The right acquisition target is probably not looking to be acquired right now. That is exactly who we find.
With 600,000 companies across every major market in our database, AI enrichment, and automated research infrastructure, we give you complete global market coverage. You tell us your acquisition thesis, sector, and geography. We map the full universe of relevant targets worldwide, including the ones that are not yet in play.
Built for buyers with a serious acquisition agenda.
Whether you are acquiring for the first time or executing a long-term acquisition strategy, we bring the same depth of research, the same direct access to Marcin and Filip, and the same commitment to finding the right target, not just any target.
Corporates
You are expanding your product range, entering a new market, or consolidating a fragmented sector. You need targets that fit your strategic roadmap precisely, not a list of companies that happen to be for sale. We map the full competitive landscape and identify the acquisitions that would move the needle.
Serial Acquirers
You have a clear acquisition thesis and are looking for a steady pipeline of targets that meet your criteria. We build a continuously updated shortlist, prioritised by strategic fit, ownership structure, and openness to a conversation.
PE Funds
You need platform investments or add-ons for existing portfolio companies. We filter by sector thesis, current deployment cycle, and ownership structure to surface targets that fit your investment criteria, not just your sector.
Family Offices
You are often doing this without a large internal M&A team. We provide the full infrastructure: research, outreach, evaluation, negotiation, and closing support. The level of involvement you want from us is the level you get.
600,000 companies globally. We find the ones right for you.
The database is the starting point, not the finish line. The real work is understanding your thesis precisely enough to filter 600,000 companies down to the ones genuinely worth approaching. Depending on your mandate, that shortlist might be 20 targets or several hundred. We enrich every record with AI, automate the research workflows, and generate fresh analysis on demand for any sector or geography. What you get is not a static contact list. It is a living system built around your acquisition strategy.
Beyond our proprietary database, we have access to deals being actively marketed by hundreds of M&A advisors globally, as well as specialist databases that track M&A rumours and early-stage deal activity. That means complete market coverage: off-market companies, actively marketed processes, and everything in between.
How we go from 600,000 to your shortlist
We do not blast your name across the market. We identify the right targets for your thesis, whether that is 25 or 250, approach them in a sequence designed to build momentum, and bring you into the conversation at the right moment.
Thesis mapping
We start by understanding your acquisition criteria in depth: sector, sub-sector, size, target geography, ownership structure, and business profile. Geography is never a constraint. Only then do we run the database.
AI-powered filtering
Our AI engine cross-references your criteria against 600,000 companies, enriching each record with financial data, ownership signals, and indicators of likely openness to a conversation.
Qualification & prioritisation
We score each candidate against your specific thesis, producing a prioritised shortlist ranked by strategic fit and likelihood of a productive first conversation. The size of that list depends on your mandate: a focused search may yield 20 to 30 names; a broader one can run into the hundreds.
Approach strategy
We determine the right person to contact, the right message, and the right timing for each target. Many of the best acquisition candidates are not formally for sale. Getting the first conversation right is everything.
How our AI evaluates every target
Every company in our database is assessed by our AI engine across four dimensions before it reaches your shortlist. This is not keyword matching. It is structured qualification at scale.
Business model fit
We classify each company by business model: software, IT services, business services, reseller, MSP, and others. Your search is filtered to exactly the model types that match your thesis.
Service and technology focus
We map each target’s primary and secondary categories, vertical focus, deployment model, and technology stack. Only companies that match your priority areas reach the shortlist.
Customer base fit
We assess target customer segments, company size focus, and B2B versus B2C orientation. A technically strong company selling to the wrong customer segment is screened out early.
Ownership and exit readiness
We track founder names, estimated founder age, VC funding history, and prior M&A activity. A founder-owned business with an older founder and no institutional backing looks very different from a PE-owned platform. We filter accordingly.
Powered by AI-driven research, automated enrichment pipelines, and proprietary scoring models built in-house.
