List of IT Consultants in the USA

Last updated 21 October 2026

There are 257,527 IT consultants in the USA, one in every 248 US companies. Most of them are small: four in five have one to four people, and only 3,741 firms employ 50 people or more. One in seventeen IT consultancies is based in Houston, New York, Austin, Miami and Atlanta. Below you find the largest IT consultancies in the USA, the cities where they cluster, how many started this year and which are the oldest. The full list with addresses, phone numbers and email is in our US company database or through the Company Data API.

257,527 companies indexed · Data counted on 21 October 2026

Companies257,5271 in248 US companiesCities9,264Largest cityHouston 3,704Sole traders6%Employees1-4 (85%)Revenue< $100K (50%)Email16%Phone55%Website29%

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A live view of all 257,527 IT consultancies, sorted by revenue. Narrow it by region, city, employee size, revenue, legal form or founding year, or search a firm by name.

Leidos Holdings, INC.Leidos Holdings, INC.

	Company Name	Country	City	Address 1	State/Province	Postal Code	Website	Founding Year	Yearly Revenue in U.S. Dollars	Employees Total	Business Legal Type - Description	Number of Companies in Group	Company Registration Number
1	Leidos Holdings, INC.	USA	Reston	1750 Presidents St	Fairfax County	20190-5617	leidos.*****	1969	$17,174,000,000	47,000	Corporation	815	4014717
2	Kyndryl Holdings, INC.	USA	New York	1 Vanderbilt Ave Fl 15	New York	10017-5430	kyndryl.*****	2021	$15,092,000,000	72,000	Corporation	250	4340692
3	Servicenow, INC.	USA	Santa Clara	2225 Lawson Ln	Santa Clara	95054-3311	servicenow.*****	2004	$13,278,000,000	29,187	Corporation	107	5111469
4	Caci International INC.	USA	Reston	12021 Sunset Hills Rd	Fairfax County	20190-5854	caci.*****	1962	$8,627,824,000	25,000	Corporation	291	2072842
5	Capgemini North America, INC.	USA	New York	623 5th Ave Fl 33	New York	10022-9104	capgemini.*****	2002	$8,447,456,102	42,984	Corporation	763	3509818
6	Insight Enterprises, INC.	USA	Chandler	2701 E Insight Way Ste 1	Maricopa	85286-1947	insight.*****	1988	$8,247,180,000	14,505	Corporation	217	2264818
7	Capgemini America, INC.	USA	New York	79 5th Ave Fl 3	New York	10003-3034	capgemini.*****	2005	$7,900,000,000	18,941	Corporation	763	N/A
8	Science Applications International CORPORATION	USA	Reston	12010 Sunset Hills Rd	Fairfax County	20190-5856	saic.*****	1969	$7,262,000,000	23,000	Corporation	410	5271776
9	Computacenter United States INC.	USA	Norcross	6025 the Corners Pkwy Ste 100	Gwinnett	30092-3328	computacenter.*****	2018	$6,971,029,256	2,000	Corporation	174	3227845
10	The Parsons CORPORATION	USA	Chantilly	14291 Park Meadow Dr Ste 100	Fairfax County	20151-4253	parsons.*****	1944	$6,364,245,000	10,600	Corporation	588	0850622
11	Cerner CORPORATION	USA	Kansas City	8779 Hillcrest Rd	Jackson	64138-2700	cerner.*****	2022	$5,764,824,000	25,150	Corporation	1287	431196944
12	Gen Digital INC.	USA	Tempe	60 E Rio Salado Pkwy Ste 1000	Maricopa	85281-9124	gendigital.*****	1982	$5,000,000,000	3,900	Corporation	176	2158113
13	Godaddy INC.	USA	Tempe	100 S Mill Ave Unit 1600	Maricopa	85281-3398	godaddy.*****	2014	$4,951,100,000	5,845	Corporation	86	5510922
14	Balboa Intermediate Holdings LLC	USA	Palo Alto	3307 Hillview Ave	Santa Clara	94304-1204	tibco.*****	2014	$4,379,767,816	9,700	Corporation	166	5606217
15	Everforth, INC.	USA	Glen Allen	4400 Cox Rd Ste 110	Henrico	23060-3354	investors.*****	1985	$3,980,400,000	2,800	Corporation	256	2298693
16	Leidos, INC.	USA	Reston	1750 Presidents St	Fairfax County	20190-5617	leidos.*****	1969	$3,216,828,560	19,095	Corporation	815	0901386
17	Red Fiber Holdings LLC	USA	New York	125 W 55th St	New York	10019-5369	macquarie.*****	2020	$3,154,002,533	5,200	Corporation	122	7873810
18	Red Fiber Parent LLC	USA	New York	125 W 55th St	New York	10019-5369	macquarie.*****	2020	$3,154,002,533	5,200	Corporation	122	7874044
19	Rf Topco LLC	USA	New York	125 W 55th St	New York	10019-5369	macquarie.*****	2021	$3,154,002,533	5,200	Corporation	122	7874042
20	Presidio, INC.	USA	New York	1 Penn Plz Ste 2832	New York	10119-2832	presidio.*****	2024	$2,854,801,423	2,900	Corporation	1113	5644279
21	Accenture INC.	USA	Chicago	161 N Clark St	Cook	60601-3362	accenture.*****	1989	$2,777,981,748	459,295	Corporation	1732	3387477
22	Ptc INC.	USA	Boston	121 Seaport Blvd	Suffolk	02210-2050	arenasolutions.*****	1985	$2,739,226,000	7,642	Corporation	248	042866152
23	Moose Bidco, INC.	USA	Herndon	2251 Corporate Park Dr	Fairfax County	20171-4839	mantech.*****	2022	$2,518,384,000	8,900	Corporation	291	6787299
24	Slalom, INC.	USA	Seattle	255 S King St Ste 1800	King	98104-3320	slalom.*****	1993	$2,500,000,000	12,000	Corporation	23	7200705
25	Jack Henry & Associates, INC.	USA	Monett	663 W Highway 60	Barry	65708	jackhenry.*****	1976	$2,375,288,000	7,240	Corporation	97	2072612

