, Elizabethtown, Elk Grove Village, Elkhart, Elkville, Elliott, Ellis Grove, Ellisville, Ellsworth, Elmwood Park, Elsah, Elvaston, Elwood, Emden, Emington, Energy, Enfield, Equality, Erie, Essex, Evansville, Evergreen Park, Ewing, Exeter, Fairmont City, Fairmount, Fairview, Farina, Farmersville, Fayetteville, Ferris, Fidelity, Fieldon, Fillmore, Findlay, Fisher, Fithian, Flanagan, Flat Rock, Florence, Flossmoor, Foosland, Ford Heights, Forest City, Forest Park, Forest View, Forrest, Forreston, Forsyth, Fox Lake, Fox River Grove, Frankfort, Franklin, Franklin Grove, Franklin Park, Freeburg, Freeman Spur, Fults, Galatia, Gardner, Garrett, Gays, German Valley, Germantown, Germantown Hills, Gifford, Gilberts, Gladstone, Glasford, Glasgow, Glen Carbon, Glen Ellyn, Glencoe, Glendale Heights, Glenview, Glenwood, Godfrey, Godley, Golden, Golden Gate, Golf, Good Hope, Goodfield, Goreville, Gorham, Grand Ridge, Grandview, Grant Park, Grantfork, Granville, Grayslake, Green Oaks, Green Valley, Greenup, Greenview, Greenwood, Gridley, Gulfport, Gurnee, Hainesville, Hamburg, Hamel, Hammond, Hampshire, Hampton, Hanaford, Hanna City, Hanover, Hanover Park, Hardin, Harmon, Harristown, Hartford, Hartsburg, Harvel, Harwood Heights, Hawthorn Woods, Hazel Crest, Hebron, Hecker, Henderson, Hennepin, Henning, Herrick, Herscher, Hettick, Heyworth, Hidalgo, Hillcrest, Hillsdale, Hillside,Hillview, Hinckley, Hindsboro, Hinsdale, Hodgkins, Hoffman, Hoffman Estates, Holiday Hills, Hollowayville, Homer, Homer Glen, Homewood, Hooppole, Hopedale, Hopewell, Hopkins Park, Hoyleton, Hudson, Huey, Hull, Humboldt, Hume, Huntley,Hutsonville, Illiopolis, Ina, Indian Creek, Indian Head Park, Indianola, Industry, Inverness, Iola, Ipava, Iroquois, Irving, Irvington, Irwin, Island Lake, Itasca, Iuka, Ivesdale, Jeffersonville, Jeisyville, Jerome, Jewett, Johnsonville, Johnsburg, Joppa, Joy, Junction, Junction City, Justice, Kampsville, Kane, Kaneville, Kangley, Kansas, Kappa, Karnak, Kaskaskia, Keenes, Keensburg, Kempton, Kell, Kenilworth, Kenney, Keyesport, Kilbourne, Kildeer, Kincaid, Kinderhook, Kingston, Kingston Mines, Kinsman, Kirkland, Kirkwood, La Fayette, La Grange, La Grange Park, La Moille, La Rose, Ladd, Lake Barrington, Lake Bluff, Lake in the Hills, Lake Ka-ho, Lake Villa, Lakemoor, Lake Zurich, Lakewood, Lansing, Latham, Leaf River, Lee, Leland, Lemont, Lena, Leonore, Lenzburg, Lerna, Liberty, Libertyville, Lily Lake, Lima, Limestone, Lincolnshire, Lincolnwood, Lindenhurst, Lisbon, Lisle, Little York, Littleton, Liverpool, Livingston, Loami, Loda, Lomax, Lombard, London Mills, Long Creek, Long Grove, Long Point, Longview, Loraine, Lostant, Louisville, Lovington, Ludlow, Lyndon, Lynnville, Lynwood, Lyons, Macedonia, Machesney Park, Mackinaw, Maeystown, Magnolia, Mahomet, Makanda, Malden, Malta, Manchester, Manhattan, Manito, Manlius, Mansfield, Manteno, Maple Park, Mapleton, Maquon, Marietta, Marine, Marissa, Mark, Martinton, Maryville, Matherville, Matteson, Maunie, Maywood, Mazon, McClure, McCook, McCullom Lake, McLean, McNabb, Mechanicsburg, Medora, Media, Melrose Park, Melvin, Mendon, Menominee, Meredosia, Merrionette Park, Metamora, Metcalf, Mettawa, Middletown, Midlothian, Milan, Milford, Mill Creek, Millbrook, Mill Shoals, Milledgeville, Millington, Milton, Millstadt, Mineral, Minier, Minooka, Modesto, Mokena, Monee, Monroe Center, Montgomery, Montrose, Morrisonville, Morton, Morton Grove, Mound Station, Mount Auburn, Mount Clare, Mount Erie, Mount Morris, Mount Prospect, Mount Zion, Moweaqua, Muddy, Mulberry Grove, Muncie, Murrayville, Mundelein, Naplate, Nebo, Nelson, Neponset, New Athens, New Baden, New Bedford, New Burnside, New Berlin, New Douglas, New Grand Chain, New Haven, New Holland, New Lenox, New Milford, New Minden, New Salem (Pike County), Newark, Niles, Niantic, Noble, Norridge, Nora, Norris, Norris City, North Aurora, North Barrington, North City, North Henderson, North Pekin, North Riverside, North Utica, Northbrook, Northfield, Norwood, Oak Brook, Oak Grove, Oak Lawn, Oak Park, Oakdale, Oakford, Oakwood, Oakwood Hills, Oblong, Oconee, Odell, Odin, Ogden, Ohio, Ohlman, Okawville, Old Mill Creek, Old Shawneetown, Old Ripley, Olmsted, Olympia