Reseller friendly

office 365

Giving you complete control of your clients...

Earn up to £40,000 with Microsoft CSP Power Up click here

Office 365 via MessageStream Cloud Marketplace

More than 1 billion people use Microsoft Office products, including your suppliers, customers and partners. As a MessageStream partner, you can purchase Office 365 licences at an exclusive discount below Microsoft's retail price and without any complicated commission structures - increasing your margins and allowing greater profits.

Office 365 gives MessageStream partners the opportunity to generate consistent, predictable revenue while giving their clients a service tailored to their needs. By reselling Office 365 through the MessageStream Cloud Marketplace you’ll still receive the same great service that our partners know and love, including month-by-month billing and free UK technical and marketing support.

  • Manage all your clients from one single place
  • End of month billing
  • One invoice per month for all your clients
  • UK based customer and support team

Call us now on 0333 332 0888 to speak to our technical sales team.

5 stars TrustPilot
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Official Microsoft 2-Tier CSP

Giacom is proud to be one of the original six companies in Europe chosen to provide official Microsoft products to resellers and awarded Microsoft 2-Tier Cloud Solution Provider (CSP) status.

Giacom was also named as Microsoft’s Best New Partner at the 2015 Global Cloud Summit in Prague. The award recognises the exceptional service, growth and expertise as a leading Hosted services provider Giacom has achieved since our founding in 1999, and since becoming a 2-Tier Cloud Solution Provider in 2015. Microsoft continued to recognise our achievements in 2016 as a finalist for the UK Country Partner of the Year award.


Get in touch with us

To speak with our technical sales expert Daniel, you can call him on...

0333 332 0888
5 stars Client testimonials
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  • N Bell

    “ Best Hosted Exchange... ”

    We got a direct mail shot from MessageStream. When I compared their offer with our exisiting supplier I couldn't believe it. We have now transferred all our hosted services to them...

    Nick Bell - Net.Result

  • D Burford

    “ Best switch I ever made ”

    Not only do our clients now have access to the latest Exchange software, they also enjoy greater storage space, and at a better price then before.

    Daniel Burford - Linten Technologies

  • G Sayers

    “ Halved our costs ”

    We migrated from another hosted provider and as well as halving our costs, we are getting significantly better service and support.

    Gordon Sayers - SortMyPC


Packages to suit you and your clients

Office 365 is available in a number of packages within the MessageStream Cloud Marketplace.

office 365 Office 365 Business Essentials

Get work done anywhere

Work across your devices to create, edit, and share your Word, PowerPoint, Excel, and OneNote files online. Anytime, anywhere.

Easy setup and management

With step-by-step guidance, you can set up users easily and start using the services fast.

Click here to view a detailed comparison.

office 365 Office 365 Business

Your Office anywhere

With Office 365 Business, familiar tools like Word, Excel, PowerPoint, and Outlook are available where and when you need them and no matter which device you’re using—PC, Mac, tablet or phone.

Collaboration simplified

Since your files are stored online, you can share them with anyone, even co-author, in real time. No matter where you are. Office applications are always the latest version too.

Click here to view a detailed comparison.

office 365 Office 365 Business Premium

Office across your devices

Always have the latest versions of your familiar Office applications, no matter which device you’re using—PC/Mac, tablet, or phone.

Simplify how you work together

Store, sync, and share your files online so they’re always up to date. Plus, you can edit documents with others in real time.

Click here to view a detailed comparison.

office 365 Office 365 Enterprise E1

Empower your teams

Help your teams accomplish more, faster with simple file sharing, real-time co-authoring, and online meetings—all accessible anywhere.

Tailor your services

Get exactly the services you want. Combine Office 365 with your existing investments and mix and match services for different users.

Click here to view a detailed comparison.

office 365 Office 365 Pro Plus

Enhanced security and compliance tools

Get the tools to make it easier to ensure communications are more secure and within compliance policies.

Deploy the way you want

Deploy on-premises with your own tools or with assistance from the Office 365 online service, and get a smooth upgrade.

Click here to view a detailed comparison.

office 365 Office 365 Enterprise E3

Compliance simplified

Archive, use in-place legal hold, and find the documents you need fast. Advanced data protection helps keep your data safe.

Advanced IT controls

Give your IT flexibility and control while reducing IT costs. Move to the cloud on your terms, manage easily, and automate tasks.

Click here to view a detailed comparison.

office 365 Office 365 Enterprise E5

Enhanced security and analysis for your data

Gain access to advanced security upgrades with Advanced Threat Protection to safeguard your systems and bring forth deeper analytical insights through MyAnalytics and Power BI Pro.

