The Best Companies for Summer Internships in 2026 (By Industry)
Last updated: March 2026
The best internship is not always at the most famous company. It is the one where you do meaningful work, receive genuine mentorship, and build skills that advance your career. That said, some companies consistently deliver exceptional internship experiences based on structure, compensation, conversion rates, and intern satisfaction. This list draws on Glassdoor's Best Internships rankings, Handshake student surveys, LinkedIn data, and industry-specific reputation to identify the top internship employers across five major industries.
For each company, we include what makes the internship strong AND how to apply, including whether cold email is a viable path.
Best Tech Internships
Large Tech
| Company | What Makes It Great | Intern Compensation (US) | Conversion Rate | How to Apply |
|---|---|---|---|---|
| Structured programme, strong mentorship, real product work | $8,500-10,000/month + housing | Over 80% | Online application (opens July-Aug) | |
| Microsoft | Explore programme for underclassmen, inclusive culture | $8,000-9,500/month + housing | Over 80% | Online application (opens Aug-Sep) |
| Apple | Deep technical work, secretive projects, exceptional pay | $9,000-11,000/month | High (undisclosed) | Online application (opens Aug-Sep) |
| Meta | Strong intern community, hackathons, real feature shipping | $8,000-10,000/month + housing | 70-85% | Online application (opens Aug) |
| Amazon | Scale of impact, leadership principles culture, diverse teams | $8,000-9,000/month + housing | 70-80% | Online application (opens July) |
How to get an edge: At FAANG, the formal application is the primary path. Referrals from current employees significantly increase your chances of getting past the resume screen. Our tech internship guide covers the full strategy.
Tech Startups and Scaleups (Best for Cold Email)
| Company Type | Examples | What Makes Them Great | How to Apply |
|---|---|---|---|
| Series A-B startups | Found via Crunchbase, Y Combinator directory | Real ownership, direct access to founders, fast learning | Cold email founder or CTO |
| Developer tools companies | Vercel, Supabase, Railway, Planetscale | Technical depth, open-source culture | Cold email + contribute to their open source |
| Fintech scaleups | Revolut, Monzo, Wise, Checkout.com | Finance + tech intersection, rapid growth | Mix of formal application and cold email |
| AI/ML companies | Companies in the current AI wave | Cutting-edge technology, high demand for interns | Cold email researchers or engineering leads |
Why startups are on this list: According to Ashby's Talent Trends Report, 30% of hires at the smallest startups come from direct outreach. A cold email to the right startup can land you a role with more responsibility than any FAANG internship. Our startup internship guide covers the full approach.
The best startup internships are never posted on job boards. Whali helps you discover growing tech companies, find the right contacts, and send personalized outreach that gets you in front of founders and CTOs. Start your free trial ->
Best Finance Internships
Investment Banking and Capital Markets
| Company | What Makes It Great | Intern Compensation (US/UK) | Conversion Rate | How to Apply |
|---|---|---|---|---|
| Goldman Sachs | Gold-standard training, unmatched brand | $85,000+ annualized / 50,000+ | Over 80% | Formal application (opens June-July) |
| JP Morgan | Largest programme, strong training, diverse teams | $85,000+ annualized | Over 80% | Formal application (opens June-July) |
| Morgan Stanley | Strong mentorship culture, smaller cohorts | $85,000+ annualized | 75-85% | Formal application (opens July) |
| Evercore | Elite boutique, smaller cohort, intense deal exposure | $85,000+ annualized | High | Formal application + heavy networking |
| Lazard | Restructuring and M&A focus, lean teams | $85,000+ annualized | High | Formal application + networking |
Finance (Best for Cold Email)
| Company Type | Examples | Why They Are Great | How to Apply |
|---|---|---|---|
| Mid-market banks | Jefferies, Houlihan Lokey, Baird, Lincoln International | Real deal work, less hierarchy | Mix of formal and cold email |
| Boutique advisory | Smaller M&A, restructuring, and valuation firms | Deep mentorship, high responsibility | Cold email analysts or associates |
| Venture capital | Tier 1 and emerging VC firms | Exposure to startups, investing, and deal sourcing | Almost entirely cold email |
| Hedge funds | Quantitative and fundamental strategies | Intellectually demanding, high compensation | Cold email portfolio managers or analysts |
According to IB Interview Questions, off-cycle roles at mid-market banks attract 50-200 applicants compared to thousands at bulge brackets. Our finance internship guide covers both paths.
