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IT Support · Mayfair

IT Support Mayfair

We provide IT support in Mayfair tailored to local companies, helping you stay productive, avoid downtime, secure your data, and focus on growing your business.

As part of our managed support, we take care of everything from cloud solutions and internet connectivity to disaster recovery, VoIP, hardware procurement, and more.

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Outstanding CloudTango Excellent
Mayfair · W1
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What we do

IT Support Services for Mayfair Businesses

  • Microsoft 365 & Google Workspace

    We help Mayfair businesses set up Microsoft Office 365 and Google Workspace, handling user training, licence management, security, and ongoing support.

  • Cloud services

    We help London businesses modernise with cloud solutions, whether you are moving off local servers or getting more value from your current cloud setup.

  • Cyber security

    Our cyber security solutions protect sensitive data with regular audits, encryption, and proactive monitoring to shield your IT systems from cyber threats.

  • Disaster recovery & backup solutions

    We provide backup and disaster recovery so your data stays accessible and recoverable after any accident, hardware failure, or cyber attack.

  • Internet connectivity

    We keep Mayfair businesses online with fast, secure internet connectivity, handling setup through to ongoing support of your infrastructure.

  • VoIP & telephony

    We set up, support, and maintain your phone systems and VoIP infrastructure for clear audio, smooth call handling, and reliable connections.

  • Hardware & software procurement

    We help you find and source the right hardware and software, taking care of everything from procurement to delivery.

  • Infrastructure & networks

    We deliver reliable infrastructure and network solutions for secure file sharing and real-time data access, from planning and cabling to ongoing support.

Reliable IT support Mayfair businesses trust is just a call away.

Talk to an IT Advisor

Partnered with the best · Certified by Microsoft, Google & Cyber Essentials

  • Microsoft Solutions Partner
  • Google Workspace Partner
  • Cyber Essentials Plus
  • SentinelOne
  • Jamf
  • NinjaOne
  • Datto Authorized Partner
  • SonicWall
  • Bitdefender
  • KnowBe4
  • DNSFilter
  • Keepr
  • Datto
  • Microsoft Teams

Case studies

Client Success Stories

London businesses come to Sereno when they want IT to feel organised, owned and easier to manage. Real outcomes for real businesses.

  • Hutton Consulting

    Case study · Hutton Consulting

    The IT Relationship Hutton Consulting Was Looking For

    Modernised cloud and identity setup to support hybrid working, with security and strategy from a partner they could finally trust.

    Read the case study
  • Statons Estate Agents offices

    Case study · Statons Estate Agents

    How Statons Transformed Operations with Microsoft 365

    Took ownership of devices, onboarding and security so the operations team could focus on customers, not IT.

    Read the case study
  • Urban Logistics REIT

    Case study · Urban Logistics REIT

    Reliable IT Support for a Listed Property Investment Company

    Built an IT roadmap aligned to growth, with predictable monthly investment, dependable support and clearer reporting.

    Read the case study

Our Happy Clients

Google Reviews
Sereno IT Support

70 Google reviews

Write a review

  • Dominik

    10 months ago

    We have partnered with Sereno on a range of IT projects and appointed them as our managed IT services provider and the experience has been exceptional from the…

  • Jo Joynes

    a year ago

    Sereno IT are innovative in their approach to IT support. We moved to Sereno IT in Jan 2023 and have not looked back.

  • AJ Shazad

    a year ago

    I have known Sereno (and their previous business) since 2016 as they are the IT solutions providers of our private credit fund with complex operations.

  • Tim Field

    a year ago

    Great company, very efficient with some wonderful individuals supporting

  • Scott Simmons

    a year ago

    We have used Sereno for our IT support since May 2023 and find the team to be quick, informative and clear in terms of describing any work carried out to…

  • Adam Wright

    a year ago

    We've been working with Sereno for 18 months now and have been impressed by their solution oriented approach.

  • MB

    a year ago

    Great service, rapid response time, friendly, professional technicians - couldn't be better. Very glad we switched providers.

  • Daljit Sumal

    a year ago

    Amazing service as always. Had a few queries which were dealt with swiftly and calmly.

  • Kevin Williams

    a year ago

    Sereno have always responded quickly to our requests/issues. Very polite and professional staff who keep you informed of progress of any problem solutions…

  • Richard Martin

    a year ago

    My company moved to Sereno IT over the new year and we have found the process not only to be painless but i would describe it as enjoyable.

  • Annabelle Pugh

    2 years ago

    We have been clients of Sereno IT's since summer 2023 and we have been extremely happy with the service we have received to date.

