What Are Synergies — and Why Do They Matter in Business Acquisitions?
When you buy a business, you’re not just buying its current cash flow. You’re buying the potential to create additional value by combining the acquired business with your existing operations, skills, or resources. This additional value is called synergy.
Synergies are the reason acquirers often pay a premium above a business’s standalone value. The logic is simple: if Business A generates $500K in annual profit and Business B generates $300K, but together they can generate $900K (through cost savings, revenue growth, or operational efficiencies), then the $100K in synergy value justifies paying more than $300K for Business B.
The problem? Most buyers overestimate synergies, underestimate the difficulty of capturing them, and end up destroying value instead of creating it. Studies consistently show that 50%–70% of acquisitions fail to deliver their projected synergies. In the small business world, the failure rate may be even higher because owners lack the integration resources and experience of larger companies.
This guide will help you understand synergies realistically, plan for them before closing, and actually capture them after you take ownership.
The Three Types of Synergies
1. Cost Synergies (The Most Reliable)
Cost synergies come from eliminating redundancies and achieving economies of scale when you combine two businesses. Common examples include:
- Duplicate overhead elimination: Two businesses may each have their own bookkeeper, office manager, or HR function. After acquisition, one person can serve both.
- Facility consolidation: If both businesses operate from separate locations, consolidating into one can save rent, utilities, and maintenance costs.
- Purchasing power: A larger combined entity can negotiate better pricing from vendors, suppliers, and service providers.
- Insurance savings: Combining policies or qualifying for volume discounts on workers’ comp, health insurance, or general liability.
- Technology consolidation: Eliminating duplicate software subscriptions, phone systems, or IT infrastructure.
- Marketing efficiencies: Sharing marketing costs, cross-promoting to combined customer bases, or consolidating advertising spend for better rates.
Cost synergies are the most predictable and reliable type of synergy because they’re based on eliminating known expenses. You can quantify them with reasonable precision before closing.
2. Revenue Synergies (The Most Attractive — and Most Elusive)
Revenue synergies come from growing the combined business’s top line beyond what either business could achieve alone:
- Cross-selling: Offering the acquired business’s products or services to your existing customer base, and vice versa.
- Geographic expansion: Using the acquired business’s location or distribution to reach new markets.
- Product line expansion: Combining complementary product lines to offer a more complete solution to customers.
- Pricing power: A larger, more established business may be able to command higher prices due to enhanced reputation or reduced competition.
- New capabilities: The acquired business may bring skills, technology, or certifications that allow you to pursue opportunities you couldn’t before.
Revenue synergies are attractive but unreliable. They depend on customer behavior, market conditions, and execution — all of which are uncertain. Never pay a premium based primarily on revenue synergy assumptions.
3. Operational Synergies (The Hidden Value)
Operational synergies come from improving how work gets done across the combined organization:
- Best practice transfer: One business may have better processes, systems, or methods that can be adopted by the other.
- Talent optimization: The combined business may have a deeper talent pool, allowing better role-matching and reduced reliance on any single person.
- Capacity utilization: Equipment, facilities, or personnel that are underutilized in one business can serve the combined entity.
- Supply chain improvements: Consolidating purchasing, logistics, or inventory management for greater efficiency.
- Knowledge transfer: Technical expertise, industry relationships, or institutional knowledge from the acquired business can benefit the whole organization.
Operational synergies are real but often take 12–24 months to fully realize because they require process changes, cultural alignment, and management attention.
Why Most Buyers Overestimate Synergies
If synergies are real, why do most acquirers fail to capture them? Several factors contribute:
Optimism Bias
Buyers fall in love with deals. Once you’ve identified a target, spent time on due diligence, and envisioned the future, it’s psychologically difficult to be conservative about projected benefits. You want the numbers to work, so you unconsciously inflate synergy estimates.
Double-Counting
Some projected synergies overlap. For example, you might count “marketing efficiencies” and “customer cross-selling” as separate synergies, but they may both depend on the same marketing investment. Rigorous synergy analysis eliminates double-counting by mapping each benefit to specific, independent actions.
Ignoring Integration Costs
Every synergy has a cost to capture. Consolidating facilities requires moving expenses. Eliminating duplicate staff may require severance payments. Integrating technology systems requires IT investment and employee retraining. If you project $200K in annual synergies but ignore the $150K in one-time integration costs, your actual year-one benefit is only $50K.
Underestimating Timeline
Synergies rarely materialize on Day 1. Most take 6–18 months to fully capture, and some take longer. If your financial projections assume full synergy realization in the first year, you’re setting yourself up for disappointment — and potentially cash flow problems.
Cultural Resistance
People resist change. Employees of the acquired business may resist new processes, reporting structures, or cultural norms. Customers may resist changes to the products or services they’re used to. This resistance creates friction that slows synergy capture and, in some cases, prevents it entirely.
Creating a Realistic Synergy Plan Before Closing
The best time to plan for synergy capture is before you close the deal — ideally during due diligence. Here’s how:
Step 1: Identify and Categorize Potential Synergies
Create a comprehensive list of every potential synergy, categorized as cost, revenue, or operational. For each one, document:
- What the synergy is (specific description)
- Estimated annual value (be conservative)
- One-time costs to capture it
- Timeline to realization (months)
- Confidence level (high, medium, low)
- Dependencies (what has to happen for this synergy to materialize)
Step 2: Apply a Reality Discount
Take your total projected synergies and discount them based on confidence level:
- High confidence synergies (e.g., eliminating a duplicate lease): Discount 10%–20%
- Medium confidence synergies (e.g., vendor renegotiation): Discount 30%–50%
- Low confidence synergies (e.g., cross-selling revenue growth): Discount 50%–75%
This discounted total is your realistic synergy estimate. Use this number — not the optimistic total — when evaluating whether the deal makes financial sense at the proposed price.
