TOP 7 CYBERSECURITY SERVICES PROVIDERS FROM CLIENTS IN THE CITY OF LONDON

Top 7 cybersecurity services providers from clients in the City of London

Top 7 cybersecurity services providers from clients in the City of London

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If you are comparing the top cybersecurity services in the City of London, begin with providers that connect security work to cloud support, incident response, and daily business systems. The list keeps the ranking order provided and shows where each company fits so you can narrow your options quickly.

Quick picks:

  • Redpoint Cybersecurity Consulting Services Company NYC New York — a strong fit for cybersecurity consulting in NYC
  • Sunstone Digital Tech — Best for risk, cloud, and response needs
  • Cyberbrink Cybersecurity Services — Best for straightforward cybersecurity services
  • Silent Breach — Best for New York office support
  • Acrisure Cyber Services — a strong fit for focused cyber services
  • DIGIGUARD CYBER SECURITY — well suited to a direct cyber security brand presence
  • Coronet Cyber Security — a strong fit for cyber security brand presence in New York
Name Best for Standout fact
Redpoint Cybersecurity Consulting Services Company NYC New York Cybersecurity consulting 5 rating
Sunstone Digital Tech Risk, cloud, response 2,500+ satisfied clients
Cyberbrink Cybersecurity Services General cybersecurity services 5 rating
Silent Breach New York office support 5 rating
Acrisure Cyber Services Focused cyber services 4.9 rating
DIGIGUARD CYBER SECURITY Direct cyber security branding 5 rating
Coronet Cyber Security Cyber security brand presence 5 rating

How to choose Top cybersecurity services companies in the City of London

  • See whether the firm handles advice, IT management, network security, or cloud support.
  • Watch for response speed if you need help desk, remote support, or incident response.
  • Align the provider to your sector, such as law firms, financial services, or hedge funds.
  • Review proof of trust, such as ratings, certifications, and client counts.
  • We compared 58 businesses from public Google Maps and search data on services, service area and published review data, keeping the 15 that passed screening as of September 2026

1. Redpoint Cybersecurity Consulting Services Company NYC New York — Best for cybersecurity consulting

Redpoint Cybersecurity Consulting Services Company NYC New York provides cybersecurity consulting from its New York office at 3 Times Sq. It makes it a good fit if you want help with security plans, risk reviews, or better internal controls.

The 5 rating gives it a simple trust signal, and the consulting-first setup keeps the service focus easy to compare. If your shortlist centers on advisory work, this firm keeps that path simple.

Pros:

  • Delivers cybersecurity consulting in NYC
  • Works from 3 Times Sq, New York, NY 10036
  • Shows a 5 rating
  • Puts its work on security advisory services

Best for: Businesses that seek cybersecurity consulting in New York City.

  • Address: 3 Times Sq, New York, NY 10036
  • Website: https://www.redpointcyber.com/cybersecurity-nyc/

2. Sunstone Digital Tech — Best for risk, cloud, and response needs

Sunstone Digital Tech combines cybersecurity services with digital marketing, SEO, PPC, web design, branding, reputation management, and AI strategy. That mix makes sense if you want a single partner for security and digital operations.

Its profile lists 2,500+ satisfied clients, a 4.9 rating, and $112,180,461+ in revenue generated for clients. The specialties listed include risk, cloud, and response, which connects the security side to business needs.

Pros:

  • Delivers cybersecurity services alongside digital marketing
  • Includes risk, cloud, and response specialties
  • Shows a 4.9 rating
  • Serves 2,500+ satisfied clients
  • Shares $112,180,461+ in revenue generated for clients

Best for: Teams that need security support tied to risk, cloud, and response work.

  • Website: https://sunstonedigitaltech.com/cybersecurity-services/

3. Cyberbrink Cybersecurity Services — Best for straightforward cybersecurity services

Cyberbrink Cybersecurity Services places its cybersecurity offer at the center, with the service name covering most of the talking. Its New York address at 442 5th Ave #1574 sets it in a central business corridor.

A 5 mark brings to its appeal for organizations that want a dedicated security provider. The clear naming and clear focus help it easy to spot during a fast look.

Pros:

  • Provides cybersecurity services as its main offering
  • Works from 442 5th Ave #1574, New York, NY 10018
  • Shows a 5 rating
  • Presents a focused security brand identity

Best for: Companies that want a direct cybersecurity services provider.

  • Address: 442 5th Ave #1574, New York, NY 10018
  • Website: https://cyberbrink.com/

4. Silent Breach — Best for New York office support

Silent Breach operates a New York office at 244 Madison Ave, which may matter if you want a provider with a clear local footprint. The firm is located in a central Manhattan business area that is practical for city-based organizations.

