Their area of expertise includes complementary products such as pension plans and insurance policies.

If you have similar customers, you can work together to sell complementary products or services.

Indirect network effects exist when complementary products or infrastructure are needed in order to use a good.

Although this may seem counterintuitive, the idea is to take advantage of complementary products.

Typically, these different firms don't sell the same but rather ancillary or complementary product.

It's also useful to focus on selling complementary products.

A better method is to study market trends and sales growth in complementary products.

But there's a lot of opportunity to do complementary products.

If the case forces companies to separate operations and not create complementary products, that is a negative for profitability.

Consider your offer - can you sell other complementary products to profitable customers?