Best Consulting Internships
Strategy Consulting
| Company | What Makes It Great | Intern Compensation | Conversion Rate | How to Apply |
|---|---|---|---|---|
| McKinsey | Most prestigious, global exposure, structured training | Over 80,000 annualized | Over 80% | Formal application (opens Aug-Sep) |
| BCG | Strong culture, emphasis on impact, good work-life balance for consulting | Over 80,000 annualized | Over 80% | Formal application (opens Aug-Sep) |
| Bain | Tight-knit culture, highest intern satisfaction among MBB | Over 80,000 annualized | Over 85% | Formal application (opens Aug-Sep) |
| Oliver Wyman | Strong financial services practice, slightly less competitive than MBB | Competitive | 70-80% | Formal application + networking |
Consulting (Best for Cold Email)
| Company Type | Why They Are Great | How to Apply |
|---|---|---|
| Boutique strategy firms | Same calibre of work as MBB with less competition and more responsibility | Cold email partners directly |
| Big 4 advisory (Deloitte S&O, EY-P, PwC Strategy, KPMG) | Broad exposure, structured programmes, good conversion | Formal application + cold email for specific teams |
| Niche consultancies (healthcare, sustainability, tech) | Deep sector expertise, growing demand | Cold email; most do not post internships formally |
Our consulting internship guide covers MBB preparation and boutique outreach strategies.
Best Marketing Internships
Agencies and Brands
| Company | Type | What Makes It Great | How to Apply |
|---|---|---|---|
| WPP agencies (Ogilvy, VMLY&R, GroupM) | Agency network | Iconic brands, creative excellence, structured programmes | Formal application |
| Publicis agencies (Saatchi, Leo Burnett, Starcom) | Agency network | Global clients, diverse disciplines | Formal application |
| Google Marketing | In-house | Scale of impact, data-driven marketing at the highest level | Online application |
| Unilever | In-house (FMCG) | World-class brand management training | Formal application (very competitive) |
| Nike | In-house | Iconic brand, creative culture, strong intern programme | Formal application |
Marketing (Best for Cold Email)
| Company Type | Why They Are Great | How to Apply |
|---|---|---|
| Independent creative agencies (under 50 people) | Real client work from day one, creative freedom | Cold email the managing director |
| Growth-stage startups with marketing needs | Ownership of channels, measurable impact | Cold email the head of marketing or founder |
| Content marketing agencies | Deep skill development in content, SEO, and strategy | Cold email; most do not have formal intern programmes |
| Social media agencies | Platform-specific expertise, fast-paced creative work | Cold email or apply via The Dots |
Your cold email to a marketing agency IS your first portfolio piece. Our marketing internship guide covers how to make it count.
The best marketing internships at independent agencies are found through direct outreach. Whali helps you identify the right agencies, research their client work, and craft outreach that demonstrates real marketing thinking. Try it free ->
Best Law Internships (UK Focus)
Vacation Schemes
| Firm | What Makes It Great | Weekly Pay | Conversion to TC | How to Apply |
|---|---|---|---|---|
| Clifford Chance | Global reach, diverse practice areas, structured training | Over 450/week | High | Formal application (opens Oct) |
| Freshfields | Strong disputes practice, international exposure | Over 450/week | High | Formal application (opens Oct) |
| Slaughter and May | No rotation system (choose your own path), intellectual rigour | Over 475/week | Very high | Formal application (opens Oct) |
| Linklaters | Innovation-focused, strong in capital markets | Over 450/week | High | Formal application (opens Oct) |
| Allen & Overy (now A&O Shearman) | Merger creating the largest global firm, strong training | Over 450/week | High | Formal application (opens Oct) |
Legal Work Experience (Best for Cold Email)
| Firm Type | Why It Is Valuable | How to Apply |
|---|---|---|
| Regional commercial firms | Real client exposure, strong mentorship | Cold email managing partner |
| Boutique specialist firms (IP, employment, family) | Deep expertise in one area | Cold email; rarely post formally |
| Barristers' chambers (mini-pupillages) | Essential for aspiring barristers | Apply to chambers or cold email clerks |
| In-house legal teams (corporates) | See how law works from the business side | Cold email general counsel |
| Legal tech companies | Growing sector at the intersection of law and technology | Cold email founder |
Our law internship guide covers vacation schemes, mini-pupillages, and direct outreach strategies.