Fields, Omaha, Onarga, Oquawka, Orangeville, Orion, Oreana, Orland Hills, Orland Park, Oswego, Palatine, Palestine, Palmer, Palmyra, Palos Park, Panola, Panama, Papineau, Park Forest, Patoka, Parkersburg, Paw Paw, Pawnee, Pearl, Payson, Pearl City, Pecatonica, Peoria Heights, Peotone, Percy, Perry, Pesotum, Phillipstown, Philo, Pierron, Phoenix, Pingree Grove, Piper City, Pittsburg, Plainville, Plainfield, Plattville, Pleasant Hill, Plymouth, Pleasant Plains, Pocahontas, Pontoon Beach, Pontoosuc, Poplar Grove, Port Barrington, Port Byron, Potomac, Posen, Prairie City, Prairie du Rocher, Prairie Grove, Pulaski, Princeville, Radom, Raleigh, Ramsey, Rankin, Ransom, Rantoul, Rapids City, Raritan, Raymond, Reddick, Redmon, Reynolds, Richmond, Richton Park, Richview, Ridge Farm, Ridgway, Ridott, Ringwood, Rio, River Forest, Ripley, River Grove, Riverdale, Riverside, Riverton, Riverwoods, Roanoke, Robbins, Roberts, Rochester, Rock City, Rockbridge, Rockdale, Rockwood, Rockton, Romeoville, Roscoe, Rose Hill, Vermilion, Vermont, Vernon, Vernon Hills, Versailles, Verona, Victoria, Viola, Villa Park, Virgil, Volo, PalatineRoselle, Rosemont, Roseville, Rossville, Round Lake, Round Lake Heights, Round Lake Beach, Round Lake Park, Roxana, Royal, Royal Lakes, Royalton, Ruma, Russellville, Rutland, Sadorus, Sailor Springs, St. Anne, St. Augustine, St. David, St. Jacob, St. Johns, St. Joseph, St. Libory, Ste. Marie, St. Peter, Sammons Point, San Jose, Sandoval, Sauget, Sauk Village, Saunemin, Savoy, Sawyerville, Saybrook, Scales Mound, Schaumburg, Schiller Park, Schram City, Sciota, Seaton, Scottville, Secor, Seatonville, Seneca, Shabbona, Shannon, Sheffield, Sheldon, Sheridan, Sherman, Sherrard, Shiloh, Shipman, Shorewood, Shumway, Sibley, Sidell, Sidney, Simpson, Sims, Skokie, Sleepy Hollow, Smithboro, Smithfield, Smithton, Somonauk, Sorento, South Barrington, South Chicago Heights, South Elgin, South Holland, South Jacksonville, South Pekin, South Roxana, South Wilmington, Southern View, Sparland, Spaulding, Spring Bay, Spillertown, Spring Grove, Springerton, Standard, Standard City, Steeleville, Stanford, Steger, Steward, Stewardson, Stickney, Stillman Valley, Stockton, Stonefort, Stone Park, Stonington, Strasburg, Stoy, Strawn, Stronghurst, Streamwood, Sublette, Summerfield, Sugar Grove, Summit, Sun River Terrace, Symerton, Swansea, Table Grove, Tamaroa, Tallula, Tamms, Tampico, Tennessee, Taylor Springs, Thawville, Teutopolis, Thayer, Thebes, Third Lake, Thomasboro, Thompsonville, Thomson, Thornton, Tilden, Tilton, Timberlane, Time, Tinley Park, Tiskilwa, Toledo, Tolono, Tonica, Tovey, Tower Hill, Towanda, Tower Lakes, Tremont, Trout Valley, Troy Grove, Ullin, Union, Union Hill, University Park, Ursa, Utica (see North Utica), Valier, Valley City, Valmeyer, Venedy, Varna, Vergennes, Wadsworth, Waggoner, Walnut, Walnut Hill, Walshville, Waltonville, Wapella, Warren, Warrensburg, Washburn, Washington Park, Wataga, Waterman, Watson, Wauconda, Wayne City, Wayne, Waynesville, Weldon, Wellington, Wenonah, West Brooklyn, West City, West Dundee, West Point, West Salem, Westchester, Western Springs, Westfield, Westmont, Westville, Wheeler, Wheeling, White City, Whiteash, Williamsfield, Williamson, Williamsville, Willisville, Willow Hill, Willow Springs, Willowbrook (DuPage County), Wilmette, Wilmington (Greene County), Wilsonville, Winfield, Windsor (Mercer County), Winnebago, Winnetka, Winslow, Winthrop Harbor, Wonder Lake, Woodhull, Woodland, Woodlawn (Jefferson County), Woodridge, Woodson, Worden, Worth, Wyanet, Xenia, Yale, Yates City, and many more.

Disclaimer: In accordance with IRS Circular 230, Regulations Governing the Practice of Attorneys, Certified Public Accountants, Enrolled Agents, Enrolled Actuaries, and Appraisers before the Internal Revenue Service, the information on this website is not intended or written to be used as, and cannot be used as or considered to be a "covered opinion" or other written tax advice, and should not be relied on for the purpose of (1) avoiding tax-related penalties under the Internal Revenue Code or (2) promoting, marketing or recommending to another party any transaction or tax-related matter(s) addressed herein, for IRS audit, tax dispute or other purposes.