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Top 100 Best IT Services and IT Consulting Companies

Discover the highest-rated IT Services and IT Consulting companies with 3,000+ employees, ranked by Rankiteo's proprietary cyber resilience scoring methodology. 89 companies scored.

405
Companies in Industry
89
Scored
729.6
Avg Score
170
Cyber Incidents
Top 89
Shown

IT Services and IT Consulting Cybersecurity Rankings - Best Companies in 2026

The IT Services and IT Consulting sector is home to 405 companies with 3,000 or more employees that Rankiteo actively monitors for cybersecurity resilience. This page presents the Top 89 highest-scoring organizations, ranked by our proprietary Cyber Resilience Score - a composite metric that integrates time-decayed incident exposure, sector-sensitive impact analysis, and market-cap-aware baseline and dampening to produce a single, interpretable score between 100 and 1,000.

Companies at the top of this ranking have the fewest and least-severe recorded cyber incidents - including ransomware attacks, data breaches, and publicly disclosed vulnerabilities. Their scores benefit from clean or near-clean incident histories, favorable industry-level resilience adjustments, and, where applicable, scale-aware baseline anchoring. These organizations serve as benchmarks for what strong cybersecurity posture looks like in the IT Services and IT Consulting industry.

The average cyber resilience score for IT Services and IT Consulting companies with 3,000+ employees is currently 729.6 out of 1,000, placing the industry in the Ba–Baa range - adequate but with room for improvement.

Key Insights

839
Highest Score
729.6
Industry Average
11%
Scoring A or Above
170
Recorded Incidents
AI Analysis

Cybersecurity in IT Services and IT Consulting

Generating industry analysis...