  • Dana Ozola

    2 years ago

    These guys are new in the market, but they provide outstanding service. What is important to our company, that they comprehend hierarchy of team and therefore…

  • John Holmes

    2 years ago

    We have been a customer of Sereno since Summer 2023 and the experience since has been overwhelmingly positive.

  • Alexander Moss

    2 years ago

    Great company, full of energy and very attentive to our needs. You really get a personalised service, with the technical ability of a much larger company.

  • James Goodwin

    2 years ago

    My business has recently adopted Sereno IT Support as our ITSM partner over the last quarter.

  • Madeleine Barley

    2 years ago

    Excellent, speedy, friendly and very 'human' service. Intuitive and easy to use platform.

  • Chris Needham

    3 years ago

    I've had the pleasure of working with Sereno for several months now, they are honestly absolutely fantastic.

  • shima

    6 months ago

    Sereno is the most reliable IT support team

CloudTango Reviews

  • “Sereno have been a reliable and valued partner, with a fantastic team of highly responsive and capable technicians, backed by proactive and forward-thinking leadership.”

    John Holmes

    IT Manager, Oikos Storage Ltd

    CloudTango Review

  • “After a couple of challenging years with our previous IT support company, moving to Sereno IT in 2024 has been one of the best business decisions we've made.”

    Joanna Socko

    Franklyn James

    CloudTango Review

  • “IT is no longer a burden or even a part of my work week. I know the team are looked after quickly if they have an issue, and I get all the advice and guidance…”

    Jamie Waldegrave

    COO/CFO, Urban Logistics

    CloudTango Review

  • “The advice we've had from Sereno means we can make informed decisions about what our company actually needs and we know we can implement changes easily.”

    Alice Lees

    Hutton Consulting

    CloudTango Review

  • “Sereno IT provided a solution that perfectly aligned with our needs. Not only did they help us save on costs, but they also ensured our systems are secure and…”

    Nigel Shearsby

    Statons Estate Agents

    CloudTango Review

  • “We've been working with Sereno IT for a year now and continue to be impressed by their forward-thinking approach.”

    Katie Sexton

    Archio Ltd

    CloudTango Review

  • “Sereno are an innovative IT company who make solving your IT issues quick and simple with their vast knowledge.”

    Jo Nauman

    AKT Productions Limited

    CloudTango Review

  • “We have been working with Sereno for around a year and half now, and the support they've provided has been truly invaluable to our business.”

    Fay Allen

    Greencore Homes Ltd

    CloudTango Review

  • “We've been working with SERENO IT and are very happy with their service. Communication is always smooth and efficient, and their team is extremely helpful and…”

    Aziz Selcuk Tuncer

    Ant Yapi UK Ltd

    CloudTango Review

  • “Reliable, Responsive, and Proactive — A True IT Partner. We switched to Sereno after experiencing repeated delays and poor communication from our previous IT…”

    Nisha Patel

    Strata Property Group Ltd

    CloudTango Review

  • “We have worked with Sereno for a couple of years and have been really pleased with them, they are much better than our previous IT support.”

    Justin Elvey

    Director, Big Potato Limited

    CloudTango Review

  • 5-star rated on Google and CloudTango

  • 75+

    Companies and 2,300+ people supported

  • 98%

    Client retention since inception, with zero quality-related churn

  • 100%

    Staff retention last year, so you work with the same accountable team

  • Growing

    We helped our clients grow 14% on average last year

Why Sereno

Why Choose Sereno IT for IT Support in Mayfair?

  • Local presence

    While we can solve 75% of IT issues remotely within an hour, some situations still require on-site assistance. We are located in central London within easy reach of Marble Arch, Bond Street, Oxford Circus, Piccadilly Circus, and Green Park stations. When partnering with us, you'll have peace of mind knowing your London IT support team is nearby when it matters most.

  • Built-in security

    Sereno provides an end-to-end suite of cyber security services, supporting small and medium-sized businesses in maintaining strong data security and system integrity. We implement regular security assessments, firewalls, encryption, multi-factor authentication, and real-time monitoring to detect threats before they escalate.

  • Industry-focused IT services

    At Sereno, we have experience working with companies across a range of sectors, spanning real estate, financial services, insurance, manufacturing, media, and more. Our IT services are tailored to the day-to-day demands of each industry to ensure smooth operations, minimal disruption, and an efficient IT infrastructure that keeps up with your pace.

  • Comprehensive IT support for Mayfair businesses

    If you're looking for reliable IT support in Mayfair that can handle all your needs, Sereno has you covered. We offer an end-to-end range of services, from hardware procurement and Office 365 setup to disaster recovery and cloud computing. Sereno brings everything you need under one roof, no matter how complex your technology setup is.