How to Get Into These Companies
The Two-Path Strategy
For every industry, the optimal approach combines formal applications to the top-tier structured programmes with cold email outreach to smaller firms:
| Path | Target Companies | Method | Timeline |
|---|---|---|---|
| Formal applications | Top 10-20 companies in your industry | Online application + networking + interview prep | 6-12 months before |
| Cold email outreach | 50-100 smaller companies | Personalized direct outreach | 2-6 months before, or rolling |
The formal path gets you into the most famous companies. The cold email path gets you into the companies where you will learn the most and have the highest chance of being hired.
Our complete internship guide covers the full multi-channel strategy.
Beyond the "Best" Lists: Finding Your Best Fit
Rankings and lists are useful starting points, but the best internship for YOU might not be at any company on this page. The factors that determine internship quality are:
- Your direct supervisor: A great manager at an unknown company beats a bad manager at Goldman Sachs
- The specific project: What will you actually do for 10 weeks or 12 months?
- Your career trajectory: Does this internship open the doors you want opened?
- Cultural fit: Will you thrive in this environment?
Use this list as a starting point, then apply the evaluation framework from our choosing between offers guide to make the right decision for your specific situation.
The best internship opportunities are not always at the most famous companies. Whali helps you discover growing companies across every industry, research their teams, and reach out with personalized emails that open conversations at places you would never find on a job board. Start your free trial ->
FAQ
What are the highest-paying internships in 2026?
Tech (FAANG) and finance (bulge bracket IB) offer the highest intern compensation. Google, Apple, and Meta pay $8,000-11,000 per month plus housing stipends. Goldman Sachs, JP Morgan, and Morgan Stanley pay annualized rates above $85,000. However, compensation should not be the primary factor. An internship that builds transferable skills and leads to a strong full-time offer is more valuable long-term than a marginally higher paycheck.
Which companies have the highest intern-to-full-time conversion rates?
FAANG companies (Google, Microsoft, Apple) and MBB consulting firms (McKinsey, BCG, Bain) consistently convert over 80% of interns to full-time offers. Goldman Sachs and JP Morgan convert at similar rates for their summer analyst programmes. Startups have more variable conversion rates but often offer return positions to strong performers because the evaluation period is more direct and personal.
Should I prioritize a famous company or a role with more learning?
Prioritize learning and career trajectory over brand name, especially for your first internship. A deep, hands-on experience at a smaller company builds more skills and creates stronger interview stories than a passive experience at a prestigious firm. That said, if a famous company offers genuine project ownership AND brand recognition, it may be the stronger choice. Use the evaluation framework from our choosing between offers guide to decide.
How do I get an internship at a company not on this list?
Most companies not on "best of" lists hire interns informally through cold email and networking rather than structured programmes. Identify companies in your target industry using Crunchbase, LinkedIn, or Wellfound, research their teams and recent activity, and email the hiring manager directly with a personalized pitch. NACE research shows this approach makes students 2x more likely to secure internships compared to relying on job boards alone.
When should I apply to these companies?
Finance and consulting applications open 9-12 months before the internship (June-September). Tech opens 8-10 months before (July-September). Marketing and law open 6-9 months before (September-November). Startups and smaller companies hire on rolling timelines with as little as 2-4 weeks of lead time. Our application timeline guide has the complete schedule by industry.