The Aventis Buy-Side Process: Thorough research, disciplined approach, closed with conviction
Closing a great acquisition requires more than finding a target. It requires approaching them the right way, evaluating them rigorously, negotiating terms that hold, and managing due diligence without letting value erode. We run every step of that process, directly.
Target Mapping & Research
We map every relevant company globally against your acquisition thesis, drawing on our 600,000-company database, AI enrichment, and on-demand research capability for any sector or geography. You start with a complete picture of the worldwide market, not a partial one shaped by where we happen to have existing contacts.
Qualification & Evaluation
We go beyond headline numbers. We assess ownership structure, management depth, technology, customer concentration, and strategic fit. We tell you which targets are worth pursuing and which to avoid before you spend time on them.
Approach & First Conversations
Many of the best targets are not for sale and have never been approached. We design the outreach strategy for each one, determine the right entry point and the right person to contact, and build the relationship that turns a cold introduction into a genuine conversation. Getting this right requires experience and judgment. We have accumulated both.
LOI Negotiation
We negotiate on your behalf with a clear understanding of what the seller wants and what you need. We push for terms that protect your interests from day one through to closing: price, structure, conditions, exclusivity, and the representations that matter when things get complicated.
Due Diligence & Closing
We coordinate the full diligence process, manage advisors and workstreams, flag issues early, and push back when sellers try to adjust terms post-LOI. We stay in the room until the deal is done.
Discuss your acquisition thesis
Share your criteria and we will give you an honest view of what the market looks like, how many relevant targets exist, and what a realistic timeline looks like. No obligation, complete confidentiality.
Schedule a Discovery CallWhat buy-side advisory with Aventis actually looks like
Most M&A boutiques treat buy-side as a secondary service. We have built dedicated infrastructure for it: a 600,000-company database, AI enrichment, automated research workflows, and a team that has closed buy-side deals across a wide range of sectors globally. Our goal is not to broker a deal. It is to help you select the right one, and to make sure it actually strengthens your business. Here is what that means in practice.
Marcin Majewski
Founder, Managing Partner
Filip Drazdou
M&A Director
Global coverage, built for your mandate
Our 600,000-company database spans every major market globally and is AI-enriched and continuously updated. Need coverage of a niche sector in a country you have never operated in? We build it on demand. Your acquisition thesis is not limited by our existing geography, and neither is our research.
We find targets before they come to market
Most of the best acquisitions happen before a company is marketed or even thinking of selling. We identify companies that would consider the right conversation at the right moment, approach them without triggering a defensive response, and build the relationship that leads to a deal. That requires experience, judgment, and the right entry point.
We want you to thrive, not just to close
Our goal is not to complete a transaction. It is to help you select the right one. An acquisition that does not strengthen your business is not a success, regardless of how it was priced. We will tell you honestly when a target does not fit your strategy, when the timing is wrong, or when a better opportunity is worth waiting for. We are incentivised to close well, not to close fast.
Marcin and Filip, start to finish
There is no handoff to a junior team after the pitch. You work with the same people who designed the research, ran the outreach, and built the seller relationships. That continuity matters in buy-side work, where your read of the situation needs to stay consistent from first conversation to closing.
Trusted by buyers who keep coming back
“We have been working with Aventis since 2015 and went through several deals buying, selling, and investing in new projects. We value their creativity and network. Most important is the fact that they take the time to thoroughly understand and pay close attention to our goals.”
A Selection of Completed Buy-Side Transactions
We have successfully sourced and closed acquisitions for corporate buyers, serial acquirers, and financial investors across a range of sectors globally.
Questions we actually get asked
Tell us what you are looking for.
Share your acquisition thesis, sector, size range, and geography. We will give you an honest view of what the market looks like, how many targets exist, and whether this is the right move for your business right now. Sometimes the most valuable thing we can tell you is that a particular thesis is harder than it looks, or that a different target would serve you better. No obligation, complete confidentiality.
Book a Confidential ConsultationWe work with a limited number of buy-side clients at any one time. If we are not the right fit, we will tell you that too.