Complete access to PSTN Conferencing and Cloud PBX

Discover dial-in conferencing for business meetings on the move for greater agility when connecting through a landline or mobile phone, or swap your traditional phone system to Cloud PBX.

Click here to view a detailed comparison.

office 365 Office 365 SharePoint Online

Easy to manage

You can get set up in virtually no time! The powerful admin console allows you to easily manage capabilities, policies, and security for all the content and features within SharePoint. Automated maintenance of the servers ensures that you are always up to date with the latest features with minimal downtime.

Enterprise grade reliability and standards

Safeguard your data by hosting it in geographically distributed datacentres with premier disaster recovery capabilities and a team of experts monitoring the servers around the clock.

Click here to view a detailed comparison.

office 365 Office 365 Skype for Business

Reduce cost and complexity with one solution

Skype for Business will work with most communications technology, so you can still make and receive calls on PBX phones and join meetings with video teleconferencing systems. You’ll also reduce the cost of supporting multiple services by upgrading to one solution that includes everything—voice, video, and online meetings.

Help keep info safe and manage accounts easily

Conversations are protected by authentication and encryption. You manage client’s accounts so you can add or remove subscriptions and assign features based on people’s collaboration needs.

Click here to view a detailed comparison.

office 365 Other packages available

Other Office 365 packages

  • Azure Active Directory Basic
  • Azure Active Directory Premium
  • Azure Rights Management
  • OneDrive for Business
  • Project Online Essentials
  • Project Online Professional
  • Project Online Premium
  • Visio Pro with Office 365
  • Yammer Enterprise
  • Microsoft Intune
  • Microsoft Intune Extra Storage
  • Enterprise Mobility + Security

Frequently asked questions

acronis logo How long does it take to get set up?

Office 365

Once you join MessageStream, Office 365 licences can be provisioned directly from our Cloud Marketplace and can be ready for download within minutes.

acronis logo Will my Microsoft competencies be affected?

No – all orders will be assigned to your MPN number and you will remain the sole partner of record.

acronis logo My clients already have an existing Office 365 account...

If you have Office 365 customers in other Microsoft reseller programs, such as Open and Advisor, we can offer you a smooth transfer with no downtime thanks to our multi-channel feature. This means that you can migrate your clients across with no need to create a new tenant or do a full migration for each conversion.

acronis logo What version of Office will I receive?

Office 365 is a subscription based service and as such the latest versions of each app will be ready to download as soon as it is available for as long as your client’s subscription is valid.

acronis logo How many users does Office 365 support?

Office 365 Enterprise plans fit organisations ranging in size from a single employee to 50,000-plus users.

  • Office 365 Business plans are best for companies with one to 300 users
  • Office 365 Enterprise plans fit organizations ranging in size from a single employee to 50,000-plus users.
acronis logo What devices can install Office?
  • Office for Android – Running version KitKat 4.4 or later
  • Office for iPad and iPhone – Running version iOS 8.0 or later
  • Office for iPad Pro – Running version iOS 9.0 or later
  • Office for Windows tablet – Running Windows 8 or later
  • Office for Windows phone – Running Windows 10
acronis logo What mobile apps are available for Office?

Word, Excel, PowerPoint, Outlook, OneNote, Skype and Skype for Business, OneDrive, Yammer and Delve are available as apps on all devices listed above. An Office 365 subscription will give you access to premium features available on these apps.

Outlook Web Access is also available on Android, iOS and Windows.

To find out more about what Office 365 can do for your clients, call us now on 0333 332 0888 to speak to our technical sales team or click here to send us a message.

We pride ourselves on providing exceptional customer service to all of our MessageStream partners, regardless of their size or scope. We regularly achieve 5 star TrustPilot reviews and are ranked amongst the top UK companies for cloud computing.

5 stars Client testimonials
Read more
  • C Potts

    " huge impact on our business. "

    Hosted Exchange has had a huge positive financial impact on our business and I would advise any IT support company to start reselling the service today...

    Chris Potts - ITC Service Limited

  • S Lone

    " Excellent service with matching support "

    Simple, affordable and solid service. But it's the support that takes the cake. Very efficient. Keep marching!

    Salman Lone - TekOne

  • M Barton

    " First class service, first class support "

    Can't fault these guys, everything about their service is spot on and gives me great confidence in reselling a product to my clients that just works!

    Matthew Barton - Ostrich IT


Let's get started...

Joining MessageStream is easy - simply fill out the form below and one of our account managers will contact you to complete the process. Or if you would rather call us, our telephone number is 0333 332 0888.

You can also email us directly at