It shows a 5 rating, adding another strong trust signal in this list. The short, security-themed name also keeps the cyber focus front and center.

Pros:

  • Operates from 244 Madison Ave, New York, NY 10016
  • Shows a 5 rating
  • Has a New York office presence
  • Uses a cybersecurity-focused brand identity

Best for: Businesses that prefer a New York office for cybersecurity support.

  • Address: 244 Madison Ave, New York, NY 10016
  • Website: https://silentbreach.com/

5. Acrisure Cyber Services — Best for focused cyber services

Acrisure Cyber Services builds its work around cyber services and uses a New York base at 55 W 39th St Fl 12. That location works for firms that want a provider with a security-specific name and a midtown location.

The 4.9 rating keeps it close to the top tier in the list. Its plain service focus makes it a practical option for organizations reviewing dedicated cyber support in the city.

Pros:

  • Centers on cyber services
  • Is based at 55 W 39th St Fl 12, New York, NY 10018
  • Displays a 4.9 rating
  • Keeps a security-first brand name

Best for: Teams that want a cyber services provider with a focused profile.

  • Address: 55 W 39th St Fl 12, New York, NY 10018
  • Website: https://acrisurecyber.com/?utm_source=GBP&utm_campaign=local&utm_medium=mainlink

6. DIGIGUARD CYBER SECURITY — Best for a direct cyber security brand presence

DIGIGUARD CYBER SECURITY presents a clear cybersecurity brand and lists a New York office at 757 3rd Ave 20th floor. The name makes the service line clear to prospects sorting through options quickly.

It also shows a 5 rating, which supports its place in the ranked set. For buyers who want a provider with a direct cyber identity, the positioning is simple to read.

Pros:

  • Uses a direct cyber security brand name
  • Operates from 757 3rd Ave 20th floor, New York, NY 10017
  • Carries a 5 rating
  • Points to a security-only market position

Best for: Organizations that want a provider with a plain cyber security identity.

  • Address: 757 3rd Ave 20th floor, New York, NY 10017
  • Website: http://www.digiguardsecurity.com/


7. Coronet Cyber Security — Best for cyber security brand presence in New York

Coronet Cyber Security completes the list with a New York address at 462 Broadway, placing it in a well-known downtown corridor. The brand is squarely aimed at cyber security, which keeps the service intent direct.

It also carries a 5 rating. That mix of location and security focus makes it an straightforward entry to compare alongside the other city-based providers here.

Pros:

  • Works from 462 Broadway, New York, NY 10013
  • Carries a 5 rating
  • Maintains a clear cyber security brand presence
  • Matches New York organizations looking for a local security provider

Best for: Companies that want a New York cyber security brand with a central address.

  • Address: 462 Broadway, New York, NY 10013
  • Website: http://www.coro.net/


Conclusion

Choosing between top cybersecurity services comes down to three things, the service fit, the level of local support, and the trust signals that matter to your team. If you need advisory help, a consulting-led firm fits that need better. If you want ongoing coverage, look for managed support, cloud help, network security, or response Bonuses capabilities. Ratings, office location, and sector fit can help you narrow the field fast.



FAQ


Is cybersecurity still worth it in 2026?

Yes. Businesses still face phishing, account takeover, ransomware, and weak-password attacks, so security support remains part of basic business risk management. Top cybersecurity services help you reduce those risks before they spread through your systems.

How much do cybersecurity services?

Fees depends on the service scope, such as consulting, managed services, monitoring, or incident response. The size of your setup and the speed of support you need also shape the quote, so the right fit usually comes from matching service depth to risk.


Is cybersecurity insurance worth it?

Cyber insurance can help with financial recovery after a breach, but it usually works best when paired with active controls like backups, access management, and response planning. Think of it as one layer in a larger security plan, not the full answer.


How much does it cost to do cyber security?

Costs vary widely because cyber security can mean a one-time assessment, ongoing monitoring, or a full managed service plan. Ask for pricing based on the systems you need covered, then compare that scope with the service mix you actually need.


What is the 80/20 rule in cybersecurity?

It usually means a small number of controls, like strong passwords, MFA, patching, and backups, can reduce a large share of common risk. Many teams start with those basics before adding more layers, then choose services that support that foundation.



What to do next

Use these points to compare service scope, support speed, and how closely each provider matches your business type. On a quote call, ask what they cover, how they handle incidents, and what is included in ongoing support. Before you sign, confirm the service terms, the response process, and who will manage your account.

Last updated 2026.

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