Showing 25 of 261,915 companies

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IT consultancies in Houston

Houston has 3,704 IT consultants and IT consultancies, 0.4% of all 881,247 Houston companies and 4% above the national share. Four in five Houston firms have fewer than five people; 46 have 50 or more. 152 new firms were entered in 2026, 64 date from before 1990.

Size

1-4 staff: 3,044 · 82%
5-9: 334 · 9%
10-19: 167 · 5%
20-49: 99 · 3%
50+: 46 · 1%

Legal form

Sole traders: 320 · 9%
Partnerships: 84 · 2%
Corporations and LLCs: 2,741 · 74%
Other or none: 559 · 15%

Of the US total: 1.4%
Of all Houston companies: 0.4%
Against the national share: 1.0×

New

Entered 2026 so far: 152
Entered 2025: 315
Of USA's 2026 entries: 1.3%

Old

Before 1990: 64 · 2%
1990 or later: 3,640 · 98%
Of USA's pre-1990 firms: 1.0%

Reachable

Email: 595 · 16%
Phone: 1,868 · 50%
Website: 1,104 · 30%

Revenue (USD)

Under $100K: 1,810 · 51%
$100K-$500K: 1,374 · 39%
$500K-$1M: 134 · 4%
$1M and more: 211 · 6%

Largest

11,500
21,150
3750
4604
5382

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Largest IT consultancies in the USA

The biggest firms by staff and by revenue, the largest in Houston, the biggest newcomers of 2026 and the oldest firms. Click a name for the record.

