From the shore of Data Center to the open water of Microsoft 365 Cloud

39Knots plans and carries out the data and Microsoft 365 side of digital transformation, mergers, acquisitions and divestitures - consolidating or separating tenants, SharePoint and Network Shares into one governed environment. The standard we plan against: no data loss, legally compliant migration (data in transit, data at rest), no unplanned downtime and a full audit trail.

Legacy Data StructureNetwork Shares · SharePoint Servers · Tenants Governed Microsoft 365Teams · SharePoint Online · OneDrive
01

We know the water

Twenty five years in enterprise IT and hands-on SharePoint experience going back to its earliest releases mean we've already seen the failure modes - broken permissions, orphaned metadata, half-synced document libraries - before they happen to you.

02

You keep command

Your board, counsel and risk owners stay in control of the timeline, the risk decisions and the final sign-off. We plan the route, run the crossing and hand over documented, governed data with a migration log that stands up to review - nothing surprises your IT team during the process or afterwards.

For law firms, advisors and consultancies

You advise on the deal. When your client asks who will physically and securely move the data, 39Knots is the specialist you can name.

01

An answer to the client's IT question

Transaction counsel and advisors rarely have in-house migration engineers. We take over the technical execution of the data and Microsoft 365 workstream, so your team can stay focused on the deal itself.

02

Clear division of responsibility

You advise, we execute. Scope, change control, acceptance criteria and sign-off are defined in writing before the work starts, so everyone knows who is accountable for what.

03

Confidentiality by design

Deal data is sensitive. We work under NDA, within the client's own tenants and security rules, with least-privilege access and a migration log that documents what moved, when and by whom.

04

One accountable lead, any time zone

A dedicated project manager coordinates stakeholders, vendors and local IT teams across countries and time zones, and reports to you and to the client in the same, plain language.

Why is it better to choose 39Knots?

We are your choice if You are looking for a Partner. 25 years in enterprise IT, 10 years focused on working exclusively for carrying out data migrations for companies with a global reach spanning over 93 countries worldwide.

When your clients undergo a multi-billion dollar merger, data migration is their biggest operational risk. We provide full-fidelity migration with full data lineage and an audit-ready migration log for your peace of mind. After a merger, acquisition or carve-out, the data and collaboration platforms of two (or more) organizations have to start working as one - or be separated cleanly - while the business keeps running and regulators, auditors are watching. We take care of the technical side and our part of risk management. We provide inventory of all of the environments, Microsoft 365 tenant consolidation or separation, merging file servers and SharePoint into one governed structure, mapping of users and groups between domains, and secure cross-tenant collaboration. Duplicated systems are then retired, so the synergies promised in the deal are not lost in a chaotic IT reorganization. We work within your own compliance framework - confidentiality, data residency and sector regulation - and give you a migration log you can show to auditors.

We are Laser-Focused Experts: We only do one thing - complex, large-scale Microsoft 365 / M&A data migrations. We are senior-level professionals who design the end-to-end strategy, governance, and technical frameworks for the digital transition. Our specialty is focused on moving legacy data, network shares, SharePoint Servers into modern Microsoft 365 (SharePoint, OneDrive, and Teams). We offer Senior-Only Craftsmanship: The expert who audits the data is the same one running the migration. We know how to handle constantly changing data during migration. We work within your own compliance framework - confidentiality, data residency and sector regulation - and give you a migration log you can show to auditors.

We offer Immediate Mobilization: Fast scoping calls, rapid contract alignment, and zero corporate overhead. We realize how important this is to you, as we have already encountered clients who were tired of working with big companies, weeks of bureaucracy, legal red tape, and internal approvals for every subtask.

We offer Adaptive Mastery: 25 years of knowing the failure modes (orphaned documents with distorted metadata, broken permissions, partially synced document libraries, too long paths, forgotten checked-out files, wrongly migrated customizations between SharePoint versions) before they happen. We know how to restructure into governed collaboration based on cloud storage, with ownership, permissions and security logic that reflect how the business actually works today (not a 15-30 years ago). We don't focus on rigid, textbook frameworks, automation scripts. Because if something goes wrong outside the script, other companies charge heavily for "change requests" and we try to avoid them.

Every engagement starts with a professional inventory of what's actually being used and stored - not an assumption about what should be there and where. We conduct a professional analysis of your SharePoint environments and globally distributed corporate documents, identifying a complete list of existing SharePoint servers, File servers, real complexity of data, retired or deprecated legacy features, custom solutions, all bottlenecks, potential risks that can impact migration. For every risk, we immediately present a solution. We analyze file structures and develop migration plans for each data source individually. We help you identify the current business owners of specific datasets, enabling responsibility to be assigned-even for data dating back 30 years-within the current organizational structure. We are experts in this field and do not shy away from the challenges posed by structures created by individuals who have long since retired. We flag legal, security and continuity risks before anything moves.