  • Proactive approach

    At Sereno, we leverage proactive monitoring to identify and address IT-related issues, from security vulnerabilities to failing hardware, before they become major problems that disrupt your business operations. This way, your staff members can stay focused on their work instead of dealing with unexpected problems.

  • Flexible & scalable solutions

    Our company offers both fully managed and co-managed IT support so you can choose what fits you best. Trusted by more than 75 small and medium-sized businesses across London, Sereno's services are designed to grow with you. And with our honest, predictable pricing and focus on long-term cost savings, you'll always know where you stand.

  • We offer more than SLAs

    We moved away from SLAs in favor of measuring your experience. Every interaction contributes to your Partner Experience score (PX), providing a clear, unfiltered view of how we're doing based on real feedback from you and your team. If the score falls below 95%, we create a tailored service improvement plan. If we still can't exceed 95%, you're free to walk away.

We deliver expert IT support Mayfair clients count on. Get in touch today to see how we can help.

Book a 1-1 discovery call

Security

Cyber Security for Businesses

Sereno provides comprehensive security solutions to protect your employees, data, devices, and networks from ongoing threats. We identify vulnerabilities in your setup and recommend cost-efficient solutions to safeguard your systems — while helping ensure your environment complies with relevant regulations, such as GDPR and FCA.

Our transparent, flexible Cyber Security Packages cover the main areas of risk for any organisation, so you can make an informed choice that suits your needs and budget.

Cyber Essentials Plus certified

We're Cyber Essentials Plus certified, a UK government-backed standard, independently verified by an external auditor.

  • Device

    Encryption, patching and endpoint protection on every device.

  • Email

    Anti-phishing, filtering and secure email so threats never land.

  • Employee

    Awareness training and MFA so your team is the strongest link.

  • Organisation

    Firewalls, monitoring and GDPR/FCA-aligned controls company-wide.

Let us handle your IT security needs.

Speak to our team

Industries

Industries We Support

Sereno delivers fully managed IT support tailored to each industry's needs. Our proactive approach ensures fast, reliable service across London, with local emergency on-site visits available when needed to keep your business running smoothly and give you complete peace of mind.

IT support across London

Frequently Asked Questions

If your business relies on technology in daily operations, partnering with an IT support service provider is crucial, especially if you don't run an in-house IT department. An IT support partner takes on all your technology needs, saving your employees time and stress. IT support teams resolve IT problems, set up and update software, monitor network performance, provide user training, handle data backups and recovery, and more.

At Sereno, we take a thorough approach to data security, combining strong protections like encryption and firewalls with ongoing monitoring, regular checks, and timely updates. We also help ensure that your security setup complies with applicable regulations, such as GDPR and FCA.

Yes, our Mayfair IT support includes assistance with transitioning your team to remote work or back to the office. We assess your current environment and identify what your team needs to work efficiently from the new setup. We cover everything, including setting up secure remote access, configuring VPNs, making sure files and applications are easy to reach, and more. Our team also offers staff training and stays available to fix any issues. Contact our service desk to find out how we can help.

At Sereno, we follow a tried-and-true procedure to make your switch smooth and with minimal disruption.

  • Our onboarding process takes 30 days, designed to ensure zero downtime, no disruption, and a seamless handover — we don’t rush it, because we know continuity is critical.
  • You’ll have a dedicated onboarding engineer as your single point of contact, keeping you updated throughout.
  • We follow a 6-stage transition plan, clearly outlining what’s needed from you at each step.
  • We’ll visit your office to take photos, map out your network, double-check data, and get to know how your team works — so we can fix any underlying issues from day one.
  • We’ll agree on core processes (like onboarding new staff or managing leavers) and create custom buttons in your Partner Portal to make these requests quick and hassle-free.
  • In the first two weeks, we run a Technology Assessment Review to spot any risks and find improvement opportunities early on.
  • We also run in-person or online training sessions to make sure your team feels confident using our support.
  • Finally, we’ll sit down with you to understand your business goals and build a tailored IT Road Map to help you get there.

Keep reading

What's Next For You?

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Let's talk

Any questions?

Question not answered yet? Whether it's about our pricing, services or processes — we're here to answer any question you might have. Just drop us a line or book your 1-1 discovery call to connect at your preferred time.

What we'll cover on the call

  • How IT is handled across your Mayfair team today, and where it creates friction
  • Response times and on-site cover, what local support really means for a Mayfair business
  • Security, compliance (GDPR/FCA) and where your risks currently stand
  • Whether your current setup supports or slows your growth
  • Clear, actionable next steps you can use straight away

We'll get back to you within 60 minutes during business hours.

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