Atos IT Solutions and Services is the largest IT consultancy in the USA by headcount. 3,741 firms employ 50 people or more; 1,611 employ 100 or more.

1Irving36,000 staff
2Kansas City25,150 staff
3Reston25,000 staff
4Reston23,000 staff
5Chicago22,000 staff
6Reston19,095 staff
7Blue Bell15,000 staff
8Chandler14,505 staff
9Buffalo12,264 staff
10Seattle12,000 staff

By employee size · 256,815 firms with a known headcount

Employees	Firms	%
1-4	217,729	85%
5-9	19,748	8%
10-19	9,317	4%
20-49	6,280	2%
50-99	2,130	0.8%
100-199	908	0.4%
200-499	485	0.2%
500-999	123	<0.1%
1,000+	95	<0.1%

85% have 1 to 4 people; 6,280 have 20 to 49; 3,741 have 50 or more.

By yearly revenue (USD)

Revenue	Firms	%
< $100K	123,903	50%
$100K-$500K	100,582	41%
$500K-$1M	8,828	4%
$1M-$5M	9,747	4%
$5M-$10M	1,692	0.7%
$10M-$50M	1,379	0.6%
$50M-$100M	166	<0.1%
$100M-$500M	145	<0.1%
$500M+	68	<0.1%

50% under $100,000; 9,747 between $1M and $5M; 3,450 above $5M.

Where in the USA?

Houston has the most IT consultants in the USA (3,704), ahead of New York (3,625), Austin (3,132), Miami (2,740) and Atlanta (1,905). Together the five hold one in seventeen of them. Relative to their size, Herndon, Ashburn and Kalispell have the most: 6.1 to 9.6 times the national share.

Cities by number of firms

9,264 US cities have at least one IT consultancy; 3,041 have ten or more; 2,571 have exactly one. Click a city to set the lens.

Only here

Where they cluster

IT consultancies per 100 companies, in cities with at least 100 of them. The national share is 0.40. Herndon has 9.6 times the national share.

9.6×
9.2×
6.1×
4.1×
3.9×
3.8×
3.7×
3.4×
3.2×
3.1×
3.0×
2.4×
2.3×
2.1×

Dashed line: the national share. A filled dot is twice the national share or more.

By county 1,705 counties

County	Firms	%
Los Angeles	7,037	3%
Orange	5,967	2%
Maricopa	5,410	2%
Harris	5,060	2%
Miami-Dade	4,477	2%
Montgomery	4,126	2%
Dallas	3,962	2%
New York	3,632	1%
Cook	3,531	1%
Collin	3,526	1%

Show all 1,705

How many IT consultants are there in the USA?

IT consultants and IT consultancies in the USA

257,527

21 October 2026

There are 257,527 IT consultants and IT consultancies in the USA in our data (21 October 2026). That is one in every 248 US companies. About 55 new firms are entered in the register every working day this year (11,627 so far in 2026).

Structure

Single-site firms: 240,315 93%
Head offices: 6,790
Branch offices: 10,422

Classification

Our platform filter is SIC 7373, 7379.

200,554 of the 257,527 are corporations and LLCs (78%); 15,260 are sole traders. They come from the state business registers and our US register data, through the Company Data API.

Firm sizes in the USA

Of the 256,815 US IT consultancies with a known headcount, 217,729 (85%) have one to four people, 19,748 have five to nine, 15,597 have ten to 49 and 3,741 have 50 or more. Most firms turn over under $100,000 a year (123,903, 50%).

EU size bands · the grey line shows all US companies

Micro under 10237,477 92%
Small 10 to 4915,597 6%
Medium 50 to 2493,523 1%
Large 250+218 <0.1%

Grey line: the share among all US companies (96% have under ten staff).

3,450

firms turn over more than $5 million a year; 1,758 more than $10 million.

11,627

firms were entered in 2026.

Sole traders or corporations: how they are organised

One in seventeen US IT consultancies work as sole traders, against 5% of all US companies. Four in five are corporations and LLCs.