Our team includes an experienced and battle-tested Project Manager, who knows how to manage complex stakeholder relationships during multi-stage implementations and global data migrations spanning 93 countries, different continents, different cultures and different time zones. This saves time and money while completely eliminating your stress. We handle everything from start to finish, providing regular transparent progress updates.

Bridging the gap between business needs and technical execution. Business process optimization, requirement gathering, and translating old workflows into modern Power Automate clouds. Directly replacing old SharePoint workflows (2010/2013/Designer) with modern solutions. Hands-on building of Power Apps, complex Power Automate flows, and migrating data.

How we work

Every migration follows the same five stages, from the first audit of existing estates to the final handover.

  1. 01

    Audit

    We inventory every tenant, file server, mail server, every data source, we find the data owners, target locations and we flag legal, security and continuity risks before anything moves.

  2. 02

    Plan

    A migration plan for each data source: target structure, permissions, timeline, cross-tenant access, and a mitigation for every risk - agreed with your risk owners.

  3. 03

    Pilot

    A small, representative batch moves first as a Proof of Concept, so structure, permissions and user experience and entire process are proven before scale.

  4. 04

    Migration

    Data moves in controlled waves while all entities keep working, every completed migration gets hypercare time with assigned responsible person, during entire process there is available an audit-ready migration log you can follow.

  5. 05

    Handover

    We support both Adoption & Implementation Teams to ensure a smooth transition from legacy solutions to modern ones. Documentation, a governance model and practical training, so the new structure holds up after we leave.

Closing checklist

Services

We are your choice if You are looking for a Partner. 25 years in enterprise IT, 10 years focused on working exclusively for carrying out data migrations for companies with a global reach spanning over 93 countries worldwide.

Personal and departmental file shares restructured into governed collaboration based on cloud storage, with ownership, permissions and security logic that reflect how the business actually works today (not 5, 10 or 15-30 years ago).

Migration to the M365 Cloud (SharePoint Online and Teams or OneDrive) while providing new model for Collaboration including Information Architecture, Target structure and migration of company documents, custom lists, permissions, and managed metadata-including the redevelopment of tools and business processes to align with the "Modern Solutions" approach, ensuring long-term viability and compliance with current Microsoft best practices. Including the developed Business Processes that make a straight lift-and-shift risky.

Migration to the on-premises environment (SharePoint Subscription) while preserving the full functionality and structure of sites, company documents, custom lists, permissions, and managed metadata-including the redevelopment of tools and business processes to align with the "Modern Solutions" approach, ensuring long-term viability and compliance with current Microsoft best practices. Including redevelopment of tools supporting Critical Business Processes that make a straight lift-and-shift risky.

Full-fidelity migration of Company Data from one Tenant to another - including mapping of Employees between domains. Copy users and groups from Entra ID. Exchange Online migration of mailboxes, whether you're managing 50 mailboxes or 5,000. No manual cleanup. No post-cutover calls about missing meetings or broken rules.

Setting up secure collaboration between different M365 tenants. Secure sharing of documents with external companies. B2B Collaboration, B2B Direct Connect, Cross-Tenant Synchronization.

We conduct a professional audit of existing file servers and identify data owners in alignment with the current organizational structure. We manage the business-led document review process-covering deduplication, archiving, data organization, and migration prior to decommissioning old servers-so you avoid the risk of losing data. So you're not paying to migrate twenty-year-old orphaned data.

We have the experience to reorganize cloud data storage in a way that reduces costs, and we translate this expertise into audits and corrective actions. We know how to generate significant savings.

Information Architecture, Permission models, retention policies and practical training so the new structure holds up after we leave.

25 Yearsworking for Enterprise IT implementing modern solutions that optimize business processes and reduce financial burden
22 Yearsfocused on modernizing Collaboration, Business Processes Optimization & Data Migration
Dozensof successful, completed projects without any impact on Business Continuity
10 Yearsworking for Global Giants from financial & manufacturing sectors migrating data from more than 93 Countries

Meet the founder

Artur Maroszek, founder of 39Knots and SharePoint migration expert

Artur Maroszek

Founder, 39Knots
Getting hired is the easy part. Keeping a client's trust through a migration that touches every file they own - that's earned one clean crossing at a time.

Artur has spent twenty five years in enterprise IT, starting as one of the first people anywhere to work hands-on with SharePoint before Microsoft named it that way. That early work grew into a specialty in Intranets, Process Automation and, eventually, Data Migration - a field he's now spent 10 years focused on working exclusively for carrying out data migrations for companies with a global reach spanning over 93 countries worldwide. Over that time, financial and manufacturing global giants have trusted him to move their most valuable data. 39Knots is where that experience becomes a dedicated practice.

Planning a digital transformation, merger, acquisition or carve-out?

A thirty-minute call is usually enough to tell what the data side of the deal involves - and how early it should start. No obligation, no sales script. We treat every conversation as if an NDA had already been signed long ago.

Request a scoping call or email hello@39knots.co