Step 3: Build a 100-Day Integration Plan
Before closing, create a detailed plan for the first 100 days of ownership. This plan should include:
- Specific synergy capture actions with assigned owners and deadlines
- Communication plan for employees, customers, and vendors
- Key decisions that need to be made in the first week, first month, and first quarter
- Quick wins that can be captured immediately (Day 1–30)
- Medium-term initiatives (Day 30–100)
- Longer-term projects to plan now but execute later
Step 4: Don’t Let Synergies Drive the Purchase Price
This is the most important rule: the purchase price should be justified by the business’s standalone value. Synergies are upside. If you pay for synergies upfront and then fail to capture them, you’ve overpaid for the business. This is especially important in SBA acquisitions, where lenders evaluate the deal based on the business’s historical cash flow — not your projected synergies.
Tracking and Measuring Synergy Realization Post-Close
A synergy plan without measurement is just a wish list. After closing, implement a disciplined tracking process:
Establish Baseline Metrics
Before you can measure improvement, you need to know where you started. Establish clear baselines for:
- Combined revenue (by product line, customer segment, and location)
- Combined operating expenses (by category)
- Headcount and labor costs
- Gross margin and operating margin
- Key operational metrics (productivity, capacity utilization, customer retention)
Monthly Synergy Reviews
For the first 12 months post-close, conduct monthly reviews of synergy capture progress:
- Which synergies have been captured? What’s the actual dollar value versus projection?
- Which synergies are on track but not yet realized?
- Which synergies are at risk? What’s blocking them?
- Are there new synergy opportunities that weren’t identified pre-close?
- What integration costs have been incurred versus budget?
Adjust and Adapt
No synergy plan survives contact with reality unchanged. Be prepared to adjust timelines, revise estimates, and pivot when certain synergies prove harder (or easier) to capture than expected. The key is staying disciplined and honest about what’s working and what isn’t.
Common Synergy Traps That Destroy Value
Avoid these common mistakes that turn synergy potential into value destruction:
Trap 1: Cutting Too Deep, Too Fast
In the rush to capture cost synergies, some buyers cut expenses that are actually essential to the business’s performance. Eliminating the “redundant” customer service rep who actually maintained key client relationships, or cutting the marketing budget that was driving lead generation, can destroy revenue far faster than the cost savings accumulate.
Solution: Understand why each cost exists before cutting it. Talk to employees and customers. Cut cautiously in the first 90 days while you learn the business.
Trap 2: Neglecting the Core Business
Integration is time-consuming. If you spend all your energy on synergy capture and neglect the day-to-day operations of both businesses, performance will decline. Revenue loss from neglect can easily exceed synergy gains.
Solution: Delegate integration tasks where possible. Prioritize synergies by impact and feasibility — you don’t have to do everything at once. Keep your eye on the core metrics that drive cash flow.
Trap 3: Forcing Cultural Integration
Every business has its own culture, norms, and way of doing things. Trying to immediately impose your culture on the acquired business alienates employees, increases turnover, and disrupts operations.
Solution: Move slowly on cultural integration. Listen before you change. Identify what’s working in the acquired business’s culture and preserve it. Focus on shared values and goals rather than uniform procedures.
Trap 4: Ignoring Customer Impact
Changes that make sense internally — consolidating locations, changing product lines, raising prices, rebranding — can alienate the acquired business’s customers. Customer retention should be your top priority in the first year.
Solution: Communicate proactively with the acquired business’s customers. Reassure them about continuity. Avoid price increases, service reductions, or major changes in the first 6–12 months unless absolutely necessary.
Trap 5: Synergy Tunnel Vision
Focusing exclusively on pre-identified synergies can cause you to miss better opportunities — or overlook emerging problems. Stay open to new information and be willing to adjust your integration priorities.
Solution: Build flexibility into your integration plan. Hold regular strategy sessions that look beyond the synergy checklist. Encourage employees from both businesses to surface opportunities and concerns.
How GoSBA Helps You Plan for Post-Acquisition Success
At GoSBA, we don’t just help you get a loan — we help you set up the acquisition for long-term success. Here’s how:
- Free business plan and financial projections (a $2,500–$5,000 value): Our team builds detailed financial projections for your acquisition that include realistic assumptions about synergies, integration costs, and cash flow. This rigorous analysis helps you avoid overpaying and plan for post-acquisition performance.
- 50+ lender network: Different lenders evaluate synergies differently. Some give credit for identified cost savings; others don’t. We match you with lenders whose underwriting approach aligns with your deal’s characteristics.
- $320M+ funded in 2025: Our experience across hundreds of acquisitions gives us insight into what works post-close and what doesn’t. We’ve seen synergy plans succeed and fail — and we share those lessons with our clients.
- Completely free service: GoSBA’s loan brokerage is free to borrowers. Our lenders compensate us, so you get expert guidance without adding to your acquisition costs.
- Deal structuring expertise: We help structure deals that give you financial breathing room to execute your integration plan — including appropriate working capital reserves, realistic debt service coverage, and seller transition support.
The Bottom Line: Synergies Are Earned, Not Assumed
Synergies are real, but they don’t happen automatically. They require careful planning, disciplined execution, and honest measurement. The most successful acquirers are the ones who plan conservatively, execute patiently, and track relentlessly.
Don’t pay for synergies you haven’t captured yet. Don’t cut costs before you understand the business. And don’t assume that combining two businesses will automatically create more value than they produce separately.
Planning a business acquisition? Contact GoSBA today for a free consultation. We’ll help you secure the right SBA financing, build realistic financial projections, and set your deal up for post-acquisition success — all at no cost to you.