Sole traders15,2606%
Partnerships3,3491%
Corporations and LLCs200,55478%
No form on record or other38,36415%

Single-site: 93%
Head offices: 6,790
Branches: 10,422

All US companies: 5% sole traders, 1% partnerships, 68% corporations and LLCs.

The oldest firms in the USA

Our data holds 2 US IT consultancies from before 1900, 28 from before 1950 and 6,622 from before 1990.

1856
1. College Park
1886
1. Blue Bell
1904
1. Canby
1912
1. New York
1917
1. El Paso
1917
1. Monterey Park

Older than you

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Move the slider to a year. Two live counts, scoped to this industry.

1990

6,622

US IT consultancies date from before 1990

942

were entered in 1990

How they compare

Next to related industries

There are 213 IT consultancies for every one of the fishermen in the USA.

Industry	Firms	Website	1-4 staff
IT Consultants	257,527	29%	85%
Engineering Companies	193,435	40%	75%
Employment Agencies	137,777	31%	82%
Farmers	26,221	71%	83%
Event Companies	14,494	87%	86%
Fishermen	1,209	18%	87%

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How reachable are they?

IT consultancies are easier to reach than the average US company: 55% list a phone number and 29% a website.

Email40,454 16%
Phone141,170 55%
Website75,544 29%

Grey line: all US companies (email 15%, phone 42%, website 24%).

The full list with these fields is in our US company database.

Newcomers in the USA in 2026

11,627 IT consultancies were entered in the US register so far in 2026, about 55 a working day, after 18,907 in 2025. The USA as a whole saw 2,970,531 new companies in 2026, so this industry takes 0.4% of the inflow.

13,2222022
15,9362023
17,4062024
18,9072025
11,6272026 so far

11,476 of this year's 11,627 are corporations and LLCs.

The biggest newcomers of 2026

The year is the register entry; an established firm that changes legal form appears as new.

1Spokane800 staff
2College Station750 staff
3Mclean309 staff
4Oak Brook210 staff
5Westlake150 staff

Frequently asked questions

How many IT consultants are there in the USA?

There are 257,527 IT consultants and IT consultancies in the USA in our data, counted on 21 October 2026. That is one in every 248 US companies.

Which is the largest IT consultancy in the USA?

Atos IT Solutions and Services in Irving, with 36,000 staff. By revenue Leidos Holdings in Reston leads with $17.2 billion a year.

Which US city has the most IT consultants?

Houston, with 3,704, ahead of New York (3,625), Austin (3,132), Miami (2,740) and Atlanta (1,905). Relative to its size, Herndon has the most: 9.6 times the national share.

How many IT consultancies are there in Houston?

3,704, which is 0.4% of all 881,247 Houston companies and 4% above the national share.

How big is a typical IT consultancy?

Small. 85% of the 256,815 firms with a known headcount have one to four people; 3,741 have 50 or more. Most turn over under $100,000 a year.

Are US IT consultants sole traders or companies?

One in seventeen (15,260) are sole traders, 1% are partnerships and 78% (200,554) are corporations and LLCs.

How many IT consultancies started in 2026?

11,627 were entered in the US register so far in 2026, after 18,907 in 2025. 11,476 of them are corporations and LLCs.

What is the oldest IT consultancy in the USA?

College Park University in College Park, 1856, followed by Unisys in Blue Bell (1886) and Canby Telephone Association in Canby (1904). 2 firms date from before 1900.

Which industry code covers IT consultants?

Our platform filters them on SIC 7373 (computer integrated systems design) and 7379 (computer related services, not elsewhere classified).

Can I download the full list?

Yes. All 257,527 firms with address, phone, email, legal form, employees, revenue and founding year, as Excel, CSV or through the API.

Discover more: related industries, by city

The lists closest to this one. Every industry and city in the USA is on the USA page.

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