Score Distribution

Aaa
0 (0.0%)
Aa
0 (0.0%)
A
10 (11.2%)
Baa
54 (60.7%)
Ba
11 (12.4%)
B
4 (4.5%)
Caa
2 (2.2%)
Ca
2 (2.2%)
C
6 (6.7%)
#CompanyLabelScoreBandIncidentsScore Bar
1
Visavisa.com
Computer Systems Design and Related Services839A0
2
HCLTechhcltech.com
Computer Systems Design and Related Services836A0
3
Geek Squadgeeksquad.com
Computer Systems Design and Related Services827A1
4
Hitachihitachi.com
Computer Systems Design and Related Services827A0
5
Accenture in Indiaaccenture.com
Computer Systems Design and Related Services822A0
6
Mastercardmastercard.com
Computer Systems Design and Related Services822A1
7
NTT DATA, Inc.global.ntt
Computer Systems Design and Related Services808A0
8
Hikvisionhikvision.com
Computer Systems Design and Related Services807A2
9
FISfisglobal.com
Computer Systems Design and Related Services806A1
10
Wiprowipro.com
Computer Systems Design and Related Services801A0
11
Iron Mountainironmountain.com
Computer Systems Design and Related Services797Baa0
12
Fiservfiserv.com
Computer Systems Design and Related Services795Baa1
13
ITC Infotechitcinfotech.com
Computer Systems Design and Related Services795Baa0
14
Capgeminicapgemini.com
Computer Systems Design and Related Services794Baa0
15
ValueLabsvaluelabs.com
Computer Systems Design and Related Services791Baa0
16
Amadeusamadeus.com
Computer Systems Design and Related Services789Baa1
17
Dexiandexian.com
Computer Systems Design and Related Services787Baa0
18
Lenovolenovo.com
Computer Systems Design and Related Services786Baa3
19
AlmavivA Groupalmaviva.it
Computer Systems Design and Related Services785Baa0
20
Apex Systemsapexsystems.com
Computer Systems Design and Related Services785Baa1
21
General Dynamics Information Technologygdit.com
Computer Systems Design and Related Services785Baa1
22
YASH Technologiesyash.com
Computer Systems Design and Related Services784Baa1
23
Dimension Datadimensiondata.com
Computer Systems Design and Related Services783Baa0
24
EPAM Systemsepam.com
Computer Systems Design and Related Services782Baa0
25
Infinite Computer Solutionsinfinite.com
Computer Systems Design and Related Services780Baa0
26
TD SYNNEX North Americatdsynnex.com
Computer Systems Design and Related Services780Baa0
27
Amaris Consultingamaris.com
Computer Systems Design and Related Services779Baa0
28
Carelon Global Solutions Indiacarelonglobal.in
Computer Systems Design and Related Services779Baa0
29
OKXokx.com
Computer Systems Design and Related Services779Baa0
30
Infogaininfogain.com
Computer Systems Design and Related Services778Baa0
31
Rackspace Technologyrackspace.com
Computer Systems Design and Related Services778Baa0
32
Thales Cyber and Digitalthalesgroup.com
Computer Systems Design and Related Services777Baa0
33
Samsung SDSsamsungsds.com
Computer Systems Design and Related Services777Baa0
34
Zoomzoom.com
Computer Systems Design and Related Services777Baa2
35
Xoriantxoriant.com
Computer Systems Design and Related Services776Baa0
36
Engineering Groupeng.it
Computer Systems Design and Related Services775Baa0
37
Mastekmastek.com
Computer Systems Design and Related Services774Baa0
38
GitLabgitlab.com
Computer Systems Design and Related Services773Baa4
39
Kyndryl Indiakyndryl.com
Computer Systems Design and Related Services771Baa0
40
Neobponeohype.co
Computer Systems Design and Related Services771Baa0
41
act digitalactdigital.com
Computer Systems Design and Related Services770Baa0
42
Cerner Corporationlinkedin.com
Computer Systems Design and Related Services768Baa4
43
Hexaware Technologieshexaware.com
Computer Systems Design and Related Services768Baa0
44
Hexagon Manufacturing Intelligencehexagon.com
Computer Systems Design and Related Services767Baa0
45
Pinnacle Infotechpinnacleinfotech.com
Computer Systems Design and Related Services767Baa0
46
Tek Expertsteknowledge.com
Computer Systems Design and Related Services767Baa0
47
Ensonoensono.com
Computer Systems Design and Related Services766Baa0
48
Accenture UK & Irelandaccenture.co.uk
Computer Systems Design and Related Services765Baa0
49
CenturyLinkcenturylink.com
Computer Systems Design and Related Services765Baa1
50
CMC LTDcmcltd.com
Computer Systems Design and Related Services765Baa0
51
Presidiopresidio.com
Computer Systems Design and Related Services765Baa0
52
Startek Indiastartek.com
-764Baa0
53
Santander Digital Servicessantanderdigitalservices.com
Computer Systems Design and Related Services764Baa0
54
Atos IT Solutions and Services A/Satos.net
Computer Systems Design and Related Services763Baa0
55
CMS IT Servicescmsitservices.com
-763Baa0
56
Inspur Groupinspur.com
-763Baa0
57
Kyndrylkyndryl.com
Computer Systems Design and Related Services763Baa0
58
TD SYNNEX UStdsynnex.com
Computer Systems Design and Related Services762Baa0
59
Verizon Businessvzbiz.biz
Computer Systems Design and Related Services762Baa1
60
Asurionasurion.com
Computer Systems Design and Related Services760Baa1
61
ASGN Incorporatedasgn.com
Computer Systems Design and Related Services759Baa0
62
Hewlett Packard Enterprisehpe.com
Computer Systems Design and Related Services756Baa6
63
Zensar Technologieszensar.com
Computer Systems Design and Related Services756Baa0
64
Sutherlandsutherlandglobal.com
Computer Systems Design and Related Services751Baa1
65
ASRC Federalasrcfederal.com
Computer Systems Design and Related Services749Ba1
66
adesso SEadesso.de
Computer Systems Design and Related Services747Ba0
67
Diebold NixdorfDieboldNixdorf.com
Computer Systems Design and Related Services746Ba2
68
Compucomcompucom.com
Computer Systems Design and Related Services741Ba1
69
Orange Cyberdefenseorangecyberdefense.com
Computer Systems Design and Related Services731Ba2
70
SITAsita.aero
Computer Systems Design and Related Services730Ba2
71
HPE Aruba Networkinghpe.com
Computer Systems Design and Related Services717Ba1
72
Gainwell Technologiesgainwelltechnologies.com
Computer Systems Design and Related Services711Ba2
73
LexisNexislexisnexis.com
Computer Systems Design and Related Services710Ba4
74
HPhp.com
Computer Systems Design and Related Services701Ba2
75
TEKsystemsteksystems.com
Computer Systems Design and Related Services700Ba1
76
SoftBanksoftbank.jp
Computer Systems Design and Related Services684B1
77
Pure Storagepurestorage.com
Computer Systems Design and Related Services676B2
78
Amazon Web Services (AWS)amazon.com
Computer Systems Design and Related Services667B14
79
Booz Allen Hamiltonboozallen.co
Computer Systems Design and Related Services659B3
80
Rackspace Technologyrackspace.com
Computer Systems Design and Related Services639Caa3
81
IBMibm.com
Computer Systems Design and Related Services638Caa14
82
Cognizantcognizant.com
Computer Systems Design and Related Services579Ca1
83
Verizonverizon.com
Computer Systems Design and Related Services566Ca12
84
TransUniontransunion.com
Computer Systems Design and Related Services482C12
85
Episourceepisource.com
Computer Systems Design and Related Services441C3
86
Oracleoracle.com
Computer Systems Design and Related Services404C22
87
F5f5.com
Computer Systems Design and Related Services343C9
88
Change Healthcarechangehealthcare.com
Computer Systems Design and Related Services100C18
89
Ingram Microingrammicro.com
Computer Systems Design and Related Services100C5

How We Score IT Services and IT Consulting Companies

Rankiteo's Cyber Resilience Score produces a single, interpretable value between 100 and 1,000 for each organization, where higher scores indicate lower estimated cyber risk. The framework integrates three principal components that together balance evidence, context, and comparability across industries and company sizes. Learn more in our AI Cyber Score methodology.

Scoring Components

  • Time-Decayed Incident Exposure (Pinc): Every confirmed cyber incident - ransomware, data breach, cyber attack, or disclosed vulnerability - contributes a penalty weighted by recency and scaled by quantitative severity (financial loss and records exposed). Category-specific base weights reflect real-world impact: ransomware (100 pts), data breach (60 pts), cyber attack (20 pts), and vulnerability (5 pts). Each category decays at a different rate - roughly 3 years for ransomware and data breaches, 2 years for cyber attacks, and 18 months for vulnerabilities - so that older, lower-impact events fade while recent, severe incidents retain lasting influence.
  • Sector-Sensitive Impact Multipliers: Identical incidents carry different weight depending on the industry. Each NAICS sector receives multipliers based on four dimensions: safety-of-life risk, service continuity, regulatory/legal exposure, and data sensitivity. For example, a ransomware attack on a hospital or a utility carries a higher penalty than the same attack on a retail company, reflecting the greater real-world consequences.
  • Market-Cap Baseline & Dampening: A logistic baseline between 750 and 850 anchors each company's starting score based on organizational size. A continuous dampening factor attenuates incident penalties for very large firms, recognizing that larger organizations face higher disclosure rates and typically have greater absorption capacity - without masking genuinely severe events.
  • Industry Adjustment (Aind): A bounded additive term derived from NAICS-level historical incident-rate z-scores. This adjustment rewards companies in historically resilient sectors - but only when they maintain a clean or near-clean incident record. Once any material recent incident occurs, the firm-specific track record dominates the score.
  • Quantitative Severity Scaling: When financial loss or records-exposed data is available, the incident penalty is amplified proportionally - scaled relative to the company's market capitalization so that the same dollar loss has a larger effect on a smaller firm. The combined severity multiplier is capped at 3× to prevent outliers from dominating.
  • Ransomware Recurrence Escalation: Repeated ransomware events within a short timeframe trigger a bounded recurrence multiplier (up to 1.5×), reflecting the elevated systemic risk of persistent adversarial footholds or remediation failures.

Understanding the Bands

Each company's numerical score is also mapped to a letter-grade band for quick comparison. Here is what each band means for IT Services and IT Consulting companies:

  • Aaa (900–1,000): Exceptional cyber resilience. Top-tier security across all measured dimensions.
  • Aa (800–899): Very strong posture with minimal identifiable weaknesses.
  • A (700–799): Strong security practices with some areas for improvement.
  • Baa (600–699): Adequate protection, but notable gaps in security configuration exist.
  • Ba (500–599): Below average. Multiple risk areas require attention.
  • B (400–499): Weak security posture with significant exposure across several categories.
  • Caa (300–399): Very weak. High probability of exploitable vulnerabilities.
  • Ca (200–299): Critically poor security with severe, widespread gaps.
  • C (0–199): Extreme risk. Immediate remediation needed across the board.

Why IT Services and IT Consulting Cybersecurity Matters

As digital transformation accelerates, it services and it consulting organizations handle growing volumes of sensitive data - from customer records and financial information to proprietary intellectual property. A breach in this sector can lead to regulatory penalties, reputational damage, operational disruption, and loss of customer trust.

Supply chain risk is another critical factor. Even if your organization is not in the IT Services and IT Consulting sector directly, third-party vendors and partners in this industry may represent a significant part of your supply chain risk profile. Evaluating the cyber resilience of it services and it consulting companies helps procurement teams, risk officers, and CISOs make data-driven decisions about vendor selection and ongoing monitoring.

Rankiteo tracks 405 it services and it consulting companies with 3,000+ employees, updating scores on a continuous basis so you always have the latest view of the industry's cybersecurity landscape.

Top 100 Best It Services And It Consulting Companies by Cybersecurity Score (2026